The median home value in Alton, IL is $107,516 as of 2026-06-30, up 6.25% from a year earlier.
Median Home Value
$107,516
Year-over-Year
+6.25%
Population
24,809
Alton ranks #273 of 279 Illinois cities tracked here by median home value, and sits 66.2% below the state's city median of $318,423. It sits in Madison County, where the county-wide median is $202,209.
Alton police recorded a violent crime rate of 963 per 100,000 residents in 2024 — higher than most cities that report to the FBI. Property crime runs at 2,668 per 100,000.
Reported by the city's own police department to the FBI's Uniform Crime Reporting Program (what this covers).
The median home value in Alton is $107,516. That's up 6.25% from a year earlier. That is about 66.2% below the typical county in Illinois.
Homes in Alton are cheaper than Madison County as a whole, where the median is $202,209 — a difference of about 46.8%.
Alton police reported 963 violent crimes per 100,000 residents, covering a population of about 24,809. Crime rates are one input among many — they vary block to block within a city, and this figure is a citywide average.