US Counties

Richland County sits in southeastern Illinois. U.S. Route 50 cuts through but it’s far from any major city. Olney is the county seat.

Rock Island County sits at the west of Illinois, right where the Mississippi and Rock rivers meet. The Quad Cities straddle the Mississippi.

Saline County is in southeastern Illinois, not far from the Kentucky border. Harrisburg is the county seat and the biggest town around here.

Sangamon County is in the middle of Illinois. Springfield, the state capital, is a major destination. This place is all about politics.

Schuyler County is a small patch of rural Illinois in between the Illinois and La Moine rivers. Rushville is the county seat.

Scott County is in west-central Illinois, right up against the Illinois River. Winchester is a village and the county seat.

Shelby County sits in central Illinois, about an hour southeast of Springfield. It’s named after Isaac Shelby, a Revolutionary War hero.

St. Clair County sits right across the Mississippi River from St. Louis. Belleville is the county seat and is the largest city in the county.

Stark County is a tiny patch of rural Illinois, sandwiched between Peoria and the Quad Cities. Toulon is the county seat, located to the west.

Stephenson County sits in the northwest corner of Illinois, along the Wisconsin border. Freeport, the county seat, is known as “Pretzel City”.

Tazewell County stretches along the Illinois River along its western edge. The county is just southeast of Peoria. Pekin is the county seat.

Union County is in the southern tip of Illinois, along the Mississippi to the west. It’s next to Missouri, not too far from Jackson.

Vermilion County sits on the eastern edge of Illinois, right up against the Indiana border. Danville, the county seat, has grit.

Wabash County is a small patch of Illinois, hugging the Wabash River on the state’s southeastern border. Mount Carmel is the county seat here.

Warren County is a small patch of prairie in the western part of the state. The area features a mix of gently rolling farmland and prairie.