Census place · GEOID 5542012 · Columbia County
Lake Wisconsin, WI ZIP codes
5 ZIP/ZCTAs intersecting this Census place (CDP) in Columbia County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Lake Wisconsin (GEOID 5542012). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 37,669 (5 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Lake Wisconsin, WI

ZIP/ZCTA overlap with Lake Wisconsin
Population overlap
Share of each ZIP/ZCTA’s population located within Lake Wisconsin, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Lake Wisconsin
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 53555 | Lodi | Columbia County | 8,708 | $110,926 |
| 53561 | Merrimac | Sauk County | 1,954 | $95,694 |
| 53578 | Prairie Du Sac | Sauk County | 6,444 | $100,194 |
| 53901 | Portage | Columbia County | 14,654 | $72,244 |
| 53955 | Poynette | Columbia County | 5,909 | $95,802 |