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Washington County, Idaho

W

Indicators

Population and growth

MeasureWashington CountyIdahoData periodSource
PopulationPeopleIdaho: 2,029,7332025 (estimate) · Census Bureau11,5832,029,7332025 (estimate)Census Bureau
Population densityPeople per square mileIdaho: 24.62025 (estimate) · Census Bureau8.024.62025 (estimate)Census Bureau
Population growth ratePercentIdaho: 1.4%2025 (estimate) · Census Bureau0.8%1.4%2025 (estimate)Census Bureau
Domestic migrationPeopleIdaho: 19,9152025 (estimate) · Census Bureau13519,9152025 (estimate)Census Bureau
Decennial census populationPeopleIdaho: 1,839,1062020 · Census Bureau10,4961,839,1062020Census Bureau
Population by race and Hispanic originPeopleIdaho: n/a2020–2024 (estimate) · Census Bureau8,648n/a2020–2024 (estimate)Census Bureau
Median ageYearsIdaho: 37.32020–2024 (estimate) · Census Bureau45.037.32020–2024 (estimate)Census Bureau

Housing and cost of living

MeasureWashington CountyIdahoData periodSource
Median home valueDollarsIdaho: $418,6002020–2024 (estimate) · Census Bureau$278,100$418,6002020–2024 (estimate)Census Bureau
Median gross rentDollarsIdaho: $1,2382020–2024 (estimate) · Census Bureau$938$1,2382020–2024 (estimate)Census Bureau
Renters paying 30%+ of income on rentPercentIdaho: 46.9%2020–2024 (estimate) · Census Bureau48.3%46.9%2020–2024 (estimate)Census Bureau
Housing units authorized by building permitsCountIdaho: 17,9442025 (estimate) · Census Bureau6917,9442025 (estimate)Census Bureau
Subsidized housing units availableCountIdaho: 12,9422025 · HUD7412,9422025HUD

Jobs, wages and economy

MeasureWashington CountyIdahoData periodSource
Median household incomeDollarsIdaho: $77,8002020–2024 (estimate) · Census Bureau$54,000$77,8002020–2024 (estimate)Census Bureau
Unemployment ratePercentIdaho: 3.7%2025 (estimate) · BLS4.6%3.7%2025 (estimate)BLS
Average annual wageDollarsIdaho: $62,3922025 · BLS$44,545$62,3922025BLS
Covered employmentPeopleIdaho: 874,2832025 · BLS2,928874,2832025BLS
Business establishmentsCountIdaho: 58,1002023 · Census Bureau22258,1002023Census Bureau
Poverty ratePercentIdaho: 10.6%2020–2024 (estimate) · Census Bureau15.3%10.6%2020–2024 (estimate)Census Bureau

Taxes, spending and government

MeasureWashington CountyIdahoData periodSource
Average property tax rate by countyPercentIdaho: 0.680%2025 · Idaho Tax Commission1.092%0.680%2025Idaho Tax Commission
Ballots castCountIdaho: 917,4692024 · Idaho SOS5,617917,4692024Idaho SOS
Registered votersPeopleIdaho: 1,030,522September 2026 · Idaho SOS6,2951,030,522September 2026Idaho SOS

Education

MeasureWashington CountyIdahoData periodSource
Public school enrollment by countyPeopleIdaho: n/a2024 · Idaho SDE1,773n/a2024Idaho SDE

Healthcare

MeasureWashington CountyIdahoData periodSource
BirthsPeopleIdaho: 23,6952025 (estimate) · Census Bureau9123,6952025 (estimate)Census Bureau
Uninsured ratePercentIdaho: 9.1%2020–2024 (estimate) · Census Bureau9.0%9.1%2020–2024 (estimate)Census Bureau

Crime and public safety

MeasureWashington CountyIdahoData periodSource
Group A offense ratePer 100,000 residentsIdaho: 3,166.522025 (preliminary) · Idaho State Police1,398.003,166.522025 (preliminary)Idaho State Police

