Barnhart, Missouri

Barnhart, Missouri
A neighborhood in Barnhart
Location of Barnhart, Missouri
Coordinates: 38°20′09″N 90°24′16″W / 38.33583°N 90.40444°W / 38.33583; -90.40444
CountryUnited States
StateMissouri
CountyJefferson
Area
 • Total
5.26 sq mi (13.62 km2)
 • Land5.10 sq mi (13.21 km2)
 • Water0.16 sq mi (0.41 km2)
Elevation
554 ft (169 m)
Population
 (2020)
 • Total
5,832
 • Density1,143.4/sq mi (441.45/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP code
63012
Area code636
FIPS code29-03394
GNIS feature ID2393328

Barnhart is a census-designated place (CDP) in Jefferson County, Missouri, United States. As of the 2020 census, Barnhart had a population of 5,832. Barnhart is also a suburb of St. Louis.