In 1990, the population of Washington, D.C., was 697,000, with the following racial composition: 65.8 percent black, 32.2 percent white, and 1.8 percent Asian/Pacific Islander, with other groups accounting for percentages of less than one percent. Hispanics (an ethnic rather than a racial designation) accounted for 5.4 percent of the population. The 1994 population estimate was 567,000. The population of the Washington, D.C., Primary Metropolitan Statistical Area was estimated at 4,603,030 as of 1997. The region's racial composition was listed by the U.S. Census Bureau in 1996 as 68.1 percent white, 25.4 percent black, and 6.2 percent Asian/Pacific Islander. Hispanics accounted for 6.8 percent of the metropolitan area population.