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Jefferson County is a county in the U.S. state
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.

Contents

1 History 2 Geography

2.1 Major highways 2.2 Airports 2.3 Adjacent counties

3 Demographics 4 Government 5 Politics 6 Communities

6.1 Cities 6.2 Villages 6.3 Towns 6.4 Census-designated places 6.5 Unincorporated communities

7 See also 8 References 9 External links

History[edit] Jefferson County was created in 1836 as part of Wisconsin
Wisconsin
Territory and was organized in 1839.[3] It was named after Jefferson County, New York, where some of the original settlers came from.[4] The town of Watertown, Wisconsin
Wisconsin
was named after Watertown, New York
Watertown, New York
in Jefferson County, New York. Geography[edit]

Soils of Jefferson County

According to the U.S. Census
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.[5] Major highways[edit]

Interstate 94 U.S. Highway 12 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)

Airports[edit]

Watertown Municipal Airport (KRYV) provides services for the county and surrounding communities. Fort Atkinson Municipal Airport
Fort Atkinson Municipal Airport
(61C), enhances county service.

Adjacent counties[edit]

Dodge County - north Waukesha County - east Walworth County - southeast Rock County - southwest Dane County - west

Demographics[edit]

2000 Census
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. 2016 84,625 [6] 1.1%

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 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 according to Census
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 Dwight Foster Public Library, which serves as the resource library for the county, [12] had a total service population of 19,095 in 2010.[13] Government[edit] 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[edit]

Presidential election results[14]

Year Republican Democratic Third parties

2016 54.3% 23,417 38.4% 16,569 7.3% 3,123

2012 53.1% 23,517 45.5% 20,158 1.4% 606

2008 48.9% 21,096 49.7% 21,448 1.4% 622

2004 56.5% 23,776 42.6% 17,925 1.0% 414

2000 53.2% 19,204 42.1% 15,203 4.7% 1,692

1996 42.6% 12,681 44.3% 13,188 13.1% 3,905

1992 39.9% 13,072 35.3% 11,593 24.8% 8,137

1988 54.3% 14,309 44.9% 11,816 0.8% 217

1984 61.8% 17,780 37.5% 10,788 0.8% 216

1980 53.9% 16,174 37.8% 11,335 8.3% 2,491

1976 53.9% 15,528 43.7% 12,577 2.5% 707

1972 59.5% 14,621 37.8% 9,303 2.7% 663

1968 55.0% 12,478 38.4% 8,716 6.6% 1,504

1964 39.6% 8,741 60.2% 13,295 0.2% 48

1960 61.6% 14,133 38.2% 8,757 0.2% 39

1956 67.0% 13,357 32.4% 6,452 0.6% 122

1952 66.9% 13,884 32.9% 6,827 0.2% 32

1948 52.4% 8,244 46.1% 7,256 1.5% 228

1944 59.2% 10,245 40.4% 6,988 0.5% 84

1940 56.0% 10,178 43.2% 7,842 0.8% 149

1936 32.3% 5,599 64.3% 11,144 3.4% 581

1932 30.8% 5,062 68.3% 11,230 1.0% 156

1928 57.3% 8,612 41.9% 6,305 0.8% 116

1924 31.2% 4,250 10.1% 1,374 58.7% 7,987

1920 80.4% 8,865 16.7% 1,844 2.9% 320

1916 49.6% 3,785 47.7% 3,645 2.7% 206

1912 27.4% 1,926 62.4% 4,381 10.2% 714

1908 40.4% 3,207 56.6% 4,492 2.9% 233

1904 47.7% 3,669 49.1% 3,778 3.2% 249

1900 46.3% 3,729 51.2% 4,127 2.6% 207

1896 52.6% 4,344 42.4% 3,504 5.0% 409

1892 35.4% 2,679 61.5% 4,661 3.1% 235

Communities[edit]

Grandstands at the county fairgrounds in Jefferson

Sign at fairgrounds

Cities[edit]

Fort Atkinson Jefferson (county seat) Lake Mills Waterloo Watertown (partly in Dodge County) Whitewater (mostly in Walworth County)

Villages[edit]

Cambridge (mostly in Dane County) Johnson Creek Lac La Belle (mostly in Waukesha County) Palmyra Sullivan

Towns[edit]

Aztalan Cold Spring Concord Farmington Hebron Ixonia Jefferson Koshkonong Lake Mills Milford Oakland Palmyra Sullivan Sumner Waterloo Watertown

Census-designated places[edit]

Hebron Helenville Ixonia Lake Koshkonong Lake Ripley Rome

Unincorporated communities[edit]

Aztalan Blackhawk Island Busseyville Carcajou Cold Spring Concord Ebenezer Farmington Glenn Oaks Beach Heath Mills Hoopers Mill Hubbleton Jefferson Junction Koshkonong (partial) Koshkonong Manor Koshkonong Mounds Kroghville Lake Lac La Belle London (partial) Milford North Shore Oakland Pipersville Portland (partial) Slabtown Sylvan Mounds Vinnie Ha Ha

See also[edit]

National Register of Historic Places listings in Jefferson County, Wisconsin

References[edit]

