The Spanish language TV broadcasting network Univision created this video to sell advertising. I think it presents some simple demographic realities engagingly.
Where I live in California, the more usual term for this growing segment of the population is "Latino," both among people whose language-heritage is Spanish and in the media. But the federal government adopted "Hispanic" for the complicated ethnic/racial group they seek to count through the census. It seems more commonly used in the east and may eventually predominate.
The Mexican-American woman who helped the feds choose the "Hispanic" ethnic designation explains the choice in this article: