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The average Sullivan County, MO home value is $101,597, up 2.6% 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: $101,597
1-Year Value Change: +2.6%
(Data through September 30, 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 Sullivan County, MO is $101,597 as of September 2026. This represents a 1.1% decrease compared to last month and a 2.6% increase year-over-year.
The median home value in Sullivan County, MO ($101,597) compares to Missouri ($265,387) and the U.S. national median ($366,157).
The cities with the highest median home values in Sullivan County, MO include: Milan ($108,545), Green City ($102,658). These cities represent the most expensive areas within the county.