Ozaukee County, created in 1853 from Milwaukee county, is named for the Chippewa word for the Sauk Nation, which translates as "yellow earth." Located in southeast Wisconsin, the county seat is Port Washington.
Land Area 231.95 sq miles
Water Area 884.26 sq miles
Elevation 612 ft at Port Washington
Number of Lakes 39
Area in Lakes 709 acres (1.11 sq miles)
Rivers Milwaukee
Major Watershed Lake Michigan
Geographical Province Eastern Ridges and Lowlands
Natural Vegetation Almost entirely sugar maple, basswood, and elm. West-central: small area of black spruce, tamarack, and cedar.
Population
1930: 17,394
1970: 54,461
1980: 66,981
1990: 72,831
2000: 82,317
Border Counties
North: Sheboygan County
East: Lake Michigan
South: Milwaukee County
West: Washington County
Ozaukee County Government and Local Information Resources
County Web Site
www.co.ozaukee.wi.us
County Clerk Office of the County Clerk
PO Box 994
Port Washington,
WI 53074-0994 Phone: 262-284-8110
Clerk of Courts Clerk of Courts Phone: 262-84-8409
E-mail
County Sheriff Sheriff
PO Box 245
Port Washington,
WI 53074-0245 Phone: 262-238-8495
Health Department Public Health Phone: 262-284-8170
Highway Department Highway Department Phone: 262-284-8331
County Parks Parks Deparment
PO Box 994
Port Washington,
WI 53074-0994 Phone: 262-284-8257
Birth & Death Certificates, Marriage Records Register of Deeds
PO Box 994
Port Washington,
WI 53074-0994 Phone: 262-284-8260
Cooperative Extension UW-Extension, Ozaukee County
PO Box 994
Port Washington,
WI 53074-0994 Phone: 262-238-8288
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Tourism, Relocation & Business Development Cedarburg Chamber of Commerce
PO Box 104
Cedarburg,
WI 53012-0104 Phone: 262-377-5856
Cedarburg Visitors Information Center
PO Box 104
Cedarburg,
WI 53012-0104 Phone: 262-377-9620
Fredonia Chamber of Commerce
PO Box 214
Fredonia,
WI 53021-0214 Phone: 262-692-2466
Grafton Area Chamber of Commerce
PO Box 132
Grafton,
WI 53024-0132 Phone: 262-377-1650
Mequon-Thiensville Area Chamber of Commerce
250 S Main St
Thiensville,
WI 53092 Phone: 262-512-9358
Ozaukee Tourism Council
PO Box 143
Port Washington,
WI 53074 Phone: 262-284-9288
Toll Free: 800-403-9898
Port Washington Chamber of Commerce
PO Box 514
Port Washington,
WI 53074-0514 Phone: 262-284-0900
Saukville Chamber of Commerce, Inc.
PO Box 80238
Saukville,
WI 53080-0238 Phone: 262-268-1970
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Historical and Genealogical Societies Mequon Historical Society
6100 W Mequon Rd 112N
Mequon,
WI 53092 Phone: 262-242-3107
Ozaukee County Historical Society
PO Box 206
Cedarburg,
WI 53012
Port Washington Historical Society
PO Box 491
Port Washington,
WI 53074 Phone: 262-284-7240
Saukville Area Historical Society
PO Box 80015
Saukville,
WI 53080-0015 Phone: 262-268-9197
Wisconsin State Old Cemetery Society
6100 W Mequon Rd
Mequon,
WI 53092-1951
WIGenWebProject, Ozaukee County
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