
Allen
- County:
- Wicomico County
- County Seat:
- No
- Area (mi²):
- 0.433
- State:
- Maryland
Allen is a CDP located in Wicomico County, Maryland. Allen has a 2025 population of 148. Allen is currently declining at a rate of -2.63% annually and its population has decreased by -64.68% since the most recent census, which recorded a population of 419 in 2020.
The average household income in Allen is $122,861 with a poverty rate of 0%. The median age in Allen is 69.3 years: 71.3 years for males, and 68.4 years for females.