Somerset County, MD ZIP codes
There are 11 ZIP codes in Somerset County, MD, in 10 towns, from 21817 to 21890. The largest are 21853 (Princess Anne), 21817 (Crisfield) and 21871 (Westover). 1 more crosses into it from a neighbouring county: 21851.
The county seat is Princess Anne.
- ZIP codes
- 11
- Partly in it
- 1 more
- Towns
- 10
- County seat
- Princess Anne
- County FIPS
24039- State
- Maryland
- Population
- 24,822
- Median household income
- $64,943
- Land area
- 320 sq mi
- Metro area
- Salisbury
Somerset County ZIP codes by town
- Princess Anne (county seat)
- 21853
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in Somerset County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Somerset County.
- 21851 Pocomoke City · mostly in Worcester County
Map of Somerset County ZIP codes
The ZIP codes of Somerset County, 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.
Somerset County in numbers
About 24,822 people live in Somerset County, in 8,348 households, the 23rd most populous of Maryland's 24 counties. The median household income is $64,943 a year, 37% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $173,200 (59% below the Maryland median), and median gross rent is $1,013 a month. The median age is 38.1; 19.4% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 25 minutes.
| Population | 24,822 |
|---|---|
| Households | 8,348 |
| Median age | 38.1 |
| Median household income | $64,943 |
| Median home value | $173,200 |
| Median gross rent | $1,013 |
| Bachelor's degree or higher | 19.4% |
| Mean commute | 24.5 min |
| Population density | 78 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Somerset County
| Town | ZIP codes | Population |
|---|---|---|
| Westover | 2 | 5,053 |
| Princess Anne | 1 | 3,569 |
| Crisfield | 1 | 2,499 |
| Marion Station | 1 | 1,873 |
| Deal Island | 1 | 341 |
| Ewell | 1 | 264 |
| Tylerton | 1 | 81 |
| Upper Fairmount | 1 | 60 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Somerset County.
Not sure you are in Somerset County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Somerset County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
21817 | Crisfield , MD | Standard | 4,417 | $55,720 | $161,000 |
21821 | Deal Island , MD | Standard | 797 | $60,341 | $188,200 |
21824 | Ewell , MD | Standard | 264 | $90,288 | $108,500 |
21836 | Manokin , MD | No street area | — | — | — |
21838 | Marion Station , MD | Standard | 1,873 | $88,438 | $202,400 |
21853 | Princess Anne , MD | Standard | 10,537 | $69,697 | $208,300 |
21857 | Rehobeth , MD | No street area | — | — | — |
21866 | Tylerton , MD | Standard | 81 | $95,250 | $177,500 |
21867 | Upper Fairmount , MD | Standard | 60 | — | — |
21871 | Westover , MD | Standard | 1,764 | $50,524 | $185,900 |
21890 | Westover , MD | Standard | 3,289 | — | — |
Cite this page
zipcodes.pro. “Somerset County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/md/county/somerset
Underlying data is public domain or openly licensed — sources, vintages and licences.