County Membership Report
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Will County, Illinois

Denominational Groups, 2000

35,080 35,381 1,714 195,271 3,125 231,695
Evangelical Protestant Mainline Protestant Orthodox Catholic Other Unclaimed

Congregational "adherents" include all full members, their children, and others who regularly attend services. The historically African American denominations are not included in the 2000 congregation and membership totals. Many are also missing in 1990 and most historically African American denominations are missing in the 1980 reports.
[More information on the data sources]

Reports


Religious Bodies Theology Congregations Adherents Adherence Rate
American Baptist Churches in the USA Mainline Protestant 6 1,663 3.3
Assemblies of God Evangelical Protestant 8 4,740 9.4
Bahá'í Other Theology 2 164 0.3
Baptist General Conference Evangelical Protestant 3 1,787 3.6
Catholic Church Catholic 41 195,271 388.8
Christian and Missionary Alliance, The Evangelical Protestant 3 215 0.4
Christian Churches and Churches of Christ Evangelical Protestant 9 2,343 4.7
Christian Reformed Church in North America Evangelical Protestant 3 479 1.0
Church of God (Anderson, Indiana) Evangelical Protestant 2 253 0.5
Church of God (Cleveland, Tennessee) Evangelical Protestant 1 68 0.1
Church of God of Prophecy Evangelical Protestant 2 112 0.2
Church of Jesus Christ of Latter-day Saints, The Other Theology 5 1,706 3.4
Church of the Nazarene Evangelical Protestant 4 682 1.4
Churches of Christ Evangelical Protestant 5 483 1.0
Churches of God, General Conference Evangelical Protestant 1 225 0.5
Conservative Congregational Christian Conference Evangelical Protestant 1 164 0.3
Episcopal Church Mainline Protestant 5 1,007 2.0
Evangelical Covenant Church, The Evangelical Protestant 2 305 0.6
Evangelical Free Church of America, The Evangelical Protestant 3 655 1.3
Evangelical Lutheran Church in America Mainline Protestant 18 11,615 23.1
Free Methodist Church of North America Evangelical Protestant 1 62 0.1
General Association of Regular Baptist Churches Evangelical Protestant 6 745 1.5
Greek Orthodox Archdiocese of America Orthodox 1 1,125 2.2
Holy Orthodox Church in North America Orthodox 1 18 0.0
Independent, Charismatic Churches Evangelical Protestant 1 950 1.9
Independent, Non-Charismatic Churches Evangelical Protestant 1 1,301 2.6
International Church of the Foursquare Gospel Evangelical Protestant 1 19 0.0
International Pentecostal Holiness Church Evangelical Protestant 1 16 0.0
Jain Other Theology 1 n.a. n.a.
Jewish Estimate Other Theology 1 270 0.5
Lutheran Church--Missouri Synod Evangelical Protestant 17 9,686 19.3
Muslim Estimate Other Theology 2 900 1.8
National Association of Congregational Christian Churches Mainline Protestant 1 144 0.3
National Association of Free Will Baptists Evangelical Protestant 1 113 0.2
New Testament Association of Independent Baptist Churches and other Fundamental Baptist Associations/Fellowships Evangelical Protestant 3 885 1.8
Orthodox Church in America: Territorial Dioceses Orthodox 1 221 0.4
Orthodox Presbyterian Church, The Evangelical Protestant 1 110 0.2
Presbyterian Church (U.S.A.) Mainline Protestant 11 2,918 5.8
Presbyterian Church in America Evangelical Protestant 2 80 0.2
Reformed Church in America Mainline Protestant 2 1,563 3.1
Salvation Army, The Evangelical Protestant 1 208 0.4
Serbian Orthodox Church in the USA Orthodox 1 350 0.7
Serbian Orthodox Church in the USA (New Gracanica Metropolitanate) Orthodox 1 n.a. n.a.
Seventh-day Adventist Church Evangelical Protestant 5 539 1.1
Southern Baptist Convention Evangelical Protestant 19 5,674 11.3
Southwide Baptist Fellowship Evangelical Protestant 1 n.a. n.a.
Unitarian Universalist Association of Congregations Other Theology 1 85 0.2
United Church of Christ Mainline Protestant 13 6,312 12.6
United Methodist Church, The Mainline Protestant 22 10,159 20.2
United Reformed Churches in North America Evangelical Protestant 1 85 0.2
Vineyard USA Evangelical Protestant 2 290 0.6
Wesleyan Church, The Evangelical Protestant 1 138 0.3
Wisconsin Evangelical Lutheran Synod Evangelical Protestant 2 1,668 3.3
Totals (Unadjusted)*: 250 270,571  
Total (Adjusted)**:   322,955  

The population of this county (or equivalent) in 1990 was 357,313; in 2000 it was 502,266. The total population changed 40.6%. The unadjusted adherent totals of the religious groups listed above (270,571) include 53.9% of the total population in 2000. The adjusted total adherents (322,955) include 64.3% of the population.

Source

*The “Unadjusted Totals” come from the 1990 and 2000 data collected by representatives of the Association of Statisticians of American Religious Bodies (ASARB). While quite comprehensive, this data excludes most of the historically African-American denominations and some other major groups. As a result, these numbers will be an underestimate of the total adherence rate, particularly in areas with a large African-American population. The 2000 data included 149 religious groups and the final results are published in Religious Congregations and Membership in the United States 2000. Copyright © 2002, All rights reserved. The 1990 data included 132 groups and the final results are published in Churches and Church Membership in the United States 1990 Copyright © 1990, All rights reserved. Published by Glenmary Research Center, 1312 Fifth Ave., North, Nashville, TN 37208. www.glenmary.org [More information on the data collection]

**The “Adjusted Totals” include all adherents in the denominations counted by the Association of Statisticians of American Religious Bodies (ASARB) and estimates adherent totals for the historically African-American denominations and other religious groups not listed in the ASARB totals. An article by Roger Finke and Christopher P. Scheitle (2005) reviews how these estimates were computed.

The adherence rate provides the number of adherents of a particular group per 1,000 population. For example, in 2000 the Episcopal Church had an adherence rate of approximately 8 (8.1) in Autauga County, Alabama. This means that 8 out of every 1,000 people in Autauga County are Episcopalian.

[More information on the data source]


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