Postal Codes

54935 ZIP Code

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ZIP code 54935 covers Fond Du Lac, Wisconsin, with a population of about 41,474 and a median household income of $63,060.

Population
41,4742,660 per square mile
Median age
37.61.1 points below the US average
Median household income
$63,06017% below the Wisconsin median
Poverty rate
12.6%about the US average
Typical home value
$240,602up 46.7% in five years
Median rent
$88016% below the Wisconsin median
Degree or higher
22.7%12.3 points below the US average
Homeownership
59.6%5.4 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
950

Where 54935 is

Fond Du Lac, 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

Population41,474
Median age37.6
Family households54.8%
Born outside the US4.9%
Speaks a language other than English at home8.2%
White (non-Hispanic)82.3%
Black (non-Hispanic)2.7%
Asian (non-Hispanic)2.8%
Hispanic or Latino8.7%
Veterans6.3%
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$63,060
Income per person$34,407
Poverty rate12.6%
Households on SNAP or cash assistance14.8%

Household income distribution

Under $10k4.4%
$10–15k5.0%
$15–20k4.3%
$20–25k3.2%
$25–30k3.7%
$30–35k3.9%
$35–40k5.0%
$40–45k5.5%
$45–50k4.1%
$50–60k8.0%
$60–75k12.4%
$75–100k13.5%
$100–125k12.1%
$125–150k4.6%
$150–200k6.2%
$200k or more4.0%

Income as declared to the IRS

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

Tax returns filed20,220
Mean adjusted gross income$65,149
Returns declaring $200,000 or more2.6%
Returns, under $25k27.4%
Returns, $25k–$50k26.7%
Returns, $50k–$75k18.7%
Returns, $75k–$100k10.7%
Returns, $100k–$200k13.9%
Returns, $200k or more2.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$166,400
Median gross rent$880
Rent as a share of household income26.1%
Owner-occupied59.6%
Vacant homes7%
Median year built1966

What the homes are

Detached house61.2%
Attached house4.2%
2 to 4 units10.1%
5 to 19 units16%
20 or more units6.5%
Mobile home2%
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$240,602as of 2026-07
Typical home value, 1 yearup 5.1%
Typical home value, 5 yearsup 46.7%
Typical home value, 10 yearsup 109.1%
Typical asking rent$1,149as of 2026-07
Typical asking rent, 1 yearup 10.7%
Typical home value since 2000
200920172026$240,602$106,427

$112,656 in 2009 to $240,602 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4%
Bachelor's degree or higher22.7%
High school diploma or higher91.4%
Works from home8.8%
Drives to work alone75.6%
Takes public transport0.2%
Commutes 45 minutes or more9.8%
Health

