St. Louis: chart of racial breakdown of population (2015-1940)

As of 2010, 91.05% (270,934) of St. Louis city residents age 5 and older spoke English at home as a primary language, while 2.86% (8,516) spoke Spanish, 0.91% (2,713) Bosnian, 0.74% (2,200) Vietnamese, 0.50% (1,495) African languages, 0.50% (1,481) Chinese, and French was spoken as a main language by 0.45% (1,341) of the population over the age of five. In total, 8.95% (26,628) of St. Louis's population age 5 and older spoke a mother language other than English.

Reference 1: White, —Non-Hispanic, Black, Hispanic or Latino (of any race) and Asian.

Reference 2: 2015 (est.)[49], 2010[50], 2000[51], 1990[42], 1970[42] and 1940[42].

Source: http://en.wikipedia.org/wiki/St_Louis,_Missouri