Columbia County, Wisconsin Zip Codes by Population (2024)
The most populated Zip Code in Columbia County, Wisconsin is 53901, located in Portage. * 2024 populations estimated based on the latest ACS 5-year data.
Portage | 14,978 |
Columbus | 8,810 |
Lodi | 8,706 |
Pardeeville | 6,782 |
Poynette | 5,806 |
Rio | 3,219 |
Randolph | 3,035 |
Fall River | 2,448 |
Cambria | 2,224 |
Arlington | 1,433 |
Wyocena | 324 |
Friesland | 261 |
Doylestown | 102 |