City

Janesville, WI

4 ZIP codes  ·  Rock County  ·  Wisconsin

👥73,928Population
💰$72,907Median HH Income≈ Avg
🎂41.1Median Age
🏠$216,690Median Home Value▼ 22% below avg
🎓39.7%College Grads≈ Avg
📊4.2%Unemployment▼ 15% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 49.6% Female 50.4% ♀

Race & Ethnicity

White: 85.2%Hispanic: 6.2%Black: 2.9%Asian: 1.6%Other: 3.8%Race
White85.2%
Hispanic6.2%
Black2.9%
Asian1.6%
Other3.8%

Age Breakdown

Under 5
5%
5–17
16%
18–24
8%
25–44
26%
45–64
27%
65+
8%

Key Indicators

Median Age41.1 yrs
Avg HH Size2.33
Below Poverty9.6% ≈ Avg
College Grads39.7% ≈ Avg
Unemployment4.2% ▼ 15% below avg
No HS Diploma346 (0.7%)
HS Graduate16,008 (31.8%)
Some College6,660 (13.2%)
Associates7,318 (14.5%)
Bachelors6,217 (12.4%)
Graduate Degree13,757 (27.3%)

Education

No HS: 0.7%HS Grad: 31.8%Some College: 13.2%Associates: 14.5%Bachelors: 12.4%Graduate: 27.3%Edu
No HS0.7%
HS Grad31.8%
Some College13.2%
Associates14.5%
Bachelors12.4%
Graduate27.3%
Housing & Income

Housing Tenure

Owner: 68.9%Renter: 31.1%Tenure
Owner68.9%
Renter31.1%

Home Value Distribution

Under $50k
4%
$50k–$100k
5%
$100k–$150k
13%
$150k–$200k
21%
$200k–$300k
35%
$300k–$500k
17%
Over $500k
4%

Financials

Median HH Income$72,907 ≈ Avg
Median Home Value$216,690 ▼ 22% below avg
Home/Income Ratio3.0x (nat avg ~3.5x)
Median Rent$1,032/mo
Total Housing Units32,880
Vacant Units1,428

Income Distribution

Under $25k
14%
$25k–$50k
15%
$50k–$75k
20%
$75k–$100k
19%
$100k–$150k
19%
$150k–$200k
8%
Over $200k
5%
Employment & Commute

How People Get to Work

Drove Alone
89%
Public Transit
1%
Walked
1%
Work From Home
9%

Commute Time

Under 15 min
40%
15–30 min
33%
30–45 min
14%
Over 45 min
13%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
14%
1960s–1970s
14%
1980s–1990s
12%
2000+
56%
About Janesville, WI

Janesville is a city in Wisconsin, located in Rock County. The city spans 4 ZIP codes and is home to approximately 73,928 residents. It is a middle-aged city, with a median age of 41.1 years.

Economically, Janesville is a solidly middle-class community. The median household income of $72,906 is near the national average. Approximately 9.6% of residents live below the poverty line. The unemployment rate is 4.2%, near the national average.

The real estate market in Janesville is an affordable housing market. Median home values stand at $216,690, which is below the national average. Renters typically pay around $1,031 per month. Homeownership is high at 68.9%, typical of suburban and family-oriented communities.

The population of Janesville is moderately educated. 39.7% of adults hold a bachelor's degree or higher — near the national average. The community is primarily White (85.24%).

Janesville, WI offers residents a cost-conscious lifestyle within Wisconsin. Spread across 4 ZIP codes, the city's neighborhoods vary in character, density, and demographics — explore each ZIP code below for a detailed breakdown.

ZIP Codes in Janesville
ZIPPopulationMedian IncomeMedian HomeMedian RentUnemp.CollegeOwner Occ.
53545 23,937 $70,730 $204,000 $1,006 4.5% 40.9% 64.8%
53546 29,482 $73,430 $220,100 $1,076 3.1% 38.4% 73.0%
53548 20,509 $74,696 $226,600 $999 5.4% 40.3% 67.9%