Jefferson County, Wisconsin

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Jefferson County, Wisconsin
JeffersonCountyCourthouseWIS26.jpg
Jefferson County courthouse
Map of Wisconsin highlighting Jefferson County
Location in the U.S. state of Wisconsin
Map of the United States highlighting Wisconsin
Wisconsin's location in the U.S.
Founded 1839
Named for Jefferson County, New York
Seat Jefferson
Largest city Watertown
Area
 • Total 583 sq mi (1,510 km2)
 • Land 556 sq mi (1,440 km2)
 • Water 26 sq mi (67 km2), 4.5%
Population
 • (2010) 83,686
 • Density 150/sq mi (58/km²)
Congressional district 5th
Time zone Central: UTC-6/-5
Website www.co.jefferson.wi.us

Jefferson County is a county located in the U.S. state of Wisconsin. As of the 2010 census, the population was 83,686.[1] Its county seat is Jefferson.[2]

Jefferson County comprises the Watertown-Fort Atkinson, WI Micropolitan Statistical Area, which is also included in the Milwaukee-Racine-Waukesha, WI Combined Statistical Area.

History

Jefferson County was created in 1836 as part of Wisconsin Territory and organized in 1839.[3] It was named after Jefferson County, New York, where some of the original settlers of the county originated.[4] Correspondingly the town of Watertown, Wisconsin was named after the town of Watertown, New York, which is located in Jefferson County, New York.

Geography

File:Jefferson Co WI Pie Chart No Text Version.pdf

According to the U.S. Census Bureau, the county has a total area of 583 square miles (1,510 km2), of which 556 square miles (1,440 km2) is land and 26 square miles (67 km2) (4.5%) is water.[5]

Major highways

Adjacent counties

Demographics

2000 Census Age Pyramid for Jefferson County
Historical population
Census Pop. %±
1840 914 —
1850 15,317 1,575.8%
1860 30,438 98.7%
1870 34,040 11.8%
1880 32,156 −5.5%
1890 33,530 4.3%
1900 34,789 3.8%
1910 34,306 −1.4%
1920 35,022 2.1%
1930 36,785 5.0%
1940 38,868 5.7%
1950 43,069 10.8%
1960 50,094 16.3%
1970 60,060 19.9%
1980 66,152 10.1%
1990 67,783 2.5%
2000 74,021 9.2%
2010 83,686 13.1%
Est. 2014 84,395 [6] 0.8%
U.S. Decennial Census[7]
1790–1960[8] 1900–1990[9]
1990–2000[10] 2010–2014[1]

As of the census[11] 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.

Government

Grandstands at the county fairgrounds in Jefferson
Sign at fairgrounds

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.

Communities

Cities

Villages

Towns

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Census-designated places

Unincorporated communities

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See also

References

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  4. ↑ "Term: Jefferson County [origin of place name]" in Dictionary of Wisconsin History.
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External links

 Dodge County
Dane County Waukesha County
  Jefferson County, Wisconsin  
Rock County Walworth County

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