VORKING PAPER NO. 36
                COLUMBIA RIVER BASIN PROJECT
       For Water Supply and Water Quality Management
                PAYETTE RIVER BASIN (IDAHO)
             PRELIMINARY ECONOMIC RECONNAISSANCE
              AND ESTIMATE 07 GROWTH, 1960-2010
DATEt  November 23, 1962           DISTRIBUTION
Prepared by     RLC                Project Staff
Reviewed by	^             Cooperating Agencies

Approved by .,._._...                  General
     U. S,.DEPARTMENT OF HEALTH. EDUCATION AND WELFARE
                    Public Health Service
                         Region IX

       Division of Water Supply and Pollution Control
                   Room 570 Pittock Block
                     Portland 5, Oregon

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this working paper contains preliminary data and information
primarily intended tor internal use by the Columbia River
Basin Project staff and cooperating agencies.  The material
presented in this paper has not been fully evaluated and
should not be considered as final.

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        PAYSTT1 El
     PRELBilHMY 1
      AND ESTIMATE Qg CBOHgS, 1%®-2@1®
A.  Introductory                              i

    1.  Purpose of This Analysis              1
    2.  Definition of the Area                1
    3.  Study Period                          1
    4.  Limitations of This Analysis          1

B.  Present Economic Base                     1

    1.  Population                            1
    2.  Industry                              3
C.  Esticae©

    1.

C.  Future Population                        IS
Prepared by:  Bcoaomie §t«di@s 6r@tap

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                         PAYEKTE KLWS. MSI53
   PRELIMIHARY 1CC»MIC  SECONHAISSAHSg
A.  Introductory
    1.  Purpose of This Analysis
        This analysis  is  intended to provida a prelimiaagy sseisMifc® ©£ eta©
economic potentials and antieipfi£@d  geo^fe ©£ fefee 0mibj         
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study area.  The area's population demonstrated little numerical change over

the last two decades.  Population increased 5 percent between 1940 and 1950,

while the State of Idaho experienced an over-all population growth of 12.1

percent.  In the ten years 1950 to 1960, the study area's population rose

less than .4 percent, in contrast -to a 13.3 percent expansion in the state

as a whole.  Table I indicates the course of population in the four-county

area.

                              TABLE I -'

             Population Trends in The Payette River Basic

Area

Payette County
Gem County
Boise County
Valley County

Total Area

Idaho

        The

traced to the pattern of declining rural population that characterises the

entire Snake River basin.  With an above average concentration of rural

inhabitants, the four counties have, as a group9 dropped in population

relative to the state as a whole.  (Witts p@pwis£i©n deaaities ©£ ,9

per square mile and 1.0 persoaa ®®% s^cag'e mil© EeepeeSiwly ae Efe© if§9

census, Boise and Valley e@wa£l<3e as® €c©3ag £fe£ ^©paiatien
Change
1940 - 1960
30.0%
-4. 4£
»2§.9%
-9.2%
5.41
27. IX
im ehe s£wdy at?©a m^y fe©
          I/
in Idaho. — )  Such gr©^fe as £fe© tjegi©® feas e^§Ei®a<&£^i &S3 @@@©E'g>©J la
a/  U. S. Ceoeus of
I/  U. S. Census of
other hand, are among the D@?O desuoij; p@gmiat@4 areas9 «itih SO.7 aad  2,^04
persons per square mile.  The eKafeo average was 8.1 persons per square mile

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                                                                         C-3

Its towns, Fayette, New Plymouth, and Fruitland in Payette County, Emmett in

Gem County, Cascade and McCall in Valley County.  With the exception of

Cascade, these towns have exhibited consistent, moderate population growth

sufficient to maintain the population level of the area, as indicated in

Table II.
                                        a/
                               TABLE II "

                   Population Trends of Urban Places

Area                               Population                  Changes
                              1940     1950     1960         1940 - 1960
Payette: inhabitants         3,332    4,032    4,451            33.61
  as % area total             13.1     15..1     16.6

Fruitland:  inhabitants       —       573      804
  as % area total              —       2.1      3.0

New Plymouth:  inhabitants     804      942      940            16.91
  as % area total              3.1      3.5      3.5

Emmett:  inhabitants         3,203    3,067    3,769            17.6%
  as % area total             12.6     11.5     14.1

Cascade:  inhabitants        1,029      943      923           -10.31
  as % area total              4.0      3.5      3.4

