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Iroquois 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
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 10 3,397 125.46
United Methodist Church Mainline Protestant Methodist Family 12 1,905 70.35
Catholic Church Catholic Catholic Liturgical Family 7 1,869 69.03
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 8 1,447 53.44
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 3 857 31.65
Association of Free Lutheran Congregations Evangelical Protestant Lutheran Family 2 449 16.58
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 3 440 16.25
United Church of Christ Mainline Protestant Congregationalists (United Church of Christ) Family 3 438 16.18
Apostolic Christian Church of America Evangelical Protestant Froehlich Churches Family 1 200 7.39
Church of the Nazarene Evangelical Protestant Holiness Family 3 140 5.17
Jehovah's Witnesses Jehovah's Witnesses Adventist Family 1 136 5.02
Reformed Church in America Mainline Protestant Presbyterian/Reformed Family 1 127 4.69
Southern Baptist Convention Evangelical Protestant Baptist Family 2 85 3.14
German Apostolic / Christian Apostolic Churches Evangelical Protestant Froehlich Churches Family 1 50 1.85
Church of God (Anderson, Indiana) Evangelical Protestant Holiness Family 1 40 1.48
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 1 32 1.18
Wesleyan Church Evangelical Protestant Holiness Family 1 28 1.03
National Association of Congregational Christian Churches Mainline Protestant Congregationalists (United Church of Christ) Family 1 24 0.89
Church of the United Brethren in Christ, USA Evangelical Protestant Methodist Family 1 16 0.59
Baha'i Faith Other Other Groups Family 0 1 0.04
Christian Church (Disciples of Christ) Mainline Protestant Restorationists Family 1 0 0.00
Evangelical Free Church of America Evangelical Protestant Methodist Family 2
American Association of Lutheran Churches Evangelical Protestant Lutheran Family 1
North American Lutheran Church Evangelical Protestant Lutheran Family 1
           

Religious Traditions (1980 - 2020), Percent of Population


The population of this county was 27,077 in 2020. The adherent totals of the religious groups listed above (11,681) included 43.1% 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 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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