David B. Rivkin

51.5% are female
48.5% are male

48.5% of residents in ZIP 37220 are male and 51.5% are female. 71.9% of residents are married and 7.2% are divorced. 15.8% have never been married. 5.1% are widowed. The average size of resident families is 2.96.

1.2% report being Hispanic

94.8% of residents in ZIP 37220 report their race as White. 2.8% report their race as Black or African American. 0.4% 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% report their race as Some other race. 1.7% report their race as Two or more races. 1.2% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

31.8% have a Science and Engineering degree

0.6% of residents in ZIP 37220 have less than a high school education. 8% have a high school diploma but no more. 14.2% of residents have some college but no more. 50.6% have a bachelor's degree (or equivalent) but no more. 26.6% have a graduate degree. 31.8% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

Median household income: 137976
56% have two income earners
65.2% of households earn $100,000+

Median household income in ZIP 37220 is $137976 with 56% of families having two income earners. 65.2% of households earn at least $100,000. 0% of households have an income under $5,000, 0.4% from $5,000-$10,000, 0.9% from $10,000-$15,000, 1.2% from $15,000-$20,000, 2.3% from $20,000-$25,000, 4.2% from $25,000-$35,000, 4.1% from $35,000-$50,000, 11.3% from $50,000-$75,000, 10.3% from $75,000-$100,000, 21.6% from $100,000-$150,000 and 43.6% over $150,000. The median income of individuals is $53980.