Waukesha County, Wisconsin

Waukesha County: County in Wisconsin, United States

About

Waukesha County is a county located in the U.S. state of Wisconsin. As of the 2010 census, the population was 389,891 and a population density of 671 people per km². After 10 years in 2020 county had an estimated population of 406,172 inhabitants. Its county seat is Waukesha. The county was created 179 years ago in 1845.

Waukesha County locator map
Location of Waukesha County on Wisconsin map.

Quick Facts about Waukesha County

Population : 406,172 (2020)
Country : United States of America
State : Wisconsin (United States)
Area : 581 km2
Altitude : 997 feet / 304 meters
Capital : Waukesha
Establishment : January 01, 1846
Time Zone : America/Chicago
Local time : 02:32:54 (22nd February 2025)
Density : 699 Pop. per km² as of 2020
Population growth : 4.01% (2010-2020)
Waukesha courthouse image
Waukesha courthouse
Waukesha courthouse image
Waukesha courthouse image

Geography

Waukesha County is located at 43°1'5"N 88°18'16"W (43.0181900, -88.3045300). It has 7 neighbors: Dodge County, Jefferson County, Milwaukee County, Ozaukee County, Racine County, Walworth County and Washington County.

Waukesha County map

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The largest city of Waukesha County is New Berlin with a population of 39,812. Other cities include, Menomonee Falls population 38,243, Muskego population 25,317, Waukesha population 8,939 and Delafield population 8,935. See all Waukesha County cities & populated places.

Waukesha County Populated Places (more)

Cities, towns, neighborhoods & other populated places in Waukesha County.

City Name Population Title
New Berlin 39,812 A city in Waukesha County, Wisconsin.
Menomonee Falls 38,243 City in Waukesha County, Wisconsin, United States of America
Muskego 25,317 Third-class city in Waukesha County, Wisconsin
Sussex 11,086 Village in Waukesha County, Wisconsin
Hartland 9,338 Village in Wisconsin, United States
Waukesha 8,939 City in and county seat of Waukesha County, Wisconsin, United States
Delafield 8,935 Fourth-class city in Waukesha County, Wisconsin, United States
Oconomowoc 8,767 City in Waukesha County, Wisconsin, United States
Merton 8,649 Village in Waukesha, Wisconsin, United States
Mukwonago 8,163 Village in Waukesha County, Wisconsin
Pewaukee 8,099 Third-class city in Waukesha County, Wisconsin, United States
Vernon 7,670 Town in Waukesha County, Wisconsin, United States
Genesee 7,341 Civil town in Waukesha County, Wisconsin, United States
Brookfield 6,518 City in Waukesha County, Wisconsin, United States
Elm Grove 6,137 Village in Waukesha County, Wisconsin, United States
Okauchee Lake 4,422 Census designated place

Waukesha County has 7 neighbours.

  • Waukesha

Demographics

The population of Waukesha County increased by 4.01% in 10 years.

Year Population % Change Method
2010 389,891 - census
2011 390,837 0.24% estimation process
2012 392,810 0.5% estimation process
2013 394,147 0.34% estimation process
2014 395,397 0.32% estimation process
2015 396,237 0.21% estimation process
2016 398,521 0.57% estimation process
2017 400,899 0.59% estimation process
2018 402,522 0.4% estimation process
2019 404,198 0.41% estimation process
2020 406,172 0.49% estimation process

Comitatul Waukesha, Comte de Waukesha, Comté de Waukesha, Condado de Waukesha, Condado han Waukesha, Contea di Waukesha, Hrabstwo Waukesha, Kantono Waukesha, Okrug Vokisha, Quan Waukesha, Quận Waukesha, Uokesho, Uokisha, Vokesha, Waukesha, Waukesha Comitatus, Waukesha Kun, Waukesha Kūn, Waukesha konderria, Waukesha maakond, Waukesha megye, raaukesa ka'unti, shhrstan wakysha wyskansyn, u~okisho jun, wo ji xiao xian, Вокеша, Округ Вокиша, Уокешо, Уокиша, شهرستان واکیشا، ویسکانسین, مقاطعة واكيشا, واوکیشا کاؤنٹی، وسکونسن, ৱৌকেশা কাউন্টি, ウォキショー郡, 沃基肖縣

People born in Waukesha County (1)

United States federal judge, Lieutenant Governor of Colorado William Story was born in Waukesha County

Wisconsin Other Counties (more counties)

County Name Population Title
Milwaukee County 945,016 County in Wisconsin, United States
Milwaukee 589,067 The thirtieth most populous city in the United States and the center of the Milwaukee metropolitan area.
Dane County 552,536 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
Fond du Lac County 102,902 County in Wisconsin, United States