Deal Island (21821) has an estimated 991 residents with 991 of those people in approximately 433 housing units. The 21821 zipcode contains 225 housing units that are owned with a mortgage or a loan, 147 housing units that are owned free and clear and 61 housing units that are renter occupied.

Zip code 21821 is in the Salisbury metropolitan area.
The median estimated home value in Deal Island, MD (21821) is $124,500 as of 2018-10-31 . Home values here have declined by 0.89%.

In Deal Island, MD (21821), values have declined by -0.11 from when they peaked at $139,400 in 2007-Q2

The Zillow Market Health Index for Deal Island, MD (21821) is 0.52. The corresponding state value is 0.78. This is significantly lower than the overall Market Health Index of Maryland.
Metro value is 1.24.
This is significantly lower than the overall Market Health Index of Salisbury.