Whitman County, Washington has 87 churches in the Churches List directory, 0 of them verified and 22 with a published website. The 2020 US Religion Census counted 76 congregations and 14,802 adherents across 30 religious bodies in the county. That is 309 adherents per 1,000 residents of its 47,970 people.
| Religious body | Congregations | Adherents | Per 1,000 pop. |
|---|---|---|---|
| Non-denominational Christian Churches | 5 | 4,440 | 92.6 |
| Catholic Church | 10 | 3,081 | 64.2 |
| Church of Jesus Christ of Latter-day Saints | 5 | 2,625 | 54.7 |
| Southern Baptist Convention | 11 | 907 | 18.9 |
| United Methodist Church | 5 | 448 | 9.3 |
| Evangelical Lutheran Church in America | 3 | 416 | 8.7 |
| Assemblies of God | 5 | 384 | 8.0 |
| American Baptist Churches in the USA | 3 | 358 | 7.5 |
| United Church of Christ | 3 | 251 | 5.2 |
| Episcopal Church | 1 | 221 | 4.6 |
| Presbyterian Church (U.S.A.) | 2 | 213 | 4.4 |
| Seventh-day Adventist Church | 3 | 205 | 4.3 |
Source: 2020 US Religion Census (Association of Statisticians of American Religious Bodies). Per-1,000 rates divide reported adherents by the county's 2020 Census population (47,970). Largest 12 bodies by adherents shown.
Directory traditions here: Catholic (14) · Non-Denominational (11) · Methodist (6) · Baptist Churches (6) · Lutheran (6) · Church of the Nazarene (6) · Community (4) · Seventh Day Adventist (4) · United Methodist (4) · Bible (4)
Directory listings are mapped to Whitman County through the US Census Bureau's 2020 ZCTA-to-county relationship file: each ZIP Code Tabulation Area is assigned to the county holding the largest share of its land area, so a small number of churches in ZIP codes that straddle county lines may be attributed to a neighboring county. Congregation and adherent counts come from the 2020 US Religion Census and are reported by the religious bodies themselves. Population is the county's April 2020 decennial-census base from the US Census Bureau's population-estimates program; per-1,000 adherence rates divide reported adherents by that figure. Corrections to any listing go through the corrections page.