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Douglas 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
Catholic Church Catholic Catholic Liturgical Family 3 3,364 170.42
Amish Groups, undifferentiated Evangelical Protestant Mennonite/Amish Family 20 2,282 115.60
United Methodist Church Mainline Protestant Methodist Family 8 1,601 81.10
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 4 1,110 56.23
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 1 1,000 50.66
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 5 973 49.29
Southern Baptist Convention Evangelical Protestant Baptist Family 3 380 19.25
United Church of Christ Mainline Protestant Congregationalists (United Church of Christ) Family 2 289 14.64
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 1 215 10.89
Church of Jesus Christ of Latter-day Saints Latter-day Saints Latter-day Saints (Mormonism) Family 1 210 10.64
Beachy Amish Mennonite Churches Evangelical Protestant Mennonite/Amish Family 1 161 8.16
Church of the Nazarene Evangelical Protestant Holiness Family 3 151 7.65
Church of God in Christ, Mennonite Evangelical Protestant Mennonite/Amish Family 1 133 6.74
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 1 123 6.23
Biblical Mennonite Alliance Evangelical Protestant Mennonite/Amish Family 1 114 5.78
Jehovah's Witnesses Jehovah's Witnesses Adventist Family 1 104 5.27
Church of God (Anderson, Indiana) Evangelical Protestant Holiness Family 2 80 4.05
National Missionary Baptist Convention of America Black Protestant Baptist Family 1 76 3.85
Churches of Christ Evangelical Protestant Restorationists Family 1 70 3.55
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 1 26 1.32
Baha'i Faith Other Other Groups Family 0 4 0.20
Christian Church (Disciples of Christ) Mainline Protestant Restorationists Family 1 0 0.00
United Pentecostal Church International Evangelical Protestant Pentecostal Family 2

Religious Traditions (1980 - 2020), Percent of Population

The population of this county was 19,740 in 2020. The adherent totals of the religious groups listed above (12,466) included 63.2% 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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