Jefferson County is a

county A county is a geographic region of a country used for administrative or other purposes Chambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...

in the U.S. state of

Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...

. As of the 2020 census, the population was 84,900. Its

county seat A county seat is an administrative center, seat of government, or capital city of a county or civil parish. The term is in use in Canada, China, Hungary, Romania, Taiwan, and the United States. The equivalent term shire town is used in the US ...

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

Milwaukee Milwaukee ( ), officially the City of Milwaukee, is both the most populous and most densely populated city in the U.S. state of Wisconsin and the county seat of Milwaukee County. With a population of 577,222 at the 2020 census, Milwaukee i ...

Racine Jean-Baptiste Racine ( , ) (; 22 December 163921 April 1699) was a French dramatist, one of the three great playwrights of 17th-century France, along with Molière and Corneille as well as an important literary figure in the Western traditi ...

- Waukesha, WI

Combined Statistical Area Combined statistical area (CSA) is a United States Office of Management and Budget (OMB) term for a combination of adjacent metropolitan statistical area, metropolitan (MSA) and micropolitan statistical areas (µSA) across the 50 US states and ...

History

Jefferson County was created in 1836 as part of

Wisconsin Territory The Territory of Wisconsin was an organized incorporated territory of the United States that existed from July 3, 1836, until May 29, 1848, when an eastern portion of the territory was admitted to the Union as the State of Wisconsin. Belmont was ...

and was organized in 1839. Jefferson County was founded by "Yankee" settlers from

New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and by the Canadian provinces ...

. It was named after

Jefferson County, New York Jefferson County is a county on the northern border of the U.S. state of New York. As of the 2020 census, the population was 116,721. Its county seat is Watertown. The county is named after Thomas Jefferson, third President of the United St ...

, where some of the original settlers came from. The town of Watertown, Wisconsin, was named after

Watertown, New York Watertown is a city in, and the county seat of, Jefferson County, New York, United States. It is approximately south of the Thousand Islands, along the Black River about east of where it flows into Lake Ontario. The city is bordered by th ...

, in

Geography

According to the

U.S. Census Bureau The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of the ...

, the county has an area of , of which is land and (4.5%) is water.

Major highways

Railroads

Canadian Pacific The Canadian Pacific Railway (french: Chemin de fer Canadien Pacifique) , also known simply as CPR or Canadian Pacific and formerly as CP Rail (1968–1996), is a Canadian Class I railway incorporated in 1881. The railway is owned by Canadi ...

Union Pacific The Union Pacific Railroad , legally Union Pacific Railroad Company and often called simply Union Pacific, is a freight-hauling railroad that operates 8,300 locomotives over routes in 23 U.S. states west of Chicago and New Orleans. Union Pac ...

Wisconsin and Southern Railroad The Wisconsin and Southern Railroad is a Class II regional railroad in Southern Wisconsin and Northeastern Illinois currently operated by Watco. It operates former Chicago, Milwaukee, St. Paul and Pacific Railroad (Milwaukee Road) and Chicag ...

Buses

* List of intercity bus stops in 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

As of the census of 2020, the population was 84,900. The

population density Population density (in agriculture: standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geographical term.Matt RosenberPopu ...

was . There were 36,376 housing units at an average density of . The racial makeup of the county was 88.5%

White White is the lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light. White ...

, 1.0%

Black Black is a color which results from the absence or complete absorption of visible light. It is an achromatic color, without hue, like white and grey. It is often used symbolically or figuratively to represent darkness. Black and white ha ...

African American African Americans (also referred to as Black Americans and Afro-Americans) are an ethnic group consisting of Americans with partial or total ancestry from sub-Saharan Africa. The term "African American" generally denotes descendants of ens ...

, 0.8% Asian, 0.4% Native American, 3.4% from other races, and 5.8% from two or more races. Ethnically, the population was 8.3%

Hispanic The term ''Hispanic'' ( es, hispano) refers to people, cultures, or countries related to Spain, the Spanish language, or Hispanidad. The term commonly applies to countries with a cultural and historical link to Spain and to viceroyalties for ...

or Latino of any race. As of the

census A census is the procedure of systematically acquiring, recording and calculating information about the members of a given population. This term is used mostly in connection with national population and housing censuses; other common censuses inc ...

of 2010, there were 83,686 people, 32,117 households, and 21,872 families residing in the county. The

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%

, 0.28%

, 0.34% Native American, 0.45% Asian, 0.02%

Pacific Islander Pacific Islanders, Pasifika, Pasefika, or rarely Pacificers are the peoples of the Pacific Islands. As an ethnic/ racial term, it is used to describe the original peoples—inhabitants and diasporas—of any of the three major subregions of O ...

, 1.65% from other races, and 0.93% from two or more races. 4.09% of the population were

or Latino of any race. 55.1% were of

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...

, 6.1% Norwegian, 6.0% Irish and 5.1%

American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...

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 Marriage, also called matrimony or wedlock, is a culturally and often legally recognized union between people called spouses. It establishes rights and obligations between them, as well as between them and their children, and between ...

