The Riverside-San Bernardino-Ontario area in Southern California posted the highest jobless rate among large metropolitan areas with populations of 1 million or more in March with a rate of 10.5 percent, according to data released today from the U.S. Bureau of Labor Statistics.

The Oklahoma City area again posted the lowest jobless rate among all large metropolitan areas at 4.6 percent, down from 4.9 percent in February.

Among areas of all sizes, the Yuma, Ariz., and El Centro, Calif., areas recorded the highest unemployment rates in March at 26.0 percent and 23.7 percent, respectively. Midland, Texas, again registered the lowest unemployment rate in March among all U.S. metropolitan areas at 3.1 percent.