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ZIP Code 53548
Janesville, WI, Rock County
Population
19,916
Land area
75sq mi
People per sq mi
266
City
Janesville
ZIP 53548 and nearby ZIP codes
ZIP 53548 at a glance
- ZIP 53548 (Janesville) is about 2.4 times as dense as Wisconsin as a whole.
- The median household income is $76,869, close to the Wisconsin median.
- A typical owner-occupied home is valued at $234,900 (12% below Wisconsin) and median rent is $1,045 a month.
Local data for ZIP 53548
Counts from official public data
Housing and community stats
ZIP 53548, American Community Survey 2020-2024
Median household income
$76,869
Poverty rate
10.6%
Median home value
$234,900
Prices +6.1% in a year
Median rent
$1,045/mo
Homeownership
69.9%
Bachelor's or higher
26.4%
Median age
43.3
Average commute
22.5 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
294
ZIP Business Patterns 2023
Employees
2,784
$144M annual payroll
PPP loans
$19.9M
473 loans
Campaign donations
$55.7K
16% D, 20% R, 2026 cycle
Environment and hazard risk
ZIP 53548, 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 53548, CDC PLACES estimates
Obesity
41.8%
U.S. 33.3% +8.5 pts
Diabetes
12.0%
U.S. 12.1% about the same
Smoking
15.3%
U.S. 12.8% +2.5 pts
Uninsured (18-64)
8.5%
U.S. 11.1% -2.6 pts
Frequently asked questions
- What city is ZIP code 53548?
- ZIP code 53548 is in Janesville, WI (Rock County).
- What county is ZIP code 53548 in?
- ZIP code 53548 is mostly in Rock County, Wisconsin.
- How many people live in ZIP code 53548?
- About 19,916 people live in the 53548 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.