Jefferson County, Wisconsin
|Jefferson County, Wisconsin|
Location in the state of Wisconsin
Wisconsin's location in the U.S.
|• Total||583 sq mi (1,509 km2)|
|• Land||557 sq mi (1,443 km2)|
|• Water||26 sq mi (67 km2), 4.42%|
|• Density||133/sq mi (51/km²)|
|Time zone||Central: UTC-6/-5|
According to the U.S. Census Bureau, the county has a total area of 583 square miles (1,510.0 km2), of which 557 square miles (1,442.6 km2) is land and 26 square miles (67.3 km2) (4.42%) is water.
- Interstate 94
- U.S. Highway 14
- U.S. Highway 18
- Highway 16 (Wisconsin)
- Highway 19 (Wisconsin)
- Highway 26 (Wisconsin)
- Highway 59 (Wisconsin)
- Highway 89 (Wisconsin)
- Highway 106 (Wisconsin)
- Highway 134 (Wisconsin)
- Dodge County - north
- Waukesha County - east
- Walworth County - southeast
- Rock County - southwest
- Dane County - west
|WI Counties 1900-1990|
As of the census of 2010, there were 83,686 people, 32,117 households, and 21,872 families residing in the county. The population density was 133 people per square mile (51/km²). There were 30,092 housing units at an average density of 54 per square mile (21/km²). The racial makeup of the county was 96.34% White, 0.28% Black or African American, 0.34% Native American, 0.45% Asian, 0.02% Pacific Islander, 1.65% from other races, and 0.93% from two or more races. 4.09% of the population were Hispanic or Latino of any race. 55.1% were of German, 6.1% Norwegian, 6.0% Irish and 5.1% American ancestry according to Census 2000.
There were 28,205 households out of which 33.20% had children under the age of 18 living with them, 58.50% were married couples living together, 8.20% had a female householder with no husband present, and 29.50% were non-families. 23.60% of all households were made up of individuals and 9.60% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 3.02.
In the county, the population was spread out with 25.20% under the age of 18, 8.50% from 18 to 24, 30.40% from 25 to 44, 23.20% from 45 to 64, and 12.60% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 98.40 males. For every 100 females age 18 and over, there were 96.80 males.
The County Board of Supervisors, with 30 members, serves as the legislative body for the county. There are seven elected officials in addition to the County Board of Supervisors. County-wide partisan elections are held in November. The County Board's members are elected for two-year terms during a spring non-partisan election. The County Board is responsible for the county administrator.[clarification needed] The County Board elects a chairman, vice-chairman, and second vice-chairman.
Cities, villages, and towns
- Cambridge (part; mostly in Dane County)
- Cold Spring
- Fort Atkinson
- Hebron (town)
- Ixonia (town)
- Jefferson (town)
- Johnson Creek
- Lac La Belle (part; mostly in Waukesha County)
- Lake Mills
- Lake Mills (town)
- Palmyra (town)
- Sullivan (town)
- Waterloo (town)
- Watertown (city) (most; partly in Dodge County)
- Watertown (town)
- Whitewater (part; mostly in Walworth County)
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- "Term: Jefferson County [origin of place name]" in Dictionary of Wisconsin History.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
|Dane County||Waukesha County|
|Rock County||Walworth County|
|Wikimedia Commons has media related to Jefferson County, Wisconsin.|