McCall:  inhabitants           875    1,173    1,423            62.71
  as % area total              3.4      4.3      5.3

Total urban                  9,233   10,730   12,312            33.4%
  as % area total             36.4     40.0     45.9

Rural                       16,190   15,967   14,487           -11.7%
  as % area total             63.6     60.0     54.1

    2.  Industry

        The divergence in population densities between the two northern

counties, Boise and Valley, and the southern counties is carried through

to the economic activities of the two areas.  The southern counties, Gea

and Payette, possess considerably more varied and developed industrial

bases, as suggested by Table III, which indicates the distribution of
 a/  U.  S.  Census  of Population, 195^* i960.  The urban population of the
 state at April, 1960 amounted to 47, St of total population.

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employment in the area at April, 1960.

                             TABLE III -'

    Number of Persona Employed in Various Industry Groups. 1960
Industry Boise County

Agriculture
Forestry & fisheries
Mining
Construction
Manufacturing :
lumber & wood products
fabricated metal
machinery
other durable goods
food & kindred pdts .
printing & publishing
other non-durable
Transportation, commun-
ication, utilities
Wholesale trade
Food... s tores
Eating & drinking places
Other retail
Finance , ins . , real est .
No
64
18
12
150

80
m
-
9
-
-
OB

9
=
5
27
15
5
Business & repair service 10
Personal service
Hospitals
Education
Other professional serv.
Public administration
15
•=•
25
-
27
<
*
11
3
K/ 2
k/25
_ *
c/13
-
-
1
-
-
-

1
-

4
2
-
1
2
«,
4
«,
4
&
.0
.1
.0
.8

.2


.5
t



.5

.8
.6
.5
.8
.7
.5

o3

.6
Gem
No.
908
27
12
140

721
9
-
4
123
8
-

102
75
78
85
209
59
94
169
53
162
SI
64
County
<
26'


4

20



3



2
2
2
2
6
1
2
4
1
' 4
1
1
I
•
•
•
•

•
•
-
•
•
•
•

•
*
«
•
•
•
•
•
6
O
•
•

3
8
3
0

8
2

1
6
2


9
2
2
4
0
7
7
9
5
7
4
8
Payette C£y
No.
1,209
0
5
317

74
3
16
20
733
28
12

268
171
108
160
371
95
88
197
50
152
133
132
*
26.3
0
.1
6.9

1.6
.1
.3
.4
15.9
.6
.2

5.8
3.7
2.3
3.5
8.0
2.0
1.9
4.2
.1.1
3.3
a 3
o /  Census figures are in this
recurring circumstance Inflated
struction employment fluctuated b©6^©ea i sad €> p
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                                                                         c-s





        The principal economic support of Boise and Valley Counties is the



forest resources of Boise National Forest and Payette National Forest.  As



indicated by Table III, employment in lumbering may occupy over half of the



labor force of the two counties during peak periods.  The lumbering industry



of southern Idaho has grown significantly in the face of a slightly de-



clining state-wide level of lumbering employment and production.  In 1950



southern Idaho's lumbering employment amounted to 2,321, 19.2 percent of



the state total;  by 1960 it had risen to 2,828, 23.9 percent of total



lumbering employment, a rise of about 21.8 percent, in the face of a



two percent decline in total employment in Idaho forest products industries.—'



In 1956, the year of record employment and production in the Idaho lumber



industry, Boise County's nine.mills accounted for 13.2 percent of total



southern Idaho production;  Valley County, together with Idaho County, pro-



vided another 24 percent of southern Idaho sawmill output in ten mills.



Logging, largely on public lands, has been carried on for some years at a



sustained yield level, indicating near optimum utilization of the resource,



with little opportunity for expansion of basic lumber output.



        Agriculture is the second source of employment and income in Boise



and Valley Counties;  and the declining population of these areas may be



traced largely to reduced employment requirements resulting from more



efficient agricultural production.  Farm consolidation and increased atten-



tion to grazing has been followed by a decline in agricultural employment



from 1950 to 1960.  In Boise County agricultural employment dropped frosa
I/  Idaho Employment Security Agency

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158 to 64, in Valley County from 253 to 128.  The process of taking marginal

land out of production, increasing use of improved pastureland, and consoli-

dation of farms in the interest of maximum utilization of machinery seems

likely to continue.  Some of the tempo and breadth of the continuing  change

in agriculture in the two counties is suggested in Table IV.

