Jefferson County, Wisconsin

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Jefferson County
U.S. county
Jefferson County courthouse
Jefferson County courthouse
Map of Wisconsin highlighting Jefferson County
Location within the U.S. state of Wisconsin
Map of the United States highlighting Wisconsin
Wisconsin's location within the U.S.
Coordinates: 43°01′N 88°47′W / 43.02°N 88.78°W / 43.02; -88.78
Country United States
State Wisconsin
Founded1839
Named forJefferson County, New York
SeatJefferson
Largest cityWatertown
Area
 • Total583 sq mi (1,510 km2)
 • Land556 sq mi (1,440 km2)
 • Water26 sq mi (70 km2)  4.5%
Population
 (2010)
 • Total83,686
 • Estimate 
(2020)
85,038
 • Density140/sq mi (55/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district5th
Websitewww.jeffersoncountywi.gov

Jefferson County is a county 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 was organized in 1839.[3] Jefferson County was founded by "Yankee" settlers from New England.[4] It was named after Jefferson County, New York, where some of the original settlers came from.[5] The town of Watertown, Wisconsin, was named after Watertown, New York, in Jefferson County, New York.

Geography[]

Soils of Jefferson County

According to the U.S. Census Bureau, the county has an 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.[6]

Major highways[]

Airports[]

Adjacent counties[]

Demographics[]

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%
2020 (est.)85,038[7]1.6%
U.S. Decennial Census[8]
1790–1960[9] 1900–1990[10]
1990–2000[11] 2010–2020[1]
2000 Census Age Pyramid for Jefferson County

As of the census[12] 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 county's racial makeup 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.

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.

In 2017, there were 861 births, giving a general fertility rate of 53.7 births per 1000 women aged 15–44, the eleventh lowest rate out of all 72 Wisconsin counties.[13]

The Dwight Foster Public Library, which serves as the resource library for the county,[14] had a total service population of 19,095 in 2010.[15] It is a member of the Bridges Library System.

Government[]

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.

Politics[]

Jefferson County has been primarily Republican since 1940. Only three Democratic presidential candidates have won the county since then, in 1964, 1996, and 2008. Lyndon B. Johnson in 1964 is the last Democratic Party candidate to win a majority of the county's votes.

Presidential election results

Communities[]

Grandstands at the county fairgrounds in Jefferson
Sign at fairgrounds

Cities[]

Villages[]

Towns[]

Census-designated places[]

Unincorporated communities[]

See also[]

References[]

  1. ^ Jump up to: a b "State & County QuickFacts". United States Census Bureau. Archived from the original on June 6, 2011. Retrieved January 21, 2014.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. ^ "Wisconsin: Individual County Chronologies". Wisconsin Atlas of Historical County Boundaries. The Newberry Library. 2007. Archived from the original on April 14, 2017. Retrieved August 14, 2015.
  4. ^ https://www.arcadiapublishing.com/Products/9780738503073
  5. ^ "Term: Jefferson County [origin of place name]" in Dictionary of Wisconsin History.
  6. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved August 5, 2015.
  7. ^ "County Population Totals: 2010-2020". Retrieved June 20, 2021.
  8. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved August 5, 2015.
  9. ^ "Historical Census Browser". University of Virginia Library. Retrieved August 5, 2015.
  10. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved August 5, 2015.
  11. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved August 5, 2015.
  12. ^ "U.S. Census website". United States Census Bureau. Retrieved May 14, 2011.
  13. ^ "Annual Wisconsin Birth and Infant Mortality Report, 2017 P-01161-19 (June 2019): Detailed Tables". Archived from the original on June 19, 2019. Retrieved June 19, 2019.
  14. ^ "Jefferson County Library Service". Archived from the original on May 17, 2012. Retrieved 24 April 2012.
  15. ^ "Wisconsin Public Library Service Data, 2010" (PDF). Department of Public Instruction. Archived from the original (PDF) on March 6, 2012.
  16. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved November 11, 2020.

External links[]

Coordinates: 43°01′N 88°47′W / 43.02°N 88.78°W / 43.02; -88.78

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