County market report · FIPS 17027
Clinton County, IL
St. Louis, MO-IL · Population 37,398 (Census V2020 est.)
Typical value
$225,207
Sep 2026
1M
+0.7%
3M
+1.1%
12M
+6.4%
5Y
+31.4%
10Y
+70.8%
From peak
0.0%
Peak $225,207 · Sep 2026
Rank US / state
482 / 36
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 | $218,464 | +8.0% |
| 2024 | $202,313 | +6.1% |
| 2023 | $190,719 | +2.6% |
| 2022 | $185,945 | +6.2% |
| 2021 | $175,057 | +8.1% |
| 2020 | $161,973 | +7.8% |
| 2019 | $150,218 | +2.6% |
| 2018 | $146,367 | +8.1% |
| 2017 | $135,457 | +4.4% |
| 2016 | $129,707 | -1.8% |
| 2015 | $132,082 | +1.0% |
| 2014 | $130,797 | +2.0% |
| 2013 | $128,232 | +1.3% |
| 2012 | $126,564 | +1.2% |
| 2011 | $125,112 | -2.1% |
| 2010 | $127,757 | -0.1% |
| 2009 | $127,884 | — |