Checked
ZIP Code 53545
Janesville, WI, Rock County
Population
24,703
Land area
22.5sq mi
People per sq mi
1,098
City
Janesville
ZIP 53545 and nearby ZIP codes
ZIP 53545 at a glance
- ZIP 53545 (Janesville) is about 10 times as dense as Wisconsin as a whole.
- The median household income is $73,889, 5% below the Wisconsin median of $77,485.
- A typical owner-occupied home is valued at $220,700 (17% below Wisconsin) and median rent is $1,062 a month.
Local data for ZIP 53545
Counts from official public data
Housing and community stats
ZIP 53545, American Community Survey 2020-2024
Median household income
$73,889
Poverty rate
9.7%
Median home value
$220,700
Prices +7.0% in a year
Median rent
$1,062/mo
Homeownership
64.7%
Bachelor's or higher
29.8%
Median age
40.8
Average commute
23.1 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
773
ZIP Business Patterns 2023
Employees
15,292
$769M annual payroll
PPP loans
$56.7M
675 loans
Campaign donations
$369K
13% D, 13% R, 2026 cycle
Environment and hazard risk
ZIP 53545, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: hail
Storm events since 1996
1,089
Countywide, mostly thunderstorm wind
Flood insurance policies
221
0.4% of homes, county
July high / Jan low
83° / 12°F
37.4 inches of rain a year
Health statistics
Share of adults in ZIP 53545, CDC PLACES estimates
Obesity
41.8%
U.S. 33.3% +8.5 pts
Diabetes
12.1%
U.S. 12.1% about the same
Smoking
15.1%
U.S. 12.8% +2.3 pts
Uninsured (18-64)
8.4%
U.S. 11.1% -2.7 pts
Frequently asked questions
- What city is ZIP code 53545?
- ZIP code 53545 is in Janesville, WI (Rock County).
- What county is ZIP code 53545 in?
- ZIP code 53545 is mostly in Rock County, Wisconsin.
- How many people live in ZIP code 53545?
- About 24,703 people live in the 53545 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.