| ZIP Codes: | 27 ZIP Codes (18 Standard, 7 PO Box, 2 Unique) [See All] |
| Area Codes: | 219 / 574 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:09 PM |
| Population: | 282,397 [See All] |
| FIPS: | 18141 |
| CBSA: | South Bend-Mishawaka, IN-MI |
| Land Area: | 498 sq mi |
| Water Area: | 6 sq mi |
| Coordinates: | 41.6556, -86.2561 |
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282,397 residents live across 27 ZIPs covering 498 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 276,527 to 282,369 from 2014 to 2024 — a +2.1% change. 9 ZIPs gained residents, 11 lost.
The county's wealthiest ZIP 46530 (Granger, $122,129 median) and poorest ZIP 46601 (South Bend, $30,789) are 8.0 miles apart — a 4.0× income gap across local geography.
Median home values vary 4.2× across this county — from $82,800 in 46613 (South Bend) to $345,400 in 46530 (Granger).
Density varies 71× across the county — from 64 people/sq mi in 46554 (North Liberty) to 4,524 in 46613 (South Bend).
Most of the decade's growth concentrated around South Bend — top growth ZIPs averaged +12.3% over the past ten years ( 46556 , 46637 and 46616 ).
Educational attainment ranges from 11.9% bachelor's+ in 46613 (South Bend) to 60.3% in 46617 (South Bend) — the breadth of educational profiles across the area.
Within Indiana, this is the #5 most populous of 92 counties and ranks #53 for median household income .
Weighted by population, the typical household earns about $71,541 across the county — reflecting what a typical resident sees, not a simple ZIP average.
33.1% of adults age 25+ hold a bachelor's degree or higher (61,402 of 185,601 reporting).
18 Standard delivery, 7 PO Box only, 2 single-entity Unique ZIPs serve this county.
2 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
Median household income spans 4.0× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 46530 | Granger | Standard | 31,598 | $122,129 | 24.8 | 5.6% |
| 46544 | Mishawaka | Standard | 31,077 | $58,829 | 40.7 | -0.4% |
| 46614 | South Bend | Standard | 29,602 | $74,153 | 52.5 | -2.1% |
| 46628 | South Bend | Standard | 27,685 | $61,759 | 34.7 | 6.4% |
| 46545 | Mishawaka | Standard | 26,606 | $56,865 | 18.3 | 10.2% |
| 46619 | South Bend | Standard | 21,729 | $48,081 | 24.7 | -1.7% |
| 46637 | South Bend | Standard | 16,200 | $71,462 | 9.6 | 12.1% |
| 46615 | South Bend | Standard | 14,190 | $62,964 | 3.4 | -4.6% |
| 46561 | Osceola | Standard | 13,996 | $91,711 | 13.9 | -0.9% |
| 46613 | South Bend | Standard | 12,279 | $42,537 | 2.7 | 10.5% |
| 46617 | South Bend | Standard | 10,032 | $74,186 | 2.7 | 3.4% |
| 46556 | Notre Dame | PO Box | 8,344 | — | 2.3 | 12.8% |
| 46574 | Walkerton | Standard | 7,426 | $76,181 | 98.5 | -3.3% |
| 46552 | New Carlisle | Standard | 7,047 | $91,341 | 64.5 | -1.5% |
| 46635 | South Bend | Standard | 6,410 | $81,944 | 3.0 | 9.2% |
| 46616 | South Bend | Standard | 5,979 | $58,537 | 1.6 | 11.9% |
| 46601 | South Bend | Standard | 4,800 | $30,789 | 2.1 | -26.6% |
| 46554 | North Liberty | Standard | 4,405 | $88,068 | 68.9 | -12.9% |
| 46536 | Lakeville | Standard | 2,964 | $78,448 | 29.4 | -15.6% |
| 46624 | South Bend | PO Box | 28 | — | 0.0 | — |
| 46595 | Wyatt | PO Box | 0 | — | 0.0 | -100.0% |
| 46546 | Mishawaka | PO Box | — | — | 0.0 | — |
| 46680 | South Bend | PO Box | — | — | 0.0 | — |
| 46699 | South Bend | Unique | — | — | 0.0 | — |
| 46634 | South Bend | PO Box | — | — | 0.0 | — |
| 46626 | South Bend | Unique | — | — | 0.0 | — |
| 46660 | South Bend | PO Box | — | — | 0.0 | — |