Zip Code 46637 — South Bend, IN
46637 is a ZIP Code associated with South Bend, IN, located within St. Joseph. 46637 ranks #7 out of 20 ZIP codes in St. Joseph County by population (and #158 out of 807 in IN). The area supports an estimated population of 16,200 residents across Data Pending housing units, with a population density of 625.9 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (41.733580, -86.242990)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 46637 |
| Primary City | South Bend |
| State / Province | IN |
| County | St. Joseph |
| Total Population | 16,200 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 625.9 people/sq mi |
| Timezone | America/Indiana/Indianapolis |
How 46637 Compares
| Metric | ZIP 46637 | St. Joseph County | IN State Average |
|---|
| Population | 16,200 | 274,971 (Total) | 6,851,073 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 625.9 /sq mi | -- | -- |
| County Pop Rank | #7 of 20 | -- | -- |
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 →