Postal Codes

53548 ZIP Code

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ZIP code 53548 covers Janesville, Wisconsin, with a population of about 20,509 and a median household income of $74,696.

Population
20,509274 per square mile
Median age
40.82.1 points above the US average
Median household income
$74,696about the Wisconsin median
Poverty rate
10.8%1.6 points below the US average
Typical home value
$290,024up 40.9% in five years
Median rent
$999about the Wisconsin median
Degree or higher
26.7%8.3 points below the US average
Homeownership
67.9%2.9 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
289

Where 53548 is

Janesville, 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

Population20,509
Median age40.8
Family households66.7%
Born outside the US4.1%
Speaks a language other than English at home7.4%
White (non-Hispanic)84.1%
Black (non-Hispanic)3.5%
Asian (non-Hispanic)1.9%
Hispanic or Latino7.2%
Veterans6.8%
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$74,696
Income per person$35,395
Poverty rate10.8%
Households on SNAP or cash assistance17.1%

Household income distribution

Under $10k4.7%
$10–15k1.9%
$15–20k4.3%
$20–25k3.2%
$25–30k4.6%
$30–35k2.3%
$35–40k3.7%
$40–45k4.0%
$45–50k4.6%
$50–60k5.9%
$60–75k11.0%
$75–100k19.4%
$100–125k10.0%
$125–150k8.3%
$150–200k8.5%
$200k or more3.6%

Income as declared to the IRS

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

Tax returns filed9,280
Mean adjusted gross income$64,809
Returns declaring $200,000 or more3.4%
Returns, under $25k28.4%
Returns, $25k–$50k26.9%
Returns, $50k–$75k16.1%
Returns, $75k–$100k10.3%
Returns, $100k–$200k14.8%
Returns, $200k or more3.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$226,600
Median gross rent$999
Rent as a share of household income26.8%
Owner-occupied67.9%
Vacant homes5.1%
Median year built1966

What the homes are

Detached house77.1%
Attached house2.9%
2 to 4 units11.2%
5 to 19 units3%
20 or more units3.9%
Mobile home1.9%
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$290,024as of 2026-07
Typical home value, 1 yearup 6.5%
Typical home value, 5 yearsup 40.9%
Typical home value, 10 yearsup 118.6%
Typical home value since 2000
201220192026$290,024$111,092

$111,092 in 2012 to $290,024 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.4%
Bachelor's degree or higher26.7%
High school diploma or higher93.8%
Works from home8.6%
Drives to work alone77.7%
Takes public transport0.6%
Commutes 45 minutes or more13.8%
Health

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

Obesity41.8% 8.4 pts above the national average of 33.4%
Diagnosed diabetes12% same as the national average of 12%
Currently smokes15.3% 2.1 pts above the national average of 13.2%
High blood pressure33.1% 1 pts below the national average of 34.1%
Fair or poor general health19.5% 0.8 pts below the national average of 20.3%
No health insurance (18–64)8.5% 2.8 pts below the national average of 11.3%
Depression23.8% 1.9 pts above the national average of 21.9%
No leisure-time physical activity29.4% 4 pts above the national average of 25.4%
Arthritis27% 1.9 pts above the national average of 25.1%
Binge drinking17.2% 1.2 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)8.6% 0.9 pts above the national average of 7.7%
Current asthma11.4% 1 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 year76.6% same as the national average of 76.7%
Cholesterol screening85.1% 0.8 pts below the national average of 85.9%
Cognitive disability13.7% 1.1 pts below the national average of 14.8%
Colorectal screening66.7% 2.4 pts above the national average of 64.3%
COPD6.9% same as the national average of 6.6%
Visited a dentist63.3% 2 pts above the national average of 61.3%
Any disability31.1% same as the national average of 30.7%
Lacks emotional support21.6% 3.2 pts below the national average of 24.8%
Food insecurity13% 4.1 pts below the national average of 17.1%
Received food stamps14% same as the national average of 14.3%
Hearing disability7.1% same as the national average of 6.7%
High cholesterol34.4% 1.8 pts below the national average of 36.2%
Housing insecurity10.4% 3.4 pts below the national average of 13.8%
Independent living disability8.5% same as the national average of 8.4%
Lacks transport7.2% 2 pts below the national average of 9.2%
Loneliness31.3% 3.1 pts below the national average of 34.4%
Mammography use74.8% 1.1 pts below the national average of 75.9%
Poor mental health (14+ days)16.4% same as the national average of 16.8%
Mobility disability14% same as the national average of 14%
Poor physical health (14+ days)13.9% same as the national average of 13.5%
Self-care disability3.7% same as the national average of 4%
Utility shut-off threat6% 2.8 pts below the national average of 8.8%
Sleeps under 7 hours36.8% same as the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost11.8% 1.2 pts below the national average of 13%
Vision disability4.6% 1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments289
People employed2,688
Annual payroll$115,762,000
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 63.3% of US census tracts
FEMA ratingVery Low to Relatively High across the 8 census tracts this ZIP code covers
Expected annual loss76.9 out of 100
Community resilience73.6 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.

