Janesville, WI Census Data
The 10th largest city in Wisconsin by population · 12 cities ranked
Janesville is the 10th largest city in Wisconsin by population and ranks 4th of 12 for median household income. With 65,813 residents, it has a lower poverty rate than 10 other Wisconsin cities. This snapshot draws from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-04-13 · Source: U.S. Census Bureau, ACS 2023
Population
65,813
49.6% male · 50.4% female
Median Age
40.0
1.3 above the national average (38.7 yrs)
Median Household Income
$71,664
$6,874 below the national average ($78,538)
Bachelor's Degree or Higher
26.9%
8.1% below the national average (35.0%)
HS diploma or higher: 94.2%
Poverty Rate
9.6%
2.8% below the national average (12.4%)
Uninsured: 4.5%
Broadband Access
95.2%
5.5% above the national average (89.7%)
Median Home Value
$209,700
Median rent: $1,037 · 66% owner-occupied
Unemployment Rate
4.6%
Labor force participation: 62.0%
Per Capita Income
$42,924
Individual average income (not household)
Veteran Population
7.1%
Disability rate: 13.9%
How Janesville Compares to Other Wisconsin Cities
Rankings among all 12 Wisconsin cities tracked in the 2023 ACS.
| Ranking | Position | Tier |
|---|---|---|
| Largest by Population | 10th of 12 | Bottom 25% |
| Highest Median Income | 4th of 12 | Top half |
| Lowest Poverty Rate | 2nd of 12 | Top 25% |
| Highest Bachelor's Attainment | 9th of 12 | Bottom half |
| Highest Home Value | 6th of 12 | Top half |
Demographics
Race & Ethnicity
Age Distribution
Commute to Work
Janesville, WI Frequently Asked Questions
What is the population of Janesville, WI?
The population of Janesville, WI is 65,813 according to the 2023 American Community Survey 5-year estimates. The median age is 40.0 years.
What is the median household income in Janesville?
The median household income in Janesville, WI is $71,664, below the national average of $78,538. Per capita income is $42,924.
What is the poverty rate in Janesville?
The poverty rate in Janesville, WI is 9.6%, compared to the national average of 12.4%. About 4.5% of residents lack health insurance.
What percentage of Janesville residents have a college degree?
26.9% of adults (25+) in Janesville hold a bachelor's degree or higher, and 94.2% have at least a high school diploma. The national average for bachelor's degree holders is 35.0%.
What is the median home value in Janesville?
The median home value in Janesville, WI is $209,700. Median rent is $1,037 per month, with 66% of housing units owner-occupied.
What is the racial makeup of Janesville?
Janesville's population is 86.8% White, 3.2% Black, 6.2% Hispanic or Latino, and 1.6% Asian (source: 2023 ACS).
How does Janesville rank among Wisconsin cities?
Janesville is the 10th largest city in Wisconsin by population, the 4th highest for median household income, the 2nd lowest for poverty rate, the 9th highest for bachelor's degree attainment among 12 ranked Wisconsin cities.
What is the unemployment rate in Janesville?
The unemployment rate in Janesville, WI is 4.6%, with a labor force participation rate of 62.0%. Per capita income is $42,924.
Cities Similar to Janesville
Other Wisconsin cities with comparable population and income levels.