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The median home value in Janesville, WI is $300,428 as of 2026-07-31, up 5.85% from a year earlier.
Median Home Value
$300,428
Year-over-Year
+5.85%
Population
66,247
Janesville ranks #86 of 124 Wisconsin cities tracked here by median home value, and sits 14.5% below the state's city median of $351,517. It sits in Rock County, where the county-wide median is $301,239.
Median household income in Janesville is $73,446, so the typical home value is about 4.1× annual household income. This is a simple price-to-income benchmark rather than a monthly payment estimate; it does not account for mortgage rates, down payments, taxes or insurance.
Household income comes from the U.S. Census Bureau's ACS 5-Year Estimates, table B19013 (how the affordability measure works).
Janesville police recorded a violent crime rate of 143 per 100,000 residents in 2024 — around the middle of the range for reporting cities. Property crime runs at 1,842 per 100,000.
Reported by the city's own police department to the FBI's Uniform Crime Reporting Program (what this covers).
People often call this an average home price, but the figure shown here is Zillow's typical home value (ZHVI), not a simple arithmetic average. In Janesville, that value is $300,428. That's up 5.85% from a year earlier. It is about 14.5% below the typical Wisconsin city tracked here.
Homes in Janesville are cheaper than Rock County as a whole, where the median is $301,239 — a difference of about 0.3%.
Median household income here is $73,446, so the typical home value is about 4.1× annual household income. This ratio is a broad comparison measure, not a mortgage-payment estimate.
Janesville police reported 143 violent crimes per 100,000 residents, covering a population of about 66,247. Crime rates are one input among many — they vary block to block within a city, and this figure is a citywide average.
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