By Eduardo Rojas / e.rojas@latinospost.com (staff@latinospost.com) | First Posted: Jun 28, 2012 04:09 PM EDT

Out of the 50.7 million Hispanics living in the U.S., 33 million or 65 percent are of Mexican origin.

A recent report published by the Pew Hispanic Center of the Pew Research Center finds that Mexico-originated U.S. Hispanics still represent the largest Hispanic group in the U.S. by origin. The second largest group are Puerto Rico Hispanics, with 4.6 million of them in the U.S. alone.

These two groups along with Cuban, Salvadoran, Dominican, Guatemalan, Colombian, Honduran, Ecuadorian, and Peruvian-originated Hispanics make up 92% of all the U.S. Hispanic population.

The largest concentrations of each Hispanic group are found in counties known for their large Hispanic populations.

The largest concentration of Mexicans is found in the Los Angeles County which houses 11 percent or 3.5 million people of the group's total U.S. population. Salvadorians, Guatemalans also have the biggest share of their U.S. population in the same county. There are 360,000 Salvadorians and 215,000 Guatemalans in L.A..

L.A.'s general population including the metropolitan area is roughly at 12.8 million.

Puerto Ricans are generally found in Bronx County, NY. Some 300,000 Puerto Ricans live there and represent 7 percent of the U.S. Puerto Rican population.

Miami-Dade County in Florida is the hub for Cubans. With 856,000 Cubans residing there, it is by far the largest concentration of Cubans in the nation representing 48 percent of the total group.

The report also found that among the various Hispanic origin groups Ecuadorians in general have the highest household income.

Ecuadorians have a median household income of $50,000 per year while Colombians, who rank second, make $49,500 a year.

Mexicans rank 7th in general and make $38,700 on average.

The Hispanic group that makes the least amount of money are the Dominicans, 10th, who make $34,000 yearly.

For more detailed information, visit the Pew Hispanic Center.

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