Suffolk County, New York has 771 churches in the Churches List directory, 10 of them verified and 295 with a published website. The 2020 US Religion Census counted 726 congregations and 1,024,619 adherents across 87 religious bodies in the county. That is 671 adherents per 1,000 residents of its 1,525,894 people.
| Religious body | Congregations | Adherents | Per 1,000 pop. |
|---|---|---|---|
| Catholic Church | 72 | 837,694 | 549.0 |
| Muslim Estimate | 14 | 28,542 | 18.7 |
| Non-denominational Christian Churches | 73 | 21,264 | 13.9 |
| Evangelical Lutheran Church in America | 24 | 15,575 | 10.2 |
| United Methodist Church | 43 | 13,787 | 9.0 |
| Jehovah's Witnesses | 56 | 12,096 | 7.9 |
| Lutheran Church--Missouri Synod | 15 | 10,004 | 6.6 |
| Episcopal Church | 41 | 8,711 | 5.7 |
| Reform Judaism | 7 | 6,834 | 4.5 |
| Assemblies of God | 36 | 6,448 | 4.2 |
| Presbyterian Church (U.S.A.) | 34 | 6,013 | 3.9 |
| Greek Orthodox Archdiocese of America | 6 | 5,900 | 3.9 |
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 (1,525,894). Largest 12 bodies by adherents shown.
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We know what life is like: Sometimes it's great, sometimes it's a drag. Sometimes you're strong and successful, and sometimes you feel like disappearing. What's cool is that God un...
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Covenant Christian Fellowship is a reformed, covenantal church. We are family-friendly, sing psalms and hymns and have a traditional worship service.
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Every Sunday: 11:30am Worship Service Christian, Youth Ministry,Missionary,Healing Services, Evangelistic. Pastor Cooper is current President of the Riverhead Clergy Council. Consi...
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"Currently meeting Remotely and in Small Group Format Non-Denominational Spirit Filled (Pentecostal) Church A Weathered and Experienced Group of Believers that Rely on the Father,...
Directory traditions here: Catholic (133) · Non-Denominational (102) · Baptist Churches (72) · Episcopal (58) · Methodist (47) · Lutheran (45) · Evangelical (27) · Church of God (26) · United Methodist (25) · Presbyterian (24)
Directory listings are mapped to Suffolk 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.