1,186 sq miles (3,072 km²).
The village of McLean, in McLean County, Illinois, has an area of 0.4 square miles, or 1 square kilometre.
McLean County 1,184 sq mi
McLean County which is larger than Rhode Island in total land acres. Its County Seat is Bloomington a city of about 75,000 and is the largest producer of both corn and soybeans of any US County. McLean County is about 1,184 square miles in size.
The largest county in Illinois is McLean County with 1,184 square miles.
McLean County, 1186.27 square miles
1200
Almost 1200
1mi
Cook County, Illinois, USA - 1,635 square miles.
Johnson County, Illinois, USA - 349 square miles.
what is the largest county in size measuring square miles in illinios
It contains 725 square miles.