County in Idaho · 4,922 sq mi · 1 people per sq mi
4,690 people live in Custer County. The typical household earns $67,574, and the median resident is 60 years old.
2026 projection
From 4,269 in 2020
Poverty rate 15.78%
Men 61.9 · Women 57.7
1890–2026
4,690
2026 projection
9.9% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1890–2026
4,690
2026 projection
9.9% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 4,690 | +54 | 1.16% |
|---|---|---|---|
| 2025 | 4,636 | +54 | 1.18% |
| 2024 | 4,582 | +51 | 1.13% |
| 2023 | 4,531 | +28 | 0.62% |
| 2022 | 4,503 | +58 | 1.30% |
| 2021 | 4,445 | +176 | 4.12% |
| 2020 | 4,269 | -4 | 0.09% |
| 2019 | 4,273 | +57 | 1.35% |
| 2018 | 4,216 | +78 | 1.88% |
| 2017 | 4,138 | +49 | 1.20% |
Showing 10 of 28 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 45 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 6 residents
58% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 58% | 57% | 59% |
| Never married | 16% | 17% | 15% |
| Divorced | 17% | 17% | 17% |
| Widowed | 9% | 9% | 8% |
| Separated | <1% | 0% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
8 sources, all from the U.S. Census Bureau