Statistics for Marin County
Latest official figures for Marin County, each linked to its source.
Demography
| Population | 253,694 persons | 2025 |
| Median age | 47.4 years | 2024 |
| Live births, July to June | 2,172 count | 2025 |
| Deaths, July to June | 2,144 count | 2025 |
| Crude birth rate, July to June | 8.53 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 8.42 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 4.4 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 9.9 % | 2024 |
| Median household income | 149,091 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 36,853.6 USD million | 2024 |
| Real GDP growth | 1.8 % | 2024 |