State Membership Report
Religious Traditions, 2010
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Congregational adherents include all full members, their children, and others who regularly attend services. The 2010 reports contain incomplete counts of congregations and adherents belonging to the eight largest historically African-American denominations. These denominations are not included in the 2000 reports and are largely missing from the 1990 and 1980 reports.
[More information on the data sources]
Reports
|
Religious Bodies |
Tradition |
Family |
Congregations |
Adherents |
Adherence Rate† |
Advent Christian Church |
Evangelical Protestant |
Adventist |
10 |
1,112 |
0.36 |
African Methodist Episcopal Zion Church |
Black Protestant |
Methodist/Pietist |
29 |
21,468 |
6.91 |
American Baptist Churches in the USA |
Mainline Protestant |
Baptist |
125 |
44,101 |
14.19 |
American Carpatho-Russian Orthodox Diocese |
Orthodox |
Eastern Liturgical (Orthodox) |
0 |
0 |
0.00 |
Apostolic Catholic Assyrian Church of the East, North American Dioceses |
Orthodox |
Eastern Liturgical (Orthodox) |
0 |
0 |
0.00 |
Apostolic Christian Church of America, Inc. |
Evangelical Protestant |
European Free-Church |
0 |
0 |
0.00 |
Apostolic Christian Churches (Nazarene) |
Evangelical Protestant |
European Free-Church |
1 |
20 |
0.01 |
Armenian Apostolic Church of America (Catholicosate of Cilicia) |
Orthodox |
Eastern Liturgical (Orthodox) |
1 |
350 |
0.11 |
Assemblies of God |
Evangelical Protestant |
Pentecostal |
51 |
9,859 |
3.17 |
Black Baptists Estimate |
Evangelical Protestant |
Baptist |
0 |
0 |
0.00 |
Catholic Church |
Catholic |
Catholicism |
438 |
1,390,607 |
447.49 |
Christian and Missionary Alliance, The |
Evangelical Protestant |
Holiness |
9 |
1,035 |
0.33 |
Christian Brethren |
Evangelical Protestant |
Ind. Fundamentalist |
17 |
1,960 |
0.63 |
Christian Church (Disciples of Christ) |
Mainline Protestant |
Baptist |
5 |
758 |
0.24 |
Christian Churches and Churches of Christ |
Evangelical Protestant |
Baptist |
6 |
379 |
0.12 |
Christian Methodist Episcopal Church |
Black Protestant |
Methodist/Pietist |
7 |
3,678 |
1.18 |
Christian Reformed Church in North America |
Evangelical Protestant |
Presbyterian-Reformed |
1 |
147 |
0.05 |
Church of Christ, Scientist |
Other |
Christian Science |
0 |
0 |
0.00 |
Church of God (Anderson, Indiana) |
Evangelical Protestant |
Holiness |
3 |
255 |
0.08 |
Church of God (Cleveland, Tennessee) |
Evangelical Protestant |
Pentecostal |
18 |
1,305 |
0.42 |
Church of God of Prophecy |
Evangelical Protestant |
Pentecostal |
0 |
0 |
0.00 |
Church of Jesus Christ of Latter-day Saints, The |
Other |
Latter-day Saints |
13 |
4,798 |
1.54 |
Church of the Lutheran Brethren of America |
Evangelical Protestant |
Lutheran |
1 |
216 |
0.07 |
Church of the Nazarene |
Evangelical Protestant |
Holiness |
10 |
1,828 |
0.59 |
Churches of Christ |
Evangelical Protestant |
Baptist |
21 |
2,022 |
0.65 |
Congregational Christian Churches, Additional (not part of any national CCC body) |
Mainline Protestant |
Presbyterian-Reformed |
0 |
0 |
0.00 |
Conservative Baptist Association of America |
Evangelical Protestant |
Baptist |
15 |
2,061 |
0.66 |
Conservative Congregational Christian Conference |
Evangelical Protestant |
Presbyterian-Reformed |
1 |
108 |
0.03 |
Converge Worldwide/Baptist General Conference |
Evangelical Protestant |
Baptist |
12 |
1,962 |
0.63 |
Episcopal Church |
Mainline Protestant |
Episcopalianism/Anglicanism |
186 |
107,324 |
34.54 |
Estonian Evangelical Lutheran Church |
Mainline Protestant |
Lutheran |
1 |
578 |
0.19 |
Evangelical Covenant Church, The |
Evangelical Protestant |
Methodist/Pietist |
15 |
3,101 |
1.00 |
Evangelical Free Church of America, The |
Evangelical Protestant |
Methodist/Pietist |
12 |
1,236 |
0.40 |
Evangelical Lutheran Church in America |
Mainline Protestant |
Lutheran |
76 |
40,896 |
13.16 |
Foursquare Gospel, International Church of the |
Evangelical Protestant |
Pentecostal |
0 |
0 |
0.00 |
Friends (Quakers) |
Mainline Protestant |
European Free-Church |
9 |
916 |
0.29 |
General Church of the New Jerusalem |
Other |
Spiritualist |
1 |
24 |
0.01 |
Greek Orthodox Archdiocese of America |
Orthodox |
Eastern Liturgical (Orthodox) |
0 |
0 |
0.00 |
Hutterian Brethren |
Evangelical Protestant |
Communal |
0 |
0 |
0.00 |
Independent Fundamental Churches of America |
Evangelical Protestant |
Ind. Fundamentalist |
0 |
0 |
0.00 |
Independent, Charismatic Churches |
Evangelical Protestant |
Pentecostal |
0 |
0 |
0.00 |
Independent, Non-Charismatic Churches |
