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

Portland Oregon 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 Portland Oregon Temple District listed in order of creation.
The Portland Oregon Temple serves members from 31 stakes based in Central Oregon, Southwest Washington, and Western Oregon:

Portland Oregon StakeJune 26, 1938
Portland Oregon East StakeDecember 2, 1951
Springfield Oregon StakeDecember 2, 1951
Salem Oregon StakeJanuary 22, 1961
Corvallis Oregon StakeNovember 3, 1963
Beaverton Oregon StakeNovember 10, 1963
Vancouver Washington StakeDecember 1, 1963
Bend Oregon StakeDecember 15, 1968
Oregon City StakeJanuary 16, 1972
Longview Washington StakeFebruary 4, 1973
Gresham Oregon StakeMay 26, 1974
Hillsboro Oregon StakeOctober 12, 1975
Keizer Oregon StakeFebruary 8, 1976
Eugene Oregon StakeSeptember 12, 1976
The Dalles Oregon StakeJune 26, 1977
Vancouver Washington West StakeNovember 5, 1978
Milwaukie Oregon StakeFebruary 11, 1979
Lebanon Oregon StakeFebruary 3, 1980
Monmouth Oregon StakeAugust 24, 1980
Redmond Oregon StakeMarch 1, 1981
McMinnville Oregon StakeOctober 25, 1981
Mount Hood Oregon StakeOctober 10, 1982
Cedar Mill Oregon StakeOctober 31, 1982
Eugene Oregon Santa Clara StakeApril 17, 1983
Lake Oswego Oregon StakeApril 29, 1984
Vancouver Washington North StakeNovember 3, 1985
Portland Oregon TempleDedicated August 19, 1989
Rainier Oregon StakeMarch 8, 1992
Tualatin Oregon StakeAugust 16, 1992
Beaverton Oregon West StakeNovember 12, 1995
Vancouver Washington East StakeMay 17, 1998
Forest Grove Oregon StakeApril 29, 2007