Columbia County, Wisconsin

Columbia County is a county in the U.S. state of Wisconsin. As of 2020, 58,490 people lived in Columbia county.[1] Portage is the county seat and largest city in the county.[2]

Columbia County, Wisconsin
Map
Map of Wisconsin highlighting Columbia County
Location in the state of Wisconsin
Map of the USA highlighting Wisconsin
Wisconsin's location in the U.S.
Statistics
Founded 1846
Seat Portage
Largest City Portage
Area
 - Total
 - Land
 - Water

796 sq mi (2,062 km²)
766 sq mi (1,984 km²)
30 sq mi (78 km²), 3.8
Population
 -  Density


Time zone Central: UTC-6/-5
Website: www.co.Columbia.wi.us
Named for: Christopher Columbus

Columbia County is part of the Madison Metropolitan Statistical Area.

Historical populations
Census Pop.
18509,565
186024,441155.5%
187028,80217.8%
188028,065−2.6%
189028,3501.0%
190031,1219.8%
191031,1290.0%
192030,468−2.1%
193030,5030.1%
194032,5176.6%
195034,0234.6%
196036,7087.9%
197040,1509.4%
198043,2227.7%
199045,0884.3%
200052,46816.4%
201056,8338.3%
U.S. Decennial Census[3]
1790–1960[4] 1900–1990[5]
1990–2000[6] 2010–2020[1]

Geography

The county has a total area of 796 square miles (2,061.6 km2). Of this, 774 square miles (2,004.7 km2) is land and 22 square miles (57.0 km2) (2.75%) is water. The county's highest point is Gibraltar Rock. It is 1,247 feet (380.1 m) above sea level. The high butte-shaped bluff is located north of Lodi. It looks out over the Lake Wisconsin River valley.

Cities, villages, and towns

Unincorporated communities

Ghost towns

Columbia County, Wisconsin Media

References

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Other websites

Coordinates: 43°28′N 89°20′W / 43.47°N 89.33°W / 43.47; -89.33