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Understand Idaho

Lewis County, Idaho

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

Indicators

MeasureLewis CountyIdahoData periodSource
PopulationPeopleIdaho: 2,029,7332025 (estimate) · Census Bureau3,7042,029,7332025 (estimate)Census Bureau
Population growth ratePercentIdaho: 1.4%2025 (estimate) · Census Bureau−0.2%1.4%2025 (estimate)Census Bureau
Domestic migrationPeopleIdaho: 19,9152025 (estimate) · Census Bureau2019,9152025 (estimate)Census Bureau
Decennial census populationPeopleIdaho: 1,839,1062020 · Census Bureau3,5331,839,1062020Census Bureau
Median ageYearsIdaho: 37.32020–2024 (estimate) · Census Bureau4937.32020–2024 (estimate)Census Bureau
Median household incomeDollarsIdaho: $77,8002020–2024 (estimate) · Census Bureau$51,615$77,8002020–2024 (estimate)Census Bureau
Unemployment ratePercentIdaho: 3.7%2025 (estimate) · BLS4.4%3.7%2025 (estimate)BLS
Average annual wageDollarsIdaho: $62,3922025 · BLS$44,584$62,3922025BLS
Covered employmentPeopleIdaho: 874,2832025 · BLS1,554874,2832025BLS
Business establishmentsCountIdaho: 58,1002023 · Census Bureau10958,1002023Census Bureau
Poverty ratePercentIdaho: 10.6%2020–2024 (estimate) · Census Bureau15.3%10.6%2020–2024 (estimate)Census Bureau
Median home valueDollarsIdaho: $418,6002020–2024 (estimate) · Census Bureau$225,300$418,6002020–2024 (estimate)Census Bureau
Median gross rentDollarsIdaho: $1,2382020–2024 (estimate) · Census Bureau$737$1,2382020–2024 (estimate)Census Bureau
Renters paying 30%+ of income on rentPercentIdaho: 46.9%2020–2024 (estimate) · Census Bureau30.5%46.9%2020–2024 (estimate)Census Bureau
Home value to income ratioRatioIdaho: n/a2020–2024 (estimate) · Census Bureau4.37n/a2020–2024 (estimate)Census Bureau
Homeownership ratePercentIdaho: 72.1%2020–2024 (estimate) · Census Bureau76.4%72.1%2020–2024 (estimate)Census Bureau
Housing unitsCountIdaho: 795,0142020–2024 (estimate) · Census Bureau1,826795,0142020–2024 (estimate)Census Bureau
Group A offense ratePer 100,000 residentsIdaho: 3,166.522025 (preliminary) · Idaho State Police1,2163,166.522025 (preliminary)Idaho State Police
Irrigated landAcresIdaho: 3,167,4992022 · USDA NASS3793,167,4992022USDA NASS
Total water withdrawalsAcre-feetIdaho: 19,868,1562015 (estimate) · USGS53,75619,868,1562015 (estimate)USGS
Irrigation water withdrawalsAcre-feetIdaho: 17,130,2592015 (estimate) · USGS52,84817,130,2592015 (estimate)USGS
Livestock water withdrawalsAcre-feetIdaho: 61,4802022 (estimate) · USGS6561,4802022 (estimate)USGS
Industrial water withdrawalsAcre-feetIdaho: 14,2422020 (estimate) · USGS5314,2422020 (estimate)USGS
FarmsCountIdaho: 22,8772022 · USDA NASS21922,8772022USDA NASS
Land in farmsAcresIdaho: 11,547,9632022 · USDA NASS249,01511,547,9632022USDA NASS
Market value of agricultural products soldDollarsIdaho: $10,892,201,0002022 · USDA NASS$76,489,000$10,892,201,0002022USDA NASS
BirthsPeopleIdaho: 23,6952025 (estimate) · Census Bureau3123,6952025 (estimate)Census Bureau
Population 65 and olderPercentIdaho: 17.0%2020–2024 (estimate) · Census Bureau28.3%17.0%2020–2024 (estimate)Census Bureau
Housing vacancy ratePercentIdaho: 10.3%2020–2024 (estimate) · Census Bureau13.8%10.3%2020–2024 (estimate)Census Bureau
Traffic deathsCountIdaho: 2382024 · NHTSA12382024NHTSA
Uninsured ratePercentIdaho: 9.1%2020–2024 (estimate) · Census Bureau11.1%9.1%2020–2024 (estimate)Census Bureau

