Statistics for Knox County
Latest official figures for Knox County, each linked to its source.
Demography
| Population | 511,453 persons | 2025 |
| Median age | 37.4 years | 2024 |
| Live births, July to June | 5,598 count | 2025 |
| Deaths, July to June | 5,435 count | 2025 |
| Crude birth rate, July to June | 10.99 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 10.67 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 3.2 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 12.8 % | 2024 |
| Median household income | 74,222 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 43,622.9 USD million | 2024 |
| Real GDP growth | 3.2 % | 2024 |