Mason County, IL home prices

Mason County, IL: the typical home is worth $100,275 as of 2026-05, up +13.9% over the past year and n/a since 2000. Listings run about $71/sq ft. Rent…

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

1992: $44,590 → 2026: $100,275 (2.2×) pre-2000 estimated via FHFA index

Market read

At $100,275, homes in Mason County sit 37% below the Illinois median ($158,388) and 57% below the US median ($233,954). That ranks #93 of 102 Illinois counties by price.

Prices are climbing fast (+13.9% in the last year) — a seller's market.

Homes here move at a steady pace — a median 59 days on the market, with 20% of listings cutting their asking price.

At 1.6× 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 ~57% 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

Menard County, IL ($210,211) · Fulton County, IL ($103,599) · Cass County, IL ($99,234) · Tazewell County, IL ($190,037) · Logan County, IL ($142,644) · Sangamon County, IL ($199,486)