Latino vote
A study by the Center for Immigration Studies projected that in November 2012 Hispanics would comprise 17.2 percent of the total U.S. population, 15 percent of adults, 11.2 percent of adult citizens, and 8.9 percent of actual voters. By comparison, the report found that in 2012, non-Hispanic whites are expected to be 73.4 percent of the national vote and non-Hispanic blacks are expected to be 12.2 percent. The report noted that by weight "eight percentage points of the Hispanic vote nationally equals slightly less than one percentage point of the non-Hispanic white vote." The study also found that the 8.9 percent Hispanic share of voters compares to veterans (12 percent of the electorate), those with family incomes above $100,000 (18 percent), seniors 65 and older (19 percent), married persons (60 percent), and those who live in owner-occupied housing (80 percent).
Demographics of the 110th United States Congress
Representation of Hispanics is somewhat complex, particularly because of the different ways to define membership in this group. Hispanics represent over 14% of the U.S. population, while the Senate is 3% Hispanic and the House is approximately 5% (25 members) Hispanic. Considering that Hispanics make up only 4% of American voters, Hispanic political incorporation has been relatively high compared with previous immigrant groups. The Congressional Hispanic Caucus  has 21 members. Joseph Marion Hernández, a Spanish American, was the first Hispanic in Congress. He was a Whig Party territorial representative for Florida in 1822. The first to represent a state was Romualdo Pacheco, who represented California in 1877. In 1929, Octaviano Ambrosio Larrazolo became the first Hispanic to be elected to the United States Senate. Ileana Ros-Lehtinen, a Cuban American first elected in 1989, was the first Hispanic woman in Congress. While Hispanic women have served in House, none have been elected to the Senate.