seventy - seven per cent of 20 to 34-year - olds in attendance do n't speak English at home . Proportion of foreign - born residents has actually decreased in the city . More than half of Millennials speak non - English language in Miami , San ##ado . Immigrant children and adults have knowledge of family 's language .
Fifty-seven per cent of 18 to 34-year-olds in LA do n't speak English at home . Proportion of foreign-born residents has actually decreased in the city . More than half of Millennials speak non-English language in Miami , San Jose . Immigrant children and grandchildren keep knowledge of family 's language .