County market report · FIPS 17187
Warren County, IL
Outside a metro area · Population 16,696 (Census V2020 est.)
Typical value
$118,135
Sep 2026
1M
+0.4%
3M
+0.7%
12M
-0.0%
5Y
+18.0%
10Y
+38.2%
From peak
-2.4%
Peak $121,075 · Mar 2026
Rank US / state
2432 / 93
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-OnlyA · Potential Recovery
r3+0.70%p3-3.11%Acceleration+3.81ppMonths persisting1Evidence (Price-Only)55/100
Inventory, sales & days on market — Phase 2
Supply and demand confirmation is not yet available.
Yearly values (December)
| Year | ZHVI (Dec) | YoY change |
|---|---|---|
| 2025 | $118,584 | +4.3% |
| 2024 | $113,669 | +2.4% |
| 2023 | $110,972 | +6.7% |
| 2022 | $104,003 | +2.7% |
| 2021 | $101,285 | -0.3% |
| 2020 | $101,565 | +3.2% |
| 2019 | $98,448 | +8.6% |
| 2018 | $90,663 | -1.5% |
| 2017 | $92,034 | +7.8% |
| 2016 | $85,389 | +0.5% |
| 2015 | $85,000 | +2.2% |
| 2014 | $83,192 | -2.8% |
| 2013 | $85,618 | +4.4% |
| 2012 | $82,002 | +0.9% |
| 2011 | $81,242 | -7.3% |
| 2010 | $87,636 | -2.0% |
| 2009 | $89,419 | — |