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zipcodes.pro — CITY/MO/OLD-MONROE

Old Monroe ZIP code, Missouri

The ZIP code for Old Monroe, MO is 63369, and its area code is 636.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
236
Area code
636

Mail addressed to Old Monroe uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Old Monroe in numbers

About 236 people live in Old Monroe, in 87 households. The median household income is $61,250 a year, 13% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $155,900 (32% below the Missouri median), and median gross rent is $1,225 a month. The median age is 32.0; 8.7% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 24 minutes.

Population236Old Monroe236
Households87Old Monroe87
Median age32.0Old Monroe32.0Missouri39.0US 38.9
Median household income$61,250Old Monroe$61,250Missouri$70,702US $80,734
Median home value$155,900Old Monroe$155,900Missouri$230,300US $332,700
Median gross rent$1,225Old Monroe$1,225Missouri$1,033US $1,413
Bachelor's degree or higher8.7%Old Monroe8.7%Missouri32.4%US 35.7%
Mean commute24.0 minOld Monroe24.0 minMissouri23.5 minUS 26.4 min
Population density652 / sq miOld Monroe652 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Old Monroe city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Old Monroe

ZIP codes with the USPS city name Old Monroe
ZIP City Type Population Median income Median home
63369 Old Monroe , MO Standard 2,822 $96,250 $339,400

Other ZIP codes overlapping Old Monroe

These ZIP codes cover part of Old Monroe but are addressed as somewhere else.

ZIP codes overlapping Old Monroe
ZIP City Type Population Median income Median home
63389 Winfield , MO Standard 7,616 $98,393 $236,900

Map of Old Monroe ZIP codes

63369

The ZIP codes of Old Monroe, 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 Old Monroe

The nearest larger towns are Chain of Rocks (255 people, 3.2 mi), Winfield (1,745 people, 4.0 mi) and St. Paul (3,456 people, 5.9 mi).

Towns near Old Monroe
TownPopulationDistance
St. Paul 3,456 5.9 mi
Moscow Mills 3,823 9.5 mi
Wentzville 47,061 10.4 mi
O'Fallon 93,801 10.4 mi
Lake St. Louis 18,066 10.8 mi
Troy 13,947 12.0 mi
St. Peters 59,092 13.0 mi
Dardenne Prairie 13,503 13.5 mi
Cottleville 5,937 13.5 mi
St. Charles 71,508 15.8 mi
Weldon Spring 5,310 16.4 mi
Wright City 5,240 16.9 mi
Bridgeton 11,369 21.0 mi
Maryland Heights 27,880 21.2 mi

More nearby: every ZIP code in Lincoln County · Missouri ZIP codes

Cite this page

zipcodes.pro. “Old Monroe, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/old-monroe

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