ZIP code 21711
Where is ZIP code 21711?
Big Pool, Maryland
Washington County · Standard ZIP code
ZIP code 21711 belongs to Big Pool, Maryland in Washington County. 21711 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 223, 227, 240, 301, 304, 681 and 717. About 929 people live in the 21711 area, where the median household income is $91,250. The closest ZIP codes are 21722 (Clear Spring, 5.7 mi east), 25419 (Falling Waters, 7.8 mi southeast) and 25403 (Martinsburg, 8.7 mi south).
| ZIP code | 21711 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Big Pool |
| State | Maryland (MD) |
| County | Washington County |
| Time zone | Eastern Time · now |
| Area codes | 223, 227, 240, 301, 304, 681, 717 |
| Coordinates | 39.6457, -78.0104 map |
| 3-digit prefix | 217 |
Population and income in 21711
| Population | 929 · lower than 75% of Maryland ZIP codes |
|---|---|
| People per square mile | 38 · lower than 92% of Maryland ZIP codes |
| Median age | 52.3 years · higher than 85% of Maryland ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $91,250 · lower than 60% of Maryland ZIP codes |
| Income per person | $45,819 |
| Below the poverty line | 11% |
| Bachelor’s degree or higher | 20% of adults 25+ |
| Median home value | $310,600 · lower than 75% of Maryland ZIP codes |
| Housing units | 448 |
| Households | 434 (2.14 people on average) |
| Owners / renters | 100% / 0.0% |
| Land area | 24.56 sq mi (plus 0.68 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21711. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21711
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21722 | Clear Spring, MD | 5.7 mi E | Standard |
| 25419 | Falling Waters, WV | 7.8 mi SE | Standard |
| 25403 | Martinsburg, WV | 8.7 mi S | Standard |
| 21750 | Hancock, MD | 9.6 mi NW | Standard |
| 25427 | Hedgesville, WV | 9.6 mi SW | Standard |
| 21795 | Williamsport, MD | 11.3 mi E | Standard |
| 25411 | Berkeley Springs, WV | 11.4 mi SW | Standard |
| 17212 | Big Cove Tannery, PA | 11.9 mi N | Standard |
| 25404 | Martinsburg, WV | 12.7 mi SE | Standard |
| 17267 | Warfordsburg, PA | 13.2 mi NW | Standard |
| 17236 | Mercersburg, PA | 13.2 mi NE | Standard |
| 25401 | Martinsburg, WV | 13.2 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21711 or measure the distance to another ZIP code.
How to address mail to 21711
123 MAIN ST
BIG POOL MD 21711
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21711-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21711?
- 21711 is a Big Pool, Maryland ZIP code.
- What county is 21711 in?
- ZIP code 21711 is in Washington County, Maryland.
- What time zone is ZIP code 21711 in?
- 21711 is in the Eastern Time zone (America/New_York).
- What area code is 21711?
- Phone numbers in ZIP code 21711 use area codes 223, 227, 240, 301, 304, 681 and 717.
- What is the population of ZIP code 21711?
- About 929 people live in ZIP code 21711, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21711?
- The median household income in 21711 is $91,250 a year, lower than 60% of Maryland ZIP codes.
- What ZIP codes are near 21711?
- The nearest ZIP codes to 21711 are 21722 (Clear Spring, 5.7 miles), 25419 (Falling Waters, 7.8 miles), 25403 (Martinsburg, 8.7 miles) and 21750 (Hancock, 9.6 miles).