Madison County sits in southwestern Illinois, right across the Mississippi River from St. Louis. Alton, the largest city, is known for its limestone bluffs and riverfront views. Manufacturing and healthcare drive the local economy these days.
You’ll find a mix of farmland, forests, and communities throughout the county. Outdoor enthusiasts love exploring the miles of bike trails that crisscross the area. Local festivals celebrate everything from apple orchards to barbecue.
Madison County has a little bit of everything, from lively towns like Edwardsville to miles of peaceful farmland. With the Mississippi River running along its edge, it’s a great place for everyone to enjoy.
While much of Winnebago County is relatively flat, the Rock River Valley creates rolling hills and bluffs, especially around Rockford. Small lakes and wetlands can also be found in the northern sections, while the majority of the county consists of open farmland.
While much of Winnebago County is relatively flat, the Rock River Valley creates rolling hills and bluffs, especially around Rockford. Small lakes and wetlands can also be found in the northern sections, while the majority of the county consists of open farmland.
While much of Winnebago County is relatively flat, the Rock River Valley creates rolling hills and bluffs, especially around Rockford. Small lakes and wetlands can also be found in the northern sections, while the majority of the county consists of open farmland.
Ready to explore Illinois? Discover counties full of surprises, from the energy of Chicago and Cook County to the quiet beauty of Shawnee National Forest. Explore rich history, farmland, natural scenery, and small-town charm with our Illinois county map. Find your next adventure and discover all that Illinois has to offer.












