Oshkosh, WI ZIP codes
Oshkosh, Wisconsin has 5 ZIP codes, including 2 PO Box ZIPs. They are in Winnebago County.
- Population in these ZIPs
- 81,810
- Avg. median income
- $71,400population-weighted
- Typical home value
- $267,800population-weighted
- Metro area
- Oshkosh-Neenah, WI
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Oshkosh, WI ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 54901 | Winnebago County | 37,294 | $61,794 | $229,800 |
| 54902 | Winnebago County | 22,243 | $65,612 | $235,000 |
| 54903 PO Box | Winnebago County | — | — | — |
| 54904 | Winnebago County | 22,273 | $93,341 | $364,200 |
| 54906 PO Box | Winnebago County | — | — | — |
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 near Oshkosh
- Winnebago 5 mi
- Butte Des Morts 6 mi
- Omro 8 mi
- Waukau 9 mi
- Winneconne 9 mi
- Pickett 11 mi
- Neenah 12 mi
- Van Dyne 12 mi
- Larsen 13 mi
- Eldorado 13 mi
- Stockbridge 15 mi
- Dale 17 mi
Frequently asked questions
What is the ZIP code for Oshkosh, WI?
Oshkosh, WI has 5 ZIP codes: 54901, 54902, 54903, 54904 and 54906.
What county is Oshkosh, Wisconsin in?
Oshkosh ZIP codes are in Winnebago County.
Which Oshkosh ZIP codes are PO Boxes?
54903 and 54906 are PO Box or single-organization ZIP codes; they have no residential delivery area.