- 3 bd
- 3 ba
- 2,100 sqft

The average Grantsburg, IL home value is $170,946, up 6.5% 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: $170,946
1-Year Value Change: +6.5%
(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 Grantsburg, IL is $170,946 as of August 2026. This represents a 0.4% decrease compared to last month and a 6.5% increase year-over-year.
Home values in Grantsburg, IL have decreased by 0.4% month-over-month and 6.5% year-over-year.
The median home value in Grantsburg, IL ($170,946) compares to: Johnson County ($189,723), Illinois ($297,573), and the U.S. national median ($368,697).