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 In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...

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 st ...

is Jefferson. Jefferson County comprises the

Watertown Watertown may refer to: Places in China In China, a water town is a type of ancient scenic town known for its waterways. Places in the United States *Watertown, Connecticut, a New England town **Watertown (CDP), Connecticut, the central village ...

- 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 ...

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 (MSA) and micropolitan statistical areas (µSA) across the 50 US states and the territory of Puerto Ric ...

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 (state), New York to the west and by the Can ...

. 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 Watertown is a city in Dodge and Jefferson counties in the U.S. state of Wisconsin. Most of the city's population is in Jefferson County. Division Street, several blocks north of downtown, marks the county line. The population of Watertown was 2 ...

, 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 Chicago ...

Buses

List of intercity bus stops in Wisconsin The following is a list of presently operating intercity bus stops in Wisconsin with regular service. The list excludes charter buses, local transit buses, paratransit systems, and trolleybus systems. The following companies provide intercity bus se ...

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 Waukesha County () is a county in the U.S. state of Wisconsin. As of the 2020 United States Census, the population was 406,978, making it the third-most populous county in Wisconsin. Its county seat and largest city is Waukesha. Waukesha Co ...

- east * Walworth County - southeast * Rock County - southwest *

Dane County Dane County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 561,504, making it the second-most populous county in Wisconsin. The county seat is Madison, which is also the state capital. Dane County is the ...

- west

Demographics

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

population density Population density (in agriculture: Stock (disambiguation), 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 ...

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 o ...

, 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 ...

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 Asian may refer to: * Items from or related to the continent of Asia: ** Asian people, people in or descending from Asia ** Asian culture, the culture of the people from Asia ** Asian cuisine, food based on the style of food of the people from Asi ...

, 0.4% Native American, 3.4% from

other races Other often refers to: * Other (philosophy), a concept in psychology and philosophy Other or The Other may also refer to: Film and television * ''The Other'' (1913 film), a German silent film directed by Max Mack * ''The Other'' (1930 film), a ...

, 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 forme ...

Latino Latino or Latinos most often refers to: * Latino (demonym), a term used in the United States for people with cultural ties to Latin America * Hispanic and Latino Americans in the United States * The people or cultures of Latin America; ** Latin A ...

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 in ...

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%

, 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

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

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 Norwegian, Norwayan, or Norsk may refer to: *Something of, from, or related to Norway, a country in northwestern Europe * Norwegians, both a nation and an ethnic group native to Norway * Demographics of Norway *The Norwegian language, including ...

, 6.0%

Irish Irish may refer to: Common meanings * Someone or something of, from, or related to: ** Ireland, an island situated off the north-western coast of continental Europe ***Éire, Irish language name for the isle ** Northern Ireland, a constituent unit ...

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. The Dwight Foster Public Library, 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.

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 Lyndon Baines Johnson (; August 27, 1908January 22, 1973), often referred to by his initials LBJ, was an American politician who served as the 36th president of the United States from 1963 to 1969. He had previously served as the 37th vice ...

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 *

(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 College town, 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. Cam ...

(mostly in

) * Johnson Creek * Lac La Belle (mostly in

) *

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 * 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 Farmington may refer to: Places Canada *Farmington, British Columbia * Farmington, Nova Scotia (disambiguation) United States *Farmington, Arkansas *Farmington, California *Farmington, Connecticut *Farmington, Delaware * Farmington, Georgia * ...

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 *

* Sullivan * Sumner * Waterloo *

Census-designated places

* Helenville * Ixonia *

Lake Koshkonong Lake Koshkonong is a naturally occurring lake that acts as a reservoir in southern Wisconsin. Its size was augmented by the creation of the Indianford Dam in 1932, making it one of the larger lakes in the state. The lake lies along the Rock Rive ...

* 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

* Aztalan * Blackhawk Island * Busseyville * Carcajou * Cold Spring *

Ebenezer Ebenezer may refer to: Bible * Eben-Ezer, a place mentioned in the Books of Samuel People * Ebenezer (given name), a male given name Places Australia * Ebenezer, New South Wales * Ebenezer, Queensland, a locality in the City of Ipswich * Ebene ...

* 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 coole ...

* 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 Maranatha Baptist University is a private Baptist university in Watertown, Wisconsin. History The institution was founded in 1968 as Maranatha Baptist Bible College by B. Myron Cedarholm. The college was named for the Aramaic phrase '' Maran ...

(College Campus) * Milford * North Shore * Oakland * Pipersville *

Portland Portland most commonly refers to: * Portland, Oregon, the largest city in the state of Oregon, in the Pacific Northwest region of the United States * Portland, Maine, the largest city in the state of Maine, in the New England region of the northeas ...

(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 * Jefferson School District * Johnson Creek School District * Kettle Moraine School District * Lake Mills Area School District *

Oconomowoc Area School District Oconomowoc Area School District is a school district headquartered in Oconomowoc, Wisconsin. , the district has 5,300 students. History The current () district superintendent is Kristen Taylor, superseding Roger Rindo, who served from July 2013 ...

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 Palmyra, ...

* Waterloo School District * Watertown School District * Whitewater School District

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