53070 ZIP Code — Oostburg, WI

Sheboygan County, Wisconsin

ZIP code 53070 is located in Oostburg, Wisconsin, within Sheboygan County. It covers approximately 29.49 square miles and serves a population of 4,815 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 920.

About ZIP code 53070

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $250,400. Owner-occupancy is high at 85%, well above the national average.

Median household income is $83,972. The poverty rate of 4% is below the national average. 36% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.

Educational attainment is near the national average, with 32% of residents holding a bachelor's degree or higher.

Overall, ZIP code 53070 reflects a community defined by high homeownership and a significant Social Security-dependent population.

4,815

population

29.49

sq mi land

Standard

ZIP type

Central (CT)

timezone

53070 ZIP code map

Cities in ZIP code 53070

Below are the cities the US Postal Service accepts for ZIP code 53070. Using any city not on this list may result in mail delivery delays.

City	Status
Oostburg	Preferred

Nearby ZIP codes

53013 Cedar Grove (3.8 mi) 53081 Sheboygan (7.3 mi) 53093 Waldo (8.1 mi) 53004 Belgium (8.5 mi) 53044 Kohler (8.8 mi) 53085 Sheboygan Falls (9.1 mi) 53075 Random Lake (10.5 mi) 53001 Adell (12.1 mi) 53021 Fredonia (12.9 mi) 53011 Cascade (13.2 mi) 53074 Port Washington (13.7 mi) 53073 Plymouth (14.1 mi)

Demographics updated 05/2026

Population
Total population	4,815
Population density	163 / sq mi
State FIPS	55
County FIPS	117

Geography
Land area	29.49 sq mi
Water area	2.67 sq mi
Latitude	43.6129
Longitude	-87.8082
Timezone	Central (CT)
Area code	920

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.6%	39.3%	39.4%
$50k – $100k	39.4%	35.6%	33.0%
$100k – $200k	25.4%	21.5%	22.4%
Over $200k	4.5%	3.6%	5.2%

Demographics & statistics

4,815

Population

163

People per sq mi

44.5

Median age

$83,972

Median household income

$37,565

Per capita income

$250,400

Median home value

$907

Median monthly rent

85.3%

Home ownership

4.1%

Poverty rate

2.9%

Unemployment

1,888

Housing units

31.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

165

5–9

166

174

10–14

176

202

15–19

204

128

20–24

129

216

25–34

217

236

35–44

237

334

45–54

337

156

55–59

157

232

60–64

234

299

65–74

301

122

75–84

122

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,105	22.9%
18 and over	3,710	77.1%
65 and over	928	19.3%
Median age	44.5 years

Race & ethnicity

White 91.1%

Two or more races 3.9%

Hispanic or Latino 3.1%

Other race 1.1%

Asian 0.7%

Black or African American 0.2%

Group	Count	%
White	4,525	91.1%
Two or more races	192	3.9%
Hispanic or Latino	152	3.1%
Other race	56	1.1%
Asian	33	0.7%
Black or African American	9	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.6%	39.3%	39.4%
$50k – $100k	39.4%	35.6%	33.0%
$100k – $200k	25.4%	21.5%	22.4%
Over $200k	4.5%	3.6%	5.2%

Under $10k 4.0%

$10k–$15k 2.2%

$15k–$25k 3.6%

$25k–$35k 4.2%

$35k–$50k 6.6%

$50k–$75k 24.6%

$75k–$100k 14.7%

$100k–$150k 23.7%

$150k–$200k 10.8%

$200k+ 5.7%

Range	% of households
Under $10k	4.0%
$10k–$15k	2.2%
$15k–$25k	3.6%
$25k–$35k	4.2%
$35k–$50k	6.6%
$50k–$75k	24.6%
$75k–$100k	14.7%
$100k–$150k	23.7%
$150k–$200k	10.8%
$200k+	5.7%
Median income	$83,972

Housing

Home values

Under $50k 1.1%

$50k–$100k 0.7%

$100k–$150k 16.8%

$150k–$200k 16.3%

$200k–$300k 34.1%

$300k–$500k 26.3%

$500k–$1M 4.2%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$250,400
Median rent / month	$907
Owner occupied	85.3%
Renter occupied	14.7%
Vacant	14.5%
Single-family detached	74.0%
Large apartment buildings	0.7%
Mobile homes	0.2%
Median rooms	6.3
Avg household size (owned)	2.70

Year built

Era	%
2020 or later	0.6%
2010–2019	3.2%
2000–2009	10.1%
1990–1999	14.9%
1980–1989	16.1%
1970–1979	9.0%
1960–1969	7.0%
1950–1959	3.8%
1940–1949	6.7%
1939 or earlier	28.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	5.4%
2 bedrooms	25.1%
3 bedrooms	49.5%
4 bedrooms	17.4%
5+ bedrooms	2.6%

Vehicles per household

Vehicles	% of households
No vehicle	1.6%
1 vehicle	27.8%
2 vehicles	38.6%
3 or more	32.0%

