A Mark

50.2% are female
49.8% are male

49.8% of residents in ZIP 18901 are male and 50.2% are female. 50.9% of residents are married and 11% are divorced. 30.7% have never been married. 7.4% are widowed. The average size of resident families is 3.

2.8% report being Hispanic

90.3% of residents in ZIP 18901 report their race as White. 2.1% report their race as Black or African American. 2.3% report their race as Asian. 0.1% report their race as American Indian and Alaska Native. 0% report their race as Native Hawaiian and Other Pacific Islander. 0.6% report their race as Some other race. 4.5% report their race as Two or more races. 2.8% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

46.2% have a Science and Engineering degree

2.5% of residents in ZIP 18901 have less than a high school education. 18.8% have a high school diploma but no more. 21.4% of residents have some college but no more. 31.5% have a bachelor's degree (or equivalent) but no more. 25.8% have a graduate degree. 46.2% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

Median household income: 107988
65.4% have two income earners
53.6% of households earn $100,000+

Median household income in ZIP 18901 is $107988 with 65.4% of families having two income earners. 53.6% of households earn at least $100,000. 2.5% of households have an income under $5,000, 1.3% from $5,000-$10,000, 2% from $10,000-$15,000, 3.5% from $15,000-$20,000, 2% from $20,000-$25,000, 6.2% from $25,000-$35,000, 7.4% from $35,000-$50,000, 10.4% from $50,000-$75,000, 11.2% from $75,000-$100,000, 17.4% from $100,000-$150,000 and 36.2% over $150,000. The median income of individuals is $44709.