Sullivan, WI ZIP code
The ZIP code for Sullivan, Wisconsin is 53178. It is in Jefferson County.
- Population in these ZIPs
- 2,497
- Avg. median income
- $99,900population-weighted
- Typical home value
- $435,300population-weighted
- Metro area
- Watertown-Fort Atkinson, WI
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Sullivan, WI ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 53178 | 2,497 | $99,875 | $435,300 |
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 Sullivan
- Helenville 4 mi
- Dousman 7 mi
- Oconomowoc 8 mi
- Jefferson 9 mi
- Palmyra 10 mi
- Okauchee 10 mi
- Ixonia 10 mi
- Delafield 10 mi
- Johnson Creek 11 mi
- Nashotah 11 mi
- Eagle 11 mi
- Wales 12 mi
Frequently asked questions
What is the ZIP code for Sullivan, WI?
The ZIP code for Sullivan, WI is 53178.
What county is Sullivan, Wisconsin in?
Sullivan ZIP codes are in Jefferson County.