ZIP Code 53548 Map
Census ZIP Code Tabulation Area 53548 in Janesville, WI (Rock County). ZCTA boundaries closely approximate USPS delivery areas.
Loading map…
ZIP 53548 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
19,916
Households
8,562
Median household income
$76,869
Median age
43.3 years
Median home value
$234,900
Median gross rent
$1,045/mo
Owner-occupied homes
69.9%
Bachelor's degree or higher
26.4%
Below poverty level
10.6%
Land area
75 sq mi
Population density
266 / sq mi