Jefferson County , Wisconsin

Jefferson County: County in Wisconsin, United States

About

Jefferson County is a county located in the U.S. state of Wisconsin. As of the 2010 census, the population was 83,686 and a population density of 55 people per km². After 10 years in 2020 county had an estimated population of 85,038 inhabitants. Its county seat is Jefferson. The county was created 186 years ago in 1835.

Jefferson County Quick Facts

Population : 85,038 (2020)
Country : United States of America
State : Wisconsin (United States)
Area : 1509 km2
Water as percent of area : 4.5%
Land as percent of area : 95.5%
Named for : Thomas Jefferson
Capital : Jefferson
Establishment : January 01, 1836
Time Zone : America/Chicago
Local time : 20:14:02 (23rd May 2022)
Density : 56 Pop. per km² as of 2020
Population growth : 1.59% (2010-2020)
Jefferson County locator map
Location of Jefferson County on Wisconsin map.
JeffersonCountyCourthouseWIS26 image
JeffersonCountyCourthouseWIS26
JeffersonCountyCourthouseWIS26 image

Geography

Jefferson County is located at 43°1'15"N 88°46'33"W (43.0208200, -88.7758700). It has 5 neighbors: Dane County, Dodge County, Rock County, Walworth County and Waukesha County.

Jefferson County map

The largest city of Jefferson County is Fort Atkinson with a population of 12,372. Other cities include, Johnson Creek population 3,065, Lake Mills population 2,135, Watertown population 2,039 and Jefferson population 1,225. See all Jefferson County cities & populated places.

Jefferson County Populated Places (more)

Cities, Towns, Neighborhoods & Other Populated Places in Jefferson County.

City Name Population Title
Fort Atkinson 12,372 City in Jefferson County, Wisconsin, United States of America
Ixonia 4,562 Town of Wisconsin
Farmington 3,848 Town in Jefferson County, Wisconsin, United States
Johnson Creek 3,065 City in Jefferson County, Wisconsin, United States of America
Rome 2,784 Census-designated place in Jefferson County, Wisconsin, United States
Sullivan 2,299 Village in Jefferson County, Wisconsin
Lake Mills 2,135 City in Iowa, USA
Concord 2,130 Town in Wisconsin, United States
Watertown 2,039 City in Jefferson County, New York
Lake Ripley 1,779 Census designated place
Aztalan 1,493 Civil town in Jefferson County, Wisconsin
Jefferson 1,225 City in and county seat of Jefferson County, Wisconsin
Palmyra 1,219 Civil town in Jefferson County, Wisconsin
Lake Koshkonong 1,204 Census designated place
Milford 1,135 City in Jefferson County, Wisconsin, United States of America
Hebron 1,132 Town of Wisconsin

Jefferson County has 5 neighbours.

  • Jefferson

Demographics

The population of Jefferson County increased by 1.59% in 10 years.

Year Population % Change Method
2010 83,686 - census
2011 83,846 0.19% estimation process
2012 84,359 0.61% estimation process
2013 84,604 0.29% estimation process
2014 84,361 -0.29% estimation process
2015 84,488 0.15% estimation process
2016 84,464 -0.03% estimation process
2017 84,733 0.32% estimation process
2018 85,049 0.37% estimation process
2019 84,769 -0.33% estimation process
2020 85,038 0.32% estimation process

Comitatul Jefferson, Comte de Jefferson, Comté de Jefferson, Condado de Jefferson, Condado han Jefferson, Contea di Jefferson, Dzhefersun, Dzhefferson, Hrabstwo Jefferson, Jefferson, Jefferson Comitatus, Jefferson Kun, Jefferson Kūn, Jefferson konderria, Jefferson megye, Jeffersoni maakond, Okrug DZeferson, Quan Jefferson, Quận Jefferson, jefason jun, jepharasana ka'unti, jie fu xun xian, shhrstan jfrswn wyskansyn, Джеферсън, Джефферсон, Округ Џеферсон, جیفرسن کاؤنٹی، وسکونسن, شهرستان جفرسون، ویسکانسین, مقاطعة جيفرسون, জেফারশন কাউন্টি, ジェファーソン郡, 傑佛遜縣

People born in Jefferson County (4)

People born in Jefferson County, including writer-actor Meinhardt Raabe, poet Lorine Niedecker, Chick Agnew, .

List

Other places with the same name (25)

Wisconsin Other Counties (more counties)

County Name Population Title
Milwaukee County 945,016 County in Wisconsin, United States
Milwaukee 589,067 City in and county seat of Milwaukee County, Wisconsin, United States
Dane County 552,536 County in Wisconsin, United States
Waukesha County 406,172 County in Wisconsin, United States
Brown County 264,610 County in Texas, United States
Racine County 195,802 County in Wisconsin, United States
Outagamie County 188,766 County in Wisconsin, United States
Winnebago County 171,631 County in Wisconsin, United States
Kenosha County 169,671 County in Wisconsin, United States
Rock County 163,084 County in Wisconsin, United States
Washington County 136,445 County in Wisconsin, United States
Marathon County 135,593 County in Wisconsin, United States
La Crosse County 118,502 County in Wisconsin, United States
Sheboygan County 115,240 County in Wisconsin, United States
Eau Claire County 105,260 County in Wisconsin, United States
Walworth County 103,953 County in Wisconsin, United States