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Clay County, Illinois - 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
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 2 2,740 206.20
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 12 1,981 149.08
Southern Baptist Convention Evangelical Protestant Baptist Family 10 1,493 112.36
Catholic Church Catholic Catholic Liturgical Family 2 1,290 97.08
United Methodist Church Mainline Protestant Methodist Family 6 701 52.75
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 2 391 29.43
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 1 301 22.65
Church of the Nazarene Evangelical Protestant Holiness Family 1 192 14.45
Church of God (Anderson, Indiana) Evangelical Protestant Holiness Family 1 102 7.68
Amish Groups, undifferentiated Evangelical Protestant Mennonite/Amish Family 2 86 6.47
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 1 79 5.95
Churches of Christ Evangelical Protestant Restorationists Family 1 50 3.76
National Missionary Baptist Convention of America Black Protestant Baptist Family 1 40 3.01
Baha'i Faith Other Other Groups Family 0 2 0.15
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal Family 1 0 0.00
Church of God of Prophecy Evangelical Protestant Pentecostal Family 1
Community of Christ Evangelical Protestant Latter-day Saints (Mormonism) Family 1
Evangelical Methodist Church Evangelical Protestant Methodist Family 1
United Pentecostal Church International Evangelical Protestant Pentecostal Family 1

Religious Traditions (1980 - 2020), Percent of Population

The population of this county was 13,288 in 2020. The adherent totals of the religious groups listed above (9,448) included 71.1% 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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