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

Columbia River Washington 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 Columbia River Washington Temple District listed in order of creation.
The Columbia River Washington Temple serves members from 11 stakes based in Eastern Oregon and Eastern Washington:

Richland Washington StakeJune 25, 1950
Moses Lake Washington StakeApril 18, 1954
Yakima Washington StakeMay 24, 1959
Pasco Washington StakeMay 21, 1967
Kennewick Washington StakeOctober 24, 1976
Walla Walla Washington StakeMarch 11, 1979
Selah Washington StakeApril 29, 1979
Othello Washington StakeAugust 12, 1979
Ephrata Washington StakeJune 15, 1980
Hermiston Oregon StakeOctober 26, 1980
Kennewick Washington East StakeOctober 31, 1982
Columbia River Washington TempleDedicated November 18, 2001