Open
Local agent spot
This featured-agent spot is open for a licensed local real estate professional in Wisconsin.
Advertise here →Janesville, WI · Market Data
Janesville, Wisconsin real estate market data.
Real estate market data for Janesville, WI (Rock County) — Census median home value $209,700, county listing prices up about 3.4% over the past year.
Janesville, WI is in Rock County, Wisconsin — covering the whole local market here: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 65,813, with a median household income of $71,664. Census data puts Janesville's median home value at $209,700 (all owner-occupied homes); Rock County's current median listing price runs $379,900, up about 3.4% over the past year.
At a glance
Janesville market snapshot
Population
65,813
Median Household Income
$71,664
Median Home Value (city)
$209,700
Median Listing Price (Rock County)
$379,900
Median Gross Rent
$1,037/mo
Price Trend (YoY)
+3.4%
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. Full source list ↗
Local resources
Get help buying or selling in Janesville
What can I afford?
Estimate a comfortable price range in under a minute, then connect with a lender for real numbers.
Rough estimate only (28% of income toward housing, ~6.5% illustrative rate, 30-year term) — not a loan offer or pre-qualification. Connect with a lender for real numbers →
Open
Advertise to local buyers
Lenders, inspectors, movers, and other local pros — this spot is open.
Advertise here →Why Janesville
What makes Janesville different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Janesville's median home value — across all owner-occupied homes, not just recent sales — at $209,700. Separately, Rock County's current median listing price (via Realtor.com data, 2026-06-01) runs $379,900. These cover different geography (city vs. county) and different measures (assessed value vs. active listings), which is why we show both rather than picking one — full source list on our data sources page.
County Price Trend
Rock County's FHFA house price index shows a 5.1% annual change in 2025.
Population & Income
Janesville has an estimated population of 65,813 and a median household income of $71,664, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Janesville's Census-reported median home value works out to about 2.9x the area's median household income, and median gross rent runs roughly 17% of that same income on an annualized basis. Housing economists commonly flag a price-to-income ratio above 4x as historically elevated -- useful context, not a personal affordability verdict.
Reach Janesville buyers
Builders: feature your communities in front of Janesville buyers — learn about advertising ↗
Want to own this market? Ask about our Janesville domains — see available domains ↗
Common questions
Janesville FAQ
What are home values like in Janesville, WI?
The Census Bureau's American Community Survey puts Janesville's median home value at $209,700. Rock County's current median listing price runs $379,900, up about 3.4% over the past year.
What is the population of Janesville, WI?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Janesville's population at approximately 65,813.
What's the median rent in Janesville, WI?
The Census ACS estimates median gross rent in Janesville at approximately $1,037 per month.
What is the median household income in Janesville, WI?
Census ACS data puts the median household income in Janesville at approximately $71,664.
Is the Janesville housing market growing?
Rock County's FHFA house price index shows a 5.1% annual change in 2025.
Is Janesville, WI affordable relative to income?
Census ACS data puts Janesville's median home value at about 2.9 times the median household income, with median gross rent equal to roughly 17% of that income annually. This is a general benchmark, not a personal pre-qualification -- your own income, debt, and down payment determine what you can actually afford.
Search Janesville homes
Look up homes in Janesville
Search new construction and resale homes in Janesville — the same live MLS data agents use, not just what's summarized on this page.
Search Janesville homes ↗Get connected
Find your Janesville new home
Prices, availability, and incentives change weekly and don't always make it onto this page. Tell us your area, budget, and timeline and we'll point you to communities that fit — including options we track but haven't published here yet.
Get connected in JanesvilleExplore more
Where to go next
Get the Janesville market guide
Tell us what you're looking for — buy, sell, both, invest, rent, or you're an agent, builder, vendor, or advertiser. Include where you want to buy or sell and your address if relevant, and we'll route you to the right resource.
Buyer · Seller · Both · Investor · Renter · Agent/Broker · New Home Builder · Vendor/Service Pro · Advertiser · Other