                              TABLE IV £/

                   Trends in Agriculture. 1954 - 1959

        Boise County
                                   1954              1959             Change
Number of farms                     142   .            105             -38.4%
Land in farms (acres)           145,533           125,675             -13.6%
Land irrigated (acres)            4,142             4,324              4.4%
Cropland harvested (acres)        9,357             9,098              -2.7%
Value of crops sold            4114,042          $127,510              15.3%
Pasture (acres)                 133,509           110,000             -17.?%
Value  of livestock &          $486,816          $690,670              41.8%
  products sold

        Valley County

Dumber of farms                     206               162             -21.4%
Land in farms (acres)           114,968           124B072  .            7.9%
Land irrigated (acres)           32,313            26,821-'           -17   %
Cropland harvested (acres)       28,744            24,142             -16.0%
Value of crops sold          $2,351,951        $2,903,200              23.4%
Pasture (acres)                  74,801            90,715              21.2%
Value of livestock &         $3,469*641        $5,364,927              54.5%
  products sold
a/  U. S. Census of Agriculture,
b_/  The drop in irrigated land  Ira  1959 is BtmeA&t
.office of the Bureau of Reclamation i?ep©5rt@  that  in 1958  lesssdl
lands near Cascade Reservoir, £h©f£ sights feav© fe
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                                                                        C-7





        Payette and Gem Counties have more diverse economic structures,



resting on a variegated farming pattern, a vigorous food processing industry,



and lumbering.



        Agriculture is the main economic activity of the two counties,  and



supports their food processing industries.  The farm products of the area



include fruits--principally apples and plums—and vegetables--principally



corn--as well as the sugar beets, grain, hay and livestock found throughout



the Snake River basin.  The average size of farms is well under that of



Boise and Valley Counties—469 acres in 1959 in Gem County, 200 acres In



Payette County, as opposed to 1,197 acres and 766 acres.  Broader, use of



irrigation, prevalence of orchards and vegetable production, and superior



possibilities to supplement farm income with other employment has, apparently,



been responsible for keeping the pace of farm consolidation under that of



Boise and Valley Counties.  Where farm employment in the latter two counties



was halved between 1950 and 1960, it declined 32 percent,from 1,775 to 1,209



in Payette County, and 28 percent, from 1,261 to 908, in Gem County.  The



shifts in the agricultural economy of these southern counties have, in



general, been more moderate than those in the northern part of the study



area, as indicated in Table V.

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                                                                         C-8
                              TABLE V -'

                 Trends in Agriculture. 1954 - 1959

                 rt e  ci x

                                 1954              1959              Change
Number of Farms                 1,114               972              -12.5%
Land in farms (acres)         196,428           194,450               -1.0%
Land irrigated (acres)         56,403            57,091                1.2%
Cropland harvested (acres)     43,234            43,891                1.5%
Value of crops sold        $3,458,144        $4,311,858               24.7%
Pasture (acres)               138,828           137,729                -.7%
Value of livestock &
  products sold            $3,967,644        $4,603,346               15.9%
Number of  farms                   916               774              -15.5%
Land in farms (acres)         352,250           363,029                3.1%
Land irrigated (acres)         43,447            47,295                8.8%
Cropland harvested (acres)     37,073            40,675                9.7%
Value of crops sold        $2,685,643        $2,660,406                -.9%
Pasture (acres)               305,552           309,853                1.4%
Value of livestock & •
  products sold            $3,593,308        $5,240,357               45.8%


        Food processing stands second to agriculture as a source of employ-

ment in Gem and Payette Counties, and has grown considerably in past year*,

even though the region is not located to share in the proliferation of potato-

processing plants that has been a major source of industrial expansion in

southern Idaho.  Processing plants include Idaho Canning Company (canned

potatoes)  and Payette Vinegar Company in Payette, Fruitland Canning Company

(canned fruits), and Gem Canning Company (canned fruits and vegetables) in

Emmett.  Three meat-packing plants, one each .in Payette, Fruitland and Soaaefct

are operated largely to supply local markets,  Feed mills and seed warehouse

are also supported by the region's agricultural output.
a/  U.S. Census of Agriculture, 13.§9

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        Lumbering is the third major economic activity of the southern



counties.  Payette contains southern Idaho's only plywood mill, a veneer



plant, and two woodworking companies.  Emmett has two lumber mills, includ-



ing a huge unit of Boise Cascade Corporation that employe an average of 70®



persons, and a box factory.



