Home › Counties › Mason County, IL
The median home value in Mason County, IL is $105,810 as of 2026-08-31, up 14.1% from a year earlier.
Median Home Value
$105,810
Year-over-Year
+14.1%
National Rank
#2962 of 3071
Mason County ranks 91st out of 102 counties in IL by median home price, and is -55.0% below the U.S. national median of $235,072. Within IL, the typical county has a median home value of $158,585, making Mason County -33.3% below the IL state median.
The typical home value increased by 5.5%, from $100,275 in May 2026 to $105,810 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 | $100,275 | +13.9% |
| Jun 2026 | $97,343 | +13.0% |
| Jul 2026 | $104,269 | +13.2% |
| Aug 2026 | $105,810 | +14.1% |
Households here earn a median of $62,845 a year against a typical home value of $105,810 — a price-to-income ratio of 1.7×, comfortably below the 3× income level generally considered manageable. That makes it one of the most affordable counties in the country relative to local wages. (How this is calculated.)
The median home value in Mason County is $105,810. That's up 14.1% from a year earlier. That is about 55.0% below the U.S. national county median of $235,072, and makes Mason County the 91st most expensive of 102 counties in Illinois.
Median household income here is $62,845, so a typical home costs about 1.7× annual household earnings — relatively affordable compared with other U.S. counties.
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