Kosciusko County, Indiana ZIP codes
15 ZIP codes are in Kosciusko County, plus 7 that cross in from neighboring counties. It's part of the Warsaw, IN micro area.
- ZIP codes
- 15
- Population in these ZIPs
- 78,187
- Avg. median income
- $74,500population-weighted
- Cities & towns
- 13
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Kosciusko County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 46502 | Atwood | 0 | — | — |
| 46508 | Burket | 203 | $55,833 | $109,400 |
| 46510 | Claypool | 2,984 | $99,420 | $238,300 |
| 46524 | Etna Green | 2,023 | $65,987 | $306,800 |
| 46538 | Leesburg | 4,291 | $89,803 | $371,300 |
| 46539 | Mentone | 2,659 | $74,079 | $214,600 |
| 46542 | Milford | 5,096 | $78,606 | $286,400 |
| 46555 | North Webster | 2,517 | $70,399 | $281,100 |
| 46562 | Pierceton | 5,040 | $68,902 | $257,000 |
| 46567 | Syracuse | 9,292 | $77,103 | $386,000 |
| 46580 | Warsaw | 21,794 | $71,687 | $256,200 |
| 46581 PO Box | Warsaw | — | — | — |
| 46582 | Warsaw | 14,604 | $66,738 | $315,800 |
| 46590 | Winona Lake | 5,080 | $82,188 | $308,700 |
| 46982 | Silver Lake | 2,604 | $79,688 | $197,300 |
ZIP codes partly in Kosciusko County
These ZIP codes are mostly in a neighboring county but cover part of Kosciusko County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 46504 | Bourbon | Marshall County | 3,500 | $74,567 | $251,500 |
| 46506 | Bremen | Marshall County | 9,994 | $79,386 | $280,300 |
| 46550 | Nappanee | Elkhart County | 12,843 | $84,084 | $301,000 |
| 46732 | Cromwell | Noble County | 2,231 | $58,906 | $240,700 |
| 46787 | South Whitley | Whitley County | 4,031 | $62,242 | $244,800 |
| 46910 | Akron | Fulton County | 3,221 | $69,226 | $230,000 |
| 46962 | North Manchester | Wabash County | 8,785 | $67,984 | $201,100 |
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 Kosciusko County
Nearby counties
Frequently asked questions
How many ZIP codes are in Kosciusko County, Indiana?
15 ZIP codes are mainly in Kosciusko County, and 7 more ZIP codes from neighboring areas reach partly into it.
What cities are in Kosciusko County?
ZIP codes in Kosciusko County use the city names Atwood, Burket, Claypool, Etna Green, Leesburg, Mentone, Milford, North Webster, Pierceton, Silver Lake, Syracuse and Warsaw and others.
What metro area is Kosciusko County in?
Kosciusko County is part of the Warsaw, IN micropolitan statistical area.