Statistics for Marion County
Latest official figures for Marion County, each linked to its source.
Demography
| Population | 355,777 persons | 2025 |
| Median age | 37.5 years | 2024 |
| Live births, July to June | 3,844 count | 2025 |
| Deaths, July to June | 3,239 count | 2025 |
| Crude birth rate, July to June | 10.84 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 9.14 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 5.1 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 11.9 % | 2024 |
| Median household income | 77,351 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 23,936.8 USD million | 2024 |
| Real GDP growth | 3.1 % | 2024 |