Excerpt from https://www.census.gov/topics/population/hispanic-origin/about.html below:

"U.S. federal government agencies must adhere to standards issued by the Office of Management and Budget (OMB), which specify that race and Hispanic origin (also known as ethnicity) are two separate and distinct concepts. These standards generally reflect a social definition of race and ethnicity recognized in this country, and they do not conform to any biological, anthropological, or genetic criteria. The standards include two minimum categories for data on ethnicity: "Hispanic or Latino" and "Not Hispanic or Latino." Persons who report themselves as Hispanic can be of any race and are identified as such in our data tables. The following sources provide population data on Hispanic origin and race:

Population estimates by age, sex, race, and Hispanic origin are produced annually for the nation, states, and counties. Historical data are also provided in the Archive Files. Population projections out to 2060 are provided by race and Hispanic origin for the nation. The Current Population Survey (CPS) provides national-level data on the social, economic, and demographic characteristics of selected race groups, both current and past. Tables on the Hispanic population in the United States are also available, both current and past. The American Community Survey (ACS) provides sample data from the 1-year, 3-year, and 5-year estimates based on population size. Selected Population Profiles enable you to select characteristics by Race or Ethnic Groups (Mexican, Puerto Rican, Cuban, etc.) and by Country of Birth. The 2010 Census brief Overview of Race and Hispanic Origin describes these concepts and also provides information on how the race categories used in the 2010 Census were defined."