Jennings Flag

Jennings

County Seat:
No
Area (mi²):
3.733
State:
Missouri

Jennings is a city located in St. Louis County, Missouri. Jennings has a 2026 population of 13,085. Jennings is currently growing at a rate of 0.24% annually and its population has increased by 1.42% since the most recent census, which recorded a population of 12,902 in 2020.

The median household income in Jennings is $38,984 with a poverty rate of 25.16%. The median age in Jennings is 39.4 years: 33.9 years for males, and 45.2 years for females. For every 100 females there are 71.3 males.

13.1K
Total Population
3,505
Density (mi²)
31 0.24%
Growth

Jennings Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)