Harold D. Knox

52.1% are female
47.9% are male

47.9% of residents in ZIP 22192 are male and 52.1% are female. 54.5% of residents are married and 12% are divorced. 29.7% have never been married. 3.8% are widowed. The average size of resident families is 3.51.

17.2% report being Hispanic

53.9% of residents in ZIP 22192 report their race as White. 22.8% report their race as Black or African American. 9.6% 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. 5.7% report their race as Some other race. 7.5% report their race as Two or more races. 17.2% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

44.6% have a Science and Engineering degree

6.8% of residents in ZIP 22192 have less than a high school education. 17.3% have a high school diploma but no more. 29.5% of residents have some college but no more. 24.8% have a bachelor's degree (or equivalent) but no more. 21.6% have a graduate degree. 44.6% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

Median household income: 109825
63.5% have two income earners
57% of households earn $100,000+

Median household income in ZIP 22192 is $109825 with 63.5% of families having two income earners. 57% of households earn at least $100,000. 0.6% of households have an income under $5,000, 1.4% from $5,000-$10,000, 1.1% from $10,000-$15,000, 0.9% from $15,000-$20,000, 2.6% from $20,000-$25,000, 2.9% from $25,000-$35,000, 5.8% from $35,000-$50,000, 12.3% from $50,000-$75,000, 15.6% from $75,000-$100,000, 25.6% from $100,000-$150,000 and 31.4% over $150,000. The median income of individuals is $52764.