53040 ZIP Code — Kewaskum, WI

Washington County, Wisconsin

ZIP code 53040 is located in Kewaskum, Wisconsin, within Washington County. It covers approximately 62.91 square miles and serves a population of 8,146 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 262.

About ZIP code 53040

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 $282,800. Owner-occupancy is high at 84%, well above the national average.

Median household income is $97,841. The poverty rate of 3% is below the national average. 35% 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 23% of residents holding a bachelor's degree or higher.

Overall, ZIP code 53040 reflects a community defined by high homeownership and a significant Social Security-dependent population.

8,146

population

62.91

sq mi land

Standard

ZIP type

Central (CT)

timezone

53040 ZIP code map

Cities in ZIP code 53040

Below are the cities the US Postal Service accepts for ZIP code 53040. Using any city not on this list may result in mail delivery delays.

City	Status
Kewaskum	Preferred

Nearby ZIP codes

53090 West Bend (3.9 mi) 53010 Campbellsport (8.3 mi) 53002 Allenton (8.6 mi) 53001 Adell (9.2 mi) 53075 Random Lake (10 mi) 53095 West Bend (10.3 mi) 53021 Fredonia (10.4 mi) 53011 Cascade (11.6 mi) 53091 Theresa (12.4 mi) 53048 Lomira (13 mi) 53019 Eden (13.1 mi) 53080 Saukville (13.7 mi)

Demographics updated 06/2026

Population
Total population	8,146
Population density	129 / sq mi
State FIPS	55
County FIPS	131

Geography
Land area	62.91 sq mi
Water area	0.20 sq mi
Latitude	43.5285
Longitude	-88.2012
Timezone	Central (CT)
Area code	262

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.5%	29.4%	39.4%
$50k – $100k	37.2%	34.1%	33.0%
$100k – $200k	32.1%	29.5%	22.4%
Over $200k	4.2%	7.0%	5.2%

Demographics & statistics

8,146

Population

129

People per sq mi

41.0

Median age

$97,841

Median household income

$44,095

Per capita income

$282,800

Median home value

$944

Median monthly rent

83.8%

Home ownership

2.8%

Poverty rate

3.9%

Unemployment

2,885

Housing units

23.2%

Bachelor's or higher

Age distribution

Male Female

315

Under 5

303

259

5–9

249

203

10–14

194

221

15–19

213

172

20–24

165

508

25–34

488

554

35–44

531

442

45–54

425

367

55–59

352

362

60–64

348

550

65–74

528

150

75–84

144

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,849	22.7%
18 and over	6,297	77.3%
65 and over	1,475	18.1%
Median age	41.0 years

Race & ethnicity

White 93%

Two or more races 3.7%

Hispanic or Latino 2.8%

Asian 0.3%

Black or African American 0.2%

Other race 0.1%

Group	Count	%
White	7,790	93%
Two or more races	312	3.7%
Hispanic or Latino	233	2.8%
Asian	22	0.3%
Black or African American	14	0.2%
Other race	8	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.5%	29.4%	39.4%
$50k – $100k	37.2%	34.1%	33.0%
$100k – $200k	32.1%	29.5%	22.4%
Over $200k	4.2%	7.0%	5.2%

Under $10k 1.9%

$10k–$15k 1.7%

$15k–$25k 2.3%

$25k–$35k 5.6%

$35k–$50k 8.6%

$50k–$75k 16.9%

$75k–$100k 13.2%

$100k–$150k 26.6%

$150k–$200k 15.2%

$200k+ 7.9%

Range	% of households
Under $10k	1.9%
$10k–$15k	1.7%
$15k–$25k	2.3%
$25k–$35k	5.6%
$35k–$50k	8.6%
$50k–$75k	16.9%
$75k–$100k	13.2%
$100k–$150k	26.6%
$150k–$200k	15.2%
$200k+	7.9%
Median income	$97,841

Housing

Home values

Under $50k 0.4%

$50k–$100k 0.8%

$100k–$150k 2.0%

$150k–$200k 12.8%

$200k–$300k 41.1%

$300k–$500k 32.9%

$500k–$1M 9.6%

$1M+ 0.4%

Housing overview

Metric	Value
Median home value	$282,800
Median rent / month	$944
Owner occupied	83.8%
Renter occupied	16.2%
Vacant	5.1%
Single-family detached	75.9%
Large apartment buildings	3.2%
Mobile homes	0.5%
Median rooms	6.3
Avg household size (owned)	2.61

Year built

Era	%
2020 or later	0.6%
2010–2019	6.8%
2000–2009	20.1%
1990–1999	16.7%
1980–1989	8.8%
1970–1979	12.7%
1960–1969	9.2%
1950–1959	4.5%
1940–1949	0.6%
1939 or earlier	20.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.5%
2 bedrooms	17.1%
3 bedrooms	57.3%
4 bedrooms	20.1%
5+ bedrooms	2.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.8%
1 vehicle	28.7%
2 vehicles	42.0%
3 or more	28.4%

