ZIP code 21521
Where is ZIP code 21521?
Barton, Maryland
Allegany County · Standard ZIP code
ZIP code 21521 belongs to Barton, Maryland in Allegany County. 21521 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 227, 240 and 301. About 1,400 people live in the 21521 area, where the median household income is $64,194. The closest ZIP codes are 21562 (Westernport, 3 mi south), 21539 (Lonaconing, 3.5 mi northeast) and 26750 (Piedmont, 3.8 mi south).
| ZIP code | 21521 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Barton |
| State | Maryland (MD) |
| County | Allegany County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301 |
| Coordinates | 39.5331, -79.0281 map |
| 3-digit prefix | 215 |
Population and income in 21521
| Population | 1,400 · lower than 71% of Maryland ZIP codes |
|---|---|
| People per square mile | 59 · lower than 86% of Maryland ZIP codes |
| Median age | 54.1 years · higher than 87% of Maryland ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $64,194 · lower than 88% of Maryland ZIP codes |
| Income per person | $33,294 |
| Below the poverty line | 13% |
| Bachelor’s degree or higher | 12% of adults 25+ |
| Median home value | $107,500 · lower than 98% of Maryland ZIP codes |
| Median rent | $863 a month |
| Housing units | 656 |
| Households | 568 (2.46 people on average) |
| Owners / renters | 90% / 10% |
| Land area | 23.82 sq mi (plus 0.02 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21521. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21521
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21562 | Westernport, MD | 3 mi S | Standard |
| 21539 | Lonaconing, MD | 3.5 mi NE | Standard |
| 26750 | Piedmont, WV | 3.8 mi S | Standard |
| 21540 | Luke, MD | 4.2 mi SW | Standard |
| 21523 | Bloomington, MD | 4.4 mi SW | Standard |
| 21542 | Midland, MD | 5.7 mi NE | PO Box only |
| 21557 | Rawlings, MD | 6.5 mi E | Standard |
| 21543 | Midlothian, MD | 8.1 mi NE | PO Box only |
| 26726 | Keyser, WV | 9.1 mi SE | Standard |
| 21532 | Frostburg, MD | 9.6 mi NE | Standard |
| 21536 | Grantsville, MD | 9.9 mi NW | Standard |
| 21556 | Pinto, MD | 10.2 mi E | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21521 or measure the distance to another ZIP code.
How to address mail to 21521
123 MAIN ST
BARTON MD 21521
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21521-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21521?
- 21521 is a Barton, Maryland ZIP code.
- What county is 21521 in?
- ZIP code 21521 is in Allegany County, Maryland.
- What time zone is ZIP code 21521 in?
- 21521 is in the Eastern Time zone (America/New_York).
- What area code is 21521?
- Phone numbers in ZIP code 21521 use area codes 227, 240 and 301.
- What is the population of ZIP code 21521?
- About 1,400 people live in ZIP code 21521, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21521?
- The median household income in 21521 is $64,194 a year, lower than 88% of Maryland ZIP codes.
- What ZIP codes are near 21521?
- The nearest ZIP codes to 21521 are 21562 (Westernport, 3 miles), 21539 (Lonaconing, 3.5 miles), 26750 (Piedmont, 3.8 miles) and 21540 (Luke, 4.2 miles).