21817 is located in Maryland. There are roughly 4,399 residents, living in 1,822 households. The average temperature for 21817 this time of the year is low of 68F and high of 85F. On average, 21817 gets about 4.26 inches of precipitation in August. Most residents are home owners (60%), have a high school diploma (54%) and are single, no kids (45%).
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