St. James ZIP code, Maryland
The ZIP code for St. James, MD is 21781, and its area codes are 240, 301 and 227.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 2 more
- Population
- 4,824
- County
- Washington County
- State
- Maryland
Also written Saint James, the spelling the Postal Service uses.
NANPA lists no telephone rate centre for St. James itself, so these are the area codes of the nearest one, Hagerstown (2.5 miles). A town on an area-code boundary can differ from its neighbour.
Mail addressed to St. James uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.
St. James in numbers
About 4,824 people live in St. James, in 1,654 households. The median household income is $97,361 a year, 6% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $409,000 (about the same as the Maryland median), and median gross rent is $1,289 a month. The median age is 40.9; 28.9% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 38 minutes.
| Population | 4,824 |
|---|---|
| Households | 1,654 |
| Median age | 40.9 |
| Median household income | $97,361 |
| Median home value | $409,000 |
| Median gross rent | $1,289 |
| Bachelor's degree or higher | 28.9% |
| Mean commute | 37.6 min |
| Population density | 798 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place St. James CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Saint James
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
21781 | Saint James , MD | Standard | 25 | — | — |
Other ZIP codes overlapping St. James
These ZIP codes cover part of St. James but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
21733 | Fairplay , MD | Standard | 1,275 | $109,896 | $291,800 |
21740 | Hagerstown , MD | Standard | 64,792 | $62,873 | $262,300 |
Map of St. James ZIP codes
The ZIP codes of St. James, MD, 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. James
The nearest larger towns are Halfway (10,849 people, 3.1 mi), Hagerstown (43,665 people, 4.8 mi) and Robinwood (8,042 people, 5.8 mi).
| Town | Population | Distance |
|---|---|---|
| Halfway | 10,849 | 3.1 mi |
| Hagerstown | 43,665 | 4.8 mi |
| Robinwood | 8,042 | 5.8 mi |
| Boonsboro | 3,809 | 6.2 mi |
| Paramount-Long Meadow | 2,569 | 7.9 mi |
| Fountainhead-Orchard Hills | 6,567 | 8.0 mi |
| Maugansville | 3,624 | 8.3 mi |
| Smithsburg | 3,115 | 10.6 mi |
| State Line, PA | 3,111 | 11.1 mi |
| Middletown | 5,014 | 14.6 mi |
| Martinsburg, WV | 18,904 | 14.6 mi |
| Greencastle, PA | 4,222 | 15.0 mi |
| Waynesboro, PA | 11,047 | 15.2 mi |
| Wayne Heights, PA | 3,293 | 16.1 mi |
More nearby: every ZIP code in Washington County · Maryland ZIP codes
Cite this page
zipcodes.pro. “St. James, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/st-james
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