Statistics for Plymouth County
Latest official figures for Plymouth County, each linked to its source.
Demography
| Population | 546,829 persons | 2025 |
| Median age | 43 years | 2024 |
| Live births, July to June | 5,377 count | 2025 |
| Deaths, July to June | 5,074 count | 2025 |
| Crude birth rate, July to June | 9.85 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 9.3 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 4.5 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 7.3 % | 2024 |
| Median household income | 114,201 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 36,916.6 USD million | 2024 |
| Real GDP growth | 2.8 % | 2024 |