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51.8% are female
48.2% are male

48.2% of residents in ZIP 01545 are male and 51.8% are female. 60% of residents are married and 10% are divorced. 25.3% have never been married. 4.6% are widowed. The average size of resident families is 3.27.

5% report being Hispanic

68.1% of residents in ZIP 01545 report their race as White. 2.3% report their race as Black or African American. 23.1% 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. 1.2% report their race as Some other race. 5.1% report their race as Two or more races. 5% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

59% have a Science and Engineering degree

4.6% of residents in ZIP 01545 have less than a high school education. 14.6% have a high school diploma but no more. 17.4% of residents have some college but no more. 30.5% have a bachelor's degree (or equivalent) but no more. 32.9% have a graduate degree. 59% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

Median household income: 117909
62.9% have two income earners
59.1% of households earn $100,000+

Median household income in ZIP 01545 is $117909 with 62.9% of families having two income earners. 59.1% of households earn at least $100,000. 2.2% of households have an income under $5,000, 0.8% from $5,000-$10,000, 1.5% from $10,000-$15,000, 1.1% from $15,000-$20,000, 2.1% from $20,000-$25,000, 5.5% from $25,000-$35,000, 6.6% from $35,000-$50,000, 9.5% from $50,000-$75,000, 11.8% from $75,000-$100,000, 19.6% from $100,000-$150,000 and 39.5% over $150,000. The median income of individuals is $55736.