Heating fuel

Fuel type	%
Utility gas	49.6%
Electricity	14.8%
Propane / LP gas	24.5%
Fuel oil	5.7%
Wood	4.4%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	2,080	64.3%
Cohabiting couple	217	6.7%
Male householder, no spouse	480	14.8%
Female householder, no spouse	458	14.2%
Households with children under 18	1,021	31.6%
Households with seniors (65+)	1,004	31.0%
Average household size	2.50

Marital status

Status	Male	Female
Never married	23.9%	20.3%
Married	64.2%	63.2%
Separated	1.6%	0.1%
Widowed	4.8%	7.3%
Divorced	5.5%	9.1%

Education

Less than 9th grade 0.9%

Some HS, no diploma 5.0%

HS graduate 35.1%

Some college, no degree 19.6%

Associate's degree 16.2%

Bachelor's degree 15.4%

Graduate / professional 7.8%

Metric	%
HS diploma or higher	94.1%
Bachelor's or higher	23.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	145	8.8%
Kindergarten	67	4.1%
Elementary school	725	44.2%
High school	361	22.0%
College / grad school	342	20.9%

Employment

Industry of employment

Manufacturing 23.9%

Education & healthcare 19.0%

Retail trade 11.5%

Construction 8.1%

Arts, food & hospitality 6.6%

Finance & real estate 6.2%

Professional & management 6.1%

Transportation & utilities 4.7%

Other services 3.6%

Public administration 3.4%

Wholesale trade 2.6%

Agriculture & mining 2.4%

Information 1.9%

Occupation

Category	%
Management, business & arts	34.2%
Service	10.4%
Sales & office	21.1%
Natural resources & construction	12.0%
Production & transportation	22.4%

Employment type

Type	%
Private sector	85.4%
Government	9.9%
Self-employed	4.4%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	76.2%
Carpool	12.4%
Public transit	0.6%
Walk	1.7%
Work from home	7.9%
Other means	1.2%
Avg commute (minutes)	26.0

Poverty

All people 2.8%

Under 18 years 0.0%

18 and over 3.6%

Married-couple families 0.7%

Female-led households 0.0%

Income support

Source	% of households
Social Security	34.5%
Retirement income	34.3%
Supplemental Security	3.4%
Cash public assistance	2.6%
Food stamps / SNAP	2.8%

Health indicators

Condition	%
Obesity	31.1%
High blood pressure	28.7%
High cholesterol	32.1%
Diabetes	7.8%
Heart disease	5.1%
Stroke	2.3%
Asthma	9.3%
Arthritis	22.4%
Kidney disease	2.4%
Pulmonary disease	5.1%
Cancer	6.7%

Behavior / access	%
Smoking	16.3%
Binge drinking	24.9%
No physical activity	17.5%
Less than 7 hrs sleep	31.3%
Depression	19.1%
Fair or poor health	9.7%
Poor mental health	12.6%
Poor physical health	8.4%
No health insurance	8.8%
Visited doctor (checkup)	74.0%
Visited dentist	72.8%
Cholesterol screening	88.3%
Teeth loss	9.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	518	8.2%

Disability	%
Any disability	8.7%
Under 18	1.6%
18–64 years	5.5%
65 and over	28.3%

Health insurance coverage

Type	%
Private insurance	85.8%
Public insurance	27.9%
No insurance	2.1%
Uninsured under 19	0.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,528	92.4%
Spanish	4	0.1%
Other Indo-European	0	0.0%
Asian & Pacific Islander	4	0.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,045	98.8%
Born in same state	8,042	98.7%
Born in different state	7,178	88.1%
Foreign born	3	0.0%
Naturalized citizen	101	1.2%
Not a US citizen	101	100.0%

Ancestry

Ancestry	Count	%
Italian	597	7.3%
Polish	419	5.1%
French	269	3.3%
Arab	172	2.1%
English	118	1.4%

Ancestry	Count	%
German	63	0.8%
Dutch	39	0.5%
Irish	32	0.4%
Norwegian	11	0.1%

Technology access

Metric	% of households
Computer access	39.7%
Internet access	91.5%

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

Frequently asked questions about ZIP code 53040

What city is ZIP code 53040 in?

ZIP code 53040 is primarily assigned to Kewaskum, Wisconsin.

What county is ZIP code 53040 in?

ZIP code 53040 falls within Washington County, Wisconsin.

Is ZIP code 53040 mostly owner-occupied?

84% of occupied units in ZIP code 53040 are owner-occupied, well above the national average.

What is the population of ZIP code 53040?

ZIP code 53040 has an estimated population of 8,146 residents, with a density of 129 people per square mile.

What is the median household income in ZIP code 53040?

The median household income in ZIP code 53040 is $97,841, above the national median of ~$75,000.

What is the typical home value in ZIP code 53040?

The median home value in ZIP code 53040 is $282,800.

What timezone is ZIP code 53040 in?

ZIP code 53040 observes the CST timezone.