County · GEOID 55021
Columbia County, WI ZIP codes
20 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Columbia County (GEOID 55021). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 123,382 (20 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with Columbia County
Population overlap
Share of each ZIP/ZCTA’s population located within Columbia County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 535321.3%
- 5355593.3%
Directory county
- 5356115.2%
- 5357812.8%
- 535830.6%
- 5390199.4%
Directory county
- 5391196.6%
Directory county
- 539130.2%
- 5392388.1%
Directory county
- 5392580.1%
Directory county
- 5392617.2%
- 53928100.0%
Directory county
- 5393296.9%
Directory county
- 53935100.0%
Directory county
- 5395496.7%
Directory county
- 53955100.0%
Directory county
- 5395635.4%
- 53960100.0%
Directory county
- 5396528.3%
- 53969100.0%
Directory county
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Columbia County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 53532 | Deforest | Dane County | 16,286 | $110,050 |
| 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 |
| 53583 | Sauk City | Sauk County | 6,043 | $92,792 |
| 53901 | Portage | Columbia County | 14,654 | $72,244 |
| 53911 | Arlington | Columbia County | 1,480 | $99,375 |
| 53913 | Baraboo | Sauk County | 21,342 | $73,856 |
| 53923 | Cambria | Columbia County | 2,294 | $74,750 |
| 53925 | Columbus | Columbia County | 8,956 | $86,667 |
| 53926 | Dalton | Green Lake County | 1,877 | $56,324 |
| 53928 | Doylestown | Columbia County | 86 | $83,125 |
| 53932 | Fall River | Columbia County | 2,470 | $80,486 |
| 53935 | Friesland | Columbia County | 269 | $76,818 |
| 53954 | Pardeeville | Columbia County | 6,579 | $80,938 |
| 53955 | Poynette | Columbia County | 5,909 | $95,802 |
| 53956 | Randolph | Dodge County | 3,238 | $84,722 |
| 53960 | Rio | Columbia County | 3,235 | $82,143 |
| 53965 | Wisconsin Dells | Sauk County | 11,197 | $65,237 |
| 53969 | Wyocena | Columbia County | 361 | $73,125 |
USPS associates these ZIPs with Columbia County
These codes list Columbia County as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 53957 | Randolph | Columbia County | — | — |