In 2020, the Mexican population reached 35.9 million, 58% of the nation’s overall Hispanic population, down from 63% in 2010. The Mexican population was three times larger than the Caribbean Hispanic population, the largest regional group at 16.2% (Figure 1). The Caribbean Hispanic regional group includes the Cuban, Puerto Rican, Dominican and Other Caribbean Hispanic responses populations.

Of all detailed Hispanic groups, the Venezuelan population grew the fastest, increasing 181.5% from 2010 to 2020.

The Honduran population was the fastest growing Central American group (67.6%) and the Dominican population grew the fastest (55.2%) among Caribbean Hispanic groups.

While the Mexican population was the largest detailed Hispanic group and grew the most during the decade, it experienced the slowest growth (12.7%).

The interactive data visualization provides the largest detailed Hispanic or Latino group by state:

• The Mexican population was the largest detailed Hispanic group in 40 states.
  
  
• In seven states (Connecticut, Hawaii, Massachusetts, New Jersey, Pennsylvania, New Hampshire and New York) the Puerto Rican population was the largest detailed Hispanic group.
  
  
• In Maryland and Washington, D.C. (a state equivalent), the Salvadoran population was the largest detailed Hispanic group. In Maryland, the Salvadoran population comprised over a quarter of the Hispanic population at 27.9%.
  
  
• In Florida, the Cuban population was the largest detailed Hispanic group, comprising over a quarter (25.5%) of the state’s Hispanic population.
  
  
• In Rhode Island, the Dominican population was the largest detailed Hispanic group, comprising nearly 30% of the state’s Hispanic population.

To compare these results to the 2010 Census, refer to Figure 4 in The Hispanic Population: 2010 brief.

Meanwhile, Table 2 provides the three states with the largest numeric populations for the detailed Hispanic or Latino groups with a population size of one million or more:

• California contained the largest Mexican (12.2 million), Salvadoran (731,697) and Guatemalan (454,917) populations.
  
  
• Florida was home to the largest Cuban (1.5 million), Puerto Rican (1.2 million) and Colombian (403,567) populations.
  
  
• New York had the largest Dominican population (867,304).
  
  
• Texas had the largest Honduran population (168,578).

To compare these results to the 2010 Census, refer to Table 4 in The Hispanic Population: 2010 brief.

The Mexican population was the largest detailed Hispanic group in 9 out of 10 U.S. counties, with the largest presence in Los Angeles County (3,416,852) where it represented more than 70% of the Hispanic population (Table 3).

Los Angeles County was also home to the largest populations of the following detailed Hispanic groups: Costa Rican, Guatemalan, Salvadoran, Other Central American, Spaniard and Spanish.

Nearly 50% of the Hispanic population in Miami-Dade County, Florida, identified as Cuban. This county was also home to the largest populations of the following groups: Nicaraguan, Argentinean, Chilean, Colombian, Peruvian, Uruguayan, and Venezuelan.

The five counties comprising New York City were home to the largest Panamanian, Ecuadorian, Paraguayan, Other South American, Dominican, Puerto Rican and Other Caribbean Hispanic populations.

The largest Bolivian, Honduran and Spanish American populations were located in Fairfax County, Virginia; Harris County, Texas; and Bernalillo County, New Mexico, respectively.