Postal Codes

53103 ZIP Code

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ZIP code 53103 covers Big Bend, Wisconsin, with a population of about 3,573 and a median household income of $130,938.

Population
3,573293 per square mile
Median age
50.812.1 points above the US average
Median household income
$130,9381.7× the Wisconsin median
Poverty rate
1.7%10.7 points below the US average
Typical home value
$516,329up 39.6% in five years
Median rent
$1,069about the Wisconsin median
Degree or higher
41.5%6.5 points above the US average
Homeownership
94.6%29.6 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
129

Where 53103 is

Big Bend, 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

Population3,573
Median age50.8
Family households62.1%
Born outside the US1.2%
Speaks a language other than English at home6.4%
White (non-Hispanic)94.2%
Black (non-Hispanic)0.3%
Asian (non-Hispanic)0%
Hispanic or Latino4.2%
Veterans13.5%
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$130,938
Income per person$52,461
Poverty rate1.7%
Households on SNAP or cash assistance2.3%

Household income distribution

Under $10k0.7%
$10–15k0.6%
$15–20k0.0%
$20–25k1.4%
$25–30k0.4%
$30–35k3.0%
$35–40k3.6%
$40–45k1.8%
$45–50k1.3%
$50–60k6.2%
$60–75k5.7%
$75–100k17.0%
$100–125k6.2%
$125–150k29.8%
$150–200k13.9%
$200k or more8.4%

Income as declared to the IRS

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

Tax returns filed1,970
Mean adjusted gross income$95,739
Returns declaring $200,000 or more8.6%
Returns, under $25k20.8%
Returns, $25k–$50k16.2%
Returns, $50k–$75k14.2%
Returns, $75k–$100k12.7%
Returns, $100k–$200k27.4%
Returns, $200k or more8.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$381,200
Median gross rent$1,069
Owner-occupied94.6%
Vacant homes3.4%
Median year built1978

What the homes are

Detached house97.4%
Attached house0.2%
2 to 4 units2.4%
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$516,329as of 2026-07
Typical home value, 1 yearup 8.9%
Typical home value, 5 yearsup 39.6%
Typical home value, 10 yearsup 92.4%
Typical home value since 2000
200020132026$516,329$180,246

$180,246 in 2000 to $516,329 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.9%
Bachelor's degree or higher41.5%
High school diploma or higher97.6%
Works from home13.4%
Drives to work alone85.2%
Takes public transport0%
Commutes 45 minutes or more9.4%
Health

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

Obesity34.1% 0.7 pts above the national average of 33.4%
Diagnosed diabetes10.9% 1.1 pts below the national average of 12%
Currently smokes10.9% 2.3 pts below the national average of 13.2%
High blood pressure35.5% 1.4 pts above the national average of 34.1%
Fair or poor general health13.8% 6.5 pts below the national average of 20.3%
No health insurance (18–64)5.1% 6.2 pts below the national average of 11.3%
Depression20.3% 1.6 pts below the national average of 21.9%
No leisure-time physical activity20.8% 4.6 pts below the national average of 25.4%
Arthritis28.6% 3.5 pts above the national average of 25.1%
Binge drinking20.5% 4.5 pts above the national average of 16%
Taking blood pressure medication79.8% 5.1 pts above the national average of 74.7%
Cancer (non-skin)10.6% 2.9 pts above the national average of 7.7%
Current asthma10.4% same as the national average of 10.4%
Coronary heart disease6.6% same as the national average of 6.2%
Routine check-up in past year80.5% 3.8 pts above the national average of 76.7%
Cholesterol screening90.2% 4.3 pts above the national average of 85.9%
Cognitive disability10.1% 4.7 pts below the national average of 14.8%
Colorectal screening76.9% 12.6 pts above the national average of 64.3%
COPD5.5% 1.1 pts below the national average of 6.6%
Visited a dentist74.6% 13.3 pts above the national average of 61.3%
Any disability26.4% 4.3 pts below the national average of 30.7%
Lacks emotional support16.1% 8.7 pts below the national average of 24.8%
Food insecurity6.9% 10.2 pts below the national average of 17.1%
Received food stamps6.4% 7.9 pts below the national average of 14.3%
Hearing disability6.9% same as the national average of 6.7%
High cholesterol37.3% 1.1 pts above the national average of 36.2%
Housing insecurity6.2% 7.6 pts below the national average of 13.8%
Independent living disability6% 2.4 pts below the national average of 8.4%
Lacks transport4.3% 4.9 pts below the national average of 9.2%
Loneliness28% 6.4 pts below the national average of 34.4%
Mammography use83.7% 7.8 pts above the national average of 75.9%
Poor mental health (14+ days)12.7% 4.1 pts below the national average of 16.8%
Mobility disability11.8% 2.2 pts below the national average of 14%
Poor physical health (14+ days)12% 1.5 pts below the national average of 13.5%
Self-care disability2.8% 1.2 pts below the national average of 4%
Utility shut-off threat3.5% 5.3 pts below the national average of 8.8%
Sleeps under 7 hours30.6% 5.8 pts below the national average of 36.4%
Stroke3.1% same as the national average of 3.4%
All natural teeth lost6.5% 6.5 pts below the national average of 13%
Vision disability3.2% 2.4 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments129
People employed1,199
Annual payroll$68,767,000
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 28.8% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 2 census tracts this ZIP code covers
Expected annual loss56.8 out of 100
Community resilience95.8 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.

