ZIP code 21756
Where is ZIP code 21756?
Keedysville, Maryland
Washington County · Standard ZIP code
ZIP code 21756 belongs to Keedysville, Maryland in Washington County. 21756 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 3,640 people live in the 21756 area, where the median household income is $101,786. The closest ZIP codes are 21779 (Rohrersville, 2.1 mi southeast), 21782 (Sharpsburg, 3.2 mi west) and 21715 (Brownsville, 5.2 mi south).
| ZIP code | 21756 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Keedysville |
| State | Maryland (MD) |
| County | Washington County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301 |
| Coordinates | 39.4563, -77.6944 map |
| 3-digit prefix | 217 |
Population and income in 21756
| Population | 3,640 · lower than 55% of Maryland ZIP codes |
|---|---|
| People per square mile | 156 · lower than 69% of Maryland ZIP codes |
| Median age | 41.8 years · higher than 50% of Maryland ZIP codes |
| Men / women | 52% / 48% |
| Median household income | $101,786 · lower than 53% of Maryland ZIP codes |
| Income per person | $48,757 |
| Below the poverty line | 2.9% |
| Bachelor’s degree or higher | 29% of adults 25+ |
| Median home value | $413,200 · lower than 51% of Maryland ZIP codes |
| Median rent | $1,321 a month |
| Housing units | 1,496 |
| Households | 1,394 (2.61 people on average) |
| Owners / renters | 98% / 2.3% |
| Land area | 23.29 sq mi (plus 0.01 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21756. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21756
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21779 | Rohrersville, MD | 2.1 mi SE | Standard |
| 21782 | Sharpsburg, MD | 3.2 mi W | Standard |
| 21715 | Brownsville, MD | 5.2 mi S | PO Box only |
| 21718 | Burkittsville, MD | 5.7 mi SE | Standard |
| 21713 | Boonsboro, MD | 6.6 mi N | Standard |
| 25443 | Shepherdstown, WV | 6.7 mi W | Standard |
| 21746 | Hagerstown, MD | 7.6 mi N | Unique |
| 21769 | Middletown, MD | 7.8 mi E | Standard |
| 21758 | Knoxville, MD | 7.8 mi S | Standard |
| 21733 | Fairplay, MD | 7.9 mi NW | Standard |
| 21781 | Saint James, MD | 8.6 mi NW | PO Box only |
| 25442 | Shenandoah Junction, WV | 9 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21756 or measure the distance to another ZIP code.
How to address mail to 21756
123 MAIN ST
KEEDYSVILLE MD 21756
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21756-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21756?
- 21756 is a Keedysville, Maryland ZIP code.
- What county is 21756 in?
- ZIP code 21756 is in Washington County, Maryland.
- What time zone is ZIP code 21756 in?
- 21756 is in the Eastern Time zone (America/New_York).
- What area code is 21756?
- Phone numbers in ZIP code 21756 use area codes 227, 240 and 301.
- What is the population of ZIP code 21756?
- About 3,640 people live in ZIP code 21756, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21756?
- The median household income in 21756 is $101,786 a year, lower than 53% of Maryland ZIP codes.
- What ZIP codes are near 21756?
- The nearest ZIP codes to 21756 are 21779 (Rohrersville, 2.1 miles), 21782 (Sharpsburg, 3.2 miles), 21715 (Brownsville, 5.2 miles) and 21718 (Burkittsville, 5.7 miles).