St. Joseph County, Indiana ZIP codes
26 ZIP codes are in St. Joseph County, plus 5 that cross in from neighboring counties. It's part of the South Bend-Mishawaka, IN-MI metro area.
- ZIP codes
- 26
- Population in these ZIPs
- 274,971
- Avg. median income
- $71,400population-weighted
- Cities & towns
- 9
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in St. Joseph County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 46530 | Granger | 31,598 | $122,129 | $416,300 |
| 46536 | Lakeville | 2,964 | $78,448 | $291,600 |
| 46544 | Mishawaka | 31,077 | $58,829 | $209,000 |
| 46545 | Mishawaka | 26,606 | $56,865 | $218,100 |
| 46546 PO Box | Mishawaka | — | — | — |
| 46552 | New Carlisle | 7,047 | $91,341 | $278,500 |
| 46554 | North Liberty | 4,405 | $88,068 | $271,600 |
| 46556 | Notre Dame | 8,344 | — | — |
| 46561 | Osceola | 13,996 | $91,711 | $295,500 |
| 46595 | Wyatt | 0 | — | — |
| 46601 | South Bend | 4,800 | $30,789 | $151,000 |
| 46613 | South Bend | 12,279 | $42,537 | $107,500 |
| 46614 | South Bend | 29,602 | $74,153 | $242,700 |
| 46615 | South Bend | 14,190 | $62,964 | $182,100 |
| 46616 | South Bend | 5,979 | $58,537 | $151,800 |
| 46617 | South Bend | 10,032 | $74,186 | $332,900 |
| 46619 | South Bend | 21,729 | $48,081 | $139,300 |
| 46624 | South Bend | 28 | — | — |
| 46626 PO Box | South Bend | — | — | — |
| 46628 | South Bend | 27,685 | $61,759 | $177,800 |
| 46634 PO Box | South Bend | — | — | — |
| 46635 | South Bend | 6,410 | $81,944 | $266,900 |
| 46637 | South Bend | 16,200 | $71,462 | $255,300 |
| 46660 PO Box | South Bend | — | — | — |
| 46680 PO Box | South Bend | — | — | — |
| 46699 PO Box | South Bend | — | — | — |
ZIP codes partly in St. Joseph County
These ZIP codes are mostly in a neighboring county but cover part of St. Joseph County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 46506 | Bremen | Marshall County | 9,994 | $79,386 | $280,300 |
| 46550 | Nappanee | Elkhart County | 12,843 | $84,084 | $301,000 |
| 46563 | Plymouth | Marshall County | 23,615 | $73,293 | $251,000 |
| 46573 | Wakarusa | Elkhart County | 3,936 | $85,750 | $318,700 |
| 46574 | Walkerton | LaPorte County | 7,426 | $76,181 | $234,100 |
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 St. Joseph County
Nearby counties
Frequently asked questions
How many ZIP codes are in St. Joseph County, Indiana?
26 ZIP codes are mainly in St. Joseph County, and 5 more ZIP codes from neighboring areas reach partly into it.
What cities are in St. Joseph County?
ZIP codes in St. Joseph County use the city names Granger, Lakeville, Mishawaka, New Carlisle, North Liberty, Notre Dame, Osceola, South Bend and Wyatt.
What metro area is St. Joseph County in?
St. Joseph County is part of the South Bend-Mishawaka, IN-MI metropolitan statistical area.