BROWN COUNTY
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Population and Demographics:
As of 2023, Brown County has an estimated population of 6,294. The racial composition is primarily White (76.1%), with African American residents comprising 18.5%. The Hispanic or Latino community accounts for 5.8%. The median household income is $38,696, and approximately 12% of the population lives below the poverty line
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Key Cities:
- Mount Sterling: The county seat with a population of about 2,025. It grew significantly during the 1860s with the advent of the railroad. The city is home to notable historic architecture and serves as a central hub for county activities
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Key Landmarks:
- Siloam Springs State Park: A scenic park offering hiking, fishing, and camping opportunities.
- Western Illinois Correctional Center: A prominent state prison located southeast of Mount Sterling, with a daily population of over 2,000 inmates. It plays a major role in the county’s economy.
Important Figures:
Brown County is named after General Jacob Brown, a U.S. Army officer known for his victory at the Battle of Sackett’s Harbor during the War of 1812.
Fun Facts:
- Siloam Springs once attracted visitors for its natural mineral springs believed to have healing properties.
- The county has a rich German heritage, with 25.5% of residents reporting German ancestry.

