53004 ZIP Code — Belgium, WI

Ozaukee County, Wisconsin

ZIP code 53004 is located in Belgium, Wisconsin, within Ozaukee County. It covers approximately 33.59 square miles and serves a population of 3,596 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 262.

About ZIP code 53004

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $231,400. Owner-occupancy is high at 89%, well above the national average.

Median household income is $81,908. 42% 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 25 minutes is near the national average.

Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.

Overall, ZIP code 53004 reflects a community defined by high homeownership and a significant Social Security-dependent population.

3,596

population

33.59

sq mi land

Standard

ZIP type

Central (CT)

timezone

53004 ZIP code map

Cities in ZIP code 53004

Below are the cities the US Postal Service accepts for ZIP code 53004. Using any city not on this list may result in mail delivery delays.

City	Status
Belgium	Preferred

Nearby ZIP codes

53013 Cedar Grove (4.9 mi) 53074 Port Washington (5.6 mi) 53021 Fredonia (6.3 mi) 53080 Saukville (8.1 mi) 53075 Random Lake (8.4 mi) 53070 Oostburg (8.5 mi) 53093 Waldo (10.8 mi) 53001 Adell (11.4 mi) 53024 Grafton (12.4 mi) 53012 Cedarburg (14.5 mi) 53011 Cascade (14.7 mi) 53081 Sheboygan (15.8 mi)

Demographics updated 05/2026

Population
Total population	3,596
Population density	107 / sq mi
State FIPS	55
County FIPS	089

Geography
Land area	33.59 sq mi
Water area	0.00 sq mi
Latitude	43.4995
Longitude	-87.8759
Timezone	Central (CT)
Area code	262

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.9%	28.8%	39.4%
$50k – $100k	37.9%	29.2%	33.0%
$100k – $200k	31.6%	28.8%	22.4%
Over $200k	5.6%	13.2%	5.2%

Demographics & statistics

3,596

Population

107

People per sq mi

48.1

Median age

$81,908

Median household income

$39,752

Per capita income

$231,400

Median home value

$867

Median monthly rent

88.5%

Home ownership

1.6%

Poverty rate

4.2%

Unemployment

1,398

Housing units

24.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

121

15–19

147

140

20–24

170

179

25–34

217

117

35–44

141

307

45–54

372

127

55–59

154

60–64

117

303

65–74

367

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	503	14.0%
18 and over	3,093	86.0%
65 and over	820	22.8%
Median age	48.1 years

Race & ethnicity

White 91.2%

Two or more races 3.6%

Hispanic or Latino 3%

Other race 1.2%

Asian 0.9%

Group	Count	%
White	3,383	91.2%
Two or more races	132	3.6%
Hispanic or Latino	112	3%
Other race	45	1.2%
Asian	35	0.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.9%	28.8%	39.4%
$50k – $100k	37.9%	29.2%	33.0%
$100k – $200k	31.6%	28.8%	22.4%
Over $200k	5.6%	13.2%	5.2%

Under $10k 1.8%

$10k–$15k 0.4%

$15k–$25k 2.8%

$25k–$35k 11.6%

$35k–$50k 6.2%

$50k–$75k 23.6%

$75k–$100k 14.7%

$100k–$150k 21.8%

$150k–$200k 7.9%

$200k+ 9.2%

Range	% of households
Under $10k	1.8%
$10k–$15k	0.4%
$15k–$25k	2.8%
$25k–$35k	11.6%
$35k–$50k	6.2%
$50k–$75k	23.6%
$75k–$100k	14.7%
$100k–$150k	21.8%
$150k–$200k	7.9%
$200k+	9.2%
Median income	$81,908

Housing

Home values

Under $50k 3.3%

$50k–$100k 0.2%

$100k–$150k 3.7%

$150k–$200k 25.7%

$200k–$300k 39.2%

$300k–$500k 22.3%

$500k–$1M 5.0%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$231,400
Median rent / month	$867
Owner occupied	88.5%
Renter occupied	11.5%
Vacant	5.8%
Single-family detached	70.9%
Large apartment buildings	1.4%
Mobile homes	0.6%
Median rooms	6.3
Avg household size (owned)	2.53

Year built

Era	%
2020 or later	0.0%
2010–2019	11.4%
2000–2009	19.8%
1990–1999	12.1%
1980–1989	3.6%
1970–1979	6.6%
1960–1969	6.6%
1950–1959	7.6%
1940–1949	12.5%
1939 or earlier	19.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	5.0%
2 bedrooms	24.3%
3 bedrooms	44.3%
4 bedrooms	23.2%
5+ bedrooms	3.3%

Vehicles per household

Vehicles	% of households
No vehicle	2.5%
1 vehicle	28.5%
2 vehicles	40.1%
3 or more	28.8%

