53545 ZIP Code, Janesville, WI

53545 is a ZIP code in Janesville, Wisconsin in Rock County. It covers 23 square miles of land. The closest ZIP codes are 53548, 53563 and 53546. 24,703 people live here in 10,909 households, more than in 9 of every 10 Wisconsin ZIP codes. At about 1,098 people per square mile it has suburban density, and owners and renters are mixed (65% own). Median household income is $73,889, close to the Wisconsin median of $77,485.

Quick facts

Key figures

MeasureValue
Residents24,703
Households10,909
Median household income$73,889
Income per person$40,317
Median age40.8
Homeowners64.7%
Median home value$220,700
Median rent$1,062
Bachelor's degree or higher29.8%
Average commute (minutes)23.1
Households with kids under 1825.6%
Moved in the past year10.4%
Below the poverty line9.7%
Broadband internet92.5%
Speak a non-English language at home6.8%

Household income

% of householdsValue
<$10K5.0%
$10–15K2.4%
$15–25K7.1%
$25–35K7.0%
$35–50K11.7%
$50–75K17.9%
$75–100K18.9%
$100–150K16.9%
$150–200K8.2%
$200K+4.9%

Age

% of all residentsValue
<1011.4%
10–1912.9%
20–245.3%
25–3413.7%
35–4413.4%
45–5411.0%
55–6413.7%
65–7410.0%
75+8.7%

Tenure

% of housing unitsValue
Owned, with mortgage36.4%
Owned outright27.1%
Rented33.4%
Vacant3.1%

Type of building

% of housing unitsValue
Detached house68.0%
Townhome5.2%
2–4 units7.5%
5–19 units8.6%
20+ units10.2%
Mobile / other0.5%

Businesses in 53545

773 business establishments with 15,292 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 53545 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 53545

Where it ranks

Mail every home in 53545

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 53545, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 53545 in?
53545 is a Janesville, WI mailing address. By land area, 42% lies inside Janesville; the rest is outside any Census-defined city or community.
What county is 53545 in?
53545 is in Rock County.
What is the population of 53545?
About 24,703 people (±1,090), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 23,318.
What is the median household income in 53545?
$73,889 (±$5,052), compared with $77,485 for Wisconsin as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 53545?
EDDM2GO's stored route library does not include 53545 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 53545?
The closest, measured center to center: 53548 (5.7 mi, Janesville), 53563 (6.2 mi, Milton), 53546 (7.6 mi, Janesville), 53534 (8.9 mi, Edgerton), 53501 (9.5 mi) and 53537 (9.8 mi, Footville).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.