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Bureau of Labor Statistics > Geographic Information > Midwest > Table

Midwest Economy – Union Membership

Union membership of employed wage and salary workers in Midwest states, annual averages, 2024-25 (numbers in thousands)
Year 2024 2025(1)
Members of unions (2) Percent of
employed		 Members of unions (2) Percent of
employed

United States

 14,255 9.9 14,665 10.0

Illinois

 734 13.1 758 13.1

Indiana

 271 9.0 260 8.3

Iowa

 93 6.4 101 6.8

Michigan

 581 13.4 566 13.0

Minnesota

 379 14.2 386 14.1

Nebraska

 62 6.8 64 6.6

North Dakota

 18 5.0 23 6.0

Ohio

 621 12.1 605 11.6

South Dakota

 12 2.7 10 2.3

Wisconsin

 180 6.4 173 6.4

Footnotes:
(1) 2025 annual estimates are 11-month averages that exclude October. Data for October 2025 were not collected due to the federal government shutdown.
(2) Data refer to members of a labor union or an employee association similar to a union.

Source: Current Population Survey
The current population survey is a monthly survey of households conducted by the Bureau of the Census for the Bureau of Labor Statistics.
Union representation of employed wage and salary workers in Midwest states, annual averages, 2024-25 (numbers in thousands)
Year 2024 2025(1)
Represented (2) Percent of
employed		 Represented (2) Percent of
employed

United States

 16,023 11.1 16,486 11.2

Illinois

 798 14.2 812 14.0

Indiana

 313 10.4 301 9.6

Iowa

 119 8.3 122 8.2

Michigan

 639 14.7 620 14.2

Minnesota

 394 14.8 431 15.8

Nebraska

 74 8.1 82 8.5

North Dakota

 23 6.3 28 7.4

Ohio

 685 13.3 666 12.8

South Dakota

 16 3.7 13 3.1

Wisconsin

 196 6.9 202 7.5

Footnotes:
(1) 2025 annual estimates are 11-month averages that exclude October. Data for October 2025 were not collected due to the federal government shutdown.
(2) Data refer to both union members and workers who report no union affiliation but whose jobs are covered by a union or an employee association contract.

Source: Current Population Survey
The current population survey is a monthly survey of households conducted by the Bureau of the Census for the Bureau of Labor Statistics.