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Religion in Ohio

Ohio had rich and diverse religious cultures, and the freedom to practice beliefs has helped give rise to a highly unique religious pluralism and freedom. Ohio is the US state with the 7th largest population, Christianity being the majority religion and Protestantism as its largest branch. 

Since the 1990s, the religious share of Christians has decreased, while Hinduism, Buddhism, Islam, Sikhism, and other religions have spread, mainly from immigration.

also read about Race and Ethnicity in Ohio

Ohio Religion Percentage

Christianity is the main religion followed by 73% of the population. The largest Christian denomination in Ohio is Protestants (53%) followed by Roman Catholics (18%), Mormonism (1%),  Jehovah’s Witnesses (1%), and Other Christian (1%).

22% of the population don’t follow or adhere to any faith or religion and the rest 4% follow other non-Christian-based religions.

Other Religions include Hinduism (1%), Buddhism(1%), Jews (1%), Islam (1%), and other smaller faiths.

Christianity 73%
 – Protestantism – 53%
 – Roman Catholicism – 18%
 – Mormonism -1%
 – Eastern Orthodoxy – < 1%
 – Jehovah’s Witnesses – 1%
 – Other Christian – 1%
Other Religion4%
  Judaism 1%
  Islam 1%
  Buddhism 1%
  Hinduism 1%
  Other religion <1%
  No religion 22%
  Don’t know 1%

Source: Pew Research Center

read about Religion in the United States

Christianity in Ohio

Christianity with 73% followers is the largest in Ohio. All Protestant denominations accounted for 53% of the population, followed by Roman Catholics at 18% of the population.

Rest include Mormons,  Eastern Orthodoxy, Jehovah’s Witnesses, and other smaller denominations. 

Christianity AffiliationsPercentage
Protestantism 53%
– Evangelical Protestant– 29%
– Mainline Protestant– 17%
– Black church– 7%
Roman Catholicism 18%
Mormonism 1%
Eastern Orthodoxy <1%
Jehovah’s Witnesses 1%
Other Christians 1%

Protestantism in Ohio

Among Christians in Ohio, Protestantism is the largest group comprising about 53% of the state’s population. Protestantism in the United States has branched out into several branches, denominations, and various interdenominational and related movements. 

Protestants by tradition can be further classified into three main denominations. Evangelical is the largest and followed by 29% of the population, Next are Mainline Protestants (17%) and 7 % follow Black Church.

Protestants by tradition

Protestants Affiliation% of  population
Evangelical Protestant29%
Mainline Protestant17%
Black church7%

Protestantism is also comprised of numerous denominational families (e.g., Baptist, Methodist, and Pentecostal) that fit into one or more of the traditions.

The largest Protestant churches in Ohio are as follows

Religious BodiesTraditionFamilyAdherents
Non-denominational Christian ChurchesEvangelicalOther Groups 1,411,863
United Methodist ChurchMainlineMethodist 336,720
Evangelical Lutheran Church in AmericaMainlineLutheran 163,671
Southern Baptist ConventionEvangelicalBaptist 132,633
Christian Churches and Churches of ChristEvangelicalRestorationists 127,093
National Missionary Baptist Convention of AmericaBlackBaptist 112,904
United Church of ChristMainlineCongregationalists (United Church of Christ) 90,042
Church of the NazareneEvangelicalHoliness 89,086
American Baptist Churches in the U.S.A.MainlineBaptist 85,308
Assemblies of God, General Council of theEvangelicalPentecostal 72,791

read about  Protestants in the United States

Catholics in Ohio

Catholic Church at about 18 % of the state population is the second largest religious grouping in Ohio, after Protestantism. According to the Association of Religion Data Archives (ARDA), in 2020 the largest denomination by adherents in Ohio was the Catholic Church with 1,820,233 adherents.

Since the 1990s, the religious share of Christians has decreased, while Hinduism, Buddhism, Islam, Sikhism, and other religions have spread, mainly from immigration. Other Religions in Ohio are at 4%  and it includes Hinduism, Buddhism, Jews, Islam (1%), and other smaller faiths.

Other Religion

  •   Judaism  1%
  •   Islam  1%
  •   Buddhism  1%
  •   Hinduism  1%
  •   Other religions <1%

also read about Race and Ethnicity in Ohio


Note: The US census does not contain questions about one’s religious affiliation. Our Article is based on surveys conducted by various institutions and agencies.

Religion in Ohio 2024 | Christianity in Ohio