Illinois is the sixth most populous state in the U.S. with a population that is quickly approaching 13 million people. Surprisingly, this reflects negative growth between estimates from 2016 and 2017. Chicago is the most populous city in the state, posting an estimated 2.7 million people per 2017 estimates. This far exceeds the population of the second most populated city, Aurora, which has just over 200,000 people according to estimates. There are 1,299 incorporated municipalities in Illinois, which includes cities, towns and villages. There is a total of 102 counties within the state.

Top Best Pain Physicians by Illinois Cities

Chicago

Dr. Tolga Suvar, MD, Rush Pain Center, Department of Anesthesiology.

Aurora

Rockford

Joliet

Naperville

Springfield

Peoria

Elgin