ZIP code 21821
Where is ZIP code 21821?
Deal Island, Maryland
Somerset County · Standard ZIP code
ZIP code 21821 belongs to Deal Island, Maryland in Somerset County. 21821 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 410, 443 and 667. About 797 people live in the 21821 area, where the median household income is $60,341. The closest ZIP codes are 21890 (Westover, 5.4 mi southeast), 21840 (Nanticoke, 8.3 mi north) and 21627 (Crocheron, 8.3 mi northwest).
| ZIP code | 21821 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Deal Island |
| Also accepted | Chance, Dames Quarter, Wenona |
| State | Maryland (MD) |
| County | Somerset County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 38.1533, -75.9496 map |
| 3-digit prefix | 218 |
Population and income in 21821
| Population | 797 · lower than 78% of Maryland ZIP codes |
|---|---|
| People per square mile | 54 · lower than 88% of Maryland ZIP codes |
| Median age | 46 years · higher than 72% of Maryland ZIP codes |
| Men / women | 45% / 56% |
| Median household income | $60,341 · lower than 93% of Maryland ZIP codes |
| Income per person | $30,716 |
| Below the poverty line | 19% |
| Bachelor’s degree or higher | 11% of adults 25+ |
| Median home value | $188,200 · lower than 94% of Maryland ZIP codes |
| Median rent | $1,615 a month |
| Housing units | 679 |
| Households | 375 (2.13 people on average) |
| Owners / renters | 83% / 17% |
| Land area | 14.74 sq mi (plus 5.07 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21821. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21821
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21890 | Westover, MD | 5.4 mi SE | Unique |
| 21840 | Nanticoke, MD | 8.3 mi N | Standard |
| 21627 | Crocheron, MD | 8.3 mi NW | Standard |
| 21867 | Upper Fairmount, MD | 9.3 mi E | PO Box only |
| 21672 | Toddville, MD | 10.2 mi NW | Standard |
| 21814 | Bivalve, MD | 10.3 mi N | Standard |
| 21865 | Tyaskin, MD | 10.6 mi NE | Standard |
| 21836 | Manokin, MD | 10.9 mi E | PO Box only |
| 21871 | Westover, MD | 11.9 mi E | Standard |
| 21824 | Ewell, MD | 12 mi SW | Standard |
| 21675 | Wingate, MD | 12 mi NW | Standard |
| 21817 | Crisfield, MD | 13 mi SE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21821 or measure the distance to another ZIP code.
How to address mail to 21821
123 MAIN ST
DEAL ISLAND MD 21821
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts CHANCE, DAMES QUARTER and WENONA as the city name for 21821. Adding the 4-digit ZIP+4 code (21821-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21821?
- 21821 is a Deal Island, Maryland ZIP code. Chance, Dames Quarter and Wenona are also accepted as the city name.
- What county is 21821 in?
- ZIP code 21821 is in Somerset County, Maryland.
- What time zone is ZIP code 21821 in?
- 21821 is in the Eastern Time zone (America/New_York).
- What area code is 21821?
- Phone numbers in ZIP code 21821 use area codes 410, 443 and 667.
- What is the population of ZIP code 21821?
- About 797 people live in ZIP code 21821, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21821?
- The median household income in 21821 is $60,341 a year, lower than 93% of Maryland ZIP codes.
- What ZIP codes are near 21821?
- The nearest ZIP codes to 21821 are 21890 (Westover, 5.4 miles), 21840 (Nanticoke, 8.3 miles), 21627 (Crocheron, 8.3 miles) and 21867 (Upper Fairmount, 9.3 miles).