Jefferson County, Wisconsin

Jefferson County, Wisconsin

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.jeffersoncountywi.gov

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

Native vegetation based on NRCS soils information

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

Airports

Adjacent counties

Demographics

2000 Census Age Pyramid for Jefferson County
Historical population
Census Pop. %±
1840914—
185015,3171,575.8%
186030,43898.7%
187034,04011.8%
188032,156−5.5%
189033,5304.3%
190034,7893.8%
191034,306−1.4%
192035,0222.1%
193036,7855.0%
194038,8685.7%
195043,06910.8%
196050,09416.3%
197060,06019.9%
198066,15210.1%
199067,7832.5%
200074,0219.2%
201083,68613.1%
Est. 201584,559[6]1.0%
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. The County Board elects a chairman, vice-chairman, and second vice-chairman.

Communities

Cities

Villages

Towns

Census-designated places

Unincorporated communities

See also

References

  1. 1 2 "State & County QuickFacts". United States Census Bureau. Retrieved January 21, 2014.
  2. ↑ "Find a County". National Association of Counties. Retrieved 2011-06-07.
  3. ↑ "Wisconsin: Individual County Chronologies". Wisconsin Atlas of Historical County Boundaries. The Newberry Library. 2007. Retrieved August 14, 2015.
  4. ↑ "Term: Jefferson County [origin of place name]" in Dictionary of Wisconsin History.
  5. ↑ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved August 5, 2015.
  6. ↑ "County Totals Dataset: Population, Population Change and Estimated Components of Population Change: April 1, 2010 to July 1, 2015". Retrieved July 2, 2016.
  7. ↑ "U.S. Decennial Census". United States Census Bureau. Retrieved August 5, 2015.
  8. ↑ "Historical Census Browser". University of Virginia Library. Retrieved August 5, 2015.
  9. ↑ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved August 5, 2015.
  10. ↑ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved August 5, 2015.
  11. ↑ "American FactFinder". United States Census Bureau. Retrieved 2011-05-14.
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Coordinates: 43°01′N 88°47′W / 43.02°N 88.78°W / 43.02; -88.78

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