Custer County, Idaho
Custer County, Idaho, had an estimated population of 4,636 in 2025 across 12,748 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
- 4,636
- 2025 estimate
- Area
- 12,748 km²
- Density
- 0
- per km²
- Median income
- $67,574
- household, ACS 2024
- Median age
- 60
- years, ACS 2024
How Idaho's counties spread
Amenities & Infrastructure
| Indicator | Value | In Idaho | In the US |
|---|---|---|---|
| Households with Broadband2024 | 85.9% | 39 / 44 | 1,824 / 3,144 |
| Median Gross Rent2024 | $691 | 42 / 44 | 2,766 / 3,137 |
| Median Home Value2024 | $381,700 | 13 / 44 | 336 / 3,139 |
| Owner-Occupied Homes2024 | 76.8% | 19 / 44 | 1,190 / 3,144 |
| Vacant Homes2024 | 38.1% | 6 / 44 | 118 / 3,144 |
Demography
| Indicator | Value | In Idaho | In the US |
|---|---|---|---|
| Aged 65 and Over2024 | 36.6% | 1 / 44 | 25 / 3,144 |
| American Indian & Alaska Native2024 | 0.4% | 23 / 44 | 768 / 3,144 |
| Asian, non-Hispanic2024 | 3.1% | 1 / 44 | 329 / 3,144 |
| Average Household Size2024people | 2.2 | 44 / 44 | 2,875 / 3,144 |
| Black, non-Hispanic2024 | 0.3% | 17 / 44 | 2,647 / 3,144 |
| Foreign-Born2024 | 4.8% | 21 / 44 | 1,007 / 3,144 |
| Hispanic or Latino2024 | 4.5% | 35 / 44 | 1,713 / 3,144 |
| Median Age2024years | 60 | 1 / 44 | 5 / 3,144 |
| Sex Ratio2024per 1,000 males | 928 | 34 / 44 | 2,667 / 3,144 |
| Speak a Language Other Than English2024 | 3.6% | 34 / 44 | 2,116 / 3,144 |
| Under 182024 | 13.9% | 44 / 44 | 3,094 / 3,144 |
| Veterans2024 | 11.2% | 5 / 44 | 209 / 3,144 |
| White, non-Hispanic2024 | 88.4% | 11 / 44 | 964 / 3,144 |
Economy
| Indicator | Value | In Idaho | In the US |
|---|---|---|---|
| Below Poverty Line2024 | 15.8% | 5 / 44 | 1,049 / 3,144 |
| Households on SNAP2024 | 4.6% | 37 / 44 | 2,910 / 3,144 |
| Income Inequality2024index | 0.422 | 28 / 44 | 2,399 / 3,144 |
| Median Household Income2024 | $67,574 | 22 / 44 | 1,377 / 3,143 |
| Per Capita Income2024 | $31,839 | 30 / 44 | 2,125 / 3,144 |
| Unemployment Rate2024 | 2.0% | 38 / 44 | 2,852 / 3,144 |
Education
| Indicator | Value | In Idaho | In the US |
|---|---|---|---|
| Bachelor's Degree or Higher2024 | 29.3% | 12 / 44 | 799 / 3,144 |
| High School or Higher2024 | 93.9% | 8 / 44 | 513 / 3,144 |
Health Coverage
| Indicator | Value | In Idaho | In the US |
|---|---|---|---|
| No Health Insurance2024 | 12.1% | 12 / 44 | 653 / 3,144 |
| With a Disability2024 | 24.8% | 1 / 44 | 127 / 3,144 |
Population & Density
| Indicator | Value | In Idaho | In the US |
|---|---|---|---|
| Population2025 | 4,636 | 40 / 44 | 2,842 / 3,144 |
| Population Density2025/km² | 0 | 41 / 44 | 3,045 / 3,144 |
Work & Commute
| Indicator | Value | In Idaho | In the US |
|---|---|---|---|
| Commute by Public Transit2024 | 1.1% | 7 / 44 | 367 / 3,144 |
| Households with No Vehicle2024 | 3.7% | 17 / 44 | 2,465 / 3,144 |
| Mean Commute Time2024minutes | 17.3 | 40 / 44 | 2,827 / 3,143 |
| Work from Home2024 | 27.3% | 1 / 44 | 31 / 3,144 |
Other counties of Idaho
- Ada County
- Adams County
- Bannock County
- Bear Lake County
- Benewah County
- Bingham County
- Blaine County
- Boise County
- Bonner County
- Bonneville County
- Boundary County
- Butte County
- Camas County
- Canyon County
- Caribou County
- Cassia County
- Clark County
- Clearwater County
- Elmore County
- Franklin County
- Fremont County
- Gem County
- Gooding County
- Idaho County
- Jefferson County
- Jerome County
- Kootenai County
- Latah County
- Lemhi County
- Lewis County
- Lincoln County
- Madison County
- Minidoka County
- Nez Perce County
- Oneida County
- Owyhee County
- Payette County
- Power County
- Shoshone County
- Teton County
- Twin Falls County
- Valley County
- Washington County
Compare Custer 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.