ZIP Code Tabulation Area · Wisconsin

ZIP Code 53545: Janesville, WI

ZIP Code 53545 (Janesville, Rock County, Wisconsin) has an estimated 24,703 residents in 10,909 households. The median household income is $73,889, the median home value is $220,700 and the median gross rent is $1,062/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Total population

24,703

Margin of error ±1,090

Median household income

$73,889

Margin of error ±$5,052

Median home value

$220,700

Margin of error ±$8,319

Median gross rent

$1,062/mo

Margin of error ±$49

Median age

40.8 yrs

Margin of error ±2.2 yrs

Mean travel time to work

23.1 min

Margin of error ±3.0 min

How ZIP 53545 compares with Wisconsin and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 5354540.8 yrsWisconsin40.2 yrsUnited States38.9 yrs

Median household income

ZIP 53545$73,889Wisconsin$77,485United States$80,734

Per capita income

ZIP 53545$40,317Wisconsin$43,373United States$44,673

Poverty rate

ZIP 535459.7%Wisconsin10.6%United States12.5%

Unemployment rate

ZIP 535453.6%Wisconsin3.2%United States5.2%

Bachelor's degree or higher

ZIP 5354529.8%Wisconsin33.4%United States35.7%

Median home value

ZIP 53545$220,700Wisconsin$266,500United States$332,700

Median gross rent

ZIP 53545$1,062/moWisconsin$1,087/moUnited States$1,413/mo

Owner-occupied homes

ZIP 5354564.7%Wisconsin67.8%United States65.2%

Mean travel time to work

ZIP 5354523.1 minWisconsin22.2 minUnited States26.4 min

Worked from home

ZIP 535459.2%Wisconsin13.1%United States15.1%

All figures for ZIP 53545

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 53545 — ACS 2020–2024 5-year estimates
Measure	ZIP 53545	Margin of error	Wisconsin	United States
Total population	24,703	±1,090	5,914,872	334,922,499
Median age	40.8 yrs	±2.2 yrs	40.2 yrs	38.9 yrs
Households	10,909	±517	2,479,480	129,227,496
Median household income	$73,889	±$5,052	$77,485	$80,734
Per capita income	$40,317	±$2,822	$43,373	$44,673
Poverty rate	9.7%	±1.8 pts	10.6%	12.5%
Unemployment rate	3.6%	±1.4 pts	3.2%	5.2%
Bachelor's degree or higher	29.8%	±3.0 pts	33.4%	35.7%
Median home value	$220,700	±$8,319	$266,500	$332,700
Median gross rent	$1,062/mo	±$49	$1,087/mo	$1,413/mo
Owner-occupied homes	64.7%	±3.0 pts	67.8%	65.2%
Mean travel time to work	23.1 min	±3.0 min	22.2 min	26.4 min
Worked from home	9.2%	±1.9 pts	13.1%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 53545
Group	ZIP 53545	Wisconsin	United States
White alone, not Hispanic or Latino	83.3%	78.6%	57.4%
Black or African American alone, not Hispanic or Latino	4.5%	5.9%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	0.5%	0.5%
Asian alone, not Hispanic or Latino	1.8%	2.9%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.0%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.3%	0.6%
Two or more races, not Hispanic or Latino	4.2%	3.7%	4.3%
Hispanic or Latino (of any race)	6.2%	8.0%	19.3%

Where ZIP 53545 is

State: Wisconsin
Main county: Rock County
Largest overlapping place: Janesville (42% of the ZIP's land area)
Land area: 22.51 sq mi· about 1,097 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Rock County

53501 Rock County, WI 53505 Rock County, WI 53511 Rock County, WI 53520 Rock County, WI 53525 Rock County, WI 53534 Rock County, WI 53536 Rock County, WI 53537 Footville, WI 53546 Janesville, WI 53548 Rock County, WI 53563 Rock County, WI 53576 Rock County, WI

See every ZIP code in Wisconsin, or compare ZIP 53545 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.