Center for Labor Education & Research
University of Hawai‘i - West O‘ahu

91-1000 Farrington Highway, Kapolei, HI 96707
(808) 689-2760 - FAX (808) 689-2761
E-Mail: clear@hawaii.edu;

Union Density in the U.S.: 2010

          Union Members     Represented by Unions  
State total K percent total K percent
New York 1,959 24.2 2,099 26.0
Alaska 68 22.9 73 24.8
Hawai'i 111 21.8 120 23.5
Washington 552 19.4 605 21.3
California 2,431 17.5 2,578 18.6
New Jersey 637 17.1 669 17.7
Connecticut 258 16.7 270 17.4
Michigan 627 16.5 659 17.3
Rhode Island 75 16.4 79 17.4
Oregon 245 16.2 268 17.7
Minnesota 385 15.6 397 16.1
Illinois 844 15.5 891 16.4
Nevada* 151 15.0 170 16.8
West Virginia 100 14.8 111 16.5
Pennsylvania 770 14.7 831 15.9
Massachusetts 415 14.5 446 15.6
Wisconsin 355 14.2 380 15.1
Ohio 655 13.7 702 14.7
Montana 46 12.7 52 14.4
U.S. Average   14,716    11.9   16,291    13.1
Vermont 34 11.8 40 13.6
Maine 63 11.6 71 13.0
Maryland 296 11.6 329 12.9
Delaware 40 11.4 44 12.5
Iowa* 158 11.4 192 13.8
Indiana 279 10.9 313 12.2
New Hampshire 63 10.2 73 11.7
Alabama* 183 10.1 203 11.2
Missouri 244 9.9 274 11.1
Nebraska* 75 9.3 96 11.8
District of Columbia 26 9.0 30 10.5
Kentucky 147 8.9 166 10.1
North Dakota* 23 7.4 28 9.1
Wyoming* 18 7.4 21 8.4
New Mexico 55 7.3 72 9.7
Idaho* 42 7.1 50 8.6
Kansas* 84 6.8 111 9.1
Colorado 140 6.6 171 8.0
Utah* 75 6.5 96 8.4
Arizona* 161 6.4 203 8.1
Florida* 392 5.6 488 6.9
South Dakota* 20 5.6 24 6.6
Oklahoma* 77 5.5 99 6.9
Texas* 545 5.4 677 6.7
Tennessee* 115 4.7 142 5.8
South Carolina* 80 4.6 107 6.2
Virginia* 161 4.6 196 5.7
Mississippi* 46 4.5 58 5.6
Louisiana* 76 4.3 96 5.5
Arkansas* 44 4.0 59 5.4
Georgia* 153 4.0 191 5.0
North Carolina* 117 3.2 180 4.9

* Right-to-Work States

  Previous year estimates as posted:  


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