Home › Counties › Washington County, IL
The median home value in Washington County, IL is $175,205 as of 2026-08-31, up 10.53% from a year earlier.
Median Home Value
$175,205
Year-over-Year
+10.53%
National Rank
#2279 of 3071
Washington County ranks 36th out of 102 counties in IL by median home price, and is -25.5% below the U.S. national median of $235,072. Within IL, the typical county has a median home value of $158,585, making Washington County +10.5% above the IL state median.
The typical home value increased by 6.5%, from $164,461 in May 2026 to $175,205 in Aug 2026.
Monthly Zillow Home Value Index snapshots retained by HomePriceMap. A short history is shown now and grows automatically as each new monthly release arrives.
| Month | Typical home value | Year-over-year change |
|---|---|---|
| May 2026 | $164,461 | +9.3% |
| Jun 2026 | $167,675 | +9.9% |
| Jul 2026 | $172,645 | +10.2% |
| Aug 2026 | $175,205 | +10.5% |
Households here earn a median of $78,224 a year against a typical home value of $175,205 — a price-to-income ratio of 2.2×, comfortably below the 3× income level generally considered manageable. That is less affordable than roughly 7% of U.S. counties. (How this is calculated.)
The median home value in Washington County is $175,205. That's up 10.53% from a year earlier. That is about 25.5% below the U.S. national county median of $235,072, and makes Washington County the 36th most expensive of 102 counties in Illinois.
Median household income here is $78,224, so a typical home costs about 2.2× annual household earnings — relatively affordable compared with other U.S. counties.
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