Zip Code 46256 — Indianapolis, IN
46256 is a ZIP Code associated with Indianapolis, IN, located within Marion. 46256 ranks #25 out of 37 ZIP codes in Marion County by population (and #122 out of 807 in IN). The area supports an estimated population of 20,990 residents across Data Pending housing units, with a population density of 727.2 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (39.906820, -86.011520)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 46256 |
| Primary City | Indianapolis |
| State / Province | IN |
| County | Marion |
| Total Population | 20,990 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 727.2 people/sq mi |
| Timezone | America/Indiana/Indianapolis |
How 46256 Compares
| Metric | ZIP 46256 | Marion County | IN State Average |
|---|
| Population | 20,990 | 979,381 (Total) | 6,851,073 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 727.2 /sq mi | -- | -- |
| County Pop Rank | #25 of 37 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →