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JEFFERSON COUNTY is a county in the U.S. state
U.S. state
of Wisconsin
Wisconsin
. As of the 2010 census , the population was 83,686. Its county seat is Jefferson .

Jefferson County comprises the Watertown -Fort Atkinson , WI Micropolitan Statistical Area
Micropolitan Statistical Area
, which is also included in the Milwaukee
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 Communities

* 5.1 Cities * 5.2 Villages * 5.3 Towns * 5.4 Census-designated places * 5.5 Unincorporated communities

* 6 See also * 7 References * 8 External links

HISTORY

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

GEOGRAPHY

Soils of Jefferson County

According to the U.S. Census Bureau
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.

MAJOR HIGHWAYS

* Interstate 94 * U.S. Highway 12 * U.S. Highway 18
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

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

ADJACENT COUNTIES

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

DEMOGRAPHICS

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

1.1%

U.S. Decennial Census
Census
1790–1960 1900–1990 1990–2000 2010–2014

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 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, had a total service population of 19,095 in 2010.

GOVERNMENT

PRESIDENTIAL ELECTIONS RESULTS 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

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

Grandstands at the county fairgrounds in Jefferson Sign at fairgrounds

CITIES

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

VILLAGES

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

TOWNS

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

CENSUS-DESIGNATED PLACES

* Hebron * Helenville * Ixonia * Lake Koshkonong * Lake Ripley * Rome

UNINCORPORATED COMMUNITIES

* 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

* National Register of Historic Places listings in Jefferson County, Wisconsin
Wisconsin

REFERENCES

* ^ A B "State & County QuickFacts". United States
United States
Census
Census
Bureau. 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
Newberry Library
. 2007. Retrieved August 14, 2015. * ^ "Term: Jefferson County " 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 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. * ^