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Wisconsin ZIP Codes
Ozaukee County
Fredonia, WI
53021
53021 ZIP Code — Fredonia, WI
Ozaukee County, Wisconsin
ZIP code 53021 is located in
Fredonia ,
Wisconsin ,
within Ozaukee County .
It covers approximately 33.43 square miles and serves a population of
4,428 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 262 .
About ZIP code 53021
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $271,200. Owner-occupancy is high at 81%, well above the national average.
The gap between median ($81,859) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 37% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 26 minutes is near the national average.
Educational attainment is near the national average, with 24% of residents holding a bachelor's degree or higher.
Overall, ZIP code 53021 reflects a community defined by high homeownership and a significant Social Security-dependent population.
53021 ZIP code map
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Cities in ZIP code 53021
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
4,428
Population density
132 / sq mi
State FIPS
55
County FIPS
089
Geography
Land area
33.43 sq mi
Water area
0.35 sq mi
Latitude
43.4883
Longitude
-88.0005
Timezone
Central (CT)
Area code
262
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
24.2%
28.8%
39.4%
$50k – $100k
35.6%
29.2%
33.0%
$100k – $200k
35.3%
28.8%
22.4%
Over $200k
4.9%
13.2%
5.2%
Demographics & statistics
$81,859
Median household income
$271,200
Median home value
24.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 926 20.9%
18 and over 3,502 79.1%
65 and over 759 17.1%
Median age 40.1 years
Race & ethnicity
Black or African American
1.5%
American Indian / Alaska Native
0.3%
Group Count %
White 3,928 84.6%
Two or more races 263 5.7%
Hispanic or Latino 215 4.6%
Other race 106 2.3%
Black or African American 70 1.5%
Asian 49 1.1%
American Indian / Alaska Native 12 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
24.2%
28.8%
39.4%
$50k – $100k
35.6%
29.2%
33.0%
$100k – $200k
35.3%
28.8%
22.4%
Over $200k
4.9%
13.2%
5.2%
Range % of households
Under $10k 2.2%
$10k–$15k 1.0%
$15k–$25k 4.4%
$25k–$35k 4.3%
$35k–$50k 14.5%
$50k–$75k 12.6%
$75k–$100k 17.1%
$100k–$150k 22.4%
$150k–$200k 15.4%
$200k+ 6.1%
Median income $81,859
Housing
Housing overview
Metric Value
Median home value $271,200
Median rent / month $963
Owner occupied 81.4%
Renter occupied 18.6%
Vacant 3.5%
Single-family detached 80.6%
Large apartment buildings 0.0%
Mobile homes 0.9%
Median rooms 6.4
Avg household size (owned) 2.62
Year built
Era %
2020 or later 0.0%
2010–2019 4.2%
2000–2009 14.7%
1990–1999 13.2%
1980–1989 7.9%
1970–1979 19.1%
1960–1969 9.1%
1950–1959 11.9%
1940–1949 3.6%
1939 or earlier 16.4%
Bedrooms
Size % of units
No bedroom (studio) 0.3%
1 bedroom 1.7%
2 bedrooms 16.7%
3 bedrooms 56.4%
4 bedrooms 20.7%
5+ bedrooms 4.2%
Vehicles per household
Vehicles % of households
No vehicle 1.5%
1 vehicle 24.0%
2 vehicles 45.0%
3 or more 29.5%
Heating fuel
Fuel type %
Utility gas 64.2%
Electricity 13.1%
Propane / LP gas 13.9%
Fuel oil 5.4%
Wood 2.9%
No fuel used 0.2%
Households & families
Household type Count %
Married-couple family 1,096 63.9%
Cohabiting couple 106 6.2%
Male householder, no spouse 225 13.1%
Female householder, no spouse 289 16.8%
Households with children under 18 516 30.1%
Households with seniors (65+) 586 34.1%
Average household size 2.57
Marital status
Status Male Female
Never married 26.7% 24.9%
Married 62.7% 58.9%
Separated 0.7% 0.4%
Widowed 2.9% 6.6%
