Postal Codes

53040 ZIP Code

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ZIP code 53040 covers Kewaskum, Wisconsin, with a population of about 8,223 and a median household income of $99,425.

Population
8,223131 per square mile
Median age
40.31.6 points above the US average
Median household income
$99,4251.3× the Wisconsin median
Poverty rate
5.5%6.9 points below the US average
Typical home value
$404,914up 30.5% in five years
Median rent
$9816% below the Wisconsin median
Degree or higher
24.2%10.8 points below the US average
Homeownership
85.7%20.7 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
160

Where 53040 is

Kewaskum, Wisconsin — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population8,223
Median age40.3
Family households75.2%
Born outside the US1.5%
Speaks a language other than English at home2.5%
White (non-Hispanic)95.1%
Black (non-Hispanic)0.2%
Asian (non-Hispanic)0.4%
Hispanic or Latino3.2%
Veterans7.4%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$99,425
Income per person$42,928
Poverty rate5.5%
Households on SNAP or cash assistance5.1%

Household income distribution

Under $10k3.1%
$10–15k1.6%
$15–20k2.0%
$20–25k2.3%
$25–30k3.7%
$30–35k1.5%
$35–40k2.5%
$40–45k1.7%
$45–50k2.5%
$50–60k6.7%
$60–75k10.0%
$75–100k12.8%
$100–125k10.3%
$125–150k16.2%
$150–200k17.3%
$200k or more5.8%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed4,400
Mean adjusted gross income$85,287
Returns declaring $200,000 or more5.2%
Returns, under $25k23.6%
Returns, $25k–$50k19.3%
Returns, $50k–$75k15.7%
Returns, $75k–$100k11.8%
Returns, $100k–$200k24.3%
Returns, $200k or more5.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$312,500
Median gross rent$981
Rent as a share of household income24.8%
Owner-occupied85.7%
Vacant homes4.8%
Median year built1984

What the homes are

Detached house78.8%
Attached house10.3%
2 to 4 units5.2%
5 to 19 units2.9%
20 or more units2.5%
Mobile home0.3%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$404,914as of 2026-07
Typical home value, 1 yearup 6.3%
Typical home value, 5 yearsup 30.5%
Typical home value, 10 yearsup 83.9%
Typical home value since 2000
200420152026$404,914$182,295

