State Membership Report
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Connecticut

Denominational Groups, 2000

81,958 342,928 21,115 1,372,562 152,539 1,434,463
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 Association, The Evangelical Protestant 1 25 0.0
American Baptist Churches in the USA Mainline Protestant 116 45,225 13.3
American Carpatho-Russian Orthodox Greek Catholic Church Orthodox 4 1,913 0.6
Antiochian Orthodox Christian Archdiocese of North America, The Orthodox 2 1,256 0.4
Apostolic Catholic Assyrian Church of the East, North American Dioceses Orthodox 1 516 0.2
Apostolic Christian Church of America, Inc. Evangelical Protestant 1 575 0.2
Apostolic Christian Churches (Nazarene) Evangelical Protestant 1 35 0.0
Armenian Apostolic Church / Catholicossate of Cilicia Orthodox 1 420 0.1
Armenian Apostolic Church / Catholicossate of Etchmiadzin Orthodox 3 1,240 0.4
Assemblies of God Evangelical Protestant 84 14,632 4.3
Bahá'í Other Theology 13 997 0.3
Baptist General Conference Evangelical Protestant 13 3,671 1.1
Buddhism Other Theology 12 n.a. n.a.
Calvary Chapel Fellowship Churches Evangelical Protestant 3 n.a. n.a.
Catholic Church Catholic 411 1,372,562 403.0
Christian and Missionary Alliance, The Evangelical Protestant 19 1,773 0.5
Christian Church (Disciples of Christ) Mainline Protestant 4 595 0.2
Christian Churches and Churches of Christ Evangelical Protestant 7 428 0.1
Christian Reformed Church in North America Evangelical Protestant 2 576 0.2
Church of God (Anderson, Indiana) Evangelical Protestant 2 180 0.1
Church of God (Cleveland, Tennessee) Evangelical Protestant 45 6,829 2.0
Church of God of Prophecy Evangelical Protestant 7 678 0.2
Church of Jesus Christ of Latter-day Saints, The Other Theology 34 9,593 2.8
Church of the Nazarene Evangelical Protestant 20 1,964 0.6
Churches of Christ Evangelical Protestant 25 2,410 0.7
Community of Christ Evangelical Protestant 4 266 0.1
Congregational Christian Churches, Additional (not part of any national CCC body) Mainline Protestant 6 1,607 0.5
Conservative Baptist Association of America Evangelical Protestant 14 1,487 0.4
Conservative Congregational Christian Conference Evangelical Protestant 6 699 0.2
Episcopal Church Mainline Protestant 186 73,550 21.6
Evangelical Covenant Church, The Evangelical Protestant 15 3,509 1.0
Evangelical Free Church of America, The Evangelical Protestant 16 3,353 1.0
Evangelical Lutheran Church in America Mainline Protestant 74 31,960 9.4
Free Methodist Church of North America Evangelical Protestant 2 508 0.2
Friends (Quakers) Mainline Protestant 10 558 0.2
General Association of Regular Baptist Churches Evangelical Protestant 5 820 0.2
Greek Orthodox Archdiocese of America Orthodox 14 10,635 3.1
Hindu Other Theology 5 n.a. n.a.
Independent, Charismatic Churches Evangelical Protestant 1 1,800 0.5
Independent, Non-Charismatic Churches Evangelical Protestant 7 3,740 1.1
International Church of the Foursquare Gospel Evangelical Protestant 5 339 0.1
International Churches of Christ Evangelical Protestant 3 678 0.2
International Council of Community Churches Mainline Protestant 1 40 0.0
International Pentecostal Church of Christ Evangelical Protestant 1 75 0.0
Jain Other Theology 4 n.a. n.a.
Jewish Estimate Other Theology 87 108,280 31.8
Lutheran Church--Missouri Synod Evangelical Protestant 37 13,317 3.9
Mennonite Church USA Evangelical Protestant 3 231 0.1
Muslim Estimate Other Theology 20 29,647 8.7
National Association of Congregational Christian Churches Mainline Protestant 30 4,370 1.3
North American Baptist Conference Evangelical Protestant 1 12 0.0
Orthodox Church in America: Albanian Orthodox Archdiocese Orthodox 1 225 0.1
Orthodox Church in America: Romanian Orthodox Episcopate of America Orthodox 1 312 0.1
Orthodox Church in America: Territorial Dioceses Orthodox 15 2,549 0.8
Orthodox Presbyterian Church, The Evangelical Protestant 2 219 0.1
Pentecostal Church of God Evangelical Protestant 1 80 0.0
Presbyterian Church (U.S.A.) Mainline Protestant 20 8,952 2.6
Presbyterian Church in America Evangelical Protestant 6 458 0.1
Reformed Baptist Churches Evangelical Protestant 2 n.a. n.a.
Russian Orthodox Church Outside of Russia Orthodox 4 n.a. n.a.
Salvation Army, The Evangelical Protestant 23 3,890 1.1
Seventh-day Adventist Church Evangelical Protestant 36 5,934 1.7
Sikh Other Theology 3 n.a. n.a.
Southern Baptist Convention Evangelical Protestant 32 5,681 1.7
Southwide Baptist Fellowship Evangelical Protestant 2 n.a. n.a.
Ukrainian Orthodox Church of the USA Orthodox 5 2,049 0.6
Unitarian Universalist Association of Congregations Other Theology 19 4,022 1.2
United Church of Christ Mainline Protestant 253 124,770 36.6
United Methodist Church, The Mainline Protestant 133 51,183 15.0
Universal Fellowship of Metropolitan Community Churches Mainline Protestant 2 118 0.0
Vineyard USA Evangelical Protestant 3 384 0.1
Wesleyan Church, The Evangelical Protestant 2 420 0.1
Wisconsin Evangelical Lutheran Synod Evangelical Protestant 2 282 0.1
Totals (Unadjusted)*: 1,955 1,971,102  
Total (Adjusted)**:   2,329,500  
The population of these 8 counties (or equivalents) in 1990 was 3,287,116; in 2000 it was 3,405,565. The total population changed 3.6%. The unadjusted adherent totals of the religious groups listed above (1,971,102) include 57.9% of the total population in 2000. The adjusted total adherents (2,329,500) include 68.4% 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]