County · Iowa · United States
Johnson County ZIP codes
12 ZIP codes · 9 cities · FIPS 19103
Key facts
- State
- Iowa (IA)
- FIPS code
- 19103
- Population
- 154,881
- Median household income
- $74,721
- Median age
- 30.8
- Land area
- 613 sq mi (1,587.7 km²)
- Population density
- 253 / sq mi
- Area codes
- 319
Cities and ZIP codes in Johnson County (9)
| City | ZIP codes |
|---|---|
| Iowa City | 52240, 52242, 52245, 52246 |
| Coralville | 52241 |
| Hills | 52235 |
| Lone Tree | 52755 |
| North Liberty | 52317 |
| Oxford | 52322 |
| Solon | 52333 |
| Swisher | 52338 |
| Tiffin | 52340 |
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.