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Condos for sale in Williamson County, IL

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Williamson County, IL Real Estate Market Overview

There are no condos for sale in Williamson County, IL. The following market insights reflect all property types in the Williamson County, IL real estate market. The inventory of homes for sale in Williamson County, IL between May 2025 and June 2025 increased by 9.3%. While the average time on the market in June 2025 was 42 days, the median list price was $182,000. In June 2025, from all listings sold in Williamson County, IL there were more than 17 sold above asking price, over 38 sold below and more than 16 were sold right at the asked price.
From Rocket Homes Real Estate and based on county public records data

What is it like to live in Williamson County, IL

Williamson County is located in Illinois. There are roughly 66,810 residents, living in 27,564 households. The average temperature for Williamson County this time of the year is low of 67F and high of 90F. On average, Williamson County gets about 3.62 inches of precipitation in July. Most residents are home owners (72%), have a post secondary degree (51%) and are single, no kids (40%).

Data provided by Home Junction

Schools near Williamson County, IL

Elementary Schools

  • Washington Elementary School

    420 E Main St

    Public District KG-5

  • Lincoln Elementary School

    20163 Corinth Rd

    Public District 3-4

  • Herrin C U S D 4 Elementary School

    5200 Herrin Rd

    Public District 2-5

Middle Schools

  • Carterville Intermediate School

    300 School St

    Public District 4-6

  • Crab Orchard Elementary School

    19189 Bailey St

    Public District PK-8

  • Marion Jr High School

    1609 W Main St

    Public District 6-8

High Schools

  • Marion High School

    1501 S Carbon St

    Public District 9-12

  • Crab Orchard High School

    19189 Bailey St

    Public District 9-12

  • Herrin High School

    700 N 10th St

    Public District 9-12

Data provided by Great Schools

Housing market reports in Williamson County

Homes for sale near Williamson County, IL

Top real estate cities in Illinois

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*Based on Rocket Mortgage data in comparison to public data records.

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