Adherents are members and their children and others who regularly attend services.
| Religious Body | Tradition | Congregations | Adherants |
|---|---|---|---|
| Catholic Church | Catholic | 274 | 3,542,994 |
| Non-denominational | Evangelical Protestant | 720 | 345,848 |
| Church of Jesus Christ of Latter-day Saints, The | Latter-day Saints | 226 | 150,569 |
| Southern Baptist Convention | Evangelical Protestant | 517 | 100,329 |
| Buddhism, Mahayana | Other | 126 | 70,397 |
| Assemblies of God | Evangelical Protestant | 269 | 69,317 |
| Muslim Estimate | Other | 59 | 69,080 |
| Foursquare Gospel, International Church of the | Evangelical Protestant | 234 | 54,646 |
| United Methodist Church, The | Mainline Protestant | 154 | 49,927 |
| American Baptist Churches in the USA | Mainline Protestant | 180 | 49,515 |
| Orthodox Judaism | Other | 150 | 44,400 |
| Seventh-day Adventist Church | Evangelical Protestant | 140 | 44,377 |
| African Methodist Episcopal Church | Black Protestant | 34 | 41,521 |
| Presbyterian Church (U.S.A.) | Mainline Protestant | 150 | 38,476 |
| Episcopal Church | Mainline Protestant | 83 | 38,108 |
Source: Assn. of Statisticians of American Religious Bodies and Los Angeles Almanac research.
