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Boise County, Idaho

6B

Indicators

Population and growth

Source: Census Bureau.

MeasureBoise CountyIdahoData period
PopulationIdaho: 2,029,7332025 (estimate)8,5452,029,7332025 (estimate)
Population densityPeople per square mileIdaho: 24.62025 (estimate)4.524.62025 (estimate)
Population growth rateIdaho: 1.4%2025 (estimate)0.5%1.4%2025 (estimate)
Domestic migrationIdaho: 19,9152025 (estimate)5419,9152025 (estimate)
Decennial census populationIdaho: 1,839,10620207,6121,839,1062020
Population by race and Hispanic origin: White alone, not Hispanic or LatinoIdaho: 1,519,4242020–2024 (estimate)6,9071,519,4242020–2024 (estimate)
Median ageYearsIdaho: 37.32020–2024 (estimate)53.437.32020–2024 (estimate)

Housing and cost of living

MeasureBoise CountyIdahoData periodSource
Median home valueIdaho: $418,6002020–2024 (estimate) · Census Bureau$476,100$418,6002020–2024 (estimate)Census Bureau
Median home purchase mortgage amountIdaho: $385,0002025 · CFPB$455,000$385,0002025CFPB
Median gross rentIdaho: $1,2382020–2024 (estimate) · Census Bureau$850$1,2382020–2024 (estimate)Census Bureau
Renters paying 30%+ of income on rentIdaho: 46.9%2020–2024 (estimate) · Census Bureau29.7%46.9%2020–2024 (estimate)Census Bureau
Housing units authorized by building permitsIdaho: 17,9442025 (estimate) · Census Bureau10817,9442025 (estimate)Census Bureau
Subsidized housing units availableIdaho: 12,9422025 · HUD2112,9422025HUD

Jobs, wages and economy

MeasureBoise CountyIdahoData periodSource
Median household incomeIdaho: $77,8002020–2024 (estimate) · Census Bureau$78,774$77,8002020–2024 (estimate)Census Bureau
Unemployment rateIdaho: 3.7%2025 (estimate) · BLS4.2%3.7%2025 (estimate)BLS
Average annual wageIdaho: $62,3922025 · BLS$51,122$62,3922025BLS
Covered employmentIdaho: 874,2832025 · BLS1,831874,2832025BLS
Business establishmentsIdaho: 58,1002023 · Census Bureau20058,1002023Census Bureau
Poverty rateIdaho: 10.6%2020–2024 (estimate) · Census Bureau7.7%10.6%2020–2024 (estimate)Census Bureau

Taxes, spending and government

MeasureBoise CountyIdahoData periodSource
Average property tax rate by county: UrbanIdaho: 0.680%2025 · Idaho Tax Commission0.531%0.680%2025Idaho Tax Commission
Ballots castIdaho: 719,1392026 (preliminary) · Idaho SOS4,052719,1392026 (preliminary)Idaho SOS
Registered votersIdaho: 1,030,522September 2026 · Idaho SOS5,8591,030,522September 2026Idaho SOS

Education

Data period 2024. Source: Idaho SDE.

MeasureBoise CountyIdaho
Public school enrollment by countyIdaho: n/a703n/a

Healthcare

Source: Census Bureau.

MeasureBoise CountyIdahoData period
BirthsIdaho: 23,6952025 (estimate)4923,6952025 (estimate)
Uninsured rateIdaho: 9.1%2020–2024 (estimate)9.3%9.1%2020–2024 (estimate)

Crime and public safety

Data period 2025 (preliminary). Source: Idaho State Police.

MeasureBoise CountyIdaho
Group A offense ratePer 100,000 residentsIdaho: 3,1672,5663,167

Water

MeasureBoise CountyIdahoData periodSource
Drought Severity and Coverage IndexIndexIdaho: 222October 27, 2026 · NDMC107222October 27, 2026NDMC
Irrigated landAcresIdaho: 3,167,4992022 · USDA NASS1,5373,167,4992022USDA NASS
Total water withdrawalsAcre-feetIdaho: 19,868,1562015 (estimate) · USGS5,45519,868,1562015 (estimate)USGS
Livestock water withdrawalsAcre-feetIdaho: 61,4802022 (estimate) · USGS4661,4802022 (estimate)USGS
Industrial water withdrawalsAcre-feetIdaho: 14,2422020 (estimate) · USGS014,2422020 (estimate)USGS

Public lands, agriculture and wildfire

MeasureBoise CountyIdahoData periodSource
FarmsIdaho: 22,8772022 · USDA NASS10822,8772022USDA NASS
Land in farmsAcresIdaho: 11,547,9632022 · USDA NASS66,31111,547,9632022USDA NASS
Market value of agricultural products soldIdaho: $10,892,201,0002022 · USDA NASS$7,330,000$10,892,201,0002022USDA NASS
Barley productionBushelsIdaho: 60,000,0001993 (estimate) · USDA NASS33,90060,000,0001993 (estimate)USDA NASS
Wildfires by countyIdaho: 1,5192025 · NIFC541,5192025NIFC

Transportation and infrastructure

MeasureBoise CountyIdahoData periodSource
Traffic deathsIdaho: 2382024 · NHTSA32382024NHTSA
Mean travel time to workMinutesIdaho: 21.62020–2024 (estimate) · Census Bureau38.021.62020–2024 (estimate)Census Bureau
County-maintained road milesMilesIdaho: 28,0122018 · ITD284.828,0122018ITD

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
Boise County among Idaho’s 44 counties. Each county links to its page.

