Immigration Reality: U.S. Hispanic Country of Origin Counts for Nation, Top 30 Metropolitan Areas

Here are the facts from the 2010 census. Mexicans are, by far, the largest Hispanic group in the U.S.. At 31.8 million, they number nearly seven times more than the second largest group, Puerto Ricans, at 4.6 million.

U.S. Hispanic Country of Origin Counts for Nation, Top 30 Metropolitan Areas - Pew Hispanic Center: "Despite their No. 1 status, Mexicans are not the dominant Hispanic origin group in many of the nation's metropolitan areas. Among the Miami metropolitan area's 1.5 million Hispanics, half are Cuban. In the New York-Northeastern New Jersey metropolitan area, 29.4% of Hispanics are of Puerto Rican origin and 19.7% are of Dominican origin. In the Washington, DC metropolitan area, Salvadorans are the largest group, comprising one-third of the area's Hispanics.

However, in many metropolitan areas, Mexican origin Hispanics are by far the dominant group among Hispanics. In Chicago, nearly eight-in-ten (79.2%) of the area's Hispanics are of Mexican origin. In the San Antonio, TX metropolitan area, Mexicans make up 91.3% of all Hispanics. And in Atlanta, GA, nearly six-in-ten (58.1%) Hispanics are of Mexican origin."