The percent of all persons of each race or ethnicity under the age of 18 within a state or county. Children of Hispanic origin may be of any race. Hispanic origin is considered a separate ethnic category and includes children of different racial backgrounds.
Puzzanchera, C., Sladky, A. and Kang, W. (2016). "Easy Access to Juvenile Populations: 1990-2015." Online. Available: http://www.ojjdp.gov/ojstatbb/ezapop/
National Center for Health Statistics (2016). Vintage 2015 postcensal estimates of the resident population of the United States (April 1, 2010, July 1, 2010-July 1, 2015), by year, county, single-year of age (0, 1, 2, .., 85 years and over), bridged race, Hispanic origin, and sex. Prepared under a collaborative arrangement with the U.S. Census Bureau. Available online from http://www.cdc.gov/nchs/nvss/bridged_race.htm as of June 24, 2015, following release by the U.S. Census Bureau of the unbridged Vintage 2015 postcensal estimates by 5-year age group on June 23, 2015. [Retrieved 7/8/2016]