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
Conservative Congregational Christian Conference	Evangelical Protestant	+5	+591	547.0%
Church of God (Cleveland, Tennessee)	Evangelical Protestant	+27	+5,524	423.0%
Jewish Estimate	Other Theology	+29	+85,032	366.0%
Christian Reformed Church in North America	Evangelical Protestant	+1	+429	292.0%
Ukrainian Orthodox Church of the USA	Orthodox	+2	+1,474	256.0%
Presbyterian Church in America	Evangelical Protestant	+4	+308	205.0%
Evangelical Free Church of America, The	Evangelical Protestant	+4	+2,117	171.0%
Orthodox Presbyterian Church, The	Evangelical Protestant	+1	+137	167.0%
Church of Jesus Christ of Latter-day Saints, The	Other Theology	+21	+4,795	100.0%
Christian and Missionary Alliance, The	Evangelical Protestant	+11	+863	95.0%
Baptist General Conference	Evangelical Protestant	+1	+1,709	87.0%
Apostolic Christian Churches (Nazarene)	Evangelical Protestant	0	+15	75.0%
Seventh-day Adventist Church	Evangelical Protestant	+11	+2,343	65.0%
Wisconsin Evangelical Lutheran Synod	Evangelical Protestant	0	+93	49.0%
Assemblies of God	Evangelical Protestant	+33	+4,773	48.0%
Southern Baptist Convention	Evangelical Protestant	+14	+1,066	23.0%
Armenian Apostolic Church / Catholicossate of Cilicia	Orthodox	0	+70	20.0%
Churches of Christ	Evangelical Protestant	+4	+388	19.0%
Evangelical Covenant Church, The	Evangelical Protestant	0	+408	13.0%
Christian Churches and Churches of Christ	Evangelical Protestant	+1	+49	13.0%
Church of the Nazarene	Evangelical Protestant	+10	+136	7.0%
American Baptist Churches in the USA	Mainline Protestant	-9	+1,124	2.0%
Catholic Church	Catholic	-27	-18,045	-1.0%
United Church of Christ	Mainline Protestant	-9	-6,223	-5.0%
Unitarian Universalist Association of Congregations	Other Theology	0	-257	-6.0%
United Methodist Church, The	Mainline Protestant	-3	-10,013	-16.0%
Lutheran Church--Missouri Synod	Evangelical Protestant	+2	-2,887	-18.0%
Presbyterian Church (U.S.A.)	Mainline Protestant	+4	-1,898	-18.0%
Christian Church (Disciples of Christ)	Mainline Protestant	-1	-163	-22.0%
Evangelical Lutheran Church in America	Mainline Protestant	-2	-8,936	-22.0%
Conservative Baptist Association of America	Evangelical Protestant	0	-441	-23.0%
National Association of Congregational Christian Churches	Mainline Protestant	+6	-1,440	-25.0%
Church of God (Anderson, Indiana)	Evangelical Protestant	-1	-75	-29.0%
Episcopal Church	Mainline Protestant	0	-33,774	-32.0%
Salvation Army, The	Evangelical Protestant	+4	-2,248	-37.0%
Universal Fellowship of Metropolitan Community Churches	Mainline Protestant	0	-72	-38.0%
Friends (Quakers)	Mainline Protestant	+1	-358	-39.0%
North American Baptist Conference	Evangelical Protestant	0	-33	-73.0%
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.
Wesleyan Church, The	Evangelical Protestant	+2	+420	n.a.
Pentecostal Church of God	Evangelical Protestant	+1	+80	n.a.
Orthodox Church in America: Territorial Dioceses	Orthodox	+15	+2,549	n.a.
Free Methodist Church of North America	Evangelical Protestant	+2	+508	n.a.
Orthodox Church in America: Albanian Orthodox Archdiocese	Orthodox	+1	+225	n.a.
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.
Independent, Non-Charismatic Churches	Evangelical Protestant	+7	+3,740	n.a.
Independent, Charismatic Churches	Evangelical Protestant	+1	+1,800	n.a.
Greek Orthodox Archdiocese of America	Orthodox	+14	+10,635	n.a.
Church of God of Prophecy	Evangelical Protestant	+7	+678	n.a.
Orthodox Church in America: Romanian Orthodox Episcopate of America	Orthodox	+1	+312	n.a.
	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]