Statistics for Williamson County
Latest official figures for Williamson County, each linked to its source.
Demography
| Population | 272,061 persons | 2025 |
| Median age | 40.4 years | 2024 |
| Live births, July to June | 2,186 count | 2025 |
| Deaths, July to June | 1,635 count | 2025 |
| Crude birth rate, July to June | 8.09 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 6.05 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 3 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 4.5 % | 2024 |
| Median household income | 135,594 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 38,775.7 USD million | 2024 |
| Real GDP growth | 0.9 % | 2024 |