        Other manufacturing activities are on a smell scale and generally



oriented to agriculture.  They include a soil conditioning service, a plant



fabricating concrete liners for irrigation ditches, a rendering plant, and



a leatherworking company.



        Service industries in the four-county area reflect the trend of



population, and the broader national trend which has resulted in an iaesea©'



ing portion of total employment and ia&saie being divergsd to 8©s?vie@®.



Helping to some extent to support the development of services is the fact



that Fayette is located on the major east-west highway I® southern Idaho, .



and the recreational attractions ©f £he two national f©pests in £fe@



both of which unquesfeiemfelf psmzMe s@@a teasiefc ®ssp©sidli6«sffG©»



        The trend of economic developsssiae isa the ar@a is gssggag£©d



figures in Table VI, which s?saiaaris©s aaj©s ehsagas i



years„

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Industry
Boise and Valley Counties
Agriculture
Mfg: forest products
Wholesale & retail trade
Professional & other services
Employment
1950 1960
411 192
370 586 y
297 254
354 410
                                                                         c-ia

                                TABLE VI SJ

              Significant Shifts in Employment.  1950  -  1960



                                                                       Change
                                                                -219  (-53.4%)
                                                                 216  ( 58.4%)
                                                                - 43  (-14.5%)
                                                                  56  ( 15.8%)

 Total                             1,432      1,442               10  (

         Gem and Payette Counties

                                                              •1,357  (-39.2%)
                                                                 279  ( 54.1%)
                                                                 668  (  355%)
                                                                 146  ( 13.1%)
                                                                 135  (  9.5%)

 Total                             6,656      6,527              -29  (  -.4%)


 C.  Estimated Future Growth

     1.  Factors Influencing Future Growth

         The affective forces shaping the future economic development of the

area should, to a very great ©xteatj, be the  sasss ones that pressafiiy d©£(gr®itss

its economic base.  Agriculture, exploitation of forest resources, and food

processing appear to be the main determinants in gauging the probable couarsa

of development for design purposes.  Population  growth and Baaaett's elosenes®

to the developing Boise-Nanpa-Galdwell usfeaa  esaspiex aey £@gwi£ its

emergence of other manufaettssris&g, fesisS i£ BsmM &&sm  i@gl@ai £© £©
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                                                                        C-ll





     Agriculture may be presumed to continue to be the chief economic support



of the area.  Further development of pasturelands may be expected, in



connection with additional feeding of cattle, as population expansion along



the Pacific Coast increases demand for meats.  The course of farm consoli-



dation may be expected to continue;  but the effect on farm employment may



be less extreme than during the last decade.  The increasing size of farms



implies a rise in farm hiring and cropping on shares;  and experience in



other areas indicates that as the transition proceeds from a basically rural



economy to one in which agricultural and commercial/industrial pursuits are



balanced, part-time farmers, subsidizing their land-holdings with other in-



come, become prevalent.  Irrigation, too, may be something of a support to



agricultural employment;  but its value in this area may be presumed to be



considerably less than in other parts of the Snake basin, due to a relative



scarcity of new lands to bring under cultivation.  Drawing from this combina-



tion of circumstances, it would appear logical to project a design in which



agricultural employment decreases 25 percent between 1960 and 1985 (as



compared to a loss of 41 percent between 1950 and I960), and remains stable



from 1985 to 2010 as the interaction between more expensive irrigation pro-



jects practical at later dates and a slowing of the rise in farm productivity



acts to stabilize agricultural employment.



     The rapid rise of lumbering eroploymsat should slow somewhat in the



future.  The fact that logging ia eeuthern Idaho is a£tt ©r a£»s9 8u»£aiffi»d



yield levels places a ceiling sn basic lumber output.  However9 it is logical



to expect the development of wood processing industries,  Fabricated wcod



products (moldings, pre-cut and £otft£@d construction components, furniture,



etc.) and chip-board seem likely to find markets as population increases,

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                                                                         C-12

and as Washington and Oregon producers approach maximum output.  Development

should be even throughout the study period, due to age composition of Idaho's

forest resources.  The U. S. Forestry Service has estimated that soon after

1985 first-growth timber in the state will largely have been exhausted, and

cutting will largely take place on second-growth lands.  Southern Idaho will

then have an advantage over the northern part of the state, and may be pre-

sumed to be able to further increase its portion of total Idaho lumbering

activity.  The trend toward concentration of production in fever and larger

mills  able to salvage chippable residues which are now largely shipped to
                                           .                     J
the middle west, the timber reserves of the area, and growth of demand,

