Percent of labor force unemployed, United States and selected States, December 2008 Percent Wyoming 3.4 North Dakota 3.5 South Dakota 3.9 Nebraska 4.0 Utah 4.3 Iowa 4.6 New Hampshire 4.6 New Mexico 4.9 Oklahoma 4.9 West Virginia 4.9 United States 7.2 Oregon 9.0 Nevada 9.1 California 9.3 South Carolina 9.5 Rhode Island 10.0 Michigan 10.6