Williamson County, Illinois, Real Estate

Williamson County currently has 111 single family homes for sale with an average list price of $213,015.31, 2 condos for sale with an average list price of $245,950, and 71 lots for sale with an average list price of $218,237.82. The average annual property tax for Williamson County is $2,989.89.

Current Homes for Sale

Cities

Cities
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Carterville

Carterville is a charming small city in Williamson County, Southern Illinois, with a population of around 5,848 as of the 2020 census. Founded in 1871 and named after Laban Carter, who helped establish the area's first commercial coal mine and post office, the community originally thrived as a coal mining town along the railroad corridor, experiencing rapid growth in its early decades. Today, it has evolved into a welcoming residential suburb situated along Route 13 between the larger cities of Carbondale and Marion, offering a relaxed small-town atmosphere with access to nearby urban conveniences. The city boasts a rich heritage preserved through sites like the Carterville Heritage Museum—housed in a beautifully renovated 1924 high school building—and nearby attractions such as Walker's Bluff Casino Resort, its associated winery, and Cannon Park. Known for strong community spirit, excellent schools including Carterville High School, and its position in the scenic "heartland" of Southern Illinois, Carterville continues to grow as a desirable place to live and visit. ... Read more
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Creal Springs

Creal Springs is a small city in Williamson County, southern Illinois, nestled near the Shawnee Hills and east of the Lake of Egypt. With a population of around 500 as of recent censuses, this quiet community boasts a rich history tied to its namesake mineral springs, discovered in the late 19th century on land owned by Edward G. Creal. Once a booming spa resort destination in the early 1900s—complete with hotels, a college, bathhouses, and visitors drawn to the reputed "wonder waters" for their medicinal properties—the town earned the nickname "Home of the Wonder Waters of the World." Though the resort era faded, echoes of that past remain in local landmarks and historical markers. Today, Creal Springs offers a peaceful, rural lifestyle close to natural attractions like hiking trails and outdoor recreation in the surrounding region, preserving its charm as a tucked-away spot in southern Illinois. ... Read more
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Freeman Spur

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Herrin

Herrin, Illinois, is a small city in Williamson County with a population of around 12,500, known for its rich history and community spirit. Founded in the early 19th century, it grew as a coal mining hub, which shaped its cultural and economic identity. Today, Herrin is celebrated for its annual HerrinFesta Italiana, a vibrant festival honoring the city’s Italian heritage with food, music, and events that draw visitors from across the region. The city offers a blend of small-town charm, with local parks, historic downtown shops, and a strong sense of community pride, making it a welcoming place to live or visit. ... Read more
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Hurst

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Johnston City

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Marion

Marion, Illinois, is a vibrant and growing city serving as the county seat of Williamson County in Southern Illinois. Founded in 1839 and named after Revolutionary War hero General Francis "Swamp Fox" Marion, it has evolved into one of the region's largest retail and economic hubs, often called the "Oasis of Opportunity." With a population of around 17,000 as of recent estimates, Marion benefits from its strategic location at the intersection of Interstate 57 and Illinois Route 13, making it a key gateway for travel to cities like Chicago, St. Louis, and Nashville. The city boasts a mix of historical charm—highlighted by its iconic clock tower in the town square—and modern attractions, including the Marion Cultural and Civic Center, a thriving mural district, nearby natural spots like the Crab Orchard National Wildlife Refuge, and shopping/entertainment venues such as the redeveloped Oasis (formerly Illinois Centre Mall). Once rooted in coal mining history, Marion now thrives on diverse industries, healthcare, manufacturing, and commerce, offering residents a welcoming small-city feel combined with steady growth and convenient access to Southern Illinois' amenities. ... Read more
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Pittsburg

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Cities

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Schools

School District Level Grades
Washington Middle School West Aurora Public School District 129 Middle 6-8

Schools

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Recent Sales

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Subdivisions

Subdivisions Median Price
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Anna Lou Estates

Anna Lou Estates is a single-family home community in Herrin, Illinois, built between 2005 and 2007. It currently has no homes for sale. The homes range in size from 1,655 ft2 to 2,649 ft2. The average annual property tax for Anna Lou Estates is $3,996.83. It is located in Williamson County. ... Read more
Median Price: $235,000
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Bainbridge

Bainbridge is a single-family home community in Marion, Illinois, built between 1920 and 2019. It currently has no homes for sale. The homes range in size from 894 ft2 to 2,844 ft2. The average annual property tax for Bainbridge is $1,953.76. It is located in Williamson County. ... Read more
Median Price: $159,750
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Baker Estates

Baker Estates is a single-family home community in Marion, Illinois, built between 2008 and 2015. It currently has no homes for sale. The homes range in size from 1,584 ft2 to 2,588 ft2. The average annual property tax for Baker Estates is $5,776.14. It is located in Williamson County. ... Read more
Median Price: $289,900
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Bellaire

Bellaire is a single-family home community in Herrin, Illinois, built between 1950 and 1974. It currently has no homes for sale. The homes range in size from 925 ft2 to 2,865 ft2. The average annual property tax for Bellaire is $2,989.62. It is located in Williamson County. ... Read more
Median Price: $161,250
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Blackberry Hill

Blackberry Hill is a single-family home community in Marion, Illinois, built between 1977 and 2022. It currently has no homes for sale. The homes range in size from 1,280 ft2 to 2,115 ft2. The average annual property tax for Blackberry Hill is $2,324.32. It is located in Williamson County. ... Read more
Median Price: $189,000
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Subdivisions

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Market Trends

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