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^†
Catholic Church	Catholic	416	1,374,747	418.2
United Church of Christ	Mainline Protestant	260	135,231	41.1
Episcopal Church	Mainline Protestant	186	78,804	24.0
United Methodist Church, The	Mainline Protestant	134	56,372	17.2
American Baptist Churches in the USA	Mainline Protestant	127	48,208	14.7
Jewish Estimate	Other Theology	106	115,460	35.1
Assemblies of God	Evangelical Protestant	76	14,060	4.3
Evangelical Lutheran Church in America	Mainline Protestant	76	35,537	10.8
Lutheran Church--Missouri Synod	Evangelical Protestant	36	15,206	4.6
African Methodist Episcopal Zion Church	Evangelical Protestant	31	22,155	6.7
Churches of Christ	Evangelical Protestant	31	2,438	0.7
Church of God (Cleveland, Tennessee)	Evangelical Protestant	30	3,569	1.1
Seventh-day Adventist Church	Evangelical Protestant	28	4,837	1.5
Southern Baptist Convention	Evangelical Protestant	28	8,925	2.7
National Association of Congregational Christian Churches	Mainline Protestant	26	4,491	1.4
Church of Christ, Scientist	Other Theology	26	n.a.	n.a.
Church of Jesus Christ of Latter-day Saints, The	Other Theology	24	8,075	2.5
Presbyterian Church (U.S.A.)	Mainline Protestant	20	10,191	3.1
Unitarian Universalist Association of Congregations	Other Theology	20	4,167	1.3
Church of the Nazarene	Evangelical Protestant	19	2,453	0.8
Salvation Army, The	Evangelical Protestant	18	1,461	0.4
Independent, Charismatic Churches	Evangelical Protestant	16	9,815	3.0
Greek Orthodox Archdiocese of America	Orthodox	16	n.a.	n.a.
Evangelical Free Church of America, The	Evangelical Protestant	16	2,519	0.8
Christian Brethren	Evangelical Protestant	15	2,178	0.7
Conservative Baptist Association of America	Evangelical Protestant	14	n.a.	n.a.
Baptist General Conference	Evangelical Protestant	13	2,412	0.7
Orthodox Church in America: Territorial Dioceses	Orthodox	12	n.a.	n.a.
Congregational Christian Churches, Additional (not part of any national CCC body)	Mainline Protestant	12	4,240	1.3
Christian and Missionary Alliance, The	Evangelical Protestant	12	1,363	0.4
Friends (Quakers)	Mainline Protestant	10	791	0.2
Church of God of Prophecy	Evangelical Protestant	10	342	0.1
Advent Christian Church	Evangelical Protestant	9	640	0.2
Independent, Non-Charismatic Churches	Evangelical Protestant	9	3,540	1.1
Christian Churches and Churches of Christ	Evangelical Protestant	8	530	0.2
International Church of the Foursquare Gospel	Evangelical Protestant	5	152	0.1
Christian Church (Disciples of Christ)	Mainline Protestant	5	683	0.2
American Carpatho-Russian Orthodox Greek Catholic Church	Orthodox	4	1,333	0.4
Conservative Congregational Christian Conference	Evangelical Protestant	4	280	0.1
Independent Fundamental Churches of America	Evangelical Protestant	3	n.a.	n.a.
Mennonite Church USA	Evangelical Protestant	3	195	0.1
Presbyterian Church in America	Evangelical Protestant	3	190	0.1
Church of God (Anderson, Indiana)	Evangelical Protestant	2	310	0.1
Seventh Day Baptist General Conference, USA and Canada	Evangelical Protestant	2	89	0.0
Church of the Lutheran Brethren of America	Evangelical Protestant	2	164	0.1
Latvian Evangelical Lutheran Church in America	Mainline Protestant	2	228	0.1
Wisconsin Evangelical Lutheran Synod	Evangelical Protestant	2	244	0.1
Christ Catholic Church	Evangelical Protestant	1	4	0.0
Armenian Apostolic Church / Catholicossate of Cilicia	Orthodox	1	1,600	0.5
Apostolic Christian Churches (Nazarean)	Evangelical Protestant	1	22	0.0
Apostolic Christian Church of America, Inc.	Evangelical Protestant	1	595	0.2
Apostolic Catholic Assyrian Church of the East, North American Dioceses	Orthodox	1	488	0.2
Christian Reformed Church in North America	Evangelical Protestant	1	263	0.1
Wesleyan Church, The	Evangelical Protestant	1	165	0.1
Pentecostal Church of God	Evangelical Protestant	1	85	0.0
International Pentecostal Holiness Church	Evangelical Protestant	1	39	0.0
Ukrainian Orthodox Church of the USA	Orthodox	1	n.a.	n.a.
North American Baptist Conference	Evangelical Protestant	1	37	0.0
Hutterian Brethren	Evangelical Protestant	1	225	0.1
Estonian Evangelical Lutheran Church	Mainline Protestant	1	690	0.2
Free Methodist Church of North America	Evangelical Protestant	1	199	0.1
Open Bible Standard Churches, Inc.	Evangelical Protestant	1	n.a.	n.a.
Orthodox Church in America: Albanian Orthodox Archdiocese	Orthodox	1	n.a.	n.a.
Orthodox Church in America: Romanian Orthodox Episcopate of America	Orthodox	1	n.a.	n.a.
Black Baptists Estimate	Evangelical Protestant	n.a.	64,609	19.7
	*Totals (Unadjusted)^:**	1,944	2,047,646

The population of these counties (or equivalents) in 1990 was 3,287,116. The adherent totals of the religious groups listed above (2,047,646) include 62.3% of the total population in 1990.

Source

The 1990 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include statistics for 132 religious groups, including number of churches and adherents. Martin B. Bradley, Norman M. Green, Jr., Dale E. Jones, Mac Lynn, and Lou McNeil supervised the collection. These data originally appeared in Churches and Church Membership in the United States, 1990, published by the Glenmary Research Center.

[More information on the data collection]

^†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.