Robert C. Markstein

52.3% are female
47.7% are male

47.7% of residents in ZIP 91423 are male and 52.3% are female. 41.9% of residents are married and 12% are divorced. 43.2% have never been married. 2.8% are widowed. The average size of resident families is 2.85.

13.3% report being Hispanic

76.8% of residents in ZIP 91423 report their race as White. 4% report their race as Black or African American. 6.2% report their race as Asian. 0.1% report their race as American Indian and Alaska Native. 0% report their race as Native Hawaiian and Other Pacific Islander. 2.4% report their race as Some other race. 10.6% report their race as Two or more races. 13.3% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

33.3% have a Science and Engineering degree

2.5% of residents in ZIP 91423 have less than a high school education. 9.1% have a high school diploma but no more. 26% of residents have some college but no more. 40% have a bachelor's degree (or equivalent) but no more. 22.3% have a graduate degree. 33.3% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

Median household income: 97727
59.1% have two income earners
48.4% of households earn $100,000+

Median household income in ZIP 91423 is $97727 with 59.1% of families having two income earners. 48.4% of households earn at least $100,000. 3.4% of households have an income under $5,000, 0.8% from $5,000-$10,000, 1.5% from $10,000-$15,000, 3.2% from $15,000-$20,000, 2.9% from $20,000-$25,000, 5.5% from $25,000-$35,000, 7.4% from $35,000-$50,000, 13.6% from $50,000-$75,000, 13.3% from $75,000-$100,000, 16.6% from $100,000-$150,000 and 31.8% over $150,000. The median income of individuals is $54919.