Columbia County is a county located in the U.S. state of Wisconsin. As of the 2020 census, the population was 58,490. Its county seat and largest city is Portage. The county was created in 1846 as part of Wisconsin Territory.
Columbia County is part of the Madison, WI Metropolitan Statistical Area as well as the Madison-Janesville–Beloit, WI Combined Statistical Area.
| Name: | Columbia County |
|---|---|
| FIPS code: | 55-021 |
| State: | Wisconsin |
| Founded: | 1846 |
| Named for: | Christopher Columbus |
| Seat: | Portage |
| Largest city: | Portage |
| Total Area: | 796 sq mi (2,060 km²) |
| Land Area: | 766 sq mi (1,980 km²) |
| Total Population: | 58,490 |
| Population Density: | 76.4/sq mi (29.5/km²) |
Columbia County location map. Where is Columbia County?
Columbia County Road Map
Geography
According to the U.S. Census Bureau, the county has a total area of 796 square miles (2,060 km), of which 766 square miles (1,980 km) is land and 30 square miles (78 km) (3.8%) is water. The county’s highest point is in the Baraboo Range, near Durward’s Glen at 1,480 feet above sea level.
Major highways
- Interstate 39
- Interstate 90
- Interstate 94
- U.S. Highway 51
- U.S. Highway 151
- Highway 13
- Highway 16
- Highway 22
- Highway 23
- Highway 33
- Highway 44
- Highway 60
- Highway 73
- Highway 78
- Highway 89
- Highway 113
- Highway 127
- Highway 146
- Highway 188
Railroads
- Amtrak
- Wisconsin and Southern Railroad
- Canadian Pacific
- Union Pacific
- Columbus station
- Portage station
- Wisconsin Dells station
Buses
- List of intercity bus stops in Wisconsin
Airports
- 94C – Gilbert Field airport serves the county and surrounding communities.
- C47 – Portage Municipal Airport supports the county.
Adjacent counties
- Marquette County – north
- Green Lake County – northeast
- Dodge County – east
- Dane County – south
- Sauk County – west
- Juneau County – northwest
- Adams County – northwest
Columbia County Topographic Map
Columbia County Satellite Map
Columbia County Outline Map
