Sangamon County, Illinois

county in Illinois, United States

Sangamon County is a county located in the center of the U.S. state of Illinois. According to the 2020 census, it had a population of 196,343.[1] Its county seat is Springfield.[2]


  1. "QuickFacts: Sangamon County, Illinois". United States Census Bureau. Retrieved August 11, 2023.
  2. "Find a County". National Association of Counties. Retrieved 2011-06-07.