Map / IL / Washington County
County market report · FIPS 17189

Washington County, IL

Outside a metro area · Population 13,764 (Census V2020 est.)

Typical value
$167,931
Sep 2026
1M
+1.3%
3M
+4.8%
12M
+10.0%
5Y
+32.1%
10Y
+72.7%
From peak
0.0%
Peak $167,931 · Sep 2026
Rank US / state
109 / 7
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-Only
C · Accelerating Uptrend
r3+4.78%p3+0.59%Acceleration+4.19ppMonths persisting3Evidence (Price-Only)85/100
Inventory, sales & days on market — Phase 2

Supply and demand confirmation is not yet available.

Yearly values (December)
YearZHVI (Dec)YoY change
2025$156,903+9.6%
2024$143,183+3.2%
2023$138,764+3.2%
2022$134,455+2.6%
2021$131,108+10.0%
2020$119,145+5.5%
2019$112,932+13.5%
2018$99,468-1.1%
2017$100,594+2.5%
2016$98,120-0.0%
2015$98,123+4.4%
2014$94,000+1.8%
2013$92,304+4.7%
2012$88,173—