County · Indiana · United States
Hamilton County ZIP codes
13 ZIP codes · 9 cities · FIPS 18057
Key facts
- State
- Indiana (IN)
- FIPS code
- 18057
- Population
- 357,176
- Median household income
- $117,957
- Median age
- 38
- Land area
- 394.4 sq mi (1,021.4 km²)
- Population density
- 906 / sq mi
- Area codes
- 317, 463, 765
Cities and ZIP codes in Hamilton County (9)
| City | ZIP codes |
|---|---|
| Carmel | 46032, 46033 |
| Fishers | 46037, 46038 |
| Indianapolis | 46280, 46290 |
| Noblesville | 46060, 46062 |
| Arcadia | 46030 |
| Atlanta | 46031 |
| Cicero | 46034 |
| Sheridan | 46069 |
| Westfield | 46074 |
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.