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McHenry County, Illinois - County Membership Report (1990)

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 17 53,288 290.81
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 10 11,338 61.87
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 11 10,684 58.31
Jewish Congregations Judaism Judaism Family 0 7,487 40.86
United Church of Christ Mainline Protestant Congregationalists (United Church of Christ) Family 9 6,801 37.12
United Methodist Church Mainline Protestant Methodist Family 14 6,359 34.70
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 5 2,191 11.96
Southern Baptist Convention Evangelical Protestant Baptist Family 5 1,906 10.40
Episcopal Church Mainline Protestant Anglican/Episcopal Family 5 1,699 9.27
Evangelical Free Church of America Evangelical Protestant Methodist Family 4 1,092 5.96
Church of Jesus Christ of Latter-day Saints Latter-day Saints Latter-day Saints (Mormonism) Family 2 923 5.04
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 4 920 5.02
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran Family 1 310 1.69
Christian and Missionary Alliance Evangelical Protestant Holiness Family 1 269 1.47
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 2 268 1.46
International Church of the Foursquare Gospel Evangelical Protestant Pentecostal Family 1 264 1.44
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 2 248 1.35
Estonian Evangelical Lutheran Church Mainline Protestant Lutheran Family 1 222 1.21
Unitarian Universalist Association Other Christians Liberal Family 1 158 0.86
Converge Worldwide Evangelical Protestant Baptist Family 1 133 0.73
Church of the Nazarene Evangelical Protestant Holiness Family 1 123 0.67
Free Methodist Church – USA Evangelical Protestant Holiness Family 1 115 0.63
Churches of Christ Evangelical Protestant Restorationists Family 1 110 0.60
Christian Reformed Church in North America Evangelical Protestant Presbyterian/Reformed Family 1 102 0.56
Holy Apostolic Catholic Assyrian Church of the East Orthodox Eastern Liturgical (Orthodox) Family 0 79 0.43
Pentecostal Church of God Evangelical Protestant Pentecostal Family 1 77 0.42
Friends (Quakers) Mainline Protestant Friends/Brethren Family 1 44 0.24
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal Family 1 18 0.10
Independent Fundamental Churches of America Evangelical Protestant Independent Fundamentalist Family 1
Church of Christ, Scientist Other Christians Christian Science Family 3

Religious Traditions (1980 - 2020), Percent of Population

The population of this county was 183,241 in 1990. The adherent totals of the religious groups listed above (107,228) included 58.5% of the total population in 1990. 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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