Author: uscountymaps

LaSalle County is a big stretch of land in north-central Illinois, where the Illinois River cuts through. Ottawa is the county seat.

Lawrence County sits on the eastern edge of Illinois, right up against the Wabash River and Indiana. Lawrenceville is the county seat.

Lee County sits in north-central Illinois, a place where the suburbs fade into farms. Dixon is the county seat famous as Reagan’s hometown.

Livingston County is a big patch of central Illinois. Pontiac is the county seat, and is named for the famous Ottawa Indian chief.

Logan County sits in the middle of Illinois, about as heartland as it gets. Lincoln is the county seat. Yep, it’s named after Honest Abe.

Macon County is in the middle of Illinois, with Decatur as its heart. Lake Decatur is the centerpiece, which is good for fishing.

Macoupin County is a part of rural Illinois between St. Louis and Springfield. Carlinville is the county seat, with this massive courthouse.

Madison County sits in southwestern Illinois, right across the Mississippi River from St. Louis. Alton is the largest city in this county.

Marion County sits in the south-central part of Illinois, about an hour away from St. Louis, Missouri. There is lots of farming here.

Marshall County is a bite of rural Illinois in the north-central part of the state. The Illinois River basically splits this county in two.

Mason County sits along the Illinois River in the middle of the state. Havana is the biggest town and the county seat.

Massac County hugs the Ohio River at the southern tip of Illinois, bordering Kentucky. Metropolis, the county seat, has a Superman statue.

McDonough County is tucked away in western Illinois, about halfway between the Mississippi and Illinois rivers. Macomb is the county seat.

McHenry County sits in the far northeast corner of Illinois, right on the Wisconsin border. It’s actually part of the Chicago metro area.

McLean County is right in the middle of Illinois, often called the heart of the state. It’s the largest county in Illinois by land area.