Skip to content
Understand IdahoSearch

Franklin County, Idaho

1F

Indicators

Population and growth

Source: Census Bureau.

MeasureFranklin CountyIdahoData period
PopulationIdaho: 2,029,7332025 (estimate)15,8892,029,7332025 (estimate)
Population densityPeople per square mileIdaho: 24.62025 (estimate)24.024.62025 (estimate)
Population growth rateIdaho: 1.4%2025 (estimate)1.4%1.4%2025 (estimate)
Domestic migrationIdaho: 19,9152025 (estimate)14919,9152025 (estimate)
Decennial census populationIdaho: 1,839,106202014,1961,839,1062020
Population by race and Hispanic origin: White alone, not Hispanic or LatinoIdaho: 1,519,4242020–2024 (estimate)13,4541,519,4242020–2024 (estimate)
Median ageYearsIdaho: 37.32020–2024 (estimate)33.337.32020–2024 (estimate)

Housing and cost of living

MeasureFranklin CountyIdahoData periodSource
Median home valueIdaho: $418,6002020–2024 (estimate) · Census Bureau$372,600$418,6002020–2024 (estimate)Census Bureau
Median home purchase mortgage amountIdaho: $385,0002025 · CFPB$355,000$385,0002025CFPB
Median gross rentIdaho: $1,2382020–2024 (estimate) · Census Bureau$894$1,2382020–2024 (estimate)Census Bureau
Renters paying 30%+ of income on rentIdaho: 46.9%2020–2024 (estimate) · Census Bureau36.3%46.9%2020–2024 (estimate)Census Bureau
Housing units authorized by building permitsIdaho: 17,9442025 (estimate) · Census Bureau6417,9442025 (estimate)Census Bureau
Subsidized housing units availableIdaho: 12,9422025 · HUD2912,9422025HUD

Jobs, wages and economy

MeasureFranklin CountyIdahoData periodSource
Median household incomeIdaho: $77,8002020–2024 (estimate) · Census Bureau$71,950$77,8002020–2024 (estimate)Census Bureau
Unemployment rateIdaho: 3.7%2025 (estimate) · BLS3.2%3.7%2025 (estimate)BLS
Average annual wageIdaho: $62,3922025 · BLS$47,366$62,3922025BLS
Covered employmentIdaho: 874,2832025 · BLS4,167874,2832025BLS
Business establishmentsIdaho: 58,1002023 · Census Bureau37258,1002023Census Bureau
Poverty rateIdaho: 10.6%2020–2024 (estimate) · Census Bureau7.9%10.6%2020–2024 (estimate)Census Bureau

Taxes, spending and government

MeasureFranklin CountyIdahoData periodSource
Average property tax rate by county: UrbanIdaho: 0.680%2025 · Idaho Tax Commission0.649%0.680%2025Idaho Tax Commission
Ballots castIdaho: 719,1392026 (preliminary) · Idaho SOS4,806719,1392026 (preliminary)Idaho SOS
Registered votersIdaho: 1,030,522September 2026 · Idaho SOS7,8481,030,522September 2026Idaho SOS

Education

Data period 2024. Source: Idaho SDE.

MeasureFranklin CountyIdaho
Public school enrollment by countyIdaho: n/a3,157n/a

Healthcare

Source: Census Bureau.

MeasureFranklin CountyIdahoData period
BirthsIdaho: 23,6952025 (estimate)20023,6952025 (estimate)
Uninsured rateIdaho: 9.1%2020–2024 (estimate)8.4%9.1%2020–2024 (estimate)

Crime and public safety

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

MeasureFranklin CountyIdaho
Group A offense ratePer 100,000 residentsIdaho: 3,1671,0633,167

Water

MeasureFranklin CountyIdahoData periodSource
Drought Severity and Coverage IndexIndexIdaho: 222October 27, 2026 · NDMC287222October 27, 2026NDMC
Irrigated landAcresIdaho: 3,167,4992022 · USDA NASS50,8933,167,4992022USDA NASS
Total water withdrawalsAcre-feetIdaho: 19,868,1562015 (estimate) · USGS358,07619,868,1562015 (estimate)USGS
Livestock water withdrawalsAcre-feetIdaho: 61,4802022 (estimate) · USGS97361,4802022 (estimate)USGS
Industrial water withdrawalsAcre-feetIdaho: 14,2422020 (estimate) · USGS714,2422020 (estimate)USGS

Public lands, agriculture and wildfire

MeasureFranklin CountyIdahoData periodSource
FarmsIdaho: 22,8772022 · USDA NASS72722,8772022USDA NASS
Land in farmsAcresIdaho: 11,547,9632022 · USDA NASS276,07311,547,9632022USDA NASS
Market value of agricultural products soldIdaho: $10,892,201,0002022 · USDA NASS$131,820,000$10,892,201,0002022USDA NASS
Potato productionHundredweight (cwt)Idaho: 123,180,0002003 (estimate) · USDA NASS155,000123,180,0002003 (estimate)USDA NASS
Barley productionBushelsIdaho: 54,880,0002025 (estimate) · USDA NASS243,00054,880,0002025 (estimate)USDA NASS
Wildfires by countyIdaho: 1,5192025 · NIFC31,5192025NIFC

