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48.5% are female
51.5% are male

51.5% of residents in ZIP 60661 are male and 48.5% are female. 38.9% of residents are married and 5.7% are divorced. 54.8% have never been married. 0.5% are widowed. The average size of resident families is 2.41.

8.2% report being Hispanic

62.4% of residents in ZIP 60661 report their race as White. 2.6% report their race as Black or African American. 28.7% 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. 1.4% report their race as Some other race. 4.9% report their race as Two or more races. 8.2% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

49.5% have a Science and Engineering degree

1.1% of residents in ZIP 60661 have less than a high school education. 2.3% have a high school diploma but no more. 5.2% of residents have some college but no more. 44% have a bachelor's degree (or equivalent) but no more. 47.4% have a graduate degree. 49.5% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

Median household income: 139063
75.4% have two income earners
66.8% of households earn $100,000+

Median household income in ZIP 60661 is $139063 with 75.4% of families having two income earners. 66.8% of households earn at least $100,000. 6% of households have an income under $5,000, 0% from $5,000-$10,000, 2.2% from $10,000-$15,000, 0.2% from $15,000-$20,000, 0.7% from $20,000-$25,000, 3.8% from $25,000-$35,000, 2% from $35,000-$50,000, 8.9% from $50,000-$75,000, 9.4% from $75,000-$100,000, 21.1% from $100,000-$150,000 and 45.7% over $150,000. The median income of individuals is $96629.