Heating fuel

Fuel type	%
Utility gas	74.1%
Electricity	13.3%
Propane / LP gas	8.9%
Fuel oil	1.6%
Wood	1.8%

Households & families

Household type	Count	%
Married-couple family	974	65.9%
Cohabiting couple	76	5.1%
Male householder, no spouse	159	10.8%
Female householder, no spouse	268	18.1%
Households with children under 18	308	20.9%
Households with seniors (65+)	550	37.2%
Average household size	2.43

Marital status

Status	Male	Female
Never married	30.3%	22.1%
Married	61.2%	62.8%
Separated	0.9%	0.0%
Widowed	0.3%	10.8%
Divorced	7.2%	4.2%

Education

Less than 9th grade 1.6%

Some HS, no diploma 2.1%

HS graduate 34.6%

Some college, no degree 27.8%

Associate's degree 9.0%

Bachelor's degree 17.1%

Graduate / professional 7.8%

Metric	%
HS diploma or higher	96.3%
Bachelor's or higher	24.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	22	3.4%
Kindergarten	18	2.8%
Elementary school	200	30.9%
High school	168	26.0%
College / grad school	239	36.9%

Employment

Industry of employment

Manufacturing 22.9%

Education & healthcare 22.8%

Professional & management 12.6%

Retail trade 12.3%

Construction 7.9%

Arts, food & hospitality 5.0%

Other services 4.1%

Public administration 3.2%

Finance & real estate 2.7%

Transportation & utilities 2.4%

Agriculture & mining 1.6%

Wholesale trade 1.4%

Information 1.2%

Occupation

Category	%
Management, business & arts	35.3%
Service	17.7%
Sales & office	21.4%
Natural resources & construction	8.7%
Production & transportation	16.8%

Employment type

Type	%
Private sector	84.4%
Government	8.5%
Self-employed	6.8%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	82.6%
Carpool	8.4%
Public transit	0.0%
Walk	0.1%
Work from home	8.1%
Other means	0.8%
Avg commute (minutes)	24.5

Poverty

All people 1.6%

Under 18 years 0.0%

18 and over 1.9%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	42.0%
Retirement income	31.1%
Supplemental Security	1.9%
Cash public assistance	0.7%
Food stamps / SNAP	1.2%

Health indicators

Condition	%
Obesity	32.3%
High blood pressure	27.1%
High cholesterol	32.0%
Diabetes	7.2%
Heart disease	4.7%
Stroke	2.2%
Asthma	9.3%
Arthritis	20.7%
Kidney disease	2.2%
Pulmonary disease	4.7%
Cancer	6.0%

Behavior / access	%
Smoking	16.2%
Binge drinking	27.5%
No physical activity	17.8%
Less than 7 hrs sleep	29.5%
Depression	19.6%
Fair or poor health	9.4%
Poor mental health	12.8%
Poor physical health	8.2%
No health insurance	9.6%
Visited doctor (checkup)	71.8%
Visited dentist	71.4%
Cholesterol screening	87.6%
Teeth loss	9.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	206	6.7%

Disability	%
Any disability	8.3%
Under 18	3.0%
18–64 years	7.0%
65 and over	15.3%

Health insurance coverage

Type	%
Private insurance	86.1%
Public insurance	29.6%
No insurance	1.7%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,467	96.4%
Spanish	64	1.8%
Other Indo-European	18	0.5%
Asian & Pacific Islander	29	0.8%
Other languages	17	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,443	95.7%
Born in same state	3,406	94.7%
Born in different state	3,031	84.3%
Foreign born	37	1.0%
Naturalized citizen	153	4.3%
Not a US citizen	94	61.4%

Ancestry

Ancestry	Count	%
Arab	378	10.5%
Italian	350	9.7%
French	193	5.4%
English	151	4.2%
Polish	56	1.6%

Ancestry	Count	%
Irish	24	0.7%
Dutch	8	0.2%
Norwegian	3	0.1%
German	2	0.1%

Technology access

Metric	% of households
Computer access	41.1%
Internet access	90.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 53004

What city is ZIP code 53004 in?

ZIP code 53004 is primarily assigned to Belgium, Wisconsin.

What county is ZIP code 53004 in?

ZIP code 53004 falls within Ozaukee County, Wisconsin.

Is ZIP code 53004 mostly owner-occupied?

89% of occupied units in ZIP code 53004 are owner-occupied, well above the national average.

Does ZIP code 53004 have a large retiree population?

42% of households in ZIP code 53004 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 53004?

ZIP code 53004 has an estimated population of 3,596 residents, with a density of 107 people per square mile.

What is the typical home value in ZIP code 53004?

The median home value in ZIP code 53004 is $231,400.

What timezone is ZIP code 53004 in?

ZIP code 53004 observes the CST timezone.