County facts

County seat
Idaho City
Metro area
Boise metro area
Established
Land area
1,899 sq mi, 4.5 per sq mi (2025)
Website
www.boisecounty.us

Source: Idaho SOS, Blue Book of Idaho, 2025-2026.

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

Population

Population, Boise County, 2010 to 2025Population, Boise County, 2010 to 2025. Boise County: 7,005 in 2010, 8,545 in 2025.05,00010k20102020PeoplePopulation, Boise County, 2010 to 2025Population, Boise County, 2010 to 2025. Boise County: 7,005 in 2010, 8,545 in 2025.05,00010k2010201520202025PeoplePopulation, Boise County, 2010 to 2025Population, Boise County, 2010 to 2025. Boise County: 7,005 in 2010, 8,545 in 2025.05,00010k2010201520202025People

Source: Census Bureau, Population Estimates Program.

Data table (16 rows)
PeriodBoise County (people)
20107,005
20116,986
20126,790
20136,720
20146,779
20156,963
20167,095
20177,347
20187,655
20197,831
20207,662
20218,146
20228,419
20238,536
20248,506
20258,545

Unemployment rate

Unemployment rate, Boise County, 1990 to 2025Unemployment rate, Boise County, 1990 to 2025. Boise County: 5.9% in 1990, 4.2% in 2025.0.0%5.0%10.0%15.0%20002020PercentUnemployment rate, Boise County, 1990 to 2025Unemployment rate, Boise County, 1990 to 2025. Boise County: 5.9% in 1990, 4.2% in 2025.0.0%5.0%10.0%15.0%1990200020102020PercentUnemployment rate, Boise County, 1990 to 2025Unemployment rate, Boise County, 1990 to 2025. Boise County: 5.9% in 1990, 4.2% in 2025.0.0%5.0%10.0%15.0%1990200020102020Percent

Source: BLS, Local Area Unemployment Statistics.

Data table (36 rows)
PeriodBoise County (percent)
19905.9%
19917.4%
19927.7%
19937.1%
19946.0%
19955.2%
19966.2%
19976.5%
19986.1%
19997.3%
20004.9%
20014.1%
20025.1%
20035.5%
20045.1%
20054.5%
20063.6%
20073.3%
20085.8%
20099.3%
201010.8%
201110.4%
20129.9%
20139.2%
20146.0%
20155.9%
20165.1%
20174.7%
20184.2%
20194.2%
20208.2%
20215.2%
20223.9%
20234.2%
20244.6%
20254.2%

Average annual wage

Average annual wage, Boise County, 2001 to 2025Average annual wage, Boise County, 2001 to 2025. Boise County: $19,679 in 2001, $51,122 in 2025.$0$20k$40k$60k20102020DollarsAverage annual wage, Boise County, 2001 to 2025Average annual wage, Boise County, 2001 to 2025. Boise County: $19,679 in 2001, $51,122 in 2025.$0$20k$40k$60k20102020DollarsAverage annual wage, Boise County, 2001 to 2025Average annual wage, Boise County, 2001 to 2025. Boise County: $19,679 in 2001, $51,122 in 2025.$0$20k$40k$60k20052010201520202025Dollars

Source: BLS, Quarterly Census of Employment and Wages, annual averages.

Data table (25 rows)
PeriodBoise County (dollars)
2001$19,679
2002$20,751
2003$20,951
2004$23,831
2005$23,867
2006$25,336
2007$24,309
2008$23,553
2009$21,781
2010$22,962
2011$23,411
2012$24,286
2013$24,502
2014$23,657
2015$24,938
2016$27,186
2017$27,819
2018$28,402
2019$28,049
2020$31,135
2021$32,752
2022$36,255
2023$37,460
2024$40,427
2025$51,122

In this county

PlaceWhat it is
Boise River near Twin SpringsUSGS river gage

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

County officials

OfficeNameParty
Commissioner, District 1Steven TwilegarR
Commissioner, District 2Clay TuckerR
Commissioner, District 3Darrel “Lindy” LindstromR
AssessorChris JuszczakR
ClerkMary PriscoR
CoronerPamela GarlockR
ProsecutorAdam StrongR
SheriffScott TurnerR
TreasurerGina TurnerR

Source: Idaho SOS, Blue Book of Idaho, 2025-2026.

Representation

Legislative district

DistrictSenatorRepresentative, Seat ARepresentative, Seat B
8Christy Zito (R)Robert “Rob” Beiswenger (R)Faye Thompson (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.

Source: Idaho Legislature, Senate and House membership.

Source: House Clerk, Member lists of the House and Senate.

This page was last updated .