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)
  Water0.00 sq mi (0.00 km2)
Elevation
522 ft (159 m)
Population
 (2020)
  Total
12,895
  Density3,454.33/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.