Evangelical Protestant |
---- |
0 |
0 |
0.00 |
International Pentecostal Holiness Church |
Evangelical Protestant |
Pentecostal |
0 |
0 |
0.00 |
Jewish |
Other |
Judaism |
58 |
23,248 |
7.48 |
Latvian Evangelical Lutheran Church in America |
Mainline Protestant |
Lutheran |
4 |
561 |
0.18 |
Lutheran Church--Missouri Synod |
Evangelical Protestant |
Lutheran |
35 |
16,204 |
5.21 |
Mennonite Church |
Evangelical Protestant |
European Free-Church |
1 |
93 |
0.03 |
Metropolitan Community Churches, Universal Fellowship of |
Mainline Protestant |
Other Groups |
2 |
240 |
0.08 |
National Association of Congregational Christian Churches |
Mainline Protestant |
Presbyterian-Reformed |
24 |
5,810 |
1.87 |
North American Baptist Conference |
Evangelical Protestant |
Baptist |
2 |
141 |
0.05 |
Open Bible Standard Churches, Inc. |
Evangelical Protestant |
Pentecostal |
0 |
0 |
0.00 |
Orthodox Church in America |
Orthodox |
Eastern Liturgical (Orthodox) |
0 |
0 |
0.00 |
Orthodox Church in America: Albanian Orthodox Archdiocese |
Orthodox |
Eastern Liturgical (Orthodox) |
0 |
0 |
0.00 |
Orthodox Church in America: Romanian Orthodox Episcopate of America |
Orthodox |
Eastern Liturgical (Orthodox) |
0 |
0 |
0.00 |
Orthodox Presbyterian Church, The |
Evangelical Protestant |
Presbyterian-Reformed |
1 |
82 |
0.03 |
Pentecostal Church of God |
Evangelical Protestant |
Pentecostal |
0 |
0 |
0.00 |
Presbyterian Church (U.S.A.) |
Mainline Protestant |
Presbyterian-Reformed |
16 |
10,850 |
3.49 |
Presbyterian Church in America |
Evangelical Protestant |
Presbyterian-Reformed |
2 |
150 |
0.05 |
Salvation Army |
Evangelical Protestant |
Holiness |
19 |
6,138 |
1.98 |
Seventh Day Baptist General Conference, USA and Canada |
Evangelical Protestant |
Baptist |
2 |
89 |
0.03 |
Seventh-day Adventist Church |
Evangelical Protestant |
Adventist |
25 |
3,591 |
1.16 |
Southern Baptist Convention |
Evangelical Protestant |
Baptist |
18 |
4,615 |
1.49 |
Ukrainian Orthodox Church of the USA |
Orthodox |
Eastern Liturgical (Orthodox) |
3 |
575 |
0.19 |
Unitarian Universalist Association of Congregations |
Other |
Liberal |
19 |
4,279 |
1.38 |
United Church of Christ |
Mainline Protestant |
Presbyterian-Reformed |
262 |
130,993 |
42.15 |
United Methodist Church, The |
Mainline Protestant |
Methodist/Pietist |
136 |
61,196 |
19.69 |
Wesleyan Church, The |
Evangelical Protestant |
Holiness |
0 |
0 |
0.00 |
Wisconsin Evangelical Lutheran Synod |
Evangelical Protestant |
Lutheran |
2 |
189 |
0.06 |
| | Totals: | 1,725 | 1,913,148 | |
The population of Connecticut was 3,107,576 in 1980. The adherent totals of the religious groups listed above (1,913,148) included 61.6% of the total population in 1980.
*
In an effort to better match the ASARB standards for adherents, a few religious bodies changed the way their adherents were reported in 2010, including the Catholic Church, Amish groups, Friends groups, Jewish groups, the Church of Jesus Christ of Latter-day Saints, Non-denominational Christian Churches, and the United Methodist Church. This change does not affect any of the data in the newly released 2010 U.S. Religion Census: Religious Congregations & Membership Study. In fact, the data for these groups are now more comparable to that of other bodies than it was in previous decadal reports.
However, the change in methodology can distort assessments on growth or decline between 2000 and 2010 for each of these groups. County-level 2000 data using the new methodology are not readily available. ASARB staff has adjusted some 2000 county-level adherent statistics to allow for a more accurate picture on growth or decline. The revised maps and charts are now available on-line at www.usreligioncensus.org for those who are interested in these trends.
Source
2010 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include statistics for 236 religious groups, providing information on the number of their congregations and adherents within each state and county in the United States. Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E. Jones, Alexei Krindatch, Richie Stanley and Richard H. Taylor supervised the collection. These data originally appeared in 2010 U.S. Religion Census: Religious Congregations & Membership Study, published by the Association of Statisticians of American Religious Bodies (ASARB). [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 2010 the Episcopal Church had an adherence rate of 7.6 in Autauga County, Alabama. This means that about 8 out of every 1,000 people in Autauga County were Episcopalian.
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