Water

MeasureWashington CountyIdahoData periodSource
Drought Severity and Coverage IndexIndexIdaho: 245October 6, 2026 · NDMC259245October 6, 2026NDMC
Irrigated landAcresIdaho: 3,167,4992022 · USDA NASS51,0523,167,4992022USDA NASS
Total water withdrawalsAcre-feetIdaho: 19,868,1562015 (estimate) · USGS466,97619,868,1562015 (estimate)USGS
Livestock water withdrawalsAcre-feetIdaho: 61,4802022 (estimate) · USGS42161,4802022 (estimate)USGS
Industrial water withdrawalsAcre-feetIdaho: 14,2422020 (estimate) · USGS10914,2422020 (estimate)USGS

Public lands, agriculture and wildfire

MeasureWashington CountyIdahoData periodSource
FarmsCountIdaho: 22,8772022 · USDA NASS49522,8772022USDA NASS
Land in farmsAcresIdaho: 11,547,9632022 · USDA NASS428,57911,547,9632022USDA NASS
Market value of agricultural products soldDollarsIdaho: $10,892,201,0002022 · USDA NASS$61,610,000$10,892,201,0002022USDA NASS
Potato productionHundredweight (cwt)Idaho: 133,385,0002002 (estimate) · USDA NASS242,000133,385,0002002 (estimate)USDA NASS
Barley productionBushelsIdaho: 59,940,0002022 (estimate) · USDA NASS51,00059,940,0002022 (estimate)USDA NASS
Wildfires by countyCountIdaho: 1,5192025 · NIFC71,5192025NIFC

Transportation and infrastructure

MeasureWashington CountyIdahoData periodSource
Traffic deathsCountIdaho: 2382024 · NHTSA22382024NHTSA
Mean travel time to workMinutesIdaho: 21.62020–2024 (estimate) · Census Bureau18.621.62020–2024 (estimate)Census Bureau
County-maintained road milesMilesIdaho: 28,011.7512018 · ITD554.49628,011.7512018ITD

Compare every Idaho county side by side

Ada CountyAdams CountyBannock CountyBear Lake CountyBenewah CountyBingham CountyBlaine CountyBoise CountyBonner CountyBonneville CountyBoundary CountyButte CountyCamas CountyCanyon CountyCaribou CountyCassia CountyClark CountyClearwater CountyCuster CountyElmore CountyFranklin CountyFremont CountyGem CountyGooding CountyIdaho CountyJefferson CountyJerome CountyKootenai CountyLatah CountyLemhi CountyLewis CountyLincoln CountyMadison CountyMinidoka CountyNez Perce CountyOneida CountyOwyhee CountyPayette CountyPower CountyShoshone CountyTeton CountyTwin Falls CountyValley CountyWashington County
Washington County among Idaho’s 44 counties. Each county links to its page.

County facts

County seat
Weiser
Established
Land area
1,452.855 sq mi, 8 per sq mi (2025)
Website
co.washington.id.us

Source: Idaho Secretary of State, Blue Book of Idaho, 2025-2026.

Source: U.S. Census Bureau, Gazetteer Files, 2025 and 2026 (counties and states). Published .

Population

Population, Washington County, 2010 to 2025Population, Washington County, 2010 to 2025. Washington County: 10,177 in 2010, 11,583 in 2025.05,00010k15k20102020WashingtonCountyPeoplePopulation, Washington County, 2010 to 2025Population, Washington County, 2010 to 2025. Washington County: 10,177 in 2010, 11,583 in 2025.05,00010k15k2010201520202025WashingtonCountyPeoplePopulation, Washington County, 2010 to 2025Population, Washington County, 2010 to 2025. Washington County: 10,177 in 2010, 11,583 in 2025.05,00010k15k2010201520202025WashingtonCountyPeople

Source: U.S. Census Bureau, Population Estimates Program. Published .

