It reached 519,942 members in forty - six states in 1921 , but had declined to 31,789 in 32 states in 1978 and to 15,251 by 2011 .
The Improved Order of the Red Men grew in membership in the late 19th century .
Red Men reached 519,942 members in forty - six states in 1921 , but had declined to 31,789 in 32 states in 1978 and to 15,251 by 2011 .
The Improved Order of the Red Men grew in membership in the late 19th century .