should be sufficient to produce in southwest Idaho a pulp mill of 300 to 500

tons per day capacity before 1985.  The round-vood resources of the area

seem sufficient to support such a mill - Adaas, Valley, Washington,, Gem,

Canyon, Ada, Elmore, Boise, and Valley Counties produce roughly 70 percent

of southern Idaho's lumber - and waste disposal considerations restrict the

number of possible sites.  The ?ay3£t@-lBiEe£t region is ©a© v@fy iikoi^

location, and for the purposes of this analysis it is assraasd that a 3@@-toa

per day mill will be located at Esmaett.  This assumption is mairaly based ©a

the proximity of the wood resource.  Further examination of this site, or

adjacent sites, will be required to determine if such sites are

with water pollution control considogafciosia c  Swseh a ®£ll wmaM

to;employ 500 persons.  In addiei©®5 a ©GES p®yce®6 iaegcsas© i® ®£5a@i?

ing employment —well uM©^ 6to i.@ parecias rate ®spa?i@®esd feesa 3JS0 £@ i

is projected through th® stndj

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     Setting design rates  for  food-processing employment and output is a




somewhat more difficult task.  The  national trends to "convenience" foods




and shipping packaged foods from producing  to consuming areas at the expense




of processing in marketing areas resulted in particularly high growth in




food-processing activity in Idaho during the 1950's.   Maintenance of the




growth rate is unlikely, in view of the maturity of these trends.  On the




other hand, there is no reason to assume a  reversal,  as opposed to a slowing




of the trend.  In some fields, too,  the area seems to offer considerable




expectation of above average growth.  Thus  cattle feeding and s@a£^packimg,=




given the rising level of  Pacific Coast population, the fact that southern




Idaho is a forage-export area, and  the fact that much of Idaho's cattle




population is exported for slaughter - appeals capable of eoosiderafele




expansion.  Similarly, production of complete prepared meals, a field where




considerable growth is expected but which is not established in Idaho,




seams a potentially expansive  cirevssstaacaj, due e® eh© va5?iQ£y of esops




produced in the region.  Ie ^otald E©£ oeesa  Mias-eaeoasbi©, efeoia „  to aoswaa©




for design purposes that eraploysiesie in £©@d psocQsslrag




at a rate roughly equel to the anticipated  growth of taafcioisal popwlaeioa




about two percent -= uith  p?©chjie£ivi£y §aias offset by




process fcods near She as-eao ia ^sfaidh




     Service occupations) tesy bo, eupoeeoa f£e> fee
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in part to  the  decline in population and economic activity in Boise  and Valley



Counties.   On the assumption that these factors are fully reflected  in the



employment  situation of the area in 1960, one might expect the future  course



of service  employment  to adhere more closely to eh© experience of  other areas'.



It would seem logical  to assume for design purposes a rate of growth of bout



two percent in  service employment in the study area in future years.



approximates  the historical eat© natioaaily and, being sojasvjhaE under



population  growth rate provisionally assigned, (to the sr®&, it



considerable  catching  up in the ratio of service etaploymeae.



     Table  VII  summarizes •ausaeirieally £h@ oistlia©«S pEfctssra ©



development by  projecting an .etaployisienfc design for 1985 aed 2©i©o  X<£



on: (1) ' a  25 percent  drop in agricultural @raployment to 19S5, etable  agt?i



cultural employment  thereafter, (2) growth rates of one peressit Ita



is l^abering  aad wood  produces„ plwo ths addifei®a ©f a ptffllp ©ill.,



p®ffe@Bt in  crop pE'ocessitag autfi ia asi?wie@ iafiiasttffiesi, (3)



1960 relationship of employments im



       four major source® ©f ©saployssssie ia fife® aseas (4)



     t© 1960 eat© of gs©^7£fe i® elhs eaeagotfioD 2©SQ©£s>y9

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                                                                          C-15
 Industry
                                 TABLE VII
                  Design Pattern of Employment, 1950 - 2010
                                             Employment
1950
3,885
152^
683
886
-•-
198
117-'
.529
1,407
920
538
265
1960
2,309
172
531—'
l,38l£/
_-
856
113
478)
.1,511)
895)
744)
270)
1985
1,730
250
680
1,800
500
1,400
150


