Learn About
The Commemorative
Quarter for
The Commemorative Quarter for Wisconsin

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 MilwaukeeCounty.

From the Census Estimates for 2009, <1> Ozaukee had a population of 86,311 people. This is an increase of 4.85% since the last Census (which gave a population of 82,317 people in 2000).

At the time of the 2000 Census, Ozaukee represented 1.53% of the total population of Wisconsin, making it the state's 19th most populous county (out of 72 counties).

The following table shows the recent changes in population. Other than 2000, the population counts have been estimated by the Census Bureau.

Since 2000
Year-to-Year Change
201086,395+4.95%+0.1% since 2009
200986,311+4.85%+0.57% since 2008
200885,821+4.26%+0.47% since 2007
200082,317The Last Census

More information can be found on the Ozaukee County Census Page for Ozaukee County.


Below are some of the communities located in Ozaukee County (for more communities, please visit our Nearby Page for Ozaukee County):

Community 2009
(2009vs. 2000)
Mequon   23,47621,8237.57% increase  
Grafton   11,56210,31212.12% increase  
Port Washington   11,16810,4676.7% increase  
Cedarburg   11,08210,9081.6% increase  
Cedarburg   5,7685,7440.42% increase  

Websites for Ozaukee County

Official Website:   www.co.ozaukee.wi.us/

If you know of a history or genealogy society whose interest includes Ozaukee County, would you please send us the URL for their website? We would like to add their link to our Gazetteer. To contact us, please visit our Feedback Page.

Other Roadside Stops ...

About Wisconsin

Index of Cities, Towns and Villages for Wisconsin

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 2000 Census and the next count will be for the 2010 Census.

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<2>All Quarter-dollar coin images from the United States Mint.

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