Gem County, Idaho

Gem County, Idaho, had an estimated population of 21,773 in 2025 across 1,450 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
21,773
2025 estimate
Area
1,450 km²
Density
15
per km²
Median income
$64,605
household, ACS 2024
Median age
44.2
years, ACS 2024
How Idaho's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202490.2%
Median Gross Rent2024$1,038
Median Home Value2024$428,700
Owner-Occupied Homes202476.0%
Vacant Homes20243.9%
Demography
IndicatorValue
Aged 65 and Over202423.1%
American Indian & Alaska Native20240.7%
Asian, non-Hispanic20240.8%
Average Household Size2024people2.7
Black, non-Hispanic20240.0%
Foreign-Born20246.2%
Hispanic or Latino20249.7%
Median Age2024years44.2
Sex Ratio2024per 1,000 males941
Speak a Language Other Than English202410.5%
Under 18202421.9%
Veterans20249.4%
White, non-Hispanic202483.5%
Economy
IndicatorValue
Below Poverty Line202412.0%
Households on SNAP20246.8%
Income Inequality2024index0.425
Median Household Income2024$64,605
Per Capita Income2024$33,907
Unemployment Rate20242.9%
Education
IndicatorValue
Bachelor's Degree or Higher202420.7%
High School or Higher202489.5%
Health Coverage
IndicatorValue
No Health Insurance202411.1%
With a Disability202416.9%
Population & Density
IndicatorValue
Population202521,773
Population Density2025/km²15
Work & Commute
IndicatorValue
Commute by Public Transit20240.3%
Households with No Vehicle20242.9%
Mean Commute Time2024minutes30.3
Work from Home202411.5%
Compare Gem 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.