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Mercer County, Pennsylvania - 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 13 14,433 130.44
United Methodist Church Mainline Protestant Methodist Family 27 6,487 58.63
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 24 4,920 44.46
Amish Groups, undifferentiated Evangelical Protestant Mennonite/Amish Family 29 2,875 25.98
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 21 2,818 25.47
Christian and Missionary Alliance Evangelical Protestant Holiness Family 6 1,560 14.10
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 4 1,489 13.46
United Church of Christ Mainline Protestant Congregationalists (United Church of Christ) Family 4 1,260 11.39
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 6 1,085 9.81
Church of God (Anderson, Indiana) Evangelical Protestant Holiness Family 5 790 7.14
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 5 680 6.15
Episcopal Church Mainline Protestant Anglican/Episcopal Family 3 568 5.13
Church of the Nazarene Evangelical Protestant Holiness Family 7 567 5.12
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 3 408 3.69
Salvation Army Evangelical Protestant Holiness Family 2 402 3.63
National Baptist Convention, USA, Inc. Black Protestant Baptist Family 1 300 2.71
Full Gospel Christian Assemblies International Evangelical Protestant Pentecostal Family 2 290 2.62
Jehovah's Witnesses Jehovah's Witnesses Adventist Family 1 286 2.58
Southern Baptist Convention Evangelical Protestant Baptist Family 2 252 2.28
Wesleyan Church Evangelical Protestant Holiness Family 1 237 2.14
Progressive National Baptist Convention, Inc. Black Protestant Baptist Family 1 234 2.11
Churches of Christ Evangelical Protestant Restorationists Family 2 225 2.03
American Carpatho-Russian Orthodox Diocese of the USA Orthodox Eastern Liturgical (Orthodox) Family 2 206 1.86
African Methodist Episcopal Church Black Protestant Methodist Family 1 200 1.81
National Missionary Baptist Convention of America Black Protestant Baptist Family 1 180 1.63
American Baptist Association Evangelical Protestant Baptist Family 1 178 1.61
African Methodist Episcopal Zion Church Black Protestant Methodist Family 1 150 1.36
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 1 134 1.21
Orthodox Church in America, The Orthodox Eastern Liturgical (Orthodox) Family 1 120 1.08
Unaffiliated Amish-Mennonite (Conservative) Evangelical Protestant Mennonite/Amish Family 1 110 0.99
Ukrainian Orthodox Church of the U.S.A. Orthodox Eastern Liturgical (Orthodox) Family 1 90 0.81
Midwest Mennonite Fellowship Evangelical Protestant Mennonite/Amish Family 1 85 0.77
Serbian Orthodox Church in North and South America Orthodox Eastern Liturgical (Orthodox) Family 1 85 0.77
Seventh-day Adventist Church Evangelical Protestant Adventist Family 1 82 0.74
Mennonite Christian Fellowship Evangelical Protestant Mennonite/Amish Family 1 73 0.66
Christian Church (Disciples of Christ) Mainline Protestant Restorationists Family 2 50 0.45
Greek Orthodox Archdiocese of America Orthodox Eastern Liturgical (Orthodox) Family 1 40 0.36
Baha'i Faith Other Other Groups Family 0 27 0.24
Apostolic Christian Church (Nazarene) - West Conference Evangelical Protestant Froehlich Churches Family 1 15 0.14
Community of Christ Evangelical Protestant Latter-day Saints (Mormonism) Family 1
Elim Fellowship Evangelical Protestant Pentecostal Family 1
Anglican Church in North America Evangelical Protestant Anglican/Episcopal Family 1
Evangelical Congregational Church Evangelical Protestant Methodist Family 2
Evangelical Free Church of America Evangelical Protestant Methodist Family 1
North American Lutheran Church Evangelical Protestant Lutheran Family 1
ECO: A Covenant Order of Evangelical Presbyterians Evangelical Protestant Presbyterian/Reformed Family 4
International Fellowship of Bible Churches Evangelical Protestant Holiness Family 2
International Fellowship of Christian Assemblies Evangelical Protestant Pentecostal Family 3
The Church of God Evangelical Protestant 1
Syriac-Greek Antiochian Orthodox Catholic Church Orthodox Eastern Liturgical (Orthodox) Family 1
New Apostolic Church USA Other Christians Other Groups Family 1
Orthodox Presbyterian Church Evangelical Protestant Presbyterian/Reformed Family 2
Evangelical Presbyterian Church (1981) Evangelical Protestant Presbyterian/Reformed Family 3
Associate Reformed Presbyterian Church (General Synod) Evangelical Protestant Presbyterian/Reformed Family 1
Church of God of Prophecy Evangelical Protestant Pentecostal Family 1
Church of Jesus Christ (Bickertonite) Latter-day Saints Latter-day Saints (Mormonism) Family 1
United Pentecostal Church International Evangelical Protestant Pentecostal Family 1
           

Religious Traditions (1980 - 2020), Percent of Population


The population of this county was 110,652 in 2020. The adherent totals of the religious groups listed above (43,991) included 39.8% 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 https://www.usreligioncensus.org/.

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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