 The population was 31.4% non-Hispanic white, 19.5% non-Hispanic black, 1.1% Native American, 7.0% Asian, 0.1% Pacific Islander.As of 2013, 37% of non-Hispanic Whites in Harris County had college or postgraduate degrees and 36% of them had annual incomes over $75,000.As of 2013, 19% of Blacks in Harris County had college or postgraduate degrees.