13 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 46032 | Carmel | 51,250 |
| 46060 | Noblesville | 47,340 |
| 46037 | Fishers | 46,858 |
| 46074 | Westfield | 44,075 |
| 46038 | Fishers | 43,112 |
| 46033 | Carmel | 39,859 |
| 46062 | Noblesville | 37,191 |
| 46280 | Indianapolis | 7,344 |
| 46034 | Cicero | 7,335 |
| 46069 | Sheridan | 6,901 |
| 46030 | Arcadia | 2,902 |
| 46031 | Atlanta | 2,192 |
| 46290 | Indianapolis | 87 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 13 ZCTAs in Hamilton County, Indiana (US Census).