Union County Map, Illinois

Detailed road and geographic map of Union County.

County Information

  • State: Illinois
  • FIPS Code: 17181
  • Population: 17,244
  • Area (sq mi): 413.5
  • Density: 41.7/sq mi
  • Growth Trend: -0.5%
  • Households: 7,841
  • Election Data: Republican
  • Climate Zone: Cold/Continental

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Overview

Union County is located in the U.S. state of Illinois. It has a land area of approximately 413.5 square miles.