Statistics for Jefferson County
Latest official figures for Jefferson County, each linked to its source.
Demography
| Population | 254,321 persons | 2025 |
| Median age | 37 years | 2024 |
| Live births, July to June | 3,159 count | 2025 |
| Deaths, July to June | 2,507 count | 2025 |
| Crude birth rate, July to June | 12.42 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 9.85 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 6.3 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 21.3 % | 2024 |
| Median household income | 60,026 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 27,102.2 USD million | 2024 |
| Real GDP growth | 12.4 % | 2024 |