| Ethnic Origin | Population | Percent |
|---|---|---|
| Hispanic or Latino | 4,687,889 | 100.00% |
| Mexican | 3,510,677 | 74.89% |
| Puerto Rican | 44,609 | 0.95% |
| Cuban | 41,350 | 0.88% |
| Dominican Republic | 3,609 | 0.08% |
| Central American | 675,832 | 14.42% |
| Costa Rican | 9,365 | 0.20% |
| Guatemalan | 214,939 | 4.58% |
| Honduran | 42,901 | 0.92% |
| Nicaraguan | 37,205 | 0.79% |
| Panamanian | 5,402 | 0.12% |
| Salvadoran | 358,825 | 7.65% |
| Other Central American | 7,195 | 0.15% |
| South American | 118,776 | 2.53% |
| Argentinean | 19,540 | 0.42% |
| Bolivian | 4,857 | 0.10% |
| Chilean | 8,573 | 0.18% |
| Colombian | 25,272 | 0.54% |
| Ecuadorian | 19,588 | 0.42% |
| Paraguayan | 413 | 0.01% |
| Peruvian | 34,135 | 0.73% |
| Uruguayan | 1,628 | 0.03% |
| Venezuelan | 3,279 | 0.07% |
| Other South American | 1,491 | 0.03% |
| Other Hispanic or Latino | 293,036 | 6.25% |
| Spaniard | 30,356 | 0.65% |
| Spanish | 20,575 | 0.44% |
| Spanish American | 1,091 | 0.02% |
| All other Hispanic or Latino | 241,014 | 5.14% |
Source: U.S. Census Bureau
A late 19th Century editorial in the Los Angeles Times predicted that the "Mexican" population in Los Angeles would disappear by the early part of the 20th Century.
