1) Which U.S. county has the greatest percentage of African-Americans?

a) Douglas County, Ore.

b) Macon County, Ala.

c) Cook County, Ill.

Counties ranked by black population, July 1, 1999, and rankings restricted to 2,128 counties with a black population of at least 100 in 1999.

2) Which U.S. county has the greatest percentage of Hispanics?

a) Los Angeles County, Calif.

b) Greenup County, Ky.

c) Starr County, Texas

Counties ranked by Hispanic population, July 1, 1999, and rankings restricted to 2,440 counties with a Hispanic population of at least 100 in 1999.

3) Which U.S. county has the greatest percentage of Asians and Pacific Islanders?

a) Darlington County, S.C.

b) Honolulu County, Hawaii

c) Los Angeles County, Calif.

Counties ranked by Asian and Pacific Islander population, July 1, 1999, and rankings restricted to 1,536 counties with an Asian and Pacific Islander population of at least 100 in 1999.

4) Which U.S. county has the greatest percentage of American Indians and Alaskan Natives?

a) Luzerne County, Pa.

b) Los Angeles County, Calif.

c) Shannon County, S.D.

Counties ranked by American Indian and Alaska Native population, July 1, 1999, and rankings restricted to 1,498 counties with American Indian population of at least 100 in 1999. In this table, American Indian includes Eskimo and Aleut.

5) Which U.S. county has the greatest percentage of whites?

a) Loving County, Texas

b) Shannon County, S.D.

c) Los Angeles County, Calif.

Counties ranked by white population, July 1, 1999, and rankings restricted to 3,140 counties with a white population of at least 100 in 1999.

6) Which state had the highest average annual income during 1998-99?

a) Alaska

b) Maryland

c) West Virginia

Answers:1) b, 86.7%; Douglas County, Ore., has the lowest percentage of African Americans, 0.2%; Cook County, Ill., has the greatest number of African Americans of any U.S. city, 1,395,700.

2) c, 97.9%; Greenup County, Ky., has the lowest percentage of Hispanics, 0.3%; Los Angeles County, Calif., has the greatest number of Hispanics of any U.S. city, 4,141,317.

3) b, 65%; Los Angeles County, Calif., has the greatest number of Asians and Pacific Islanders of any U.S. city, 1,253,291; Darlington County, S.C. has the lowest percentage of Asians and Pacific Islanders, 0.2%.

4) c, 94.6%; Luzerne County, Pa., has the lowest percentage of American Indians and Alaskan Natives, 0.1%; Los Angeles County, Calif., has the greatest number of American Indians and Alaskan Natives, 56,703.

5) a, 100%; Shannon County, S.D., has the lowest percentage of whites, 5%; Los Angeles County, Calif., has the greatest number of whites, 6,975,309.

6) b, $51,715; Alaska had the second-highest average annual income during 1998-99, $51,660; West Virginia had the lowest, $28,363.

Sources: Population Estimates Program, Population Division, U.S. Census Bureau (1-5); U.S. Census Bureau, Current Population Survey, March 1998, 1999, 2000 (6)