Janesville city, Wisconsin Demographics & Population 2026
As of 2026, Janesville city, Wisconsin has a total population of 65,813, the 10th largest city in Wisconsin, with a median household income of $71,664, which is 5% lower than the state average. The poverty rate is 9.6%.
Janesville city Quick Facts
How Janesville city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 36 | National average: 60
Education
Educational Attainment (Adults 25+)
Janesville city Rankings in Wisconsin
Explore Wisconsin Rankings
Other Cities in Rock County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Beloit city | 36,554 | $59,975 | 16.8% | $133,500 |
| Edgerton city | 5,924 | $84,185 | 6.0% | $243,900 |
| Evansville city | 5,771 | $78,841 | 6.4% | $256,900 |
| Milton city | 5,685 | $84,648 | 4.3% | $210,500 |
| Brodhead city | 3,205 | $49,531 | 16.2% | $167,600 |
| Clinton village | 2,034 | $68,571 | 5.9% | $172,300 |
| Orfordville village | 1,567 | $77,500 | 8.8% | $176,300 |
| Footville village | 876 | $57,063 | 9.7% | $150,400 |
Cities Similar to Janesville city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Oshkosh city | 66,247 | $61,929 | $168,400 | 27.3% | 15.9% |
| Eau Claire city | 69,274 | $65,369 | $228,000 | 35.0% | 14.2% |
| West Allis city | 59,588 | $69,685 | $191,700 | 29.4% | 10.5% |
| Waukesha city | 70,779 | $81,651 | $286,600 | 40.7% | 10.3% |
| Appleton city | 74,873 | $77,450 | $211,500 | 37.0% | 8.5% |
Population Overview
Janesville city is a mid-sized community located in Wisconsin, within Rock County. The total population is 65,813. It ranks as the 10th most populous out of 807 cities and towns in Wisconsin.
Age Demographics
The median age in Janesville city is 40.0 years. This is about average than the state median of 40.1 years.
Economy, Income & Housing
The median household income in Janesville city is $71,664. This is 5% lower than the state median of $75,670. Compared to the national median of $78,538, household income here is 9% lower. The poverty rate stands at 9.6%. This is 9% lower than the state poverty rate of 10.6%. The unemployment rate is 4.6%. This is 39% higher than the state rate of 3.3%. The median home value is $209,700. Housing costs are 15% lower than the state median of $247,400. With a home-value-to-income ratio of just 2.9x, Janesville city is one of the most affordable housing markets in the area. 66.5% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 67.9%.
Race & Ethnicity
Janesville city has a predominantly White (non-Hispanic) population, comprising 85.3% of all residents. Hispanic or Latino residents account for 6.2%.
Education
26.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 18% lower than the state rate of 32.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.2%.
Data Sources & Methodology
All demographic data for Janesville city, Wisconsin is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Wisconsin state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 807 Census-designated places in Wisconsin. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Janesville city, Wisconsin?
Janesville city, Wisconsin has a population of 65,813 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Janesville city, WI?
The median household income in Janesville city is $71,664, which is 9% lower the national median of $78,538.
What is the poverty rate in Janesville city, WI?
The poverty rate in Janesville city is 9.6%. This means approximately 6,241 residents live below the federal poverty line.
What is the racial makeup of Janesville city, Wisconsin?
Janesville city's population is 85.3% White, 3.2% Black, 6.2% Hispanic/Latino, and 1.6% Asian.
What is the median home value in Janesville city, WI?
The median home value in Janesville city is $209,700. The home-value-to-income ratio is 2.9x.
How educated is Janesville city, Wisconsin?
26.9% of adults (25+) in Janesville city hold a bachelor's degree or higher, and 8.3% hold a graduate or professional degree.