Hispanic Heritage Month recognizes and celebrates the contributions Americans tracing their roots to Spain, Mexico, Central America, South America, and the Spanish-speaking nations of the Caribbean have made to U.S. society and culture. The observance was born in 1968, when Congress authorized the president to issue an annual proclamation designating National Hispanic Heritage Week. Two decades later, lawmakers expanded it to a monthlong celebration, stretching from September 15 to October 15.

The timing is key. Hispanic Heritage Month — like its shorter precursor — always starts on September 15, a historically significant day that marks the anniversary of independence of five Latin American countries: Costa Rica, El Salvador, Guatemala, Honduras, and Nicaragua. The designated period is also a nod to those from Mexico and Chile, which celebrate their independence September 16 and September 18, respectively.

The following facts are available thanks to the public’s invaluable participation in U.S. Census Bureau surveys. We appreciate the information shared by each respondent as we continuously count and measure America’s people, places and economy.