6,450


2010
1,730
370
1,020
2,340
500
2,300
200


10,650


Agriculture
Forestry,  fisheries,  mining
Construction .
Mfg.:   lumber & wood  products
        wood pulp
        food & kindred prdts.
        all other
Transportation, communication,
   utilities
Wholesale  & retail trade
financial  & other services -•
Professional services
Public administration

Total
 D.   Future Population

'    Based on the assumption that the region's employed labor force will con-

 tinue to consist of 34 .to 35 percent ©f £h® area's population,, the employment

 design outlined in the previous seefcloa suggests a 1985 population of sb©u£

 35,000,rising to about 52,000 in 2010,

     Although the relation of employed person® to total population used in this

 projection seems low, in view of th© 42 percent average for th© United States

 as  a whole, it rests oa definite social aiad eeonoaQic clhasac£©!ri©£ics ©f eh®

 area.  Employmsntp due isi Iss'gG pag"3 e© SuiG ag5?i©al£Bis'ai eyelo airdl
a/  Eliminates 177 la
County for purposes of
b_/  Based on
rather thaa
                                  i® psioaey
®aaia£Ge£w?£.ag to \7alisy
                                 eo olteiaafee

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                                                                           C-16


 circumstances of logging,  is highly  seasonal;  and this is not likely to

 change.  The number of women in the  labor force is somewhat below average;

 and though it may be expected  to rise  with rising service employment and

 urbanization, the economic design projected does not suggest rapid change.

 Idaho, as a state, has always  had one  of the nation's highest birth rates

and a history of out-migration.   The  result is a proportionately low percent-

 age of its population in the potential labor force.  The social circumstances

 resulting in high birth rates  do not seem subject to early modification,

 particularly since the economic base,  resting largely cm agriculture; should

 continue to enforce adult  out-migration.

     Location of population in  the future is difficult to gaage.  The trend

 to urbanization should continue in vi©sj ©f £fea still high ipg@p©rti©a of

 rural inhabitants.  The towns  of Payetts and Emmett should be the principal

 centers of population growth,  but in what measure they share added populations

 is subject to a variety of eos&oidesofeloES smets as plastft @sipfflnsioas i@e@£i©ffl

 of new plants, and devele^Esat ©f a  s
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                                                                           C-17
1960
4,451
3,769
4,090
1985
8,550
8,350
6,700
2010
16,200
13,55®
11,800
 after 1985, Payette may experience more pronounced population growth,  and



 is assigned 60 percent of the total expansion of the  two  cities.



                                TABLE VIII



                          Estimated Population






 Payette



 Emmett



 Other urban






 Total urban            12,310              .  23,600






 Rural                  14,489                10,870






 Total population       26,799                34S47<9






     To secure a distribution of projected population  for  each county,  th@



following procedures were employed:



     (1)  The towas of P&jeee© sad! EEES<£(£,, as iMieaeed is> Safeia ^£12 B



assigned to their respective counties.



     (2)  The portion of  'other wrbsm' populations in Table ¥111 assi



each county was the same as tteafi eo^aey's 196© possiora of  (5©£al '



population.



     (3)  The postioa ©£ 5?«Ka)L pisptalaeie© e-osigae-fi £©  ea



oasae as thae c©iaa£y°® pssfei©® ©S IS)®©



     The ?es«l£8 as© fgeseaSadl .te feiJ

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                                TABLE IX
                 Estimated Population Growth by Counties
                                                                         C-]


Payette County
Payetts
Other Urban
Rural
Gem County
Emmet t
Rural
Valley County
Urban
Rural

1960
12,363
4,451
1,744
6,168
9,123
3,769
5,354
3,663
2,346
1,317

1985
15,770
8,550
2,870
4,350
12,270
8,350
3,920
4,920
3,830
1,090
Annual Rate
1960-1985
1.9%
2.7%
1.9%
-
1.2%
3.2%
-
1.2%
1.6%.
-

2010
25,610
16,200
5,060
4,350
17,470
13,550
3,920
7,830
6,740
1,090
Annual Rate
1985-2010
2.2%
2.6%
2.2%
0
1.4%
1.9%
0
1.9%
2.3%
0
Boise County
  (all rural)

Area Tofcal
 1,646
1,510
26,799   34,47©

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