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The average Grafton, IL home value is $274,040, up 4.9% over the past year. (Updated on )
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $274,040
1-Year Value Change: +4.9%
(Data through August 31, 2026)
Zillow is more than a place to browse homes. It’s a place to connect with a local agent, explore financing solutions, schedule home tours, understand your buying and selling power, and more.
The median home value in Grafton, IL is $274,040 as of August 2026. This represents a 1.0% increase compared to last month and a 4.9% increase year-over-year.
Home values in Grafton, IL have increased by 1.0% month-over-month and 4.9% year-over-year.
The median home value in Grafton, IL ($274,040) compares to: Jersey County ($205,286), Illinois ($297,573), and the U.S. national median ($368,697).