Residential segregation among Spanish Americans, whites and blacks is measured in the 29 largest U.S. urbanized areas. Results show that Spanish Americans are much less segregated from whites than are blacks and are less concentrated within central cities. Spanish-white segregation also tends to be much lower in suburbs than in central cities, while black-white segregation is maintained at a high level in both areas. Segregation of Spanish Americans from whites is found to decline with generations spent in the United States. Finally, the relative proportion of Spanish who live in a central city and the relative number of Spanish who are foreign stock, are both highly related, across urbanized areas, to variations in the level of Spanish-white segregation.