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Welcome to Ozaukee County ...

Time Zone: Ozaukee County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.

The community of Port Washington is the Seat for Ozaukee County.

Ozaukee County was founded in 1853 and was created by taking area from Milwaukee County.

From the Census Estimates for 2019, <1> Ozaukee had a population of 89,221 people. This is an increase of 3.29% since the last Census (which gave a population of 86,377 people in 2010).

At the time of the 2010 Census, Ozaukee represented 1.52% of the total population of Wisconsin.

Below are some of the communities located in Ozaukee County:

  • Belgium
    (12 miles [19.3 km] to the north)
    • Belgium is located in Ozaukee County (WI)
    • Jump to our Gazetteer entry for Belgium
    • Population from the 2020 Census: 1,444 people
  • Cedarburg
    (3 miles [4.8 km] to the west)
    • Cedarburg is located in Ozaukee County (WI)
    • Jump to our Gazetteer entry for Cedarburg
    • Population from the 2020 Census: 6,080 people
  • Fredonia
    (11 miles [17.7 km] to the north)
    • Fredonia is located in Ozaukee County (WI)
    • Jump to our Gazetteer entry for Fredonia
    • Population from the 2020 Census: 2,168 people
  • Grafton
    (Less than 2 miles to the east)
    • Grafton is located in Ozaukee County (WI)
    • Jump to our Gazetteer entry for Grafton
    • Population from the 2020 Census: 4,178 people
  • Mequon
    (7 miles [11.3 km] to the south)
    • Mequon is located in Ozaukee County (WI)
    • Jump to our Gazetteer entry for Mequon
    • Population from the 2020 Census: 24,765 people
  • Port Washington
    (7 miles [11.3 km] to the northeast)
    • Port Washington is located in Ozaukee County (WI)
    • Jump to our Gazetteer entry for Port Washington
    • Population from the 2020 Census: 1,584 people
  • Saukville
    (5 miles [8 km] to the north)
    • Saukville is located in Ozaukee County (WI)
    • Jump to our Gazetteer entry for Saukville
    • Population from the 2020 Census: 1,864 people
  • Thiensville
    (6 miles [9.7 km] to the south)
    • Thiensville is located in Ozaukee County (WI)
    • Jump to our Gazetteer entry for Thiensville
    • Population from the 2020 Census: 3,116 people

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.