'Deal Island, MD' definitions:

Deal Island, MD -- U.S. Census Designated Place in Maryland

From: Gazetteer 2000
Name :
Deal Island, MD -- U.S. Census Designated Place in Maryland
Population (2000) :
578
Housing Units (2000) :
352
Land area (2000) :
3.247738 sq. miles (8.411602 sq. km)
Water area (2000) :
2.126940 sq. miles (5.508749 sq. km)
Total area (2000) :
5.374678 sq. miles (13.920351 sq. km)
FIPS code :
22100
Located within :
Maryland (MD), FIPS 24
Location :
38.154551 N, 75.945659 W
ZIP Codes (1990) :
21821
Note :
some ZIP codes may be omitted esp. for suburbs.