Williamson County, Illinois, Real Estate

Williamson County sits in southern Illinois at the intersection of Interstate 57 and U.S. Route 13, giving residents a direct commute north to Carbondale or south toward Paducah. The county is anchored by the Southern Illinois University system and the Heartland Regional Medical Center, both of which support a steady base of professional employment. Marion and Herrin maintain independent school districts that consistently meet or exceed state performance averages, while Crab Orchard National Wildlife Refuge and the Shawnee National Forest provide immediate access to hiking, boating, and fishing.

Location
State Illinois
Averages
Taxes $3,021
House $236,981
Townhouse –
Condo $169,900

Homes for Sale

Williamson County currently has 131 single family homes for sale with an average list price of $236,981.08, 1 condo for sale with a list price of $169,900, 71 lots for sale with an average list price of $302,523.73, and 3 manufactured homes for sale with an average list price of $174,666.67. There are 6 foreclosures for sale, and 1 short sale. For anyone looking for a brand new home, there are 2 new construction homes for sale. The average annual property tax for Williamson County is $3,020.67.

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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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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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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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