Census place · GEOID 1942555 · Winnebago County
Lake Mills, IA ZIP codes
1 ZIP/ZCTA intersecting this Census place in Winnebago County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Lake Mills (GEOID 1942555). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 3,001 (1 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 Mills, IA

ZIP/ZCTA overlap with Lake Mills
Population overlap
Share of each ZIP/ZCTA’s population located within Lake Mills, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 5045075.8%
USPS primary city
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 Mills
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 50450 | Lake Mills | Winnebago County | 3,001 | $76,522 |