Columbia County, Wisconsin

administration
Columbia County Courthouse
US state :	Wisconsin
Administrative headquarters :	Portage
Address of the administrative headquarters:	County Courthouse 400 DeWitt Street Portage, WI 53901-0177
Foundation :	1846
Made up from:	Portage County
Area code :	001 608
Demographics
Residents :	56,833 (2010)
Population density :	28.4 inhabitants / km ²
geography
Total area :	2061 km²
Water surface :	57 km²
map

Website : www.co.columbia.wi.us

Columbia County Law Enforcement Center in Portage

The Columbia County is a county in the US -amerikanischen State Wisconsin . In 2010 , the county had 56,833 residents and a population density of 28.4 people per square kilometer. The county seat is Portage .

Columbia County is part of the Madison metropolitan area .

geography

Southwest end of the Portage Canal

The county is located in south-central Wisconsin and has an area of 2061 square kilometers, of which 57 square kilometers are water.

In the west, the county is traversed by the Wisconsin River , a left tributary of the Mississippi . The Fox River, which flows into Lake Michigan, has its source in the north of the county .

The watershed between the two rivers was previously bridged by the Portage Canal near the city of Portage . Up until the first half of the 20th century , the Fox – Wisconsin Waterway formed a waterway from the Mississippi to the Great Lakes via a series of barriers and locks on both sides of the watershed .

The following neighboring counties border Columbia County:

Adams County , Juneau County	Marquette County	Green Lake County
Sauk County		Dodge County
	Dane County

history

Columbia County was formed in 1846 from parts of Portage County. It was named after Christopher Columbus .

population

Population development
Census	Residents	± in%
1900	31,121	-
1910	31,129	0%
1920	30,468	-2.1%
1930	30.503	0.1%
1940	32,517	6.6%
1950	34,023	4.6%
1960	36,708	7.9%
1970	40,150	9.4%
1980	43,222	7.7%
1990	45,088	4.3%
2000	52,468	16.4%
2010	56,833	8.3%
2012 estimate	56,539	-0.5%
1900–1990 2000 2010–2012

As of the 2010 census , Columbia County had 56,833 people in 22,888 households. The population density was 28.4 inhabitants per square kilometer. Statistically, 2.4 people lived in each of the 22,888 households.

The racial the population was composed of 96.3 percent white, 1.4 percent African American, 0.6 percent Native American, 0.6 percent Asian, 0.1 percent Polynesian and other ethnic groups; 1.0 percent were descended from two or more races. Hispanic or Latino of any race was 2.6 percent of the population regardless of ethnicity.

22.7 percent of the population were under 18 years old, 62.0 percent were between 18 and 64 and 15.3 percent were 65 years or older. 49.1 percent of the population was female.

The median income for a household was 57,805 USD . The per capita income was $ 28,160. 8.7 percent of the population lived below the poverty line.

Columbia County localities

Citys

Villages

Rio
Wyocena

Census-designated place (CDP)

Lake Wisconsin ¹

Other Unincorporated Communities

^{1 - partly in Sauk County

2 - partly in Dodge County

3 - partly in Adams , Juneau and Sauk Counties}

structure

Columbia County is divided into four cities and ten villages in 21 towns :

Town	Population (2010)	FIPS
Town of Arlington	806	55-02825
Town of Caledonia	1378	55-11900
Town of Columbus	646	55-16475
Town of Courtland	525	55-17325
Town of Dekorra	2311	55-19375
Town of Fort Winnebago	825	55-26725
Town of Fountain Prairie	887	55-26875

Town	Population (2010)	FIPS
Town of Hampden	574	55-32375
Town of Leeds	774	55-43125
Town of Lewiston	1225	55-43775
Town of Lodi	3273	55-45375
Town of Lowville	1008	55-46050
Town of Marcellon	1102	55-49150
Town of Newport	586	55-57025

Town	Population (2010)	FIPS
Town of Otsego	693	55-60687
Town of Pacific	2707	55-60925
Town of Randolph	769	55-66175
Town of Scott	905	55-72250
Town of Springvale	520	55-76225
Town of West Point	1955	55-86100
Town of Wyocena	1666	55-89325