Heating fuel

Fuel type	%
Utility gas	69.2%
Electricity	15.1%
Propane / LP gas	12.5%
Fuel oil	0.6%
Wood	1.8%

Households & families

Household type	Count	%
Married-couple family	1,230	66.6%
Cohabiting couple	76	4.1%
Male householder, no spouse	182	9.9%
Female householder, no spouse	359	19.4%
Households with children under 18	537	29.1%
Households with seniors (65+)	635	34.4%
Average household size	2.59

Marital status

Status	Male	Female
Never married	27.8%	17.1%
Married	64.6%	64.3%
Separated	0.0%	0.0%
Widowed	1.7%	8.1%
Divorced	5.9%	10.5%

Education

Less than 9th grade 0.7%

Some HS, no diploma 2.9%

HS graduate 33.4%

Some college, no degree 18.6%

Associate's degree 12.6%

Bachelor's degree 22.1%

Graduate / professional 9.7%

Metric	%
HS diploma or higher	96.5%
Bachelor's or higher	31.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	51	4.2%
Kindergarten	73	6.1%
Elementary school	540	44.8%
High school	317	26.3%
College / grad school	225	18.7%

Employment

Industry of employment

Education & healthcare 23.3%

Manufacturing 22.9%

Retail trade 15.4%

Professional & management 9.0%

Construction 7.9%

Other services 6.5%

Finance & real estate 4.4%

Transportation & utilities 3.1%

Arts, food & hospitality 2.3%

Public administration 2.0%

Agriculture & mining 1.6%

Wholesale trade 1.1%

Information 0.6%

Occupation

Category	%
Management, business & arts	35.6%
Service	11.6%
Sales & office	20.4%
Natural resources & construction	13.4%
Production & transportation	19.1%

Employment type

Type	%
Private sector	78.9%
Government	10.7%
Self-employed	7.5%
Unpaid family workers	2.9%

Commute

Method	%
Drive alone	81.3%
Carpool	5.6%
Public transit	0.0%
Walk	3.9%
Work from home	8.7%
Other means	0.6%
Avg commute (minutes)	19.7

Poverty

All people 4.1%

Under 18 years 0.0%

18 and over 5.3%

Married-couple families 0.7%

Female-led households 0.0%

Income support

Source	% of households
Social Security	36.2%
Retirement income	28.3%
Supplemental Security	1.9%
Cash public assistance	0.3%
Food stamps / SNAP	1.8%

Health indicators

Condition	%
Obesity	35.5%
High blood pressure	31.2%
High cholesterol	33.3%
Diabetes	8.8%
Heart disease	6.1%
Stroke	2.8%
Asthma	9.3%
Arthritis	25.1%
Kidney disease	2.7%
Pulmonary disease	5.8%
Cancer	7.4%

Behavior / access	%
Smoking	16.2%
Binge drinking	23.7%
No physical activity	17.5%
Less than 7 hrs sleep	28.3%
Depression	19.6%
Fair or poor health	10.8%
Poor mental health	12.7%
Poor physical health	9.4%
No health insurance	9.2%
Visited doctor (checkup)	74.4%
Visited dentist	71.8%
Cholesterol screening	88.8%
Teeth loss	10.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	272	7.3%

Disability	%
Any disability	10.8%
Under 18	2.9%
18–64 years	7.8%
65 and over	29.0%

Health insurance coverage

Type	%
Private insurance	84.4%
Public insurance	26.9%
No insurance	3.0%
Uninsured under 19	4.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,628	96.1%
Spanish	77	1.7%
Other Indo-European	33	0.7%
Asian & Pacific Islander	44	1.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,713	97.9%
Born in same state	4,694	97.5%
Born in different state	4,012	83.3%
Foreign born	19	0.4%
Naturalized citizen	102	2.1%
Not a US citizen	72	70.6%

Ancestry

Ancestry	Count	%
English	1,720	35.7%
Arab	290	6%
Italian	158	3.3%
French	138	2.9%
Polish	91	1.9%

Ancestry	Count	%
Norwegian	17	0.4%
German	11	0.2%
Irish	7	0.1%
Dutch	5	0.1%

Technology access

Metric	% of households
Computer access	38.4%
Internet access	93.4%

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

Frequently asked questions about ZIP code 53070

What city is ZIP code 53070 in?

ZIP code 53070 is primarily assigned to Oostburg, Wisconsin.

What county is ZIP code 53070 in?

ZIP code 53070 falls within Sheboygan County, Wisconsin.

Is ZIP code 53070 mostly owner-occupied?

85% of occupied units in ZIP code 53070 are owner-occupied, well above the national average.

Does ZIP code 53070 have a large retiree population?

36% of households in ZIP code 53070 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 53070?

ZIP code 53070 has an estimated population of 4,815 residents, with a density of 163 people per square mile.

What is the median household income in ZIP code 53070?

The median household income in ZIP code 53070 is $83,972, above the national median of ~$75,000.

What timezone is ZIP code 53070 in?

ZIP code 53070 observes the CST timezone.