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Illinois Cities & Counties Starting With I

All counties, cities, towns, villages, and other places in Illinois beginning with the letter 'I'.
Cities / Towns in Illinois starting with I
There are a total of 17 cities, townships, villages, and other places in the state of Illinois that start with the letter "I".
Illiopolis, IL Ina, IL Indian Creek, IL Indian Head Park, IL Indianola, IL Industry, IL Inverness, IL Iola, IL Ipava, IL Iroquois, IL Irving, IL Irvington, IL Irwin, IL Island Lake, IL Itasca, IL Iuka, IL Ivesdale, IL
Counties in Illinois starting with I
There are a total of 1 counties in the state of Illinois that start with the letter "I".
Iroquois County, IL

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Illinois cities & counties by first letter