A Kowalski

51.3% are female
48.7% are male

48.7% of residents in ZIP 22601 are male and 51.3% are female. 40.3% of residents are married and 16.1% are divorced. 37.8% have never been married. 5.8% are widowed. The average size of resident families is 3.25.

17.8% report being Hispanic

74.4% of residents in ZIP 22601 report their race as White. 10% report their race as Black or African American. 2.3% report their race as Asian. 0.3% report their race as American Indian and Alaska Native. 0% report their race as Native Hawaiian and Other Pacific Islander. 5.9% report their race as Some other race. 7.2% report their race as Two or more races. 17.8% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

38.8% have a Science and Engineering degree

12.3% of residents in ZIP 22601 have less than a high school education. 26.8% have a high school diploma but no more. 27.1% of residents have some college but no more. 20.2% have a bachelor's degree (or equivalent) but no more. 13.5% have a graduate degree. 38.8% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

Median household income: 61179
54.1% have two income earners
26.7% of households earn $100,000+

Median household income in ZIP 22601 is $61179 with 54.1% of families having two income earners. 26.7% of households earn at least $100,000. 2.3% of households have an income under $5,000, 1.1% from $5,000-$10,000, 4.2% from $10,000-$15,000, 4% from $15,000-$20,000, 3.6% from $20,000-$25,000, 10.6% from $25,000-$35,000, 13% from $35,000-$50,000, 22.3% from $50,000-$75,000, 12.3% from $75,000-$100,000, 14.2% from $100,000-$150,000 and 12.5% over $150,000. The median income of individuals is $33166.