ZIP code 21540
Where is ZIP code 21540?
Luke, Maryland
Allegany County · Standard ZIP code
ZIP code 21540 belongs to Luke, Maryland in Allegany County. 21540 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, 301, 304 and 681. About 89 people live in the 21540 area, where the median household income is $81,250. The closest ZIP codes are 26750 (Piedmont, 0.6 mi east), 21523 (Bloomington, 1.4 mi northwest) and 21562 (Westernport, 2.6 mi east).
| ZIP code | 21540 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Luke |
| Also accepted | Westernport |
| State | Maryland (MD) |
| County | Allegany County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301, 304, 681 |
| Coordinates | 39.4774, -79.0594 map |
| 3-digit prefix | 215 |
Population and income in 21540
| Population | 89 · lower than 95% of Maryland ZIP codes |
|---|---|
| People per square mile | 333 · lower than 53% of Maryland ZIP codes |
| Median age | 44.5 years · higher than 65% of Maryland ZIP codes |
| Men / women | 60% / 40% |
| Median household income | $81,250 · lower than 76% of Maryland ZIP codes |
| Income per person | $32,897 |
| Below the poverty line | 2.2% |
| Bachelor’s degree or higher | 12% of adults 25+ |
| Median home value | $51,000 · lower than 100% of Maryland ZIP codes |
| Housing units | 47 |
| Households | 35 (2.49 people on average) |
| Owners / renters | 89% / 11% |
| Land area | 0.27 sq mi (plus 0.04 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21540. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21540
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 26750 | Piedmont, WV | 0.6 mi E | Standard |
| 21523 | Bloomington, MD | 1.4 mi NW | Standard |
| 21562 | Westernport, MD | 2.6 mi E | Standard |
| 21521 | Barton, MD | 4.2 mi NE | Standard |
| 21539 | Lonaconing, MD | 7.7 mi NE | Standard |
| 26743 | New Creek, WV | 8.1 mi S | Standard |
| 21557 | Rawlings, MD | 8.7 mi E | Standard |
| 26726 | Keyser, WV | 9.1 mi E | Standard |
| 26717 | Elk Garden, WV | 9.4 mi SW | Standard |
| 21538 | Kitzmiller, MD | 9.6 mi SW | Standard |
| 21561 | Swanton, MD | 9.6 mi W | Standard |
| 21542 | Midland, MD | 9.7 mi NE | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21540 or measure the distance to another ZIP code.
How to address mail to 21540
123 MAIN ST
LUKE MD 21540
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts WESTERNPORT as the city name for 21540. Adding the 4-digit ZIP+4 code (21540-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21540?
- 21540 is a Luke, Maryland ZIP code. Westernport is also accepted as the city name.
- What county is 21540 in?
- ZIP code 21540 is in Allegany County, Maryland.
- What time zone is ZIP code 21540 in?
- 21540 is in the Eastern Time zone (America/New_York).
- What area code is 21540?
- Phone numbers in ZIP code 21540 use area codes 227, 240, 301, 304 and 681.
- What is the population of ZIP code 21540?
- About 89 people live in ZIP code 21540, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21540?
- The median household income in 21540 is $81,250 a year, lower than 76% of Maryland ZIP codes.
- What ZIP codes are near 21540?
- The nearest ZIP codes to 21540 are 26750 (Piedmont, 0.6 miles), 21523 (Bloomington, 1.4 miles), 21562 (Westernport, 2.6 miles) and 21521 (Barton, 4.2 miles).