ZIP code 21810: Allen, MD
21810 is a ZIP code in Allen, Maryland, mainly in Wicomico County, part of the Salisbury, MD metro area. About 55 people live here.
- Population
- 55
- Median household income
- —
- Typical home value
- —
- Median rent
- —gross, per month
- Median age
- 69.9
- Homeowners
- 100%of occupied homes
Shaded: ZIP code 21810's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 21810 details
| City | Allen |
|---|---|
| State | Maryland |
| County | Wicomico County |
| Metro area | Salisbury, MD |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 0.5 sq mi, plus 0 sq mi of water |
| Population density | 117 people per sq mi |
| Bachelor's degree or higher | 52.7% of adults 25+ |
| Center coordinates | 38.29068, -75.68927 |
ZIP codes near 21810
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 21822 | Eden, MD | 1.5 mi | 2,926 |
| 21826 | Fruitland, MD | 4.0 mi | 5,451 |
| 21801 | Salisbury, MD | 4.1 mi | 30,088 |
| 21853 | Princess Anne, MD | 6.3 mi | 10,537 |
| 21856 | Quantico, MD | 6.4 mi | 1,037 |
| 21865 | Tyaskin, MD | 7.5 mi | 320 |
| 21803 | Salisbury, MD | 7.5 mi | — |
| 21802 | Salisbury, MD | 7.5 mi | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
About ZIP code 21810
What city is ZIP code 21810?
ZIP code 21810 is in Allen, MD, in Wicomico County.
What county is ZIP code 21810 in?
21810 is mainly in Wicomico County, Maryland.
What is the population of ZIP code 21810?
About 55 people live in ZIP code 21810, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 21810 in?
21810 is in Eastern Time (UTC−5). It observes daylight saving time.