Twin Falls County, Idaho

Twin Falls County, Idaho, had an estimated population of 97,539 in 2025 across 4,977 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Idaho's counties and nationally.

Population
97,539
2025 estimate
Area
4,977 km²
Density
20
per km²
Median income
$67,409
household, ACS 2024
Median age
36.1
years, ACS 2024
How Idaho's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202491.1%
Median Gross Rent2024$1,089
Median Home Value2024$337,900
Owner-Occupied Homes202470.5%
Vacant Homes20244.6%
Demography
IndicatorValue
Aged 65 and Over202416.6%
American Indian & Alaska Native20240.3%
Asian, non-Hispanic20241.1%
Average Household Size2024people2.7
Black, non-Hispanic20240.8%
Foreign-Born20248.5%
Hispanic or Latino202418.0%
Median Age2024years36.1
Sex Ratio2024per 1,000 males1,015
Speak a Language Other Than English202414.9%
Under 18202426.3%
Veterans20247.4%
White, non-Hispanic202475.3%
Economy
IndicatorValue
Below Poverty Line202411.5%
Households on SNAP20249.6%
Income Inequality2024index0.442
Median Household Income2024$67,409
Per Capita Income2024$35,344
Unemployment Rate20243.0%
Education
IndicatorValue
Bachelor's Degree or Higher202423.5%
High School or Higher202489.3%
Health Coverage
IndicatorValue
No Health Insurance202410.2%
With a Disability202414.4%
Population & Density
IndicatorValue
Population202597,539
Population Density2025/km²20
Work & Commute
IndicatorValue
Commute by Public Transit20240.0%
Households with No Vehicle20242.9%
Mean Commute Time2024minutes17.8
Work from Home20247.4%
Compare Twin Falls County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.