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53.1% are female
46.9% are male

46.9% of residents in ZIP 01720 are male and 53.1% are female. 62.8% of residents are married and 7.1% are divorced. 25.4% have never been married. 4.7% are widowed. The average size of resident families is 3.14.

3.6% report being Hispanic

66.4% of residents in ZIP 01720 report their race as White. 4.3% report their race as Black or African American. 23.2% report their race as Asian. 0.2% report their race as American Indian and Alaska Native. 0% report their race as Native Hawaiian and Other Pacific Islander. 0.7% report their race as Some other race. 5.3% report their race as Two or more races. 3.6% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

63.1% have a Science and Engineering degree

3.2% of residents in ZIP 01720 have less than a high school education. 6.9% have a high school diploma but no more. 13.3% of residents have some college but no more. 34.1% have a bachelor's degree (or equivalent) but no more. 42.4% have a graduate degree. 63.1% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

Median household income: 138220
69.1% have two income earners
62.8% of households earn $100,000+

Median household income in ZIP 01720 is $138220 with 69.1% of families having two income earners. 62.8% of households earn at least $100,000. 1.2% of households have an income under $5,000, 1.5% from $5,000-$10,000, 3.4% from $10,000-$15,000, 1.1% from $15,000-$20,000, 1.9% from $20,000-$25,000, 2.8% from $25,000-$35,000, 6.9% from $35,000-$50,000, 12.1% from $50,000-$75,000, 6.4% from $75,000-$100,000, 16.2% from $100,000-$150,000 and 46.6% over $150,000. The median income of individuals is $63484.