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County ProfileWI

Ozaukee County

Population: 91,503 · 8 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
91,503
People
Median age
43.9
Housing
Total households
38,309
Income
Median household income
$96,996
Housing
Total housing units
39,872
Employment
Employment rate
63.8%
Education
Bachelor’s degree or higher
51.2%
Healthcare
Insured population
97.5%
County details
Local time 03:48:28(CT)
NameOzaukee
Total ZIP codes8total
ZIP codes (by type)
8 Standard
Area code262, 274, 920
TimezoneCentral Time (CT)
Coordinates43.5018069, -87.8475515
Land area233 sq miles(603.5 km²)

Map of Ozaukee county, Wisconsin with ZIP codes

Map of Ozaukee County, Wisconsin and ZIP codes

Cities and Communities in Ozaukee County

Compare the largest cities in Ozaukee County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Mequon25,142$144,0512ZIPs
Port Washington12,353$81,9481ZIPs
Cedarburg12,121$84,8961ZIPs
Grafton12,094$89,8611ZIPs
Saukville4,258$79,7301ZIPs
Belgium2,421$74,8861ZIPs
Fredonia2,279$99,0131ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Ozaukee County

Review the most populated postal areas across Ozaukee County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
53092Mequon$128,15621,052
53012Cedarburg$96,09019,027
53024Grafton$92,39018,291
53074Port Washington$79,42313,379
53097Mequon$135,9297,380
53080Saukville$80,3605,457
53021Fredonia$89,7794,715
53004Belgium$84,8213,469

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS