In New York City and Houston, the figure is 49 percent. In Los Angeles, it is 59 percent, it is 36 percent in Chicago and 38 percent in Phoenix.
The highest percentage per city of anywhere in the country is in Hialeah, Florida, where 95 percent of the population do not speak English.
For the most part, the non-native English speakers are instead conversing in Spanish which is spoken by 40million of the 67million listed.
The next most popular languages are Chinese (3.5million), the Filipino language Tagalog (1.7million), Vietnamese (1.5million), Arabic (1.2million), French (1.2million) and Korean (1million).
Only 20 states across the country have a population of non-native English speakers that is lower than 10 percent.
The lowest is in West Virginia, where only 2 percent do not speak it at home.
The increase since 1980 is startling. Then, only 11 percent of the country (23million people) did not speak English at home.
Nevada has seen the sharpest increase over the last 37 years.
In 2010, the number was 718,000. Now, it is 875,000.
Washington DC saw the highest increase between 2010 and 2017 with a rise of 36 percent.