Divorced 7.0% 9.2%
Education
Some college, no degree
17.7%
Graduate / professional
6.7%
Metric %
HS diploma or higher 95.0%
Bachelor's or higher 24.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 97 10.0%
Kindergarten 25 2.6%
Elementary school 365 37.7%
High school 228 23.6%
College / grad school 253 26.1%
Employment
Industry of employment
Education & healthcare
13.8%
Professional & management
7.6%
Arts, food & hospitality
5.9%
Finance & real estate
4.4%
Transportation & utilities
3.8%
Agriculture & mining
2.3%
Public administration
1.4%
Occupation
Category %
Management, business & arts 32.7%
Service 14.1%
Sales & office 14.6%
Natural resources & construction 11.5%
Production & transportation 27.1%
Employment type
Type %
Private sector 87.5%
Government 5.9%
Self-employed 6.2%
Unpaid family workers 0.3%
Commute
Method %
Drive alone 85.3%
Carpool 7.0%
Public transit 0.0%
Walk 1.0%
Work from home 5.7%
Other means 1.0%
Avg commute (minutes) 26.1
Poverty
Married-couple families
3.4%
Female-led households
7.8%
Income support
Source % of households
Social Security 37.0%
Retirement income 28.1%
Supplemental Security 2.4%
Cash public assistance 0.3%
Food stamps / SNAP 2.4%
Health indicators
Condition %
Obesity 32.9%
High blood pressure 28.4%
High cholesterol 32.5%
Diabetes 7.6%
Heart disease 4.9%
Stroke 2.3%
Asthma 9.4%
Arthritis 21.9%
Kidney disease 2.3%
Pulmonary disease 5.1%
Cancer 6.1%
Behavior / access %
Smoking 17.1%
Binge drinking 27.1%
No physical activity 18.4%
Less than 7 hrs sleep 30.3%
Depression 19.7%
Fair or poor health 9.9%
Poor mental health 13.0%
Poor physical health 8.6%
No health insurance 9.4%
Visited doctor (checkup) 72.5%
Visited dentist 70.7%
Cholesterol screening 87.6%
Teeth loss 9.8%
Veterans & disability
Veterans Count %
Civilian veterans 210 6.0%
Disability %
Any disability 10.3%
Under 18 1.8%
18–64 years 6.2%
65 and over 35.2%
Health insurance coverage
Type %
Private insurance 82.9%
Public insurance 28.0%
No insurance 2.3%
Uninsured under 19 2.9%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 4,114 92.9%
Spanish 37 0.9%
Other Indo-European 22 0.5%
Asian & Pacific Islander 15 0.4%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 4,315 97.4%
Born in same state 4,283 96.7%
Born in different state 3,651 82.5%
Foreign born 32 0.7%
Naturalized citizen 113 2.6%
Not a US citizen 98 86.7%
Ancestry
Ancestry Count %
Italian 290 6.5%
Arab 174 3.9%
French 163 3.7%
Polish 110 2.5%
Norwegian 57 1.3%
Ancestry Count %
English 43 1%
German 34 0.8%
Dutch 22 0.5%
Irish 18 0.4%
Technology access
Metric % of households
Computer access 38.8%
Internet access 94.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 53021
What city is ZIP code 53021 in?
ZIP code 53021 is primarily assigned to Fredonia, Wisconsin.
What county is ZIP code 53021 in?
ZIP code 53021 falls within Ozaukee County, Wisconsin.
Is ZIP code 53021 mostly owner-occupied?
81% of occupied units in ZIP code 53021 are owner-occupied, well above the national average.
Does ZIP code 53021 have a large retiree population?
37% of households in ZIP code 53021 receive Social Security income, suggesting a significant retiree or disability population.
What is the population of ZIP code 53021?
ZIP code 53021 has an estimated population of 4,428 residents, with a density of 132 people per square mile.
What is the typical home value in ZIP code 53021?
The median home value in ZIP code 53021 is $271,200.
What timezone is ZIP code 53021 in?
ZIP code 53021 observes the CST timezone.
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