| Allen | |
| Settlement Type: | Census-designated place |
| Pushpin Map: | USA Maryland#USA |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location within the state of Maryland |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Maryland |
| Subdivision Type2: | County |
| Subdivision Name2: | Wicomico |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.14 |
| Area Land Km2: | 1.12 |
| Area Water Km2: | 0.01 |
| Area Total Sq Mi: | 0.44 |
| Area Land Sq Mi: | 0.43 |
| Area Water Sq Mi: | 0.01 |
| Population As Of: | 2020 |
| Population Total: | 199 |
| Population Density Km2: | 177.25 |
| Population Density Sq Mi: | 459.58 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 10 |
| Coordinates: | 38.2872°N -75.6881°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 21810 |
| Area Codes: | 410 & 443 |
| Blank Name: | FIPS code |
| Blank Info: | 24-00800 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 589634 |
Allen is an unincorporated community and census-designated place in Wicomico County, Maryland, United States. Its population was 210 as of the 2010 census.[2] It is part of the Salisbury, Maryland-Delaware Metropolitan Statistical Area.
The Asbury Methodist Episcopal Church, Bennett's Adventure, and Bounds Lott are listed on the National Register of Historic Places.