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Lemhi County, Idaho

2L

Indicators

Population and growth

MeasureLemhi CountyIdahoData periodSource
PopulationPeopleIdaho: 2,029,7332025 (estimate) · Census Bureau8,4742,029,7332025 (estimate)Census Bureau
Population densityPeople per square mileIdaho: 24.62025 (estimate) · Census Bureau1.924.62025 (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 Bureau11919,9152025 (estimate)Census Bureau
Decennial census populationPeopleIdaho: 1,839,1062020 · Census Bureau7,9721,839,1062020Census Bureau
Population by race and Hispanic originPeopleIdaho: n/a2020–2024 (estimate) · Census Bureau7,544n/a2020–2024 (estimate)Census Bureau
Median ageYearsIdaho: 37.32020–2024 (estimate) · Census Bureau53.337.32020–2024 (estimate)Census Bureau

Housing and cost of living

MeasureLemhi CountyIdahoData periodSource
Median home valueDollarsIdaho: $418,6002020–2024 (estimate) · Census Bureau$326,100$418,6002020–2024 (estimate)Census Bureau
Median gross rentDollarsIdaho: $1,2382020–2024 (estimate) · Census Bureau$754$1,2382020–2024 (estimate)Census Bureau
Renters paying 30%+ of income on rentPercentIdaho: 46.9%2020–2024 (estimate) · Census Bureau56.8%46.9%2020–2024 (estimate)Census Bureau
Housing units authorized by building permitsCountIdaho: 17,9442025 (estimate) · Census Bureau4917,9442025 (estimate)Census Bureau
Subsidized housing units availableCountIdaho: 12,9422025 · HUD5112,9422025HUD

Jobs, wages and economy

MeasureLemhi CountyIdahoData periodSource
Median household incomeDollarsIdaho: $77,8002020–2024 (estimate) · Census Bureau$53,202$77,8002020–2024 (estimate)Census Bureau
Unemployment ratePercentIdaho: 3.7%2025 (estimate) · BLS4.2%3.7%2025 (estimate)BLS
Average annual wageDollarsIdaho: $62,3922025 · BLS$51,631$62,3922025BLS
Covered employmentPeopleIdaho: 874,2832025 · BLS2,789874,2832025BLS
Business establishmentsCountIdaho: 58,1002023 · Census Bureau30758,1002023Census Bureau
Poverty ratePercentIdaho: 10.6%2020–2024 (estimate) · Census Bureau12.8%10.6%2020–2024 (estimate)Census Bureau

Taxes, spending and government

MeasureLemhi CountyIdahoData periodSource
Average property tax rate by countyPercentIdaho: 0.68%2025 · Idaho Tax Commission0.71%0.68%2025Idaho Tax Commission
Ballots castCountIdaho: 917,4692024 · Idaho SOS4,926917,4692024Idaho SOS
Registered votersPeopleIdaho: 1,030,522September 2026 · Idaho SOS5,4521,030,522September 2026Idaho SOS

Education

MeasureLemhi CountyIdahoData periodSource
Public school enrollment by countyPeopleIdaho: n/a2024 · Idaho SDE905n/a2024Idaho SDE

Healthcare

MeasureLemhi CountyIdahoData periodSource
BirthsPeopleIdaho: 23,6952025 (estimate) · Census Bureau6823,6952025 (estimate)Census Bureau
Uninsured ratePercentIdaho: 9.1%2020–2024 (estimate) · Census Bureau6.1%9.1%2020–2024 (estimate)Census Bureau

Crime and public safety

MeasureLemhi CountyIdahoData periodSource
Group A offense ratePer 100,000 residentsIdaho: 3,166.522025 (preliminary) · Idaho State Police816.003,166.522025 (preliminary)Idaho State Police

Water

MeasureLemhi CountyIdahoData periodSource
Drought Severity and Coverage IndexIndexIdaho: 245October 6, 2026 · NDMC24245October 6, 2026NDMC
Irrigated landAcresIdaho: 3,167,4992022 · USDA NASS60,6723,167,4992022USDA NASS
Total water withdrawalsAcre-feetIdaho: 19,868,1562015 (estimate) · USGS106,33519,868,1562015 (estimate)USGS
Livestock water withdrawalsAcre-feetIdaho: 61,4802022 (estimate) · USGS36761,4802022 (estimate)USGS
Industrial water withdrawalsAcre-feetIdaho: 14,2422020 (estimate) · USGS014,2422020 (estimate)USGS

Public lands, agriculture and wildfire

MeasureLemhi CountyIdahoData periodSource
FarmsCountIdaho: 22,8772022 · USDA NASS30622,8772022USDA NASS
Land in farmsAcresIdaho: 11,547,9632022 · USDA NASS131,61611,547,9632022USDA NASS
Market value of agricultural products soldDollarsIdaho: $10,892,201,0002022 · USDA NASS$32,180,000$10,892,201,0002022USDA NASS
Potato productionHundredweight (cwt)Idaho: 123,180,0002003 (estimate) · USDA NASS115,000123,180,0002003 (estimate)USDA NASS
Barley productionBushelsIdaho: 54,000,0002012 (estimate) · USDA NASS42,00054,000,0002012 (estimate)USDA NASS
Wildfires by countyCountIdaho: 1,5192025 · NIFC351,5192025NIFC

