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Marion County, Illinois - County Membership Report (2010)

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
Southern Baptist Convention Evangelical Protestant Baptist Family 23 5,083 128.89
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 14 3,577 90.70
Muslim Estimate Islam Islam Family 1 3,298 83.63
Catholic Church Catholic Catholic Liturgical Family 5 2,543 64.48
United Methodist Church Mainline Protestant Methodist Family 17 2,077 52.67
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 3 1,985 50.33
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 8 1,507 38.21
Christian Church (Disciples of Christ) Mainline Protestant Restorationists Family 3 542 13.74
Church of the Nazarene Evangelical Protestant Holiness Family 1 540 13.69
Church of Jesus Christ of Latter-day Saints Latter-day Saints Latter-day Saints (Mormonism) Family 1 435 11.03
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 4 339 8.60
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 1 323 8.19
United Church of Christ Mainline Protestant Congregationalists (United Church of Christ) Family 2 287 7.28
Churches of Christ Evangelical Protestant Restorationists Family 4 273 6.92
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 2 268 6.80
National Association of Free Will Baptists Evangelical Protestant Baptist Family 2 209 5.30
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal Family 2 175 4.44
Community of Christ Evangelical Protestant Latter-day Saints (Mormonism) Family 2 164 4.16
Free Methodist Church – USA Evangelical Protestant Holiness Family 2 135 3.42
African Methodist Episcopal Zion Church Black Protestant Methodist Family 1 132 3.35
Reform Judaism Judaism Judaism Family 1 122 3.09
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 1 119 3.02
Episcopal Church Mainline Protestant Anglican/Episcopal Family 2 103 2.61
Church of God (Anderson, Indiana) Evangelical Protestant Holiness Family 2 83 2.10
Seventh-day Adventist Church Evangelical Protestant Adventist Family 1 47 1.19
Church of the Brethren Evangelical Protestant Friends/Brethren Family 1 34 0.86
Baha'i Faith Other Other Groups Family 0 6 0.15
Salvation Army Evangelical Protestant Holiness Family 1 0 0.00
Church of Christ, Scientist Other Christians Christian Science Family 1
Independent Fundamental Churches of America Evangelical Protestant Independent Fundamentalist Family 1
Jehovah's Witnesses Jehovah's Witnesses Adventist Family 2
United Pentecostal Church International Evangelical Protestant Pentecostal Family 4
           

Religious Traditions (1980 - 2020), Percent of Population


The population of this county was 39,437 in 2010. The adherent totals of the religious groups listed above (24,406) included 61.9% of the total population in 2010. 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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