Statistics for Polk County
Latest official figures for Polk County, each linked to its source.
Demography
| Population | 874,790 persons | 2025 |
| Median age | 39.5 years | 2024 |
| Live births, July to June | 9,437 count | 2025 |
| Deaths, July to June | 8,350 count | 2025 |
| Crude birth rate, July to June | 10.93 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 9.67 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 5.6 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 13.4 % | 2024 |
| Median household income | 65,978 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 44,304 USD million | 2024 |
| Real GDP growth | 3.8 % | 2024 |