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Lee 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 9 7,847 229.81
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 6 2,217 64.93
United Methodist Church Mainline Protestant Methodist Family 11 1,911 55.97
Southern Baptist Convention Evangelical Protestant Baptist Family 4 671 19.65
Jehovah's Witnesses Jehovah's Witnesses Adventist Family 2 466 13.65
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 2 390 11.42
Church of the Brethren Evangelical Protestant Friends/Brethren Family 2 382 11.19
Muslim Estimate Islam Islam Family 1 374 10.95
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 2 306 8.96
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 3 211 6.18
Church of God (Anderson, Indiana) Evangelical Protestant Holiness Family 1 160 4.69
Episcopal Church Mainline Protestant Anglican/Episcopal Family 1 133 3.90
United Church of Christ Mainline Protestant Congregationalists (United Church of Christ) Family 2 122 3.57
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 1 94 2.75
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 2 84 2.46
Christian Methodist Episcopal Church Black Protestant Methodist Family 1 76 2.23
Church of the Nazarene Evangelical Protestant Holiness Family 1 66 1.93
Christian and Missionary Alliance Evangelical Protestant Holiness Family 1 63 1.85
Seventh-day Adventist Church Evangelical Protestant Adventist Family 1 44 1.29
Lutheran Congregations in Mission for Christ Evangelical Protestant Lutheran Family 1 30 0.88
Baha'i Faith Other Other Groups Family 0 4 0.12
Christian Church (Disciples of Christ) Mainline Protestant Restorationists Family 1 0 0.00
International Church of the Foursquare Gospel Evangelical Protestant Pentecostal Family 1 0 0.00
Evangelical Congregational Church Evangelical Protestant Methodist Family 2
Evangelical Free Church of America Evangelical Protestant Methodist Family 1

Religious Traditions (1980 - 2020), Percent of Population

The population of this county was 34,145 in 2020. The adherent totals of the religious groups listed above (15,651) included 45.8% 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

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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