Template:Jefferson County, Illinois

v t e Municipalities and communities of Jefferson County, Illinois, United States
County seat: Mount Vernon
Cities	Centralia‡ Mount Vernon Nason	Map of Illinois highlighting Jefferson County
Villages	Belle Rive Bluford Bonnie Dix Ina Waltonville Woodlawn
Townships	Bald Hill Blissville Casner Dodds Elk Prairie Farrington Field Grand Prairie McClellan Moore's Prairie Mt. Vernon Pendleton Rome Shiloh Spring Garden Webber
CDP	Opdyke
Other unincorporated communities	Bakerville Camp Ground Dareville Divide Drivers Harmony Roaches Scheller Spring Garden Texico Williamsburg
Footnotes	‡This populated place also has portions in an adjacent county or counties
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