Rr 1

48.9% are female
51.1% are male

51.1% of residents in ZIP 18831 are male and 48.9% are female. 60.1% of residents are married and 7.4% are divorced. 24.1% have never been married. 8.5% are widowed. The average size of resident families is 2.95.

0.4% report being Hispanic

90.9% of residents in ZIP 18831 report their race as White. 0.3% report their race as Black or African American. 3.6% report their race as Asian. 0% report their race as American Indian and Alaska Native. 0% report their race as Native Hawaiian and Other Pacific Islander. 3.2% report their race as Some other race. 2% report their race as Two or more races. 0.4% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

55.4% have a Science and Engineering degree

4.9% of residents in ZIP 18831 have less than a high school education. 55.8% have a high school diploma but no more. 24.2% of residents have some college but no more. 6.1% have a bachelor's degree (or equivalent) but no more. 9% have a graduate degree. 55.4% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

Median household income: 66071
49.3% have two income earners
22.1% of households earn $100,000+

Median household income in ZIP 18831 is $66071 with 49.3% of families having two income earners. 22.1% of households earn at least $100,000. 5.5% of households have an income under $5,000, 0% from $5,000-$10,000, 0.7% from $10,000-$15,000, 5% from $15,000-$20,000, 6.6% from $20,000-$25,000, 4.7% from $25,000-$35,000, 10% from $35,000-$50,000, 39.1% from $50,000-$75,000, 6.4% from $75,000-$100,000, 15.2% from $100,000-$150,000 and 6.9% over $150,000. The median income of individuals is $30383.