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Ontario County, New York - County Membership Report (2020)

Exact definitions of "congregations" and "adherents" vary by religious body. Congregations may be parishes, churches, synagogues, mosques, temples, or another site where a religious body has regularly scheduled worship services. Adherents generally are members, children who are not members, and others who are not members but are considered participants in the congregation.

[More information on the data sources]

Religious Bodies Tradition Family Congregations Adherents Adherence Rate
Catholic Church Catholic Catholic Liturgical Family 12 31,451 279.67
United Methodist Church Mainline Protestant Methodist Family 18 5,024 44.67
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 11 1,910 16.98
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 8 1,316 11.70
Wesleyan Church Evangelical Protestant Holiness Family 2 1,246 11.08
United Church of Christ Mainline Protestant Congregationalists (United Church of Christ) Family 6 1,200 10.67
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 6 1,188 10.56
Episcopal Church Mainline Protestant Anglican/Episcopal Family 6 819 7.28
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 2 813 7.23
Church of Jesus Christ of Latter-day Saints Latter-day Saints Latter-day Saints (Mormonism) Family 1 512 4.55
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 2 456 4.05
Salvation Army Evangelical Protestant Holiness Family 2 260 2.31
Weaverland Mennonite Conference Evangelical Protestant Mennonite/Amish Family 1 234 2.08
Progressive National Baptist Convention, Inc. Black Protestant Baptist Family 1 234 2.08
Jehovah's Witnesses Jehovah's Witnesses Adventist Family 1 232 2.06
Romanian Orthodox Metropolia of the Americas Orthodox Eastern Liturgical (Orthodox) Family 1 200 1.78
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 3 197 1.75
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal Family 4 187 1.66
National Missionary Baptist Convention of America Black Protestant Baptist Family 1 180 1.60
Reform Judaism Judaism Judaism Family 1 165 1.47
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 1 153 1.36
Church of God in Christ Black Protestant Pentecostal Family 1 120 1.07
Friends General Conference and Friends United Meeting, dually aligned meetings Mainline Protestant Friends/Brethren Family 2 94 0.84
Unitarian Universalist Association Other Christians Liberal Family 1 92 0.82
Southern Baptist Convention Evangelical Protestant Baptist Family 1 92 0.82
Antiochian Orthodox Christian Archdiocese of North America Orthodox Eastern Liturgical (Orthodox) Family 1 90 0.80
National Association of Free Will Baptists Evangelical Protestant Baptist Family 1 81 0.72
National Association of Congregational Christian Churches Mainline Protestant Congregationalists (United Church of Christ) Family 1 64 0.57
Seventh-day Adventist Church Evangelical Protestant Adventist Family 1 62 0.55
Baha'i Faith Other Other Groups Family 1 52 0.46
Christian and Missionary Alliance Evangelical Protestant Holiness Family 1 52 0.46
Anglican Church in America Mainline Protestant Anglican/Episcopal Family 1
North American Baptist Conference Evangelical Protestant Baptist Family 1
Elim Fellowship Evangelical Protestant Pentecostal Family 6
Conservative Baptist Association of America (CBAmerica) Evangelical Protestant Baptist Family 2
United Pentecostal Church International Evangelical Protestant Pentecostal Family 1

Religious Traditions (1980 - 2020), Percent of Population

The population of this county was 112,458 in 2020. The adherent totals of the religious groups listed above (48,776) included 43.4% of the total population in 2020. The adherence rate is the number of adherents of a given group per 1,000 people in the general population.

Note that data collection methods for religious bodies change over time, affecting the comparability of statistics. For further information, see the U.S. Religion Census website at

The 2020 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include data for 372 religious bodies or groups. Of these, the ASARB was able to gather data on congregations and adherents for 217 and on congregations only for 155.

[More information on the data sources]

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