John W. Rock

48% are female
52% are male

52% of residents in ZIP 55378 are male and 48% are female. 60.8% of residents are married and 8.7% are divorced. 28.2% have never been married. 2.3% are widowed. The average size of resident families is 3.16.

4.8% report being Hispanic

76.8% of residents in ZIP 55378 report their race as White. 8.6% report their race as Black or African American. 8.4% 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. 1.7% report their race as Some other race. 4.4% report their race as Two or more races. 4.8% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

43% have a Science and Engineering degree

3.8% of residents in ZIP 55378 have less than a high school education. 15.7% have a high school diploma but no more. 29.6% of residents have some college but no more. 34.3% have a bachelor's degree (or equivalent) but no more. 16.7% have a graduate degree. 43% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

Median household income: 115456
71.6% have two income earners
57.2% of households earn $100,000+

Median household income in ZIP 55378 is $115456 with 71.6% of families having two income earners. 57.2% of households earn at least $100,000. 0.8% of households have an income under $5,000, 0.8% from $5,000-$10,000, 1.2% from $10,000-$15,000, 0.8% from $15,000-$20,000, 0.9% from $20,000-$25,000, 3.4% from $25,000-$35,000, 8.3% from $35,000-$50,000, 14.6% from $50,000-$75,000, 12.1% from $75,000-$100,000, 24.9% from $100,000-$150,000 and 32.3% over $150,000. The median income of individuals is $50528.