The Largest Churches in Ohio
Ohio's biggest churches by weekly attendance, plus the Ohio churches with the largest online reach. Updated 2026.
Crossroads Church in Cincinnati is the largest church in Ohio, with about 34K people attending weekly (Outreach 100 2025). World Harvest Church (13K) and Vineyard Columbus (7.8K) follow. Together, the 4 churches below draw more than 62K people every week. Measured by online reach instead, Crossroads Church leads Ohio with 1.18M combined followers in the Church Influence 100.
The Largest Churches in Ohio by Attendance
Self-reported weekly attendance, most recent available figures. Linked churches have full Influence 100 profiles.
| Rank | Church | Weekly Attendance |
|---|---|---|
| 1 | Crossroads Church Cincinnati | 34K |
| 2 | World Harvest Church Columbus | 13K |
| 3 | Vineyard Columbus Westerville | 7.8K |
| 4 | Rock City Church Columbus | 7.2K |
Attendance sources per row as noted in our data (primarily Outreach 100 / Lifeway Research, 2025), self-reported by churches.
Ohio Churches in the Influence 100
1 Ohio church made the 2026 Church Influence 100, ranked here by online reach.
The takeaway
Attendance tells you who fills buildings in Ohio. Online reach tells you who Ohio actually listens to, and the two lists rarely match. See how the whole country compares on the largest churches in America, or get your church's Influence Score to see where you stand.
Questions, Answered
What is the largest church in Ohio?
Crossroads Church in Cincinnati is the largest church in Ohio, with about 34K people attending weekly (Outreach 100 2025). World Harvest Church (13K) ranks second and Vineyard Columbus (7.8K) third.
What is the most influential church in Ohio online?
Crossroads Church (Cincinnati, OH) has the largest online reach of any Ohio church in the Church Influence 100, with 1.18M combined followers across YouTube, Instagram, TikTok, and Facebook. It ranks #76 nationally. 1 Ohio church appears in the index.
How many megachurches are in Ohio?
Ohio has 4+ churches drawing well over the 2,000-attendee megachurch threshold; the 4 on this page alone draw over 62K people weekly. Nationally, the Hartford Institute for Religion Research counts more than 1,500 US megachurches.
Where do these attendance numbers come from?
Primarily the 2025 Outreach 100 list compiled with Lifeway Research, supplemented by church-reported figures where noted. Attendance is always self-reported; no independent body audits it. Online reach figures come from the REACHRIGHT Church Influence 100 and are measured from public platform counts.
Influence like this gets built on purpose.
Every church on this list posts consistently, in formats people actually watch. That's not luck. That's a system. We run that system for churches every week: sermon clips, graphics, carousels, captions, posted for you.