Casco, WI ZIP code
The ZIP code for Casco, Wisconsin is 54205. It is in Kewaunee County.
- Population in these ZIPs
- 2,229
- Avg. median income
- $90,800population-weighted
- Typical home value
- $344,500population-weighted
- Metro area
- Green Bay, WI
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Casco, WI ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 54205 | 2,229 | $90,781 | $344,500 |
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 near Casco
- Luxemburg 6 mi
- Algoma 7 mi
- Forestville 8 mi
- New Franken 10 mi
- Brussels 10 mi
- Kewaunee 12 mi
- Suamico 19 mi
- Denmark 19 mi
- Little Suamico 20 mi
- Sturgeon Bay 21 mi
- Green Bay 21 mi
- Mishicot 23 mi
Frequently asked questions
What is the ZIP code for Casco, WI?
The ZIP code for Casco, WI is 54205.
What county is Casco, Wisconsin in?
Casco ZIP codes are in Kewaunee County.