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Orleans 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 4 6,244 154.77
Muslim Estimate Islam Islam Family 2 4,144 102.72
United Methodist Church Mainline Protestant Methodist Family 10 2,035 50.44
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 5 1,090 27.02
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 3 486 12.05
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 4 478 11.85
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 5 448 11.10
Jehovah's Witnesses Jehovah's Witnesses Adventist Family 2 378 9.37
National Missionary Baptist Convention of America Black Protestant Baptist Family 2 360 8.92
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 4 334 8.28
Stauffer Mennonite Church Evangelical Protestant Mennonite/Amish Family 1 280 6.94
Christian and Missionary Alliance Evangelical Protestant Holiness Family 2 213 5.28
Church of God in Christ Black Protestant Pentecostal Family 1 150 3.72
Amish Groups, undifferentiated Evangelical Protestant Mennonite/Amish Family 2 128 3.17
Free Methodist Church – USA Evangelical Protestant Holiness Family 1 120 2.97
Episcopal Church Mainline Protestant Anglican/Episcopal Family 3 114 2.83
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 1 86 2.13
United Church of Christ Mainline Protestant Congregationalists (United Church of Christ) Family 1 71 1.76
Seventh-day Adventist Church Evangelical Protestant Adventist Family 1 61 1.51
Wesleyan Church Evangelical Protestant Holiness Family 1 31 0.77
Unitarian Universalist Association Other Christians Liberal Family 1 26 0.64
Southern Baptist Convention Evangelical Protestant Baptist Family 1 17 0.42
Baha'i Faith Other Other Groups Family 0 13 0.32
Orthodox Judaism Judaism Judaism Family 2 0 0.00
North American Baptist Conference Evangelical Protestant Baptist Family 2

Religious Traditions (1980 - 2020), Percent of Population

The population of this county was 40,343 in 2020. The adherent totals of the religious groups listed above (17,307) included 42.9% 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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