Seneca County, Ohio has 117 churches in the Churches List directory, 2 of them verified and 23 with a published website. The 2020 US Religion Census counted 79 congregations and 24,675 adherents across 34 religious bodies in the county. That is 448 adherents per 1,000 residents of its 55,076 people.
| Religious body | Congregations | Adherents | Per 1,000 pop. |
|---|---|---|---|
| Catholic Church | 6 | 15,006 | 272.5 |
| United Methodist Church | 17 | 2,239 | 40.7 |
| United Church of Christ | 12 | 2,156 | 39.1 |
| Evangelical Lutheran Church in America | 4 | 975 | 17.7 |
| Non-denominational Christian Churches | 5 | 475 | 8.6 |
| Church of Jesus Christ of Latter-day Saints | 1 | 471 | 8.6 |
| African Methodist Episcopal Church | 1 | 400 | 7.3 |
| Jehovah's Witnesses | 2 | 338 | 6.1 |
| Christian Churches and Churches of Christ | 1 | 269 | 4.9 |
| American Baptist Churches in the USA | 1 | 263 | 4.8 |
| Assemblies of God | 2 | 247 | 4.5 |
| Presbyterian Church (U.S.A.) | 2 | 206 | 3.7 |
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 (55,076). Largest 12 bodies by adherents shown.
We are a Non Denominational Church that has a 3-fold purpose. 1. Lead people to follow Christ. 2. Lead them to a fully devoted walk with Jesus Christ. 3. Lead them to minister/serv...
Pastor: Rich Haner Vision: Meeting Jesus...transforming lives AM service: 10:15
Directory traditions here: United Church of Christ (20) · Non-Denominational (14) · Catholic (12) · Methodist (12) · Baptist Churches (12) · United Methodist (7) · Lutheran (5) · Church of the Nazarene (4) · Brethren (4) · Foursquare Gospel (3)
Church registers are among the richest genealogical sources: baptisms, marriages, and burials often predate civil records. The FamilySearch catalog holds microfilmed church records for many Ohio counties, filed by denomination and parish name: search Seneca County church records on FamilySearch (free account). Cross-reference with the historic-register churches above and the cemeteries listed on each church's page.
FEMA has issued 13 disaster declarations covering Seneca County since records began in 1953, most recently in 2020. The most frequent cause: severe storm (5 declarations). Churches have historically served as shelters and relief hubs in these events; congregations can register preparedness plans with their county emergency management agency.
Source: OpenFEMA Disaster Declarations Summaries.
Directory listings are mapped to Seneca 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.