Kewaunee County, Wisconsin ZIP codes
4 ZIP codes are in Kewaunee County, plus 2 that cross in from neighboring counties. It's part of the Green Bay, WI metro area.
- ZIP codes
- 4
- Population in these ZIPs
- 21,535
- Avg. median income
- $82,700population-weighted
- Cities & towns
- 4
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Kewaunee County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 54201 | Algoma | 5,209 | $67,542 | $272,000 |
| 54205 | Casco | 2,229 | $90,781 | $344,500 |
| 54216 | Kewaunee | 6,075 | $83,813 | $293,000 |
| 54217 | Luxemburg | 8,022 | $89,489 | $391,300 |
ZIP codes partly in Kewaunee County
These ZIP codes are mostly in a neighboring county but cover part of Kewaunee County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 54208 | Denmark | Brown County | 6,231 | $95,509 | $391,600 |
| 54213 | Forestville | Door County | 1,395 | $97,292 | $302,500 |
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 Kewaunee County
Nearby counties
Frequently asked questions
How many ZIP codes are in Kewaunee County, Wisconsin?
4 ZIP codes are mainly in Kewaunee County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Kewaunee County?
ZIP codes in Kewaunee County use the city names Algoma, Casco, Kewaunee and Luxemburg.
What metro area is Kewaunee County in?
Kewaunee County is part of the Green Bay, WI metropolitan statistical area.