Jennings, Missouri

Jennings, Missouri
City of Jennings
Top: Business in Jennings; bottom left: River Roads Mall (demolished); bottom right: Church in Jennings
Location of Jennings, Missouri
Coordinates: 38°43′23″N 90°15′52″W / 38.72306°N 90.26444°W / 38.72306; -90.26444
CountryUnited States
StateMissouri
CountySt. Louis
Area
 • Total
3.73 sq mi (9.67 km2)
 • Land3.73 sq mi (9.67 km2)
 • Water0 sq mi (0.00 km2)
Elevation
522 ft (159 m)
Population
 (2020)
 • Total
12,895
 • Density3,454.2/sq mi (1,333.67/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP code
63136
Area code314
FIPS code29-37178
GNIS feature ID2395465
WebsiteOfficial website

Jennings is a city in St. Louis County, Missouri, United States. Per the 2020 census, the population was 12,895.