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 % Change
American Baptist Churches in the USA Mainline Protestant -9 +1,124 2.0%
American Carpatho-Russian Orthodox Greek Catholic Church Orthodox +4 +1,913 n.a.
Apostolic Catholic Assyrian Church of the East, North American Dioceses Orthodox +1 +516 n.a.
Apostolic Christian Church of America, Inc. Evangelical Protestant +1 +575 n.a.
Apostolic Christian Churches (Nazarene) Evangelical Protestant 0 +15 75.0%
Armenian Apostolic Church / Catholicossate of Cilicia Orthodox 0 +70 20.0%
Assemblies of God Evangelical Protestant +33 +4,773 48.0%
Baptist General Conference Evangelical Protestant +1 +1,709 87.0%
Catholic Church Catholic -27 -18,045 -1.0%
Christian and Missionary Alliance, The Evangelical Protestant +11 +863 95.0%
Christian Church (Disciples of Christ) Mainline Protestant -1 -163 -22.0%
Christian Churches and Churches of Christ Evangelical Protestant +1 +49 13.0%
Christian Reformed Church in North America Evangelical Protestant +1 +429 292.0%
Church of God (Anderson, Indiana) Evangelical Protestant -1 -75 -29.0%
Church of God (Cleveland, Tennessee) Evangelical Protestant +27 +5,524 423.0%
Church of God of Prophecy Evangelical Protestant +7 +678 n.a.
Church of Jesus Christ of Latter-day Saints, The Other Theology +21 +4,795 100.0%
Church of the Nazarene Evangelical Protestant +10 +136 7.0%
Churches of Christ Evangelical Protestant +4 +388 19.0%
Congregational Christian Churches, Additional (not part of any national CCC body) Mainline Protestant +6 +1,607 n.a.
Conservative Baptist Association of America Evangelical Protestant 0 -441 -23.0%
Conservative Congregational Christian Conference Evangelical Protestant +5 +591 547.0%
Episcopal Church Mainline Protestant 0 -33,774 -32.0%
Evangelical Covenant Church, The Evangelical Protestant 0 +408 13.0%
Evangelical Free Church of America, The Evangelical Protestant +4 +2,117 171.0%
Evangelical Lutheran Church in America Mainline Protestant -2 -8,936 -22.0%
Free Methodist Church of North America Evangelical Protestant +2 +508 n.a.
Friends (Quakers) Mainline Protestant +1 -358 -39.0%
Greek Orthodox Archdiocese of America Orthodox +14 +10,635 n.a.
Independent, Charismatic Churches Evangelical Protestant +1 +1,800 n.a.
Independent, Non-Charismatic Churches Evangelical Protestant +7 +3,740 n.a.
International Church of the Foursquare Gospel Evangelical Protestant +5 +339 n.a.
Jewish Estimate Other Theology +29 +85,032 366.0%
Lutheran Church--Missouri Synod Evangelical Protestant +2 -2,887 -18.0%
National Association of Congregational Christian Churches Mainline Protestant +6 -1,440 -25.0%
North American Baptist Conference Evangelical Protestant 0 -33 -73.0%
Orthodox Church in America: Albanian Orthodox Archdiocese Orthodox +1 +225 n.a.
Orthodox Church in America: Romanian Orthodox Episcopate of America Orthodox +1 +312 n.a.
Orthodox Church in America: Territorial Dioceses Orthodox +15 +2,549 n.a.
Orthodox Presbyterian Church, The Evangelical Protestant +1 +137 167.0%
Pentecostal Church of God Evangelical Protestant +1 +80 n.a.
Presbyterian Church (U.S.A.) Mainline Protestant +4 -1,898 -18.0%
Presbyterian Church in America Evangelical Protestant +4 +308 205.0%
Salvation Army, The Evangelical Protestant +4 -2,248 -37.0%
Seventh-day Adventist Church Evangelical Protestant +11 +2,343 65.0%
Southern Baptist Convention Evangelical Protestant +14 +1,066 23.0%
Ukrainian Orthodox Church of the USA Orthodox +2 +1,474 256.0%
Unitarian Universalist Association of Congregations Other Theology 0 -257 -6.0%
United Church of Christ Mainline Protestant -9 -6,223 -5.0%
United Methodist Church, The Mainline Protestant -3 -10,013 -16.0%
Universal Fellowship of Metropolitan Community Churches Mainline Protestant 0 -72 -38.0%
Wesleyan Church, The Evangelical Protestant +2 +420 n.a.
Wisconsin Evangelical Lutheran Synod Evangelical Protestant 0 +93 49.0%
  Totals: 212 52,478 +2.8%

The population of these 8 counties (or equivalents) in 1980 was 3,107,576; in 2000 it was 3,405,565. The total population changed 3.6%. The adherent totals for 1980 (1,908,645) represent 61.4% of the 1980 population. The adherent totals for 2000 (1,971,102) include 57.9% of the 2000 population. There is sufficient data for 53 groups to calculate 1980-2000 change. These 53 groups had 1,882,965 adherents in 1980 and 1,935,443 adherents in 2000, for a change of 2.8%

Sources

The 2000 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and includes statistics for 149 religious groups, including number of churches and adherents. Dale E. Jones, Sherri Doty, Clifford Grammich, James E. Horsch, Richard Houseal, Mac Lynn, John P. Marcum, Kenneth M. Sanchagrin and Richard H. Taylor supervised the collection. These data originally appeared in Religious Congregations & Membership in the United States, 2000, published by the Glenmary Research Center.

The 1980 data were collected by the Glenmary Research Center and include statistics for 111 Judeo-Christian church bodies, including number of churches and adherents. Bernard Quinn, Herman Anderson, Martin Bradley, Paul Goetting and Peggy Shriver supervised the collection. These data originally appeared in Churches and Church Membership in the United States, 1980, published by the Glenmary Research Center.

[More information on these data sources]