R M. Davis

52.4% are female
47.6% are male

47.6% of residents in ZIP 23221 are male and 52.4% are female. 40.9% of residents are married and 9.6% are divorced. 46.4% have never been married. 3.1% are widowed. The average size of resident families is 2.65.

2.9% report being Hispanic

88.5% of residents in ZIP 23221 report their race as White. 4.3% report their race as Black or African American. 2.8% report their race as Asian. 0.4% report their race as American Indian and Alaska Native. 0% report their race as Native Hawaiian and Other Pacific Islander. 1.3% report their race as Some other race. 2.7% report their race as Two or more races. 2.9% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

43.4% have a Science and Engineering degree

2% of residents in ZIP 23221 have less than a high school education. 6.2% have a high school diploma but no more. 15.9% of residents have some college but no more. 42.6% have a bachelor's degree (or equivalent) but no more. 33.3% have a graduate degree. 43.4% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

Median household income: 87218
66.3% have two income earners
44.8% of households earn $100,000+

Median household income in ZIP 23221 is $87218 with 66.3% of families having two income earners. 44.8% of households earn at least $100,000. 0.3% of households have an income under $5,000, 0.9% from $5,000-$10,000, 1.7% from $10,000-$15,000, 1.8% from $15,000-$20,000, 2.6% from $20,000-$25,000, 6.8% from $25,000-$35,000, 10.5% from $35,000-$50,000, 17.7% from $50,000-$75,000, 12.8% from $75,000-$100,000, 17.3% from $100,000-$150,000 and 27.5% over $150,000. The median income of individuals is $54130.