$231,426 in 2004 to $404,914 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.9%
Bachelor's degree or higher24.2%
High school diploma or higher94.6%
Works from home7.8%
Drives to work alone79.2%
Takes public transport0.3%
Commutes 45 minutes or more17.2%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity38.2% 4.8 pts above the national average of 33.4%
Diagnosed diabetes10.8% 1.2 pts below the national average of 12%
Currently smokes13.8% 0.6 pts above the national average of 13.2%
High blood pressure33.6% 0.5 pts below the national average of 34.1%
Fair or poor general health16.5% 3.8 pts below the national average of 20.3%
No health insurance (18–64)6.7% 4.6 pts below the national average of 11.3%
Depression23.3% 1.4 pts above the national average of 21.9%
No leisure-time physical activity24.5% 0.9 pts below the national average of 25.4%
Arthritis27.1% 2 pts above the national average of 25.1%
Binge drinking20.5% 4.5 pts above the national average of 16%
Taking blood pressure medication78.8% 4.1 pts above the national average of 74.7%
Cancer (non-skin)9.4% 1.7 pts above the national average of 7.7%
Current asthma10.9% 0.5 pts above the national average of 10.4%
Coronary heart disease6.8% 0.6 pts above the national average of 6.2%
Routine check-up in past year78.7% 2 pts above the national average of 76.7%
Cholesterol screening87.6% 1.7 pts above the national average of 85.9%
Cognitive disability12.3% 2.5 pts below the national average of 14.8%
Colorectal screening70.5% 6.2 pts above the national average of 64.3%
COPD6.5% same as the national average of 6.6%
Visited a dentist71.3% 10 pts above the national average of 61.3%
Any disability27.8% 2.9 pts below the national average of 30.7%
Lacks emotional support19.5% 5.3 pts below the national average of 24.8%
Food insecurity9.7% 7.4 pts below the national average of 17.1%
Received food stamps10% 4.3 pts below the national average of 14.3%
Hearing disability7.2% 0.5 pts above the national average of 6.7%
High cholesterol35.9% same as the national average of 36.2%
Housing insecurity8.2% 5.6 pts below the national average of 13.8%
Independent living disability7.4% 1 pts below the national average of 8.4%
Lacks transport5.7% 3.5 pts below the national average of 9.2%
Loneliness29.2% 5.2 pts below the national average of 34.4%
Mammography use81% 5.1 pts above the national average of 75.9%
Poor mental health (14+ days)15.6% 1.2 pts below the national average of 16.8%
Mobility disability12.9% 1.1 pts below the national average of 14%
Poor physical health (14+ days)13% 0.5 pts below the national average of 13.5%
Self-care disability3.4% 0.6 pts below the national average of 4%
Utility shut-off threat4.7% 4.1 pts below the national average of 8.8%
Sleeps under 7 hours33.5% 2.9 pts below the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost8.3% 4.7 pts below the national average of 13%
Vision disability4% 1.6 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments160
People employed1,597
Annual payroll$72,796,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 66.1% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 6 census tracts this ZIP code covers
Expected annual loss68.3 out of 100
Community resilience94.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Cold wave93.2Very High at its worst in this ZIP code
Hail90.4Relatively High at its worst in this ZIP code
Landslide87.2Relatively Low at its worst in this ZIP code
Tornado86.4Very High at its worst in this ZIP code
Wildfire77.4Relatively Low at its worst in this ZIP code
Strong wind76.1Relatively High at its worst in this ZIP code
River flooding71Relatively High at its worst in this ZIP code
Winter weather71Relatively Moderate at its worst in this ZIP code
Lightning67.8Relatively Moderate at its worst in this ZIP code
Drought67.7Relatively Low at its worst in this ZIP code
Heat wave61.8Relatively Moderate at its worst in this ZIP code
Hurricane24.6Very Low at its worst in this ZIP code
Ice storm20.6Very Low at its worst in this ZIP code
Earthquake17.9Very Low at its worst in this ZIP code
Compared with Wisconsin and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPWisconsinUnited States
Median household income$99,425$75,670$78,538
Income per person$42,928$42,019$43,289
Poverty rate5.5%10.6%12.4%
Median home value$312,500$247,400$303,400
Median gross rent$981$1,045$1,348
Homeownership85.7%67.9%65%
Bachelor's degree or higher24.2%32.8%35%
Unemployment rate3.9%3.3%5.2%
Works from home7.8%11.6%13.5%
Born outside the US1.5%5.1%13.9%
Median age40.340.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationW BEND PUBLIC WORKS, WI US12.3 km away
Rain in a year36 in

Average high and low by month

January26.7°F / 10.7°F1.85 in rain
February31°F / 13.6°F1.67 in rain
March41.7°F / 23.3°F1.98 in rain
April54.5°F / 33.5°F3.86 in rain
May66.9°F / 44.9°F3.9 in rain
June76.8°F / 55.4°F4.4 in rain
July81.6°F / 60.2°F3.96 in rain
August79°F / 59.1°F4.05 in rain
September72.2°F / 51.3°F3.21 in rain
October58.8°F / 39.6°F2.93 in rain
November44.1°F / 28.5°F2.06 in rain
December32.9°F / 17.7°F1.97 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket39% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Kewaskum School District97.1% of this ZIP code's land area
Random Lake School District1.8% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability11more vulnerable than 11% of US census tracts
Socioeconomic status15more vulnerable than 15% of US census tracts
Household characteristics11more vulnerable than 11% of US census tracts
Racial and ethnic minority status10more vulnerable than 10% of US census tracts
Housing type and transport28more vulnerable than 28% of US census tracts
Walkability5.4 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

53090 West Bend, WI8.6 km away
53095 West Bend, WI11 km away
53010 Campbellsport, WI11.3 km away
53002 Allenton, WI14.3 km away
53060 Newburg, WI14.3 km away
53001 Adell, WI17 km away
53011 Cascade, WI17.2 km away
53075 Random Lake, WI17.7 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Washington County76.9% of this ZIP code's land area
Sheboygan County12.6% of this ZIP code's land area
Fond du Lac County10.5% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area62.91 sq mi
Water area0.2 sq mi
Population density131 people per sq mi
Latitude, longitude43.5214, -88.1925

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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