Statistics for Rock Island County
Latest official figures for Rock Island County, each linked to its source.
Demography
| Population | 141,869 persons | 2025 |
| Median age | 40.3 years | 2024 |
| Live births, July to June | 1,881 count | 2025 |
| Deaths, July to June | 1,705 count | 2025 |
| Crude birth rate, July to June | 13.27 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 12.03 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 4 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 12.6 % | 2024 |
| Median household income | 67,159 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 12,607.1 USD million | 2024 |
| Real GDP growth | 0.1 % | 2024 |