Janesville, Wisconsin Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Janesville, Wisconsin is 65,813 as of the 2023 American Community Survey, making it the 10th-largest city in Wisconsin. The median household income is $71,664, the median home value is $209,700, and the median age is 40.0.
The population has grown 4.4% since 2010 (63,623 → 66,428).
65,813
Population
1900
People / sq mi
$71,664
Median Income
$209,700
Median Home Value
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Janesville covers 34.6 sq mi of land at 1900 people per square mile.
About Janesville, WI
In Janesville, home values do the distinguishing — a median of $209,700. With 65,813 residents, Janesville is a city in Wisconsin. That makes it one of the ten largest cities in Wisconsin in the country, at #10 by population.
The typical household here earns about $71,664, below the US median of $78,538. The poverty rate is 6.5%, below the national 12.4%. Housing is relatively affordable, with a median home value of $209,700, with typical rent around $1,037.
26.9% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Around 8.6% of workers work from home, below the national 14.0%, and the average commute runs about 21 minutes each way.
Janesville city Population History (2010-2024)
The city of Janesville city had a population of 63,623 in 2010 and 66,428 in 2024, a 4.4% growth over 14 years. The peak was 66,428 in 2024. Average annual growth rate: 0.31%.
66,428
Population (2024)
63,623
Population (2010)
66,428
Peak (2024)
0.31%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 63,623 |
| 2011 | 63,439 |
| 2012 | 63,509 |
| 2013 | 63,675 |
| 2014 | 63,853 |
| 2015 | 63,880 |
| 2016 | 64,023 |
| 2017 | 64,297 |
| 2018 | 64,483 |
| 2019 | 64,575 |
| 2020 | 65,651 |
| 2021 | 66,013 |
| 2022 | 65,964 |
| 2023 | 66,130 |
| 2024 | 66,428 |
Race & Ethnicity
| White | 86.8% |
| Black or African American | 3.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Economy & Income
$71,664
Median Household Income
$36,639
Per Capita Income
6.5%
Poverty Rate
3.0%
Unemployment Rate
Housing
$209,700
Median Home Value
$1,037
Median Rent
66.5%
Owner-Occupied
Education
94.2%
High School+
26.9%
Bachelor's+
Commute
0.7%
Drive Alone
79.6%
Public Transit
8.6%
Work From Home
21.4 min
Avg Commute
Community Profile
24.9%
Foreign Born
93.0%
Non-English at Home
7.1%
Veterans
13.9%
With Disability
95.5%
Health Insurance
95.2%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 22.5% |
| Manufacturing | 19.5% |
| Education, Health Care & Social Services | 8.4% |
| Finance, Insurance & Real Estate | 7.0% |
| Retail Trade | 5.7% |
| Construction | 5.4% |
| Information | 4.5% |
| Arts, Entertainment & Food Services | 3.9% |
| Public Administration | 3.9% |
| Transportation & Warehousing | 1.2% |
| Agriculture & Mining | 1.0% |
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Frequently Asked Questions
Janesville, Wisconsin has a population of 65,813 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 10th-largest city in Wisconsin.
The median household income in Janesville, Wisconsin is $71,664, with 6.5% of residents living below the federal poverty level.
The median home value in Janesville, Wisconsin is $209,700, with median monthly rent at $1,037 and a homeownership rate of 66.5%.
The median age in Janesville, Wisconsin is 40.0 years. The population is 49.6% male and 50.4% female.
The population has grown 4.4% since 2010 (63,623 → 66,428).
Where to stay in Janesville
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.