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. The

Dwight Foster Public Library Dwight Foster Public Library is a public library in Fort Atkinson, Wisconsin. Established in 1892, the Foster Library serves Fort Atkinson and surrounding communities. The total service population was 21,829 in 2016. The library serves as the ...

, which serves as the resource library for the county, had a total service population of 19,095 in 2010. It is a member of the

Bridges Library System The Bridges Library System is a consortium of 24 public libraries in Waukesha County, Wisconsin and Jefferson County, Wisconsin. The Bridges Library System is one of 16 public library systems in Wisconsin. The system was established under Wisconsin ...

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 Nonpartisanism is a lack of affiliation with, and a lack of bias towards, a political party. While an Oxford English Dictionary definition of ''partisan'' includes adherents of a party, cause, person, etc., in most cases, nonpartisan refers s ...

election. The County Board is responsible for the county administrator. 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.

Communities

Jefferson County Wisconsin Fairgrounds Grandstand

Jefferson County Wisconsin Fairgrounds sign

Cities

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

Whitewater Whitewater forms in a rapid context, in particular, when a river's gradient changes enough to generate so much turbulence that air is trapped within the water. This forms an unstable current that froths, making the water appear opaque and ...

(mostly in Walworth County)

Villages

Cambridge Cambridge ( ) is a university city and the county town in Cambridgeshire, England. It is located on the River Cam approximately north of London. As of the 2021 United Kingdom census, the population of Cambridge was 145,700. Cambridge bec ...

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

Palmyra Palmyra (; Palmyrene: () ''Tadmor''; ar, تَدْمُر ''Tadmur'') is an ancient city in present-day Homs Governorate, Syria. Archaeological finds date back to the Neolithic period, and documents first mention the city in the early secon ...

* Sullivan

Towns

Aztalan Aztalan State Park is a Wisconsin state park in the Town of Aztalan, Jefferson County. Established in 1952, it was designated a National Historic Landmark in 1964 and added to the National Register of Historic Places in 1966. The park covers ...

* Cold Spring *

Concord Concord may refer to: Meaning "agreement" * Pact or treaty, frequently between nations (indicating a condition of harmony) * Harmony, in music * Agreement (linguistics), a change in the form of a word depending on grammatical features of other ...

* Farmington *

Hebron Hebron ( ar, الخليل or ; he, חֶבְרוֹן ) is a Palestinian. city in the southern West Bank, south of Jerusalem. Nestled in the Judaean Mountains, it lies above sea level. The second-largest city in the West Bank (after Eas ...

* Ixonia * Jefferson * Koshkonong * Lake Mills * Milford *

Oakland Oakland is the largest city and the county seat of Alameda County, California, United States. A major West Coast port, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, the third largest city overall in the Bay ...

* Sullivan * Sumner * Waterloo * Watertown

Census-designated places

* Helenville * Ixonia * Lake Koshkonong * Lake Ripley *

Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus ( legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...

Unincorporated communities

* Blackhawk Island * Busseyville * Carcajou * Cold Spring *

* Ebenezer * Farmington * Glenn Oaks Beach *

Heath Mills A heath () is a shrubland habitat found mainly on free-draining infertile, acidic soils and characterised by open, low-growing woody vegetation. Moorland is generally related to high-ground heaths with—especially in Great Britain—a cooler a ...

* Hoopers Mill * Hubbleton * Jefferson Junction * Koshkonong (partial) * Koshkonong Manor * Koshkonong Mounds * Kroghville * Lake Lac La Belle *

London London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary dow ...

(partial) * Maranatha Baptist University (College Campus) * Milford * North Shore *

* Pipersville * Portland (partial) * Slabtown * Sylvan Mounds * Vinnie Ha Ha

Education

School districts (all K-12) include:
Text list
/ref> * Cambridge School District * Edgerton School District *

Fort Atkinson School District A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere' ...

* Jefferson School District *

Johnson Creek School District Johnson is a surname of Anglo-Norman origin meaning "Son of John". It is the second most common in the United States and 154th most common in the world. As a common family name in Scotland, Johnson is occasionally a variation of ''Johnston'', a ...

* Kettle Moraine School District * Lake Mills Area School District * Oconomowoc Area School District *

Palmyra-Eagle Area School District The Palmyra-Eagle Area School District is a school district in the U.S. state of Wisconsin that serves Jefferson, Walworth, and Waukesha counties. The district serves students from the villages of Palmyra and Eagle and the towns of Pal ...

* Waterloo School District * Watertown School District *

Whitewater School District Whitewater forms in a rapid context, in particular, when a river's gradient changes enough to generate so much turbulence that air is trapped within the water. This forms an unstable current that froths, making the water appear opaque and w ...

References

External links

Jefferson County

''Daily Jefferson County Union''
newspaper {{coord, 43.02, -88.78, display=title, type:adm2nd_region:US-WI_source:UScensus1990 1839 establishments in Wisconsin Territory Populated places established in 1839