Hail92.1Relatively High at its worst in this ZIP code
Cold wave90.4Relatively High at its worst in this ZIP code
Tornado88.4Relatively High at its worst in this ZIP code
Drought85.8Relatively Low at its worst in this ZIP code
Landslide82.1Relatively Low at its worst in this ZIP code
Strong wind81.8Relatively High at its worst in this ZIP code
Lightning79Relatively High at its worst in this ZIP code
River flooding66.2Relatively High at its worst in this ZIP code
Wildfire60.5Relatively Low at its worst in this ZIP code
Heat wave57.6Relatively Moderate at its worst in this ZIP code
Winter weather53.4Relatively Moderate at its worst in this ZIP code
Ice storm43.2Relatively Low at its worst in this ZIP code
Earthquake28Relatively Low at its worst in this ZIP code
Hurricane23.4Very 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$74,696$75,670$78,538
Income per person$35,395$42,019$43,289
Poverty rate10.8%10.6%12.4%
Median home value$226,600$247,400$303,400
Median gross rent$999$1,045$1,348
Homeownership67.9%67.9%65%
Bachelor's degree or higher26.7%32.8%35%
Unemployment rate5.4%3.3%5.2%
Works from home8.6%11.6%13.5%
Born outside the US4.1%5.1%13.9%
Median age40.840.138.7
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 stationAFTON - JANESVILLE WWTP, WI US7.5 km away
Rain in a year37 in
Snow in a year37 in

Average high and low by month

January28.3°F / 11.6°F1.63 in rain, 10.8 in snow
February32.4°F / 14.7°F1.61 in rain, 10.1 in snow
March44.6°F / 25.4°F2.06 in rain, 4.1 in snow
April57.9°F / 36.1°F3.57 in rain, 1.3 in snow
May69.9°F / 48°F4.09 in rain
June79.9°F / 58°F4.99 in rain
July83.4°F / 61.7°F4.19 in rain
August81.7°F / 59.5°F4.34 in rain
September75.1°F / 51°F3.73 in rain
October61.7°F / 39.5°F2.99 in rain, 0.2 in snow
November46.3°F / 28.5°F2.33 in rain, 2.4 in snow
December33.5°F / 18.1°F1.9 in rain, 7.7 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 supermarket2% of this ZIP code's area
No vehicle and far from a supermarket2% 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%.

This ZIP code is served by 4 school districts, so the address decides which one, not the ZIP code.

Janesville School District41% of this ZIP code's land area
Parkview School District37.7% of this ZIP code's land area
Evansville Community School District11.9% of this ZIP code's land area
Edgerton School District9.4% 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 vulnerability28more vulnerable than 28% of US census tracts
Socioeconomic status19more vulnerable than 19% of US census tracts
Household characteristics53more vulnerable than 53% of US census tracts
Racial and ethnic minority status13more vulnerable than 13% of US census tracts
Housing type and transport47more vulnerable than 47% of US census tracts
Walkability7.2 out of 20Below average
Nearby ZIP codes

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

53542 Hanover, WI6.4 km away
53537 Footville, WI6.9 km away
53545 Janesville, WI9.1 km away
53547 Janesville, WI9.4 km away
53501 Afton, WI10.1 km away
53546 Janesville, WI10.5 km away
53576 Orfordville, WI12 km away
53511 Beloit, WI14.2 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.

Rock County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area74.98 sq mi
Water area1.17 sq mi
Population density274 people per sq mi
Latitude, longitude42.6854, -89.1287

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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