The Riverside-San Bernardino-Ontario area in Southern California posted the highest unemployment rate in October, 9.8 percent, among all large metropolitan areas with populations of 1 million or more, the U.S. Bureau of Labor Statistics reported today.

The Minneapolis/St. Paul/Bloomington, Minn.-Wis., area posted the lowest jobless rate among large metropolitan areas at 4.1 percent.

Among metropolitan areas of all sizes, the Yuma, Ariz., area posted the highest jobless rate at 31.9 percent in October. El Centro, Calif., followed with an unemployment rate of 25.2 percent. Bismarck, N.D., posted the lowest unemployment rate at 1.7 percent.