Ozaukee County, Wisconsin

Ozaukee County: County in Wisconsin, United States

About

Ozaukee County is a county located in the U.S. state of Wisconsin. As of the 2010 census, the population was 86,395 and a population density of 30 people per km². After 10 years in 2020 county had an estimated population of 90,043 inhabitants. Its county seat is Port Washington. The county was created 172 years ago in 1852.

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

Quick Facts about Ozaukee County

Population : 90,043 (2020)
Country : United States of America
State : Wisconsin (United States)
Area : 2891 km2
Named for : Sauk people
Altitude : 771 feet / 235 meters
Capital : Port Washington
Establishment : January 01, 1853
Time Zone : Central Time Zone
Local time : 12:01:00 (22nd February 2025)
Density : 31 Pop. per km² as of 2020
Population growth : 4.05% (2010-2020)
Old-Ozaukee-Courthouse Jul-09 image
Old-Ozaukee-Courthouse Jul-09
Old-Ozaukee-Courthouse Jul-09 image
Old-Ozaukee-Courthouse Jul-09 image

Geography

Ozaukee County is located at 43°24'11"N 87°53'26"W (43.4030500, -87.8906300). It has 6 neighbors: Muskegon County, Oceana County, Milwaukee County, Sheboygan County, Washington County and Waukesha County.

Ozaukee County map

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The largest city of Ozaukee County is Mequon with a population of 24,765. Other cities include, Cedarburg population 6,080 and Port Washington population 1,584. See all Ozaukee County cities & populated places.

Ozaukee County Populated Places

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

City Name Population Title
Mequon 24,765 Fourth-class city in Ozaukee County, Wisconsin
Cedarburg 6,080 City in Ozaukee County, Wisconsin, Untied States
Grafton 4,178 Village in Ozaukee County, Wisconsin
Thiensville 3,116 Village in Ozaukee County, Wisconsin, United States
Fredonia 2,168 Village in Ozaukee County, Wisconsin, United States
Kohler 2,048 Village in Sheboygan County, Wisconsin, United States
Saukville 1,864 Village in Ozaukee County, Wisconsin, United States
Port Washington 1,584 Fourth-class city in and county seat of Ozaukee County, Wisconsin
Belgium 1,444 Village in Ozaukee County, Wisconsin

Ozaukee County has 6 neighbours.

  • Port Washington

Demographics

The population of Ozaukee County increased by 4.05% in 10 years.

Year Population % Change Method
2010 86,395 - census
2011 86,798 0.46% estimation process
2012 87,111 0.36% estimation process
2013 87,213 0.12% estimation process
2014 87,578 0.42% estimation process
2015 87,932 0.4% estimation process
2016 88,332 0.45% estimation process
2017 88,443 0.13% estimation process
2018 89,059 0.69% estimation process
2019 89,221 0.18% estimation process
2020 90,043 0.91% estimation process

Comitatul Ozaukee, Comte d'Ozaukee, Comte dOzaukee, Comté d'Ozaukee, Comté dOzaukee, Condado de Ozaukee, Condado han Ozaukee, Contea di Ozaukee, Hrabstwo Ozaukee, Okrug Ozoki, Ozaukee, Ozaukee Comitatus, Ozaukee Kun, Ozaukee Kūn, Ozaukee konderria, Ozaukee maakond, Ozaukee megye, Ozoki, Quan Ozaukee, Quận Ozaukee, ao zuo ji xian, ojauki ka'unti, ozoki jun, shhrstan awzawky wyskansyn, Озоки, Озокі, Округ Озоки, اوزاوکی کاؤنٹی، وسکونسن, شهرستان اوزاوکی، ویسکانسین, مقاطعة أوزاوكي, ওজৌকি কাউন্টি, オゾーキー郡, 奧佐基縣

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
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