| Name | Polk County |
| State | Iowa |
| FIPS Code | 19153 |
| County Seat | Des Moines |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 431,811 |
| Population Growth Rate(2000-2022) | 14.34% |
| Majority Ethnicity | White 86.48% |
| Public School Majority Ethnicity | White 58% |
| Partisan Voting Index | Democratic:+8 |
| Unemployment Rate (December 2024) | 3.1% |
| Area Code(s) | 515 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 86.48% |
| African American | 7.91% |
| Hispanic | 0.23% |
| Asian | 5.34% |
| Native American | 0.02% |
| Hawaiin/Pacific Islander | 0.02% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 57.63% |
| African American | 12.26% |
| Hispanic | 17.85% |
| Asian | 5.8% |
| Native American | 0.26% |
| Hawaiin/Pacific Islander | 0.15% |