Home › Counties › Johnson County, IL
The median home value in Johnson County, IL is $189,723 as of 2026-08-31, down 2.76% from a year earlier.
Median Home Value
$189,723
Year-over-Year
-2.76%
National Rank
#2071 of 3071
Johnson County ranks 30th out of 102 counties in IL by median home price, and is -19.3% below the U.S. national median of $235,072. Within IL, the typical county has a median home value of $158,585, making Johnson County +19.6% above the IL state median.
The typical home value decreased by 7.2%, from $204,501 in May 2026 to $189,723 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 | $204,501 | -3.0% |
| Jun 2026 | $193,160 | -3.1% |
| Jul 2026 | $189,628 | -2.7% |
| Aug 2026 | $189,723 | -2.8% |
Households here earn a median of $62,528 a year against a typical home value of $189,723 — a price-to-income ratio of 3.0×, above the 3× level usually considered comfortable, but below 5×. That is less affordable than roughly 27% of U.S. counties. (How this is calculated.)
The median home value in Johnson County is $189,723. That's down 2.76% from a year earlier. That is about 19.3% below the U.S. national county median of $235,072, and makes Johnson County the 30th most expensive of 102 counties in Illinois.
Median household income here is $62,528, so a typical home costs about 3.0× annual household earnings — moderately expensive compared with other U.S. counties.
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