Clark County, Illinois

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Clark County is a county in the southeastern part of U.S. state of Illinois, along the Indiana state line. As of the 2010 census, the population was 16,335.[1] The county seat is Marshall.[2] The county was founded in 1819 and named for George Rogers Clark, an officer who served in the American Revolutionary War.[3]

References[change | change source]

  1. "State & County QuickFacts". United States Census Bureau. Retrieved July 4, 2014.
  2. "Find a County". National Association of Counties. Archived from the original on 2011-05-31. Retrieved 2011-06-07.
  3. Perrin, p. 237