Statistics for Nassau County
Latest official figures for Nassau County, each linked to its source.
Demography
| Population | 1,398,939 persons | 2025 |
| Median age | 42 years | 2024 |
| Live births, July to June | 13,402 count | 2025 |
| Deaths, July to June | 10,613 count | 2025 |
| Crude birth rate, July to June | 9.58 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 7.59 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 3.8 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 5.9 % | 2024 |
| Median household income | 146,202 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 130,221.9 USD million | 2024 |
| Real GDP growth | 0.1 % | 2024 |