Population

Population, Lewis County, 2010 to 2025Population, Lewis County, 2010 to 2025. Lewis County: 3,820 in 2010, 3,704 in 2025.01,0002,0003,0004,00020102020LewisCountyPeoplePopulation, Lewis County, 2010 to 2025Population, Lewis County, 2010 to 2025. Lewis County: 3,820 in 2010, 3,704 in 2025.01,0002,0003,0004,0002010201520202025Lewis CountyPeoplePopulation, Lewis County, 2010 to 2025Population, Lewis County, 2010 to 2025. Lewis County: 3,820 in 2010, 3,704 in 2025.01,0002,0003,0004,0002010201520202025Lewis CountyPeople

Source: U.S. Census Bureau, Population Estimates Program, Vintage 2025 (with Vintage 2019 for 2010-2019). Published .

Data table (16 rows)
PeriodLewis County (people)
20103,820
20113,806
20123,820
20133,805
20143,813
20153,791
20163,846
20173,884
20183,832
20193,838
20203,534
20213,704
20223,741
20233,743
20243,713
20253,704

Unemployment rate

Unemployment rate, Lewis County, 1990 to 2025Unemployment rate, Lewis County, 1990 to 2025. Lewis County: 7.8% in 1990, 4.4% in 2025.0.0%5.0%10.0%20002020LewisCountyPercentUnemployment rate, Lewis County, 1990 to 2025Unemployment rate, Lewis County, 1990 to 2025. Lewis County: 7.8% in 1990, 4.4% in 2025.0.0%5.0%10.0%1990200020102020Lewis CountyPercentUnemployment rate, Lewis County, 1990 to 2025Unemployment rate, Lewis County, 1990 to 2025. Lewis County: 7.8% in 1990, 4.4% in 2025.0.0%5.0%10.0%1990200020102020Lewis CountyPercent

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

Data table (36 rows)
PeriodLewis County (percent)
19907.8%
19917.2%
19926.6%
19938.3%
19946.7%
19957.1%
19967.3%
19977.5%
19987.8%
19996.5%
20006.5%
20017.2%
20026.3%
20034.4%
20043.9%
20053.5%
20062.7%
20072.6%
20083.8%
20096.3%
20106.8%
20116.3%
20125.7%
20135.7%
20144.1%
20155.4%
20166.6%
20176.1%
20185.7%
20195.6%
20208.7%
20216.2%
20224.5%
20233.9%
20244.3%
20254.4%

Average annual wage

Average annual wage, Lewis County, 2001 to 2025Average annual wage, Lewis County, 2001 to 2025. Lewis County: $19,642 in 2001, $44,584 in 2025.$0$20k$40k$60k20102020LewisCountyDollarsAverage annual wage, Lewis County, 2001 to 2025Average annual wage, Lewis County, 2001 to 2025. Lewis County: $19,642 in 2001, $44,584 in 2025.$0$20k$40k$60k20102020Lewis CountyDollarsAverage annual wage, Lewis County, 2001 to 2025Average annual wage, Lewis County, 2001 to 2025. Lewis County: $19,642 in 2001, $44,584 in 2025.$0$20k$40k$60k20052010201520202025Lewis CountyDollars

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

Data table (25 rows)
PeriodLewis County (dollars)
2001$19,642
2002$20,211
2003$20,470
2004$21,084
2005$22,939
2006$23,300
2007$23,694
2008$24,298
2009$24,462
2010$25,287
2011$26,486
2012$27,262
2013$28,614
2014$29,821
2015$30,194
2016$30,768
2017$31,481
2018$31,954
2019$32,871
2020$34,871
2021$36,442
2022$38,351
2023$41,283
2024$43,504
2025$44,584

This page was last updated .