Henry County, Illinois is located in Northwestern Illinois, just 16 miles from the Mississippi River dividing Illinois and Iowa. Henry County is ranked 29th out of 102 State of Illinois Counties. 88% of its land is still used for agricultural purposes while 9% is community-based. Henry County communities enjoy a rich agricultural tradition and progressive development. Enjoy our landscape of rolling farmland dotted with wooded areas, lakes, and streams. Visit and explore our communities such as Bishop Hill – a National Historic Landmark – through shopping, dining and the many unique attractions and festivals we have to offer. Henry County will become . . . where you long to be.