Jennings ZIP codes, Missouri
No ZIP code is named for Jennings, MO; addresses there use a neighbouring town's name. 3 ZIP codes cover it: 63136, 63121 and 63137. Its area codes are 314 and 557.
- USPS city name
- 0 ZIP codes
- Overlapping the city
- 3 more
- Population
- 12,918
- County
- St. Louis County
- State
- Missouri
NANPA lists no telephone rate centre for Jennings itself, so these are the area codes of the nearest one, Saint Louis (0.0 miles). A town on an area-code boundary can differ from its neighbour.
Jennings in numbers
About 12,918 people live in Jennings, in 5,589 households. The median household income is $38,984 a year, 45% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $68,800 (70% below the Missouri median), and median gross rent is $961 a month. The median age is 39.4; 10.8% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 27 minutes.
| Population | 12,918 |
|---|---|
| Households | 5,589 |
| Median age | 39.4 |
| Median household income | $38,984 |
| Median home value | $68,800 |
| Median gross rent | $961 |
| Bachelor's degree or higher | 10.8% |
| Mean commute | 26.7 min |
| Population density | 3,460 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Jennings city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes covering Jennings
These ZIP codes cover part of Jennings but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
63121 | Saint Louis , MO | Standard | 25,008 | $42,701 | $95,600 |
63136 | Saint Louis , MO | Standard | 40,929 | $41,154 | $84,400 |
63137 | Saint Louis , MO | Standard | 19,684 | $43,422 | $82,900 |
Map of Jennings ZIP codes
The ZIP codes of Jennings, MO, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Jennings
The nearest larger towns are Ferguson (18,213 people, 2.5 mi), University City (34,685 people, 5.4 mi) and Spanish Lake (17,873 people, 5.5 mi).
| Town | Population | Distance |
|---|---|---|
| Northwoods | 3,623 | 1.7 mi |
| Moline Acres | 2,843 | 1.9 mi |
| Pine Lawn | 2,716 | 2.0 mi |
| Normandy | 4,239 | 2.3 mi |
| Dellwood | 4,847 | 2.4 mi |
| Ferguson | 18,213 | 2.5 mi |
| Bellefontaine Neighbors | 10,498 | 2.8 mi |
| Riverview | 2,731 | 3.2 mi |
| Pagedale | 2,531 | 3.8 mi |
| Berkeley | 8,123 | 4.2 mi |
| Glasgow Village | 5,504 | 4.3 mi |
| St. John | 6,527 | 4.5 mi |
| Woodson Terrace | 3,908 | 5.2 mi |
| Black Jack | 6,589 | 5.2 mi |
More nearby: every ZIP code in St. Louis County · Missouri ZIP codes
Cite this page
zipcodes.pro. “Jennings, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/jennings
Underlying data is public domain or openly licensed — sources, vintages and licences.