Transportation and infrastructure

MeasureLemhi CountyIdahoData periodSource
Traffic deathsCountIdaho: 2382024 · NHTSA02382024NHTSA
Mean travel time to workMinutesIdaho: 21.62020–2024 (estimate) · Census Bureau15.521.62020–2024 (estimate)Census Bureau
County-maintained road milesMilesIdaho: 28,011.7512018 · ITD413.74328,011.7512018ITD

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

County facts

County seat
Salmon
Established
Land area
4,563.704 sq mi, 1.9 per sq mi (2025)
Website
lemhicountyidaho.org

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, Lemhi County, 2010 to 2025Population, Lemhi County, 2010 to 2025. Lemhi County: 7,953 in 2010, 8,474 in 2025.05,00010k20102020LemhiCountyPeoplePopulation, Lemhi County, 2010 to 2025Population, Lemhi County, 2010 to 2025. Lemhi County: 7,953 in 2010, 8,474 in 2025.05,00010k2010201520202025Lemhi CountyPeoplePopulation, Lemhi County, 2010 to 2025Population, Lemhi County, 2010 to 2025. Lemhi County: 7,953 in 2010, 8,474 in 2025.05,00010k2010201520202025Lemhi CountyPeople

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

Data table (16 rows)
PeriodLemhi County (people)
20107,953
20117,986
20127,768
20137,716
20147,724
20157,737
20167,709
20177,829
20187,932
20198,027
20207,955
20218,160
20228,285
20238,458
20248,408
20258,474

Unemployment rate

Unemployment rate, Lemhi County, 1990 to 2025Unemployment rate, Lemhi County, 1990 to 2025. Lemhi County: 7.9% in 1990, 4.2% in 2025.0.0%5.0%10.0%15.0%20002020LemhiCountyPercentUnemployment rate, Lemhi County, 1990 to 2025Unemployment rate, Lemhi County, 1990 to 2025. Lemhi County: 7.9% in 1990, 4.2% in 2025.0.0%5.0%10.0%15.0%1990200020102020Lemhi CountyPercentUnemployment rate, Lemhi County, 1990 to 2025Unemployment rate, Lemhi County, 1990 to 2025. Lemhi County: 7.9% in 1990, 4.2% in 2025.0.0%5.0%10.0%15.0%1990200020102020Lemhi CountyPercent

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

Data table (36 rows)
PeriodLemhi County (percent)
19907.9%
199111.4%
199210.8%
199310.6%
19948.2%
19957.3%
19968.5%
19979.4%
19988.8%
19997.7%
20008.0%
20017.5%
20027.7%
20037.6%
20047.1%
20055.9%
20065.1%
20074.5%
20086.7%
20099.3%
201010.4%
201110.4%
201210.2%
201310.5%
20147.2%
20156.6%
20166.3%
20175.4%
20184.7%
20194.9%
20207.2%
20215.6%
20224.2%
20234.2%
20244.4%
20254.2%

Average annual wage

Average annual wage, Lemhi County, 2001 to 2025Average annual wage, Lemhi County, 2001 to 2025. Lemhi County: $21,047 in 2001, $51,631 in 2025.$0$20k$40k$60k20102020LemhiCountyDollarsAverage annual wage, Lemhi County, 2001 to 2025Average annual wage, Lemhi County, 2001 to 2025. Lemhi County: $21,047 in 2001, $51,631 in 2025.$0$20k$40k$60k20102020Lemhi CountyDollarsAverage annual wage, Lemhi County, 2001 to 2025Average annual wage, Lemhi County, 2001 to 2025. Lemhi County: $21,047 in 2001, $51,631 in 2025.$0$20k$40k$60k20052010201520202025Lemhi CountyDollars

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

Data table (25 rows)
PeriodLemhi County (dollars)
2001$21,047
2002$21,420
2003$21,908
2004$22,488
2005$23,482
2006$24,517
2007$25,390
2008$26,681
2009$26,694
2010$27,573
2011$28,521
2012$29,973
2013$29,187
2014$30,589
2015$31,048
2016$31,959
2017$33,180
2018$34,549
2019$36,294
2020$38,842
2021$41,398
2022$45,810
2023$47,145
2024$49,342
2025$51,631

County officials

OfficeNameParty
Commissioner, District 1Rick CarlsonR
Commissioner, District 2Kim CaywoodR
Commissioner, District 3Lynn BowermanR
AssessorJenny RosinR
ClerkTeresa MortonR
CoronerMike ErnestR
ProsecutorChace SlavinR
SheriffJohn BennettR
TreasurerKammy McFarlandR

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

Representation

Legislative district

DistrictSenatorRepresentative, Seat ARepresentative, Seat B
31Van T. Burtenshaw (R)Jerald Raymond (R)Rod Furniss (R)

Congress

Congressional District 2
Michael K. Simpson (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 .