Statistics for Custer County
Latest official figures for Custer County, each linked to its source.
Demography
| Population | 4,636 persons | 2025 |
| Median age | 60 years | 2024 |
| Live births, July to June | 27 count | 2025 |
| Deaths, July to June | 45 count | 2025 |
| Crude birth rate, July to June | 5.86 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 9.76 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 3.3 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 14.7 % | 2024 |
| Median household income | 67,574 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 257.3 USD million | 2024 |
| Real GDP growth | 1.8 % | 2024 |