Claus M. Koestler

52% are female
48% are male

48% of residents in ZIP 61821 are male and 52% are female. 44.7% of residents are married and 11.6% are divorced. 39.2% have never been married. 4.6% are widowed. The average size of resident families is 3.02.

6.6% report being Hispanic

64.8% of residents in ZIP 61821 report their race as White. 23.8% report their race as Black or African American. 5.1% 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. 1.6% report their race as Some other race. 4.7% report their race as Two or more races. 6.6% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

48.4% have a Science and Engineering degree

4.8% of residents in ZIP 61821 have less than a high school education. 21.6% have a high school diploma but no more. 28.7% of residents have some college but no more. 18.1% have a bachelor's degree (or equivalent) but no more. 26.8% have a graduate degree. 48.4% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

Median household income: 59031
50.1% have two income earners
24.7% of households earn $100,000+

Median household income in ZIP 61821 is $59031 with 50.1% of families having two income earners. 24.7% of households earn at least $100,000. 4.2% of households have an income under $5,000, 1.2% from $5,000-$10,000, 3.6% from $10,000-$15,000, 2.9% from $15,000-$20,000, 4.7% from $20,000-$25,000, 9.9% from $25,000-$35,000, 15.1% from $35,000-$50,000, 18.4% from $50,000-$75,000, 15.2% from $75,000-$100,000, 11.1% from $100,000-$150,000 and 13.6% over $150,000. The median income of individuals is $34952.