In 2000, the estimated number of American Indians was 45,211, with most of the population living in urban areas. About 55,662 blacks were estimated to live in Oregon in 2000, up from 46,000 in 1990. Most blacks live in the Portland area. In 2000, Hispanics and Latinos numbered about 275,314, or 8% of the state total population, up from 113,000 in 1990. In the same year Asians numbered 101,350. There were 20,930 Chinese, 12,131 Japanese, 12,387 Koreans, 10,627 Filipinos, 18,890 Vietnamese (up from 8,130 in 1990), 9,575 Asian Indians (more than triple the 1990 population of 2,726), and 4,392 Laotians. Pacific Islanders numbered 7,976.

In all, the 2000 census counted some 289,702 Oregonians of foreign birth, accounting for 8.5% of the population (up from 139,307, or 4.9%, in 1990).