Postal Codes

53545 ZIP Code

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ZIP code 53545 covers Janesville, Wisconsin, with a population of about 23,937 and a median household income of $70,730.

Population
23,9371,064 per square mile
Median age
41.12.4 points above the US average
Median household income
$70,7307% below the Wisconsin median
Poverty rate
9.8%2.6 points below the US average
Typical home value
$289,272up 38.7% in five years
Median rent
$1,006about the Wisconsin median
Degree or higher
29.3%5.7 points below the US average
Homeownership
64.8%about the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
794

Where 53545 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

Population23,937
Median age41.1
Family households57.7%
Born outside the US2.9%
Speaks a language other than English at home5.4%
White (non-Hispanic)86%
Black (non-Hispanic)4.6%
Asian (non-Hispanic)1.8%
Hispanic or Latino3.5%
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$70,730
Income per person$40,385
Poverty rate9.8%
Households on SNAP or cash assistance13.1%

Household income distribution

Under $10k4.2%
$10–15k2.5%
$15–20k3.7%
$20–25k4.0%
$25–30k3.7%
$30–35k3.7%
$35–40k3.6%
$40–45k3.1%
$45–50k4.6%
$50–60k8.7%
$60–75k11.2%
$75–100k18.0%
$100–125k11.6%
$125–150k5.1%
$150–200k7.5%
$200k or more4.7%

Income as declared to the IRS

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

Tax returns filed11,990
Mean adjusted gross income$75,716
Returns declaring $200,000 or more3.6%
Returns, under $25k26.3%
Returns, $25k–$50k26.6%
Returns, $50k–$75k18.2%
Returns, $75k–$100k10.8%
Returns, $100k–$200k14.6%
Returns, $200k or more3.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$204,000
Median gross rent$1,006
Rent as a share of household income26.8%
Owner-occupied64.8%
Vacant homes3.6%
Median year built1965

What the homes are

Detached house67.6%
Attached house5%
2 to 4 units8.1%
5 to 19 units8.4%
20 or more units10.3%
Mobile home0.4%
Boat, RV or van0.1%
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$289,272as of 2026-07
Typical home value, 1 yearup 5.3%
Typical home value, 5 yearsup 38.7%
Typical home value, 10 yearsup 110.9%
Typical asking rent$1,131as of 2026-07
Typical asking rent, 1 yearup 5.1%
Typical home value since 2000
201220192026$289,272$116,096

$116,096 in 2012 to $289,272 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.5%
Bachelor's degree or higher29.3%
High school diploma or higher93.9%
Works from home8%
Drives to work alone80.7%
Takes public transport0.8%
Commutes 45 minutes or more13.2%
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 diabetes12.1% same as the national average of 12%
Currently smokes15.1% 1.9 pts above the national average of 13.2%
High blood pressure33.2% 0.9 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)8.4% 2.9 pts below the national average of 11.3%
Depression23.8% 1.9 pts above the national average of 21.9%
No leisure-time physical activity29.5% 4.1 pts above the national average of 25.4%
Arthritis27% 1.9 pts above the national average of 25.1%
Binge drinking17.1% 1.1 pts above the national average of 16%
Taking blood pressure medication77% 2.3 pts above the national average of 74.7%
Cancer (non-skin)8.6% 0.9 pts above the national average of 7.7%
Current asthma11.3% 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 year76.7% same as the national average of 76.7%
Cholesterol screening85.1% 0.8 pts below the national average of 85.9%
Cognitive disability13.6% 1.2 pts below the national average of 14.8%
Colorectal screening68.5% 4.2 pts above the national average of 64.3%
COPD7% same as the national average of 6.6%
Visited a dentist64.8% 3.5 pts above the national average of 61.3%
Any disability31.2% 0.5 pts above the national average of 30.7%
Lacks emotional support21.1% 3.7 pts below the national average of 24.8%
Food insecurity13% 4.1 pts below the national average of 17.1%
Received food stamps14.1% same as the national average of 14.3%
Hearing disability7.2% 0.5 pts above the national average of 6.7%
High cholesterol34.3% 1.9 pts below the national average of 36.2%
Housing insecurity10.3% 3.5 pts below the national average of 13.8%
Independent living disability8.5% same as the national average of 8.4%
Lacks transport7.1% 2.1 pts below the national average of 9.2%
Loneliness31.1% 3.3 pts below the national average of 34.4%
Mammography use76% same as the national average of 75.9%
Poor mental health (14+ days)16.3% 0.5 pts below the national average of 16.8%
Mobility disability14.2% 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 hours36.2% same as the national average of 36.4%
Stroke3.5% same as the national average of 3.4%
All natural teeth lost9.7% 3.3 pts below the national average of 13%
Vision disability4.7% 0.9 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments794
People employed15,490
Annual payroll$780,571,000
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 66.8% of US census tracts
FEMA ratingVery Low to Relatively High across the 9 census tracts this ZIP code covers
Expected annual loss78.4 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.

Hail91.6Relatively High at its worst in this ZIP code
Cold wave89.3Relatively High at its worst in this ZIP code
Tornado88.8Relatively High at its worst in this ZIP code
Lightning78.5Relatively High at its worst in this ZIP code
Strong wind78.5Relatively High at its worst in this ZIP code
Landslide76.6Relatively Low at its worst in this ZIP code
River flooding72.6Relatively High at its worst in this ZIP code
Drought66.5Relatively Low at its worst in this ZIP code
Wildfire60.5Relatively Low at its worst in this ZIP code
Heat wave55.7Relatively Moderate at its worst in this ZIP code
Winter weather51.5Relatively Moderate at its worst in this ZIP code
Ice storm39.6Relatively Low at its worst in this ZIP code
Earthquake35Relatively Low at its worst in this ZIP code
Hurricane21.1Very 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$70,730$75,670$78,538
Income per person$40,385$42,019$43,289
Poverty rate9.8%10.6%12.4%
Median home value$204,000$247,400$303,400
Median gross rent$1,006$1,045$1,348
Homeownership64.8%67.9%65%
Bachelor's degree or higher29.3%32.8%35%
Unemployment rate4.5%3.3%5.2%
Works from home8%11.6%13.5%
Born outside the US2.9%5.1%13.9%
Median age41.140.138.7
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 US11.1 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 supermarket9% of this ZIP code's area
Far from a supermarket17% 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.

Milton School District47.5% of this ZIP code's land area
Janesville School District43.7% of this ZIP code's land area
Edgerton School District8.8% 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 vulnerability23more vulnerable than 23% of US census tracts
Socioeconomic status14more vulnerable than 14% of US census tracts
Household characteristics53more vulnerable than 53% of US census tracts
Racial and ethnic minority status17more vulnerable than 17% of US census tracts
Housing type and transport40more vulnerable than 40% of US census tracts
Walkability8.9 out of 20Below average
Nearby ZIP codes

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

53547 Janesville, WI1.1 km away
53546 Janesville, WI8.1 km away
53563 Milton, WI8.6 km away
53548 Janesville, WI9.1 km away
53534 Edgerton, WI11.6 km away
53501 Afton, WI14.7 km away
53542 Hanover, WI15 km away
53537 Footville, WI15.6 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 area22.51 sq mi
Water area0.35 sq mi
Population density1,064 people per sq mi
Latitude, longitude42.7355, -89.0405

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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