County market report · FIPS 55105
Rock County, WI
Janesville-Beloit, WI · Population 163,084 (Census V2020 est.)
Typical value
$296,846
Sep 2026
1M
+0.3%
3M
+0.8%
12M
+6.2%
5Y
+39.1%
10Y
+117.9%
From peak
0.0%
Peak $296,846 · Sep 2026
Rank US / state
510 / 32
by 12M change
Zillow Home Value Index
Source: Zillow Home Value Index (ZHVI), all homes, smoothed & seasonally adjusted · data through Sep 2026.
Inflection signal
Price-OnlyNo active signal this month.
Inventory, sales & days on market — Phase 2
Supply and demand confirmation is not yet available.
Yearly values (December)
| Year | ZHVI (Dec) | YoY change |
|---|---|---|
| 2025 | $285,341 | +7.0% |
| 2024 | $266,716 | +7.0% |
| 2023 | $249,238 | +7.9% |
| 2022 | $231,086 | +7.1% |
| 2021 | $215,762 | +12.8% |
| 2020 | $191,313 | +10.7% |
| 2019 | $172,770 | +6.1% |
| 2018 | $162,809 | +7.5% |
| 2017 | $151,480 | +8.6% |
| 2016 | $139,486 | +8.2% |
| 2015 | $128,874 | +6.0% |
| 2014 | $121,601 | +3.5% |
| 2013 | $117,492 | +3.5% |
| 2012 | $113,556 | — |