The Riverside-San Bernardino-Ontario area in Southern California and the Detroit-Warren-Livonia area in Michigan posted the highest unemployment rates in October — each at 8.1 percent — among all large metropolitan areas with populations of 1 million or more, the US Bureau of Labor Statistics reported today.

The lowest jobless rate among large metropolitan areas in October was found in the Minneapolis-St. Paul/ Bloomington, Wis., area at 3.2 percent.

Among metropolitan areas of all sizes, Yuma, Ariz., posted the highest jobless rate in October at 24.7 percent, followed by El Centro, Calif., at 23.7 percent. Bismarck, N.D., posted the lowest jobless rate among metropolitan areas of all sizes at 2.0 percent