County · Iowa · United States
Butler County ZIP codes
12 ZIP codes · 12 cities · FIPS 19023
Key facts
- State
- Iowa (IA)
- FIPS code
- 19023
- Population
- 14,301
- Median household income
- $69,651
- Median age
- 43.7
- Land area
- 580.1 sq mi (1,502.6 km²)
- Population density
- 25 / sq mi
- Area codes
- 319, 641
Cities and ZIP codes in Butler County (12)
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.