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Ozaukee County, WI
9 cities and towns and 8 ZIP codes in Ozaukee County, Wisconsin.
Population
92,966
Land area
233sq mi
People per sq mi
399
ZIP codes
8
Cities and towns in Ozaukee County
Ozaukee County at a glance
- Ozaukee County is about 3.7 times as dense as Wisconsin as a whole.
- Households here earn a median of $96,996 a year, 25% more than the Wisconsin figure of $77,485.
- A typical owner-occupied home is valued at $390,200 (46% above Wisconsin) and median rent is $1,154 a month.
- The biggest population centers are Mequon (25,270), Port Washington (12,645) and Cedarburg (12,605).
Local data for Ozaukee County, WI
Counts from official public data
- Hospitals1
- Emergency Rooms1
- Nursing Homes4
- Schools39
- Colleges1
- Libraries5
- Banks34
- Post Offices7
- Parks105
- Grocery Stores24
- Restaurants233
- Affordable Housing6
- Dialysis Centers2
- Rehab & Long-Term Care Hospitals1
- Mental Health & Addiction Treatment4
- Private Schools13
- Superfund Sites1
- Toxic Release Facilities16
- Historic Places32
Housing and community stats
Ozaukee County, WI, American Community Survey 2020-2024
Median household income
$96,996
Poverty rate
5.0%
Median home value
$390,200
Prices +5.2% in a year
Median rent
$1,154/mo
Homeownership
72.9%
Bachelor's or higher
51.2%
Median age
43.9
Average commute
22.8 min
Largest reported origins and ancestries: German Americans (40,179), Irish Americans (10,996), Polish Americans (8,179).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
2.7%
Sep 2026, +0.2 pts in a year
Average annual pay
$62,242
40,611 jobs, 2025
Income per person
$109,947
BEA, 2024
Federal spending
$670M
FY 2026, $7,317 per person
PPP loans
$268M
3,310 loans, 33,379 jobs reported
Campaign donations
$1.3M
Itemized, 2026 cycle
How people get to work
Ozaukee County, WI, workers 16 and older. American Community Survey 5-year estimates
- Drove alone74.2%
- Carpooled6.2%
- Public transit0.1%
- Walked1.1%
- Bicycle0.4%
- Taxi, ride-hailing, motorcycle or other0.6%
- Worked from home17.5%
Average one-way commute: 22.8 minutes for people who do not work from home.
Environment and hazard risk
Ozaukee County, WI, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: cold wave
Storm events since 1996
633
Most often winter weather
Flood insurance policies
362
1.5% of homes, county
July high / Jan low
79° / 12°F
34.9 inches of rain a year
Hazards, floods and storm historyCheck a flood zone32 historic places
Health statistics
Share of adults in Ozaukee County, WI, CDC PLACES estimates
Obesity
30.3%
U.S. 33.3% -3.0 pts
Diabetes
10.1%
U.S. 12.1% -2.0 pts
Smoking
10.3%
U.S. 12.8% -2.5 pts
Uninsured (18-64)
5.5%
U.S. 11.1% -5.6 pts
Cities, towns and ZIP codes in Ozaukee County
Population shown
Frequently asked questions
- What is the largest city in Ozaukee County, WI?
- Mequon is the largest city or town in Ozaukee County, with about 25,270 residents.
- How many ZIP codes are in Ozaukee County?
- Ozaukee County includes 8 ZIP Code Tabulation Areas, including 53004, 53012, 53021, 53024, 53074.
- What is the population of Ozaukee County, WI?
- About 92,966 people live in Ozaukee County, based on American Community Survey 5-year estimates.
- What counties border Ozaukee County?
- Ozaukee County borders Milwaukee County, Waukesha County, Washington County, Sheboygan County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023