Northern States League was an Independent League that was based in Wisconsin.
1934 Unknown teams
1935 Unknown teams
1936 Green Bay, Kaukauna, Manitowoc Menasha, Neenah and Two Rivers
1937 Du Pere, Kimberly, Little Chute and Oshkosh enter the league and Menasha and Neenah left the league
1938 Clintonville, New London and Seymour enter the league and Du Pere, Little Chute and Oshkosh left the league
1939 Kaukauna and Kimberly left the League
1946 Algoma, Clintonville, Manitowoc, New Holstein, Oshkosh, Reedsville, Sturgeon Bay, Two Rivers
1947 Ocotno enter the League and Oshkosh has left the league
1948 Marinette and Menominne (MI) enter the league
1949 Reedsville has left the league
1950 No Teams enter or left the league
1951 New Holstein has left the league
1952 No Teams enter or left the league
1953 No Teams enter or left the league