Statistics for Jefferson Parish
Latest official figures for Jefferson Parish, each linked to its source.
Demography
| Population | 431,398 persons | 2025 |
| Median age | 40 years | 2024 |
| Live births, July to June | 4,713 count | 2025 |
| Deaths, July to June | 4,219 count | 2025 |
| Crude birth rate, July to June | 10.91 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 9.77 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 3.5 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 17.1 % | 2024 |
| Median household income | 65,252 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 31,829.7 USD million | 2024 |
| Real GDP growth | 1.6 % | 2024 |