Mormon members belong to stakes, districts, and branches in a temple district, like the Billings Montana Temple Temple District, which grows as members join the Church

Billings Montana Temple

Temple District Chronological

Congregations are organized into stakes, districts, and branches, which belong to a temple district. Following are the stakes belonging to the Billings Montana Temple District listed in order of creation.
The Billings Montana Temple serves members from 11 stakes based in Montana and Wyoming:

Lovell Wyoming StakeMay 26, 1901
Butte Montana StakeJune 28, 1953
Casper Wyoming StakeOctober 14, 1962
Billings Montana StakeFebruary 10, 1963
Helena Montana StakeSeptember 8, 1968
Cody Wyoming StakeJanuary 7, 1973
Billings Montana East StakeJune 12, 1977
Bozeman Montana StakeSeptember 16, 1979
Gillette Wyoming StakeJune 29, 1980
Worland Wyoming StakeOctober 12, 1980
Glendive Montana StakeMay 4, 1997
Billings Montana TempleDedicated November 20, 1999