Statistics for Polk County
Latest official figures for Polk County, each linked to its source.
Demography
| Population | 516,546 persons | 2025 |
| Median age | 36.2 years | 2024 |
| Live births, July to June | 6,423 count | 2025 |
| Deaths, July to June | 4,241 count | 2025 |
| Crude birth rate, July to June | 12.47 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 8.23 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 3.8 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 10.2 % | 2024 |
| Median household income | 83,576 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 63,823 USD million | 2024 |
| Real GDP growth | 3.2 % | 2024 |