Glance of union membership rates by state

State

2011 Union membership rate

2012 Union membership rate

Alabama

10

9.2

Alaska

22.1

22.4

Arizona

6

5.1

Arkansas

4.2

3.2

California

17.1

17.2

Colorado

8.2

7.8

Connecticut

16.8

14

Delaware

10.5

10.4

District of Columbia

8.3

8.6

Florida

6.3

5.8

Georgia

3.9

4.4

Hawaii

21.5

21.6

Idaho

5.1

4.8

Illinois

16.2

14.6

Indiana

11.3

9.1

Iowa

11.2

10.4

Kansas

7.6

6.8

Kentucky

8.9

10

Louisiana

4.5

6.2

Maine

11.3

11.5

Maryland

12.4

10.6

Massachusetts

14.6

14.4

Michigan

17.5

16.6

Minnesota

15.1

14.2

Mississippi

5

4.3

Missouri

10.9

8.9

Montana

13

13.9

Nebraska

7.9

6

Nevada

14.6

14.7

New Hampshire

11.1

10.5

New Jersey

16.1

16.1

New Mexico

6.8

6.5

New York

24.1

23.2

North Carolina

2.9

2.9

North Dakota

6.3

6.1

Ohio

13.4

12.6

Oklahoma

6.4

7.5

Oregon

17.1

15.7

Pennsylvania

14.6

13.5

Rhode Island

17.4

17.8

South Carolina

3.4

3.3

South Dakota

5.1

5.6

Tennessee

4.6

4.8

Texas

5.2

5.7

Utah

5.8

5.2

Vermont

12

10.7

Virginia

4.6

4.4

Washington

19

18.5

West Virginia

13.8

12.1

Wisconsin

13.3

11.2

Wyoming

7.2

6.7