Manassas city, Virginia has 74 churches in the Churches List directory, 2 of them verified and 21 with a published website. The 2020 US Religion Census counted 36 congregations and 36,887 adherents across 21 religious bodies in the county. That is 862 adherents per 1,000 residents of its 42,773 people.
| Religious body | Congregations | Adherents | Per 1,000 pop. |
|---|---|---|---|
| Catholic Church | 1 | 22,211 | 519.3 |
| United Methodist Church | 2 | 3,755 | 87.8 |
| Non-denominational Christian Churches | 6 | 2,288 | 53.5 |
| Jehovah's Witnesses | 6 | 1,642 | 38.4 |
| American Baptist Churches in the USA | 1 | 1,459 | 34.1 |
| Muslim Estimate | 1 | 1,325 | 31.0 |
| Episcopal Church | 1 | 1,159 | 27.1 |
| Evangelical Lutheran Church in America | 1 | 646 | 15.1 |
| Church of the Brethren | 1 | 493 | 11.5 |
| Church of Jesus Christ of Latter-day Saints | 1 | 492 | 11.5 |
| Church of God (Cleveland, Tennessee) | 1 | 399 | 9.3 |
| Unitarian Universalist Association of Congregations | 1 | 339 | 7.9 |
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 (42,773). Largest 12 bodies by adherents shown.
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Directory traditions here: Baptist Churches (20) · Church of God (5) · Non-Denominational (5) · Catholic (5) · Lutheran (4) · United Methodist (4) · Brethren (3) · Full Gospel (3) · Pentecostal (3) · Methodist (2)
Directory listings are mapped to Manassas city 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.