St. Charles ZIP codes, Missouri
St. Charles, MO has 4 ZIP codes (63301, 63303, 63304 and 63302) and area code 636. The largest is 63301.
- USPS city name
- 4 ZIP codes
- Overlapping the city
- 1 more
- Population
- 71,508
- Area code
- 636
- County
- St. Charles County
- State
- Missouri
Also written Saint Charles, the spelling the Postal Service uses.
Mail addressed to St. Charles uses the ZIP codes above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.
St. Charles in numbers
About 71,508 people live in St. Charles, in 30,362 households, the 8th-largest of Missouri's 1,062 census places. The median household income is $85,937 a year, 22% above the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $298,700 (30% above the Missouri median), and median gross rent is $1,251 a month. The median age is 38.6; 43.3% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 22 minutes.
| Population | 71,508 |
|---|---|
| Households | 30,362 |
| Median age | 38.6 |
| Median household income | $85,937 |
| Median home value | $298,700 |
| Median gross rent | $1,251 |
| Bachelor's degree or higher | 43.3% |
| Mean commute | 21.6 min |
| Population density | 2,836 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place St. Charles city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Saint Charles
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
63301 | Saint Charles , MO | Standard | 52,667 | $85,308 | $267,600 |
63303 | Saint Charles , MO | Standard | 46,089 | $99,138 | $321,100 |
63304 | Saint Charles , MO | Standard | 43,195 | $114,442 | $351,000 |
63302 | Saint Charles , MO | No street area | — | — | — |
Other ZIP codes overlapping St. Charles
These ZIP codes cover part of St. Charles but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
63376 | Saint Peters , MO | Standard | 74,962 | $96,393 | $275,400 |
Map of St. Charles ZIP codes
The ZIP codes of St. Charles, 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 St. Charles
The nearest larger towns are O'Fallon (93,801 people, 11 mi), St. Louis (288,512 people, 18 mi) and Springfield, IL (113,330 people, 83 mi).
| Town | Population | Distance |
|---|---|---|
| St. Peters | 59,092 | 4.9 mi |
| Bridgeton | 11,369 | 5.5 mi |
| Maryland Heights | 27,880 | 5.9 mi |
| Hazelwood | 25,114 | 6.4 mi |
| Cottleville | 5,937 | 8.3 mi |
| St. Ann | 12,811 | 8.4 mi |
| Weldon Spring | 5,310 | 9.5 mi |
| Woodson Terrace | 3,908 | 9.6 mi |
| Breckenridge Hills | 4,402 | 9.7 mi |
| Creve Coeur | 18,643 | 10.0 mi |
| Chesterfield | 49,574 | 10.1 mi |
| Florissant | 51,773 | 10.1 mi |
| Berkeley | 8,123 | 10.2 mi |
| Overland | 15,695 | 10.5 mi |
More nearby: every ZIP code in St. Charles County · Missouri ZIP codes
Cite this page
zipcodes.pro. “St. Charles, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/st-charles
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