Gray Summit, Missouri

Gray Summit, Missouri
Interstate 44 at the interchange for Gray Summit, Missouri in 1993.
Location of Gray Summit, Missouri
Coordinates: 38°29′42″N 90°48′59″W / 38.49500°N 90.81639°W / 38.49500; -90.81639
CountryUnited States
StateMissouri
CountyFranklin
Area
 • Total
7.74 sq mi (20.05 km2)
 • Land7.72 sq mi (20.00 km2)
 • Water0.019 sq mi (0.05 km2)
Elevation
682 ft (208 m)
Population
 (2020)
 • Total
3,055
 • Density395.6/sq mi (152.74/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP code
63039
Area code636
FIPS code29-28918
GNIS feature ID2393025

Gray Summit is an unincorporated community and census-designated place (CDP) in Franklin County, Missouri, United States. As of the 2020 census, Gray Summit had a population of 3,055. Also called "Gray's Summit", it was founded by Daniel Gray of New York, who built a hotel here in 1845. It is located on Missouri Route 100 just north of Interstate 44.