Welcome to Official Iroquois County, Illinois Government page.
Iroquois County is the third largest county in Illinois,
and is 35 miles long and 32 miles wide, containing 1,120 square miles. Iroquois
County is bounded on the north by the county of Kankakee, on the east by
the State of Indiana, on the south by Vermilion and Ford Counties, and on
the west by Ford County. The county
seat is located a few miles east of the center of the county in Watseka,
Illinois.
