Fredonia, WI · standard

ZIP Code 53021

Ozaukee County, Wisconsin — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

Reviewed by PlainZIP Editorial Team, ZIP Code Data Editors · June 11, 2026

4,709
55/sq mi: $89,779
Median income: $315,800
Median home value: 23.5%
Bachelor's or higher

The verdict

Fredonia pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 27%
household income, US ZIPs: Top 31%
home value, US ZIPs: 55
people per sq mi: 80%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 53021 against every reporting US ZIP.

ZIP code 53021 is classified by USPS as a standard delivery area and covers roughly 85.8 square miles in Fredonia, Ozaukee County, Wisconsin. The area is home to 4,709 residents, producing a population density of 55 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 53021 against Wisconsin and the nation.

On the economic side, the median household income for ZIP 53021 sits at $89,779 (15% above the Wisconsin average), while per-capita income is $45,056. The poverty rate stands at 7.8% and the unemployment rate at 5.6%. On housing, the median home value is $315,800 (27% above the state average) with median rent at $1,005 per month, and 80.0% of occupied units are owner-occupied, a direct signal of whether 53021 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 23.5% of adults hold a bachelor's degree or higher, the median age is 39.9, and the average commute is 24 minutes. We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Ozaukee County, so you can benchmark 53021 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 53021

Construction

16
Other services (except public administration)

11
Manufacturing

9
Accommodation and food services

9
Retail trade

8

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 53021, Fredonia, WI · 2023 Accessed 2026-06-11 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

4,709

Population

85.8

Area (sq mi)

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard

Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.

View Scorecard →

Who lives in ZIP 53021?

39.9

Median Age

49.5%

Male

50.5%

Female

2.8%

Foreign-Born

White 89.6%

African American 0.4%

Asian 1.3%

American Indian or Alaska Native 0.2%

Native Hawaiian or Pacific Islander 0.0%

Two or More Ethnicities 6.1%

Hispanic or Latino 6.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$89,779

Median Household Income

+15% vs state

$45,056

Per Capita Income

7.8%

Poverty Rate

5.6%

Unemployment Rate

24.3 min

Mean Commute Time

How ZIP 53021 ranks nationally

Household income vs. every US ZIP code

Median household income — the full national distribution, with this ZIP marked

$89,779 Top 27% higher than 73% of 30,318 US ZIPs

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 62.6%

Bachelor's Degree or Higher 23.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,819

Total Housing Units

1,704

Occupied Units

115

Vacant Units

2.64

Avg Household Size

Occupancy Type

Owner 80.0%

Renter 20.0%

$315,800

Median Home Value

+27% vs state

$1,005

Median Rent

1970

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+2.6%

YoY Change (2024)

206

HPI Index (2000 = 100)

+106%

Total Change Since 2000

Home values in ZIP 53021 have increased 2.6% over the past year (2024). Since 2000, this ZIP has seen +106% cumulative appreciation.

Year	Annual Change	HPI Index
2020	+0.0%	139
2021	+10.9%	154
2022	+14.4%	176
2023	+14.2%	201
2024	+2.6%	206

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 84 business establishments in ZIP 53021, employing approximately 883 people with a combined annual payroll of $47,770,000.

Businesses

883

Employees

$47.8M

Annual Payroll

Industry Sectors

Industry	Establishments	% of Total
Construction	16	19.1%
Other services (except public administration)	11	13.1%
Manufacturing	9	10.7%
Accommodation and food services	9	10.7%
Retail trade	8	9.5%
Health care and social assistance	8	9.5%
Administrative and support and waste management and remediation services	6	7.1%
Wholesale trade	4	4.8%
Professional, scientific, and technical services	4	4.8%
Transportation and warehousing	3	3.6%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 53021 vs 53075 →

53074

12,880
53080

5,715
53021

4,709
53075

3,345
53004

3,330
53013

3,308
53001

1,901
53031

43

What this shows Among its immediate neighbors, ZIP 53021 ranks #3 by population — useful context the national average alone can't give.

53075

$93,750
53001

$92,294
53021

$89,779
53004

$84,821
53013

$84,375
53080

$80,360
53074

$79,423

What this shows By household income, ZIP 53021 ranks #3 of 7 neighboring ZIPs — local affluence varies block to block, not just metro to metro.

ZIP Code	City	Population	Distance
53075	Random Lake, WI	3,345	5.0 mi
53080	Saukville, WI	5,715	5.9 mi
53004	Belgium, WI	3,330	6.1 mi
53001	Adell, WI	1,901	8.2 mi
53074	Port Washington, WI	12,880	7.6 mi
53013	Cedar Grove, WI	3,308	9.0 mi
53031	Hingham, WI	43	10.9 mi

More ZIP Codes in Ozaukee County

Ozaukee County Fredonia, WI Wisconsin

Frequently Asked Questions

What county is ZIP code 53021 in? ▼

ZIP code 53021 (Fredonia) is located in Ozaukee County, Wisconsin. Ozaukee County contains multiple ZIP codes, see the full list at /counties/ozaukee-wi.

What is the population of ZIP code 53021? ▼

ZIP code 53021 in Fredonia, WI has a population of 4,709 according to the Census Bureau ACS 2023 estimates.

What is the median household income in ZIP 53021? ▼

The median household income in ZIP 53021 is $89,779, which is 18% above the national average of $76,288.

What is the average home value in ZIP 53021? ▼

The median home value in ZIP 53021 is $315,800, which is 14% above the national average of $278,155.

What is the demographic makeup of ZIP 53021? ▼

The largest racial group in ZIP 53021 is White at 89.6%. Hispanic or Latino residents make up 6.7% of the population.

How many businesses are in ZIP code 53021? ▼

ZIP code 53021 has 84 business establishments employing approximately 883 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.

What are the main industries in ZIP code 53021? ▼

The top industries by establishment count in ZIP 53021 are: Construction (16), Other services (except public administration) (11), Manufacturing (9). There are 10 industry sectors represented in total.

How have home values changed in ZIP code 53021? ▼

According to the FHFA House Price Index, home values in ZIP 53021 increased by 2.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 106%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.

What is the education level in ZIP code 53021? ▼

In ZIP code 53021, 62.6% of residents aged 25+ have a high school diploma or higher, and 23.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).

What is the average commute time in ZIP 53021? ▼

The mean commute time for workers in ZIP code 53021 is 24.3 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.

What percentage of residents own vs. rent in ZIP 53021? ▼

In ZIP code 53021, approximately 80.0% of occupied housing units are owner-occupied and 20.0% are renter-occupied, based on Census ACS 2023 data.

What is the poverty rate in ZIP code 53021? ▼

The poverty rate in ZIP code 53021 is 7.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.