Hamilton County, Indiana ZIP codes
18 ZIP codes are in Hamilton County, plus 10 that cross in from neighboring counties. It's part of the Indianapolis-Carmel-Greenwood, IN metro area.
- ZIP codes
- 18
- Population in these ZIPs
- 350,555
- Avg. median income
- $121,500population-weighted
- Cities & towns
- 9
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Hamilton County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 46030 | Arcadia | 3,035 | $90,536 | $308,500 |
| 46031 | Atlanta | 2,456 | $76,438 | $333,800 |
| 46032 | Carmel | 51,515 | $132,085 | $587,000 |
| 46033 | Carmel | 40,881 | $153,143 | $590,400 |
| 46034 | Cicero | 7,531 | $91,466 | $410,300 |
| 46037 | Fishers | 48,713 | $141,810 | $474,900 |
| 46038 | Fishers | 43,754 | $106,886 | $379,800 |
| 46060 | Noblesville | 47,610 | $91,918 | $357,800 |
| 46061 PO Box | Noblesville | — | — | — |
| 46062 | Noblesville | 41,060 | $120,100 | $439,100 |
| 46069 | Sheridan | 7,504 | $76,990 | $339,500 |
| 46074 | Westfield | 48,901 | $126,724 | $507,900 |
| 46082 PO Box | Carmel | — | — | — |
| 46085 PO Box | Fishers | — | — | — |
| 46262 PO Box | Indianapolis | — | — | — |
| 46280 | Indianapolis | 7,514 | $91,152 | $346,300 |
| 46288 PO Box | Indianapolis | — | — | — |
| 46290 | Indianapolis | 81 | — | $570,700 |
ZIP codes partly in Hamilton County
These ZIP codes are mostly in a neighboring county but cover part of Hamilton County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 46040 | Fortville | Hancock County | 15,943 | $147,500 | $504,600 |
| 46050 | Kirklin | Clinton County | 1,808 | $74,531 | $268,800 |
| 46055 | Mccordsville | Hancock County | 16,010 | $113,784 | $402,100 |
| 46077 | Zionsville | Boone County | 36,760 | $177,679 | $696,400 |
| 46236 | Indianapolis | Marion County | 26,416 | $115,664 | $326,900 |
| 46240 | Indianapolis | Marion County | 19,595 | $75,156 | $364,900 |
| 46250 | Indianapolis | Marion County | 18,147 | $67,328 | $324,600 |
| 46256 | Indianapolis | Marion County | 20,990 | $93,847 | $342,600 |
| 46260 | Indianapolis | Marion County | 35,707 | $72,504 | $303,700 |
| 46268 | Indianapolis | Marion County | 25,913 | $68,631 | $251,600 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Hamilton County
Nearby counties
Frequently asked questions
How many ZIP codes are in Hamilton County, Indiana?
18 ZIP codes are mainly in Hamilton County, and 10 more ZIP codes from neighboring areas reach partly into it.
What cities are in Hamilton County?
ZIP codes in Hamilton County use the city names Arcadia, Atlanta, Carmel, Cicero, Fishers, Indianapolis, Noblesville, Sheridan and Westfield.
What metro area is Hamilton County in?
Hamilton County is part of the Indianapolis-Carmel-Greenwood, IN metropolitan statistical area.