Transportation and infrastructure

MeasureFranklin CountyIdahoData periodSource
Traffic deathsIdaho: 2382024 · NHTSA52382024NHTSA
Mean travel time to workMinutesIdaho: 21.62020–2024 (estimate) · Census Bureau24.921.62020–2024 (estimate)Census Bureau
County-maintained road milesMilesIdaho: 28,0122018 · ITD409.328,0122018ITD

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

County facts

County seat
Preston
Metro area
Logan metro area
Established
Land area
663 sq mi, 24 per sq mi (2025)
Website
www.franklincountyidaho.org

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

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

Population

Population, Franklin County, 2010 to 2025Population, Franklin County, 2010 to 2025. Franklin County: 12,781 in 2010, 15,889 in 2025.05,00010k15k20k20102020PeoplePopulation, Franklin County, 2010 to 2025Population, Franklin County, 2010 to 2025. Franklin County: 12,781 in 2010, 15,889 in 2025.05,00010k15k20k2010201520202025PeoplePopulation, Franklin County, 2010 to 2025Population, Franklin County, 2010 to 2025. Franklin County: 12,781 in 2010, 15,889 in 2025.05,00010k15k20k2010201520202025People

Source: Census Bureau, Population Estimates Program.

Data table (16 rows)
PeriodFranklin County (people)
201012,781
201112,810
201212,798
201312,802
201412,910
201512,955
201613,320
201713,467
201813,704
201913,876
202014,284
202114,675
202215,179
202315,533
202415,662
202515,889

Unemployment rate

Unemployment rate, Franklin County, 1990 to 2025Unemployment rate, Franklin County, 1990 to 2025. Franklin County: 3.4% in 1990, 3.2% in 2025.0.0%2.0%4.0%6.0%20002020PercentUnemployment rate, Franklin County, 1990 to 2025Unemployment rate, Franklin County, 1990 to 2025. Franklin County: 3.4% in 1990, 3.2% in 2025.0.0%2.0%4.0%6.0%1990200020102020PercentUnemployment rate, Franklin County, 1990 to 2025Unemployment rate, Franklin County, 1990 to 2025. Franklin County: 3.4% in 1990, 3.2% in 2025.0.0%2.0%4.0%6.0%1990200020102020Percent

Source: BLS, Local Area Unemployment Statistics.

Data table (36 rows)
PeriodFranklin County (percent)
19903.4%
19913.5%
19923.6%
19933.4%
19943.4%
19954.3%
19964.6%
19974.1%
19983.6%
19993.4%
20003.2%
20013.9%
20024.6%
20034.3%
20044.0%
20053.2%
20062.4%
20072.1%
20083.3%
20095.7%
20105.3%
20115.5%
20124.8%
20134.7%
20143.1%
20152.9%
20162.9%
20172.2%
20182.1%
20192.2%
20203.7%
20212.6%
20222.5%
20232.7%
20243.1%
20253.2%

Average annual wage

Average annual wage, Franklin County, 2001 to 2025Average annual wage, Franklin County, 2001 to 2025. Franklin County: $19,488 in 2001, $47,366 in 2025.$0$20k$40k$60k20102020DollarsAverage annual wage, Franklin County, 2001 to 2025Average annual wage, Franklin County, 2001 to 2025. Franklin County: $19,488 in 2001, $47,366 in 2025.$0$20k$40k$60k20102020DollarsAverage annual wage, Franklin County, 2001 to 2025Average annual wage, Franklin County, 2001 to 2025. Franklin County: $19,488 in 2001, $47,366 in 2025.$0$20k$40k$60k20052010201520202025Dollars

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

Data table (25 rows)
PeriodFranklin County (dollars)
2001$19,488
2002$19,987
2003$20,547
2004$20,707
2005$22,518
2006$23,254
2007$24,138
2008$24,835
2009$23,753
2010$23,363
2011$23,665
2012$25,306
2013$25,778
2014$26,916
2015$27,750
2016$28,538
2017$29,059
2018$30,080
2019$31,239
2020$33,692
2021$36,759
2022$40,670
2023$43,639
2024$44,391
2025$47,366

County officials

OfficeNameParty
Commissioner, District 1Boyd BurbankR
Commissioner, District 2Robert SwainstonR
Commissioner, District 3Dirk BowlesR
AssessorChris BartonR
ClerkCamille LarsenR
CoronerRon SmellieR
ProsecutorVic PearsonR
SheriffDavid FryarR
TreasurerJanet KimptonR

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

Representation

Legislative district

DistrictSenatorRepresentative, Seat ARepresentative, Seat B
28Jim Guthrie (R)Richard W. “Rick” Cheatum (R)Dan Garner (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.

Source: Idaho Legislature, Senate and House membership.

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

This page was last updated .