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

Obesity44.5% 11.1 pts above the national average of 33.4%
Diagnosed diabetes11.4% 0.6 pts below the national average of 12%
Currently smokes15.7% 2.5 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 health18.8% 1.5 pts below the national average of 20.3%
No health insurance (18–64)9.4% 1.9 pts below the national average of 11.3%
Depression25.1% 3.2 pts above the national average of 21.9%
No leisure-time physical activity30.4% 5 pts above the national average of 25.4%
Arthritis28% 2.9 pts above the national average of 25.1%
Binge drinking18.9% 2.9 pts above the national average of 16%
Taking blood pressure medication76.9% 2.2 pts above the national average of 74.7%
Cancer (non-skin)8.3% 0.6 pts above the national average of 7.7%
Current asthma11.3% 0.9 pts above the national average of 10.4%
Coronary heart disease6.7% 0.5 pts above the national average of 6.2%
Routine check-up in past year77.3% 0.6 pts above the national average of 76.7%
Cholesterol screening84.1% 1.8 pts below the national average of 85.9%
Cognitive disability14.5% same as the national average of 14.8%
Colorectal screening66.6% 2.3 pts above the national average of 64.3%
COPD7.1% 0.5 pts above the national average of 6.6%
Visited a dentist64.2% 2.9 pts above the national average of 61.3%
Any disability33% 2.3 pts above the national average of 30.7%
Lacks emotional support21.2% 3.6 pts below the national average of 24.8%
Food insecurity13.6% 3.5 pts below the national average of 17.1%
Received food stamps14.6% same as the national average of 14.3%
Hearing disability7.4% 0.7 pts above the national average of 6.7%
High cholesterol34.9% 1.3 pts below the national average of 36.2%
Housing insecurity10.9% 2.9 pts below the national average of 13.8%
Independent living disability8.9% 0.5 pts above the national average of 8.4%
Lacks transport7.5% 1.7 pts below the national average of 9.2%
Loneliness32.4% 2 pts below the national average of 34.4%
Mammography use78.1% 2.2 pts above the national average of 75.9%
Poor mental health (14+ days)16.6% same as the national average of 16.8%
Mobility disability14.8% 0.8 pts above the national average of 14%
Poor physical health (14+ days)14% 0.5 pts above the national average of 13.5%
Self-care disability3.8% same as the national average of 4%
Utility shut-off threat6.2% 2.6 pts below the national average of 8.8%
Sleeps under 7 hours30.9% 5.5 pts below the national average of 36.4%
Stroke3.5% same as the national average of 3.4%
All natural teeth lost11.3% 1.7 pts below the national average of 13%
Vision disability4.9% 0.7 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments950
People employed19,896
Annual payroll$1,044,048,000
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 58.6% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 14 census tracts this ZIP code covers
Expected annual loss62.7 out of 100
Community resilience91 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 wave92.6Very High at its worst in this ZIP code
Hail89.2Relatively High at its worst in this ZIP code
Strong wind85.9Relatively High at its worst in this ZIP code
Tornado83Very High at its worst in this ZIP code
Winter weather69.8Relatively High at its worst in this ZIP code
Lightning63.3Relatively Moderate at its worst in this ZIP code
River flooding59.4Relatively High at its worst in this ZIP code
Heat wave57.3Relatively Moderate at its worst in this ZIP code
Wildfire41.5Relatively Low at its worst in this ZIP code
Landslide34.3Relatively Low at its worst in this ZIP code
Hurricane22Very Low at its worst in this ZIP code
Ice storm21.1Very Low at its worst in this ZIP code
Earthquake16.9Very 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$63,060$75,670$78,538
Income per person$34,407$42,019$43,289
Poverty rate12.6%10.6%12.4%
Median home value$166,400$247,400$303,400
Median gross rent$880$1,045$1,348
Homeownership59.6%67.9%65%
Bachelor's degree or higher22.7%32.8%35%
Unemployment rate4%3.3%5.2%
Works from home8.8%11.6%13.5%
Born outside the US4.9%5.1%13.9%
Median age37.640.138.7
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 stationFOND DU LAC 2 SW, WI US2.6 km away
Rain in a year32 in

Average high and low by month

January26.3°F / 11.5°F1.37 in rain
February31°F / 14.7°F1.25 in rain
March41.9°F / 24.7°F1.91 in rain
April55.6°F / 36.1°F3.23 in rain
May68.2°F / 47.9°F3.58 in rain
June77.5°F / 58.3°F4.47 in rain
July82.1°F / 63.1°F3.77 in rain
August78.8°F / 61.5°F3.5 in rain
September71.7°F / 52.9°F3.03 in rain
October59.4°F / 41.6°F2.81 in rain
November44.4°F / 29.5°F1.93 in rain
December31.8°F / 18.2°F1.53 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 supermarket10% of this ZIP code's area
Far from a supermarket69% of this ZIP code's area
No vehicle and far from a supermarket54% of this ZIP code's area
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%.

Fond du Lac School District100% 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 vulnerability42more vulnerable than 42% of US census tracts
Socioeconomic status35more vulnerable than 35% of US census tracts
Household characteristics46more vulnerable than 46% of US census tracts
Racial and ethnic minority status24more vulnerable than 24% of US census tracts
Housing type and transport60more vulnerable than 60% of US census tracts
Walkability7.8 out of 20Below average
Nearby ZIP codes

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

54936 Fond Du Lac, WI0.3 km away
53019 Eden, WI12.3 km away
54979 Van Dyne, WI12.6 km away
54937 Fond Du Lac, WI13.7 km away
53065 Oakfield, WI13.8 km away
53057 Mount Calvary, WI16.3 km away
53049 Malone, WI16.4 km away
54974 Rosendale, WI16.7 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.

Fond du Lac County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area15.59 sq mi
Water area0.9 sq mi
Population density2,660 people per sq mi
Latitude, longitude43.7742, -88.4352

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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