State Membership Report
 Maps and Reports > Select State > State Report
Search Maps & Reports:

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