Jennings, Missouri

Jennings population, 2020 to 2024

Jennings added 122 residents from July 2020 to July 2024, a change of +0.9%. In the latest year it moved by +142. Among 135 Missouri places of 5,000 or more, that growth ranks 72nd; the median place changed by +1.2%. The median place of 5,000+ in Missouri has 12,239 people, so Jennings is 1.1 times that size.

Jennings covers 3.73 square miles of land, for 3,492 people per square mile of land. The median Missouri place of 5,000+ has 1,448, so Jennings is denser than the typical town.

What county Jennings is in

All of Jennings's residents live in St. Louis County, which had 992,929 residents in 2024. Jennings holds 1.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Jennings

1 ZIP Code Tabulation Area (ZCTA) overlaps Jennings by at least 10% of the ZCTA's or the city's land: 63136. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Jennings is

The Census internal point of Jennings is at 38.723100, -90.264400. Jefferson City, the capital, is 103.5 miles W in a straight line. The nearest larger place is Ferguson, MO (18,043 people), 2.4 miles away. The nearest city of 100,000 or more is St. Louis, MO, 6.2 miles away.

Daylight in Jennings

At 38.72° N, Jennings gets about 14 h 53 min of daylight around the June solstice and 9 h 27 min around the December solstice, a swing of 5 h 25 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Jennings

The eight nearest incorporated places of 1,000+ in Missouri, measured between internal points. The closest is Northwoods, 1.7 miles away, with 3,592 people.