County · Iowa · United States
Polk County ZIP codes
32 ZIP codes · 18 cities · FIPS 19153
Key facts
- State
- Iowa (IA)
- FIPS code
- 19153
- Population
- 497,441
- Median household income
- $81,621
- Median age
- 36.2
- Land area
- 572.2 sq mi (1,482 km²)
- Population density
- 869 / sq mi
- Area codes
- 319, 515
Cities and ZIP codes in Polk County (18)
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.