We are going to start with getting auto dealer license Illinois, Joliet city. Joliet is a city in the United States and Kendall counties in Illinois, which lies 40 miles (64 km) southwest of Chicago. And ‘the county seat of Will County. From the 2010 census, the city was the fourth most populous in Illinois, which has a population of 147,433. And ‘even more rapid growth of cities in Illinois’ and one of the fastest growing in the United States. Joliet When it was first designed for the beginning of 1830, was still in Cook County.