Statistics for St. Clair County
Latest official figures for St. Clair County, each linked to its source.
Demography
| Population | 160,486 persons | 2025 |
| Median age | 44.5 years | 2024 |
| Live births, July to June | 1,447 count | 2025 |
| Deaths, July to June | 1,908 count | 2025 |
| Crude birth rate, July to June | 9.02 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 11.9 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 5.3 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 10.9 % | 2024 |
| Median household income | 71,270 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 7,417.4 USD million | 2024 |
| Real GDP growth | 0.6 % | 2024 |