Monroe City ZIP code, Missouri
The ZIP code for Monroe City, MO is 63456, and its area code is 573.
- USPS city name
- 1 ZIP code
- Population
- 3,028
- Area code
- 573
- County
- Marion County
- State
- Missouri
Monroe City in numbers
About 3,028 people live in Monroe City, in 1,129 households. The median household income is $55,737 a year, 21% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $159,300 (31% below the Missouri median), and median gross rent is $668 a month. The median age is 37.5; 17.5% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 22 minutes.
| Population | 3,028 |
|---|---|
| Households | 1,129 |
| Median age | 37.5 |
| Median household income | $55,737 |
| Median home value | $159,300 |
| Median gross rent | $668 |
| Bachelor's degree or higher | 17.5% |
| Mean commute | 21.9 min |
| Population density | 999 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Monroe City city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Monroe City
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
63456 | Monroe City , MO | Standard | 4,749 | $64,160 | $161,200 |
Map of Monroe City ZIP codes
The ZIP codes of Monroe City, 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 Monroe City
The nearest larger towns are Palmyra (3,623 people, 15 mi), Hannibal (16,771 people, 18 mi) and Quincy, IL (39,109 people, 27 mi).
| Town | Population | Distance |
|---|---|---|
| Palmyra | 3,623 | 14.8 mi |
| Hannibal | 16,771 | 18.4 mi |
| Quincy, IL | 39,109 | 26.9 mi |
| Vandalia | 3,140 | 27.2 mi |
More nearby: every ZIP code in Marion County · Missouri ZIP codes
Cite this page
zipcodes.pro. “Monroe City, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/monroe-city
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