Washington County, IL home prices

Washington County, IL: the typical home is worth $164,461 as of 2026-05, up +9.3% over the past year and n/a since 2000. Listings run about $104/sq ft…

Data as of May 2026 · by the Real Estate Price Map data team · methodology & sources

1993: $67,938 → 2026: $164,461 (2.4×) pre-2000 estimated via FHFA index

Market read

At $164,461, homes in Washington County sit 4% above the Illinois median ($158,388) and 30% below the US median ($233,954). That ranks #43 of 102 Illinois counties by price.

Prices are climbing fast (+9.3% in the last year) — a seller's market.

Homes here move at a steady pace — a median 48 days on the market, with 17% of listings cutting their asking price.

At 2.2× local income, that's more affordable than the typical US county (~3.8×).

Against the typical US price-to-income and price-to-rent, homes here look ~42% cheap for local incomes and rents — a relative bargain.

Home value history

Zillow ZHVI, monthly from 2000 · recessions shaded. See the full 1975 history on the interactive map →

Nearby counties

Clinton County, IL ($221,065) · Perry County, IL ($114,350) · Jefferson County, IL ($144,471) · Saint Clair County, IL ($180,517) · Randolph County, IL ($154,117) · Marion County, IL ($123,471)