Delmar is located in Maryland. Delmar, Maryland 21875 has population of 3,442. Delmar 21875 is less family-centric than the surrounding county with 23% of the households with children.
The median household income in Delmar, Maryland 21875 is $63,149. The median household income for the surrounding county is $59,093 compared to the national median of $66,222. The median age of people living in Delmar 21875 is 37.2 years.
The average high temperature in July is 86.9 degrees, with an average low temperature in January of 28.3 degrees. The annual precipitation is 45.97.
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