Individual membership reached a high of 60,000 in 1991, but declined substantially since then.
By then the membership had reached approximately 600, out of whom 20% were women.
It is estimated that membership in the 1930s reached 30,000.
During the war, membership in the party reached a peak of 50,000.
By the families registering in the new Society, membership soon reached 37.
In 1840 the first church building opened and, by 1844, the membership had reached 120.
There membership reached 30% of the white adult male population.
By the end of the following year membership had reached 3000.
By 1956 membership had reached 5000 and there were 27 active sections.
In 1987 an executive director was hired by the association after its membership reached 2,000.