Boulder, Illinois

Boulder, Illinois
Boulder, Illinois
Unincorporated community
	Boulder, Illinois Boulder, Illinois
	Coordinates: 38°41′48″N 89°13′32″W / 38.69667°N 89.22556°W
Country	United States
State	Illinois
County	Clinton
Elevation	466 ft (142 m)
Time zone	UTC-6 (Central (CST))
• Summer (DST)	UTC-5 (CDT)
Area code	618
GNIS feature ID	404717

CountryUnited States

Elevation

^[1]

466 ft (142 m)

Boulder is an unincorporated community in Clinton County, Illinois, United States. Boulder is located on the eastern shore of Carlyle Lake; a railroad line crosses the lake from Boulder to Keyesport.

v t e Municipalities and communities of Clinton County, Illinois, United States
County seat: Carlyle
Cities	Breese Carlyle Centralia‡ Trenton Wamac‡	Map of Illinois highlighting Clinton County
Villages	Albers Aviston Bartelso Beckemeyer Damiansville Germantown Hoffman Huey Keyesport‡ New Baden‡ Saint Rose
Townships	Breese Brookside Carlyle Clement East Fork Germantown Irishtown Lake Looking Glass Meridian Santa Fe Saint Rose Sugar Creek Wade Wheatfield
Unincorporated communities	Boulder Ferrin Harbor Light Bay Jamestown Marydale New Memphis New Memphis Station North Harbor Panorama Hills Posey Royal Lake Resort Shattuc Snearlyville Stolletown Wertenberg
Ghost town	Fremont
Footnotes	‡This populated place also has portions in an adjacent county or counties
Illinois portal United States portal

Boulder, Illinois
Unincorporated community
Boulder, Illinois Show map of Illinois Boulder, Illinois Show map of the United States
Coordinates: 38°41′48″N 89°13′32″W / 38.69667°N 89.22556°W / 38.69667; -89.22556
Country	United States
State	Illinois
County	Clinton
Elevation ^[1]	466 ft (142 m)
Time zone	UTC-6 (Central (CST))
• Summer (DST)	UTC-5 (CDT)
Area code	618
GNIS feature ID	404717^[1]

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