In 1980, the U.S. population of 226.5 million included 14.6 million Hispanics. Fully 68% of the Hispanic population was concentrated in the 47 counties (out of more than 3,100) that had at least 50,000 Hispanic residents. The map below shows where Hispanics lived in the United States in 1980 and provides detailed information on the 10 counties with the largest Hispanic populations.