Drought83.4Relatively Low at its worst in this ZIP code
Cold wave80.5Relatively High at its worst in this ZIP code
Hail80.5Relatively High at its worst in this ZIP code
Landslide71.3Relatively Low at its worst in this ZIP code
Tornado68Relatively High at its worst in this ZIP code
Wildfire57.5Relatively Low at its worst in this ZIP code
Winter weather55.7Relatively Moderate at its worst in this ZIP code
Ice storm54.4Relatively Moderate at its worst in this ZIP code
Heat wave45.4Relatively Moderate at its worst in this ZIP code
River flooding37.4Relatively High at its worst in this ZIP code
Strong wind32.6Relatively Low at its worst in this ZIP code
Lightning21.6Relatively Low at its worst in this ZIP code
Earthquake14.4Very Low at its worst in this ZIP code
Hurricane13.8Very 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$130,938$75,670$78,538
Income per person$52,461$42,019$43,289
Poverty rate1.7%10.6%12.4%
Median home value$381,200$247,400$303,400
Median gross rent$1,069$1,045$1,348
Homeownership94.6%67.9%65%
Bachelor's degree or higher41.5%32.8%35%
Unemployment rate1.9%3.3%5.2%
Works from home13.4%11.6%13.5%
Born outside the US1.2%5.1%13.9%
Median age50.840.138.7
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 stationWAUKESHA WWTP, WI US13.5 km away
Rain in a year36 in
Snow in a year37 in

Average high and low by month

January27.7°F / 11.6°F1.6 in rain, 10.4 in snow
February31.5°F / 14.6°F1.71 in rain, 10.1 in snow
March43°F / 24°F1.93 in rain, 4.6 in snow
April55.3°F / 34.8°F3.65 in rain, 1.1 in snow
May67.3°F / 45.8°F3.97 in rain
June77.4°F / 55.6°F4.88 in rain
July81.4°F / 60.3°F3.99 in rain
August79.8°F / 58.9°F4.18 in rain
September72.9°F / 51.1°F3.27 in rain
October60°F / 39.8°F2.92 in rain, 0.1 in snow
November45°F / 28.3°F2.15 in rain, 1.8 in snow
December33°F / 18.1°F1.7 in rain, 8.8 in snow
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 supermarket91% 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 3 school districts, so the address decides which one, not the ZIP code.

Mukwonago School District97.3% of this ZIP code's land area
Waterford Union High School District1.4% of this ZIP code's land area
Washington-Caldwell School District1.4% 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 vulnerability3more vulnerable than 3% of US census tracts
Socioeconomic status3more vulnerable than 3% of US census tracts
Household characteristics26more vulnerable than 26% of US census tracts
Racial and ethnic minority status8more vulnerable than 8% of US census tracts
Housing type and transport8more vulnerable than 8% of US census tracts
Walkability6.1 out of 20Below average
Nearby ZIP codes

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

53150 Muskego, WI7.6 km away
53189 Waukesha, WI9.8 km away
53146 New Berlin, WI10.6 km away
53149 Mukwonago, WI10.9 km away
53186 Waukesha, WI12.3 km away
53187 Waukesha, WI13.8 km away
53185 Waterford, WI14 km away
53151 New Berlin, WI14.1 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.

Waukesha County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area12.19 sq mi
Water area0.46 sq mi
Population density293 people per sq mi
Latitude, longitude42.8885, -88.2122

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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