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The median home value in Decatur, IL is $107,169 as of 2026-07-31, up 6.09% from a year earlier.
Median Home Value
$107,169
Year-over-Year
+6.09%
Population
67,934
Decatur ranks #273 of 279 Illinois cities tracked here by median home value, and sits 66.4% below the state's city median of $319,026. It sits in Macon County, where the county-wide median is $127,195.
Median household income in Decatur is $51,592, so the typical home value is about 2.1× annual household income. This is a simple price-to-income benchmark rather than a monthly payment estimate; it does not account for mortgage rates, down payments, taxes or insurance.
Household income comes from the U.S. Census Bureau's ACS 5-Year Estimates, table B19013 (how the affordability measure works).
Decatur police recorded a violent crime rate of 602 per 100,000 residents in 2024 — higher than most cities that report to the FBI. Property crime runs at 2,868 per 100,000.
Reported by the city's own police department to the FBI's Uniform Crime Reporting Program (what this covers).
People often call this an average home price, but the figure shown here is Zillow's typical home value (ZHVI), not a simple arithmetic average. In Decatur, that value is $107,169. That's up 6.09% from a year earlier. It is about 66.4% below the typical Illinois city tracked here.
Homes in Decatur are cheaper than Macon County as a whole, where the median is $127,195 — a difference of about 15.7%.
Median household income here is $51,592, so the typical home value is about 2.1× annual household income. This ratio is a broad comparison measure, not a mortgage-payment estimate.
Decatur police reported 602 violent crimes per 100,000 residents, covering a population of about 67,934. Crime rates are one input among many — they vary block to block within a city, and this figure is a citywide average.