Jennings is a city located in Missouri. With a 2020 population of 14,553, it is the 53rd largest city in Missouri and the 2347th largest city in the United States. Jennings is currently declining at a rate of -0.53% annually and its population has decreased by -1.08% since the most recent census, which recorded a population of 14,712 in 2010. Jennings reached it's highest population of 19,965 in 1960. Spanning over 4 miles, Jennings has a population density of 3,897 people per square mile.
The average household income in Jennings is $41,737 with a poverty rate of 20.99%. The median rental costs in recent years comes to $823 per month, and the median house value is $65,600. The median age in Jennings is 34.9 years, 32.3 years for males, and 39.9 years for females. For every 100 females there are 75.1 males.