Data table (16 rows)
PeriodWashington County (people)
201010,177
201110,136
201210,030
20139,916
20149,955
20159,891
201610,032
201710,051
201810,115
201910,194
202010,556
202110,902
202211,178
202311,497
202411,492
202511,583

Unemployment rate

Unemployment rate, Washington County, 1990 to 2025Unemployment rate, Washington County, 1990 to 2025. Washington County: 9.8% in 1990, 4.6% in 2025.0.0%5.0%10.0%15.0%20002020WashingtonCountyPercentUnemployment rate, Washington County, 1990 to 2025Unemployment rate, Washington County, 1990 to 2025. Washington County: 9.8% in 1990, 4.6% in 2025.0.0%5.0%10.0%15.0%1990200020102020WashingtonCountyPercentUnemployment rate, Washington County, 1990 to 2025Unemployment rate, Washington County, 1990 to 2025. Washington County: 9.8% in 1990, 4.6% in 2025.0.0%5.0%10.0%15.0%1990200020102020WashingtonCountyPercent

Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics. Published .

Data table (36 rows)
PeriodWashington County (percent)
19909.8%
199113.6%
199210.3%
19938.9%
19949.5%
19958.9%
19968.3%
19978.0%
19987.7%
19998.1%
20006.7%
20016.6%
20027.1%
20038.0%
20046.8%
20055.3%
20064.4%
20074.1%
20085.7%
200910.2%
201010.6%
20119.9%
20128.8%
20138.3%
20146.1%
20155.4%
20165.5%
20174.7%
20184.2%
20194.2%
20206.0%
20214.7%
20223.9%
20234.4%
20244.6%
20254.6%

Average annual wage

Average annual wage, Washington County, 2001 to 2025Average annual wage, Washington County, 2001 to 2025. Washington County: $19,402 in 2001, $44,545 in 2025.$0$20k$40k$60k20102020WashingtonCountyDollarsAverage annual wage, Washington County, 2001 to 2025Average annual wage, Washington County, 2001 to 2025. Washington County: $19,402 in 2001, $44,545 in 2025.$0$20k$40k$60k20102020WashingtonCountyDollarsAverage annual wage, Washington County, 2001 to 2025Average annual wage, Washington County, 2001 to 2025. Washington County: $19,402 in 2001, $44,545 in 2025.$0$20k$40k$60k20052010201520202025WashingtonCountyDollars

Source: U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages, annual averages. Published .

Data table (25 rows)
PeriodWashington County (dollars)
2001$19,402
2002$20,204
2003$20,668
2004$22,006
2005$23,537
2006$24,112
2007$24,913
2008$25,553
2009$25,534
2010$25,916
2011$25,911
2012$27,130
2013$28,202
2014$28,471
2015$29,262
2016$29,981
2017$32,010
2018$33,510
2019$33,513
2020$34,734
2021$37,121
2022$40,963
2023$41,335
2024$42,467
2025$44,545

In this county

PlaceWhat it is
Snake River at WeiserUSGS river gage

A gage sits in the county the U.S. Geological Survey assigns it.

County officials

OfficeNameParty
Commissioner, District 1Lyndon HainesR
Commissioner, District 2Nathan “Nate” MarvinR
Commissioner, District 3Gordon WilkersonR
AssessorDebbie Moxley-PotterR
ClerkDonna WhiteR
CoronerGary JensenR
ProsecutorDelton WalkerR
SheriffMatt ThomasR
TreasurerSabrina YoungR

Source: Idaho Secretary of State, Blue Book of Idaho, 2025-2026.

Representation

Legislative district

DistrictSenatorRepresentative, Seat ARepresentative, Seat B
9Brandon Shippy (R)John Shirts (R)Judy Boyle (R)

Congress

Congressional District 1
Russ Fulcher (R)
U.S. Senate
James E. Risch (R); Mike Crapo (R)

Source: Idaho Legislature, Reapportionment plans L03 and C03, 2021. Published .

Source: Idaho Legislature, Senate and House membership.

Source: Clerk of the U.S. House of Representatives, Member lists of the House and Senate. Published .

This page was last updated .