Hamilton County, Indiana Zip Codes by Population (2024)
The most populated Zip Code in Hamilton County, Indiana is 46032, located in Carmel. * 2024 populations estimated based on the latest ACS 5-year data.
| Carmel | 51,250 |
| Noblesville | 47,340 |
| Fishers | 46,858 |
| Westfield | 44,075 |
| Fishers | 43,112 |
| Carmel | 39,859 |
| Noblesville | 37,191 |
| Indianapolis | 7,344 |
| Cicero | 7,335 |
| Sheridan | 6,901 |
| Arcadia | 2,902 |
| Atlanta | 2,192 |
| Indianapolis | 87 |