Old Jamestown, Missouri

Old Jamestown, Missouri
Location of Old Jamestown, Missouri
Coordinates: 38°50′21″N 90°16′55″W / 38.83917°N 90.28194°W / 38.83917; -90.28194
Country United States
State Missouri
CountySt. Louis
TownshipsLewis and Clark, Spanish Lake
Established2010
Area
 • Total
14.95 sq mi (38.73 km2)
 • Land14.95 sq mi (38.71 km2)
 • Water0.0077 sq mi (0.02 km2)
Elevation
538 ft (164 m)
Population
 (2020)
 • Total
19,790
 • Density1,324.1/sq mi (511.23/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP codes
63033, 63034
Area code(s)314/557
FIPS code29-54352
GNIS feature ID2583784
Websiteoldjamestownassn.org

Old Jamestown is an unincorporated community and census-designated place (CDP) in St. Louis County, Missouri, United States. The population was 19,790 at the 2020 census. Old Jamestown is northwest of the city of St. Louis and borders the Missouri River.