^ a b "State & County QuickFacts". United States
United States
Census
Census
Bureau. Archived from the original on July 12, 2011. Retrieved January 21, 2014.  ^ "Find a County". National Association of Counties. Archived from the original on 2011-05-31. Retrieved 2011-06-07.  ^ "Wisconsin: Individual County Chronologies". Wisconsin
Wisconsin
Atlas of Historical County Boundaries. The Newberry Library. 2007. Retrieved August 14, 2015.  ^ "Term: Jefferson County [origin of place name]" in Dictionary of Wisconsin
Wisconsin
History. ^ "2010 Census
Census
Gazetteer Files". United States
United States
Census
Census
Bureau. August 22, 2012. Retrieved August 5, 2015.  ^ "Population and Housing Unit Estimates". Retrieved June 9, 2017.  ^ "U.S. Decennial Census". United States
United States
Census
Census
Bureau. Archived from the original on May 12, 2015. Retrieved August 5, 2015.  ^ "Historical Census
Census
Browser". University of Virginia Library. Retrieved August 5, 2015.  ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States
United States
Census
Census
Bureau. Retrieved August 5, 2015.  ^ " Census
Census
2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States
United States
Census
Census
Bureau. April 2, 2001. Retrieved August 5, 2015.  ^ "American FactFinder". United States
United States
Census
Census
Bureau. Retrieved 2011-05-14.  ^ "Jefferson County Library Service". Retrieved 24 April 2012.  ^ " Wisconsin
Wisconsin
Public Library Service Data, 2010" (PDF). Department of Public Instruction. Archived from the original (PDF) on 2012-03-06.  ^ http://uselectionatlas.org/RESULTS

External links[edit]

Wikimedia Commons has media related to Jefferson County, Wisconsin.

Jefferson County Daily Jefferson County Union newspaper

Places adjacent to Jefferson County, Wisconsin

Dodge County

Dane County

Jefferson County, Wisconsin

Waukesha County

Rock County

Walworth County

v t e

Municipalities and communities of Jefferson County, Wisconsin, United States

County seat: Jefferson

Cities

Fort Atkinson Jefferson Lake Mills Waterloo Watertown‡ Whitewater‡

Villages

Cambridge‡ Johnson Creek Lac La Belle‡ Palmyra Sullivan

Towns

Aztalan Cold Spring Concord Farmington Hebron Ixonia Jefferson Koshkonong Lake Mills Milford Oakland Palmyra Sullivan Sumner Waterloo Watertown

CDPs

Hebron Helenville Ixonia Lake Koshkonong Lake Ripley Rome

Unincorporated communities

Aztalan Blackhawk Island Breezy Knoll Busseyville Carcajou Cold Spring Concord Ebenezer Farmington Glenn Oaks Beach Grellton Heath Mills Hoopers Mill Hubbleton Jefferson Junction Koshkonong‡ Koshkonong Manor Koshkonong Mounds Kroghville Lake Lac La Belle London‡ Milford North Shore Oak Hill Oakland Pipersville Portland‡ Slabtown Sylvan Mounds Vinnie Ha Ha

Footnotes

‡This populated place also has portions in an adjacent county or counties

v t e

 State of Wisconsin

Madison (capital)

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Society

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Regions

Apostle Islands Central Plain Central Wisconsin Chippewa Valley Door Peninsula Driftless Area Eastern Ridges and Lowlands Fox River Valley Great River Road Lake Superior Lowland Northern Highland Western Upland

Major metropolitan areas (pop. over 500,000)

Chicago metropolitan area Madison metropolitan area Milwaukee
Milwaukee
metropolitan area Twin Cities metropolitan area

Largest cities (pop. over 50,000)

Appleton Eau Claire Green Bay Janesville Kenosha La Crosse Madison Milwaukee Oshkosh Racine Waukesha West Allis

Smaller cities (pop. 15,000 to 50,000)

Beaver Dam Beloit Brookfield Cudahy De Pere Fitchburg Fond du Lac Franklin Greenfield Hudson Kaukauna Manitowoc Marshfield Menasha Menomonie Mequon Middleton Muskego Neenah New Berlin Oak Creek Oconomowoc Onalaska River Falls Sheboygan South Milwaukee Stevens Point Sun Prairie Superior Watertown Wausau Wauwatosa West Bend Wisconsin
Wisconsin
Rapids

Largest villages (pop. over 15,000)

Ashwaubenon Caledonia Germantown Howard Menomonee Falls Mount Pleasant Pleasant Prairie

Counties

Adams Ashland Barron Bayfield Brown Buffalo Burnett Calumet Chippewa Clark Columbia Crawford Dane Dodge Door Douglas Dunn Eau Claire Florence Fond du Lac Forest Grant Green Green Lake Iowa Iron Jackson Jefferson Juneau Kenosha Kewaunee La Crosse Lafayette Langlade Lincoln Manitowoc Marathon Marinette Marquette Menominee Milwaukee Monroe Oconto Oneida Outagamie Ozaukee Pepin Pierce Polk Portage Price Racine Richland Rock Rusk Sauk Sawyer Shawano Sheboygan St. Croix Taylor Trempealeau Vernon Vilas Walworth Washburn Washington Waukesha Waupaca Waushara Winnebago Wood

Coordinates: 43°01′N 88°47′W / 43.02°N 88.78°W / 4

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