County Membership Report
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Winnebago County, Illinois

Denominational Groups, 2000

32,724 40,362 833 61,827 3,435 139,237
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
Catholic Church Catholic 16 40,725 162.3
Evangelical Lutheran Church in America Mainline Protestant 22 22,292 88.9
United Methodist Church, The Mainline Protestant 24 12,791 51.0
Lutheran Church--Missouri Synod Evangelical Protestant 9 5,528 22.0
Presbyterian Church (U.S.A.) Mainline Protestant 8 5,441 21.7
United Church of Christ Mainline Protestant 8 4,402 17.6
Assemblies of God Evangelical Protestant 4 3,943 15.7
Evangelical Covenant Church, The Evangelical Protestant 9 2,942 11.7
Southern Baptist Convention Evangelical Protestant 10 2,595 10.3
Evangelical Free Church of America, The Evangelical Protestant 6 2,422 9.7
Christian Churches and Churches of Christ Evangelical Protestant 4 1,710 6.8
Churches of Christ Evangelical Protestant 7 1,674 6.7
Episcopal Church Mainline Protestant 3 1,523 6.1
American Baptist Churches in the USA Mainline Protestant 3 1,274 5.1
Baptist General Conference Evangelical Protestant 2 1,237 4.9
Salvation Army, The Evangelical Protestant 2 942 3.8
Church of Jesus Christ of Latter-day Saints, The Other Theology 2 914 3.6
Church of the Nazarene Evangelical Protestant 5 747 3.0
Unitarian Universalist Association of Congregations Other Theology 1 688 2.7
Open Bible Standard Churches, Inc. Evangelical Protestant 1 563 2.2
Jewish Estimate Other Theology 2 485 1.9
Seventh-day Adventist Church Evangelical Protestant 1 384 1.5
Conservative Baptist Association of America Evangelical Protestant 1 272 1.1
Church of God (Cleveland, Tennessee) Evangelical Protestant 2 243 1.0
Christian Church (Disciples of Christ) Mainline Protestant 2 199 0.8
Reformed Church in America Mainline Protestant 1 196 0.8
Church of God (Anderson, Indiana) Evangelical Protestant 2 192 0.8
Free Methodist Church of North America Evangelical Protestant 1 156 0.6
Church of the Brethren Evangelical Protestant 1 137 0.6
Wisconsin Evangelical Lutheran Synod Evangelical Protestant 1 94 0.4
International Church of the Foursquare Gospel Evangelical Protestant 1 67 0.3
Church of God General Conference Evangelical Protestant 1 66 0.3
Christian and Missionary Alliance, The Evangelical Protestant 1 38 0.2
National Association of Congregational Christian Churches Mainline Protestant 1 31 0.1
Friends (Quakers) Mainline Protestant 1 21 0.1
Evangelical Congregational Church, The Evangelical Protestant 1 20 0.1
Totals (Unadjusted)*: 166 116,954  

The population of this county (or equivalent) in 1980 was 250,884. The adherent totals of the religious groups listed above (116,954) include 46.6% of the total population in 1980.

Source

The 1980 data were collected by the Glenmary Research Center and includes statistics for 111 Judeo-Christian church bodies, including number of churches and adherents. These data originally appeared in Churches and Church Membership in the United States, 1980, published by the Glenmary Research Center.

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.