County 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† |
| Catholic Church |
Catholic |
Catholicism |
101 |
303,975 |
352.44 |
| United Church of Christ |
Mainline Protestant |
Presbyterian-Reformed |
46 |
18,436 |
21.38 |
| Non-denominational |
Evangelical Protestant |
---- |
67 |
17,153 |
19.89 |
| Episcopal Church |
Mainline Protestant |
Episcopalianism/Anglicanism |
39 |
12,239 |
14.19 |
| United Methodist Church, The |
Mainline Protestant |
Methodist/Pietist |
19 |
8,912 |
10.33 |
| American Baptist Churches in the USA |
Mainline Protestant |
Baptist |
19 |
7,900 |
9.16 |
| Conservative Judaism |
Other |
Judaism |
7 |
5,090 |
5.90 |
| Assemblies of God |
Evangelical Protestant |
Pentecostal |
30 |
4,535 |
5.26 |
| Muslim Estimate |
Other |
Other Groups |
10 |
4,432 |
5.14 |
| Evangelical Lutheran Church in America |
Mainline Protestant |
Lutheran |
16 |
4,196 |
4.87 |
| Reform Judaism |
Other |
Judaism |
5 |
4,020 |
4.66 |
| Church of Jesus Christ of Latter-day Saints, The |
Other |
Latter-day Saints |
6 |
3,010 |
3.49 |
| Greek Orthodox Archdiocese of America |
Orthodox |
Eastern Liturgical (Orthodox) |
4 |
2,446 |
2.84 |
| African Methodist Episcopal Zion Church |
Black Protestant |
Methodist/Pietist |
7 |
1,864 |
2.16 |
| Seventh-day Adventist Church |
Evangelical Protestant |
Adventist |
12 |
1,831 |
2.12 |
| Orthodox Judaism |
Other |
Judaism |
13 |
1,700 |
1.97 |
| Church of God in Christ |
Black Protestant |
Pentecostal |
12 |
1,660 |
1.92 |
| Church of God (Cleveland, Tennessee) |
Evangelical Protestant |
Pentecostal |
19 |
1,637 |
1.90 |
| Lutheran Church--Missouri Synod |
Evangelical Protestant |
Lutheran |
7 |
1,635 |
1.90 |
| Southern Baptist Convention |
Evangelical Protestant |
Baptist |
9 |
1,028 |
1.19 |
| Evangelical Free Church of America, The |
Evangelical Protestant |
Methodist/Pietist |
7 |
980 |
1.14 |
| Churches of Christ |
Evangelical Protestant |
Baptist |
6 |
892 |
1.03 |
| Orthodox Church in America |
Orthodox |
Eastern Liturgical (Orthodox) |
5 |
855 |
0.99 |
| African Methodist Episcopal Church |
Black Protestant |
Methodist/Pietist |
2 |
842 |
0.98 |
| National Baptist Convention of America, Inc. |
Black Protestant |
Baptist |
1 |
842 |
0.98 |
| Converge Worldwide/Baptist General Conference |
Evangelical Protestant |
Baptist |
5 |
840 |
0.97 |
| Unitarian Universalist Association of Congregations |
Other |
Liberal |
4 |
829 |
0.96 |
| Presbyterian Church (U.S.A.) |
Mainline Protestant |
Presbyterian-Reformed |
4 |
767 |
0.89 |
| Salvation Army |
Evangelical Protestant |
Holiness |
5 |
765 |
0.89 |
| United Catholic Church, Inc. |
Catholic |
Catholicism |
1 |
702 |
0.81 |
| Christian and Missionary Alliance, The |
Evangelical Protestant |
Holiness |
4 |
530 |
0.61 |
| Christian Methodist Episcopal Church |
Black Protestant |
Methodist/Pietist |
2 |
481 |
0.56 |
| Vineyard USA |
Evangelical Protestant |
Pentecostal |
3 |
471 |
0.55 |
| Coptic Orthodox Church |
Orthodox |
Eastern Liturgical (Orthodox) |
1 |
390 |
0.45 |
| National Missionary Baptist Convention, Inc. |
Black Protestant |
Baptist |
2 |
361 |
0.42 |
| Buddhism, Mahayana |
Other |
Other Groups |
4 |
330 |
0.38 |
| Christian Churches and Churches of Christ |
Evangelical Protestant |
Baptist |
3 |
268 |
0.31 |
| National Association of Congregational Christian Churches |
Mainline Protestant |
Presbyterian-Reformed |
2 |
247 |
0.29 |
| Progressive National Baptist Convention, Inc. |
Black Protestant |
Baptist |
1 |
241 |
0.28 |
| Bahá'í |
Other |
Other Groups |
1 |
194 |
0.22 |
| Church of God of Prophecy |
Evangelical Protestant |
Pentecostal |
3 |
183 |
0.21 |
| National Baptist Convention, USA, Inc. |
Black Protestant |
Baptist |
1 |
180 |
0.21 |
| Presbyterian Church in America |
Evangelical Protestant |
Presbyterian-Reformed |
1 |
179 |
0.21 |
| Hindu, Post Renaissance |
Other |
Other Groups |
4 |
169 |
0.20 |
| Buddhism, Vajrayana |
Other |
Other Groups |
4 |
157 |
0.18 |
| Church of the Nazarene |
Evangelical Protestant |
Holiness |
2 |
129 |
0.15 |
| Pentecostal Church of God |
Evangelical Protestant |
Pentecostal |
1 |
109 |
0.13 |
| Church of God (Anderson, Indiana) |
Evangelical Protestant |
Holiness |
1 |
100 |
0.12 |
| Friends General Conference and Friends United Meeting, dually aligned meetings* |
Mainline Protestant |
European Free-Church |
1 |
89 |
0.10 |
| Foursquare Gospel, International Church of the |
Evangelical Protestant |
Pentecostal |
1 |
82 |
0.10 |
| Evangelical Covenant Church, The |
Evangelical Protestant |
Methodist/Pietist |
2 |
77 |
0.09 |
| Metropolitan Community Churches, Universal Fellowship of |
Mainline Protestant |
Other Groups |
1 |
65 |
0.08 |
| Orthodox Presbyterian Church, The |
Evangelical Protestant |
Presbyterian-Reformed |
1 |
60 |
0.07 |
| Ukrainian Orthodox Church of the USA |
Orthodox |
Eastern Liturgical (Orthodox) |
1 |
40 |
0.05 |
| Zoroastrian |
Other |
Other Groups |
0 |
12 |
0.01 |
| Christian Church (Disciples of Christ) |
Mainline Protestant |
Baptist |
1 |
0 |
0.00 |
| Anglican Church in North America |
Evangelical Protestant |
Episcopalianism/Anglicanism |
2 |
--- |
--- |
| Association of Reformed Baptist Churches of America |
Evangelical Protestant |
Baptist |
1 |
--- |
--- |
| Calvary Chapel Fellowship Churches |
Evangelical Protestant |
Pentecostal |
1 |
--- |
--- |
| Christian Brethren |
Evangelical Protestant |
Ind. Fundamentalist |
2 |
--- |
--- |
| Church of Christ, Scientist |
Other |
Christian Science |
3 |
--- |
--- |
| Church of God (Seventh Day) |
Evangelical Protestant |
Adventist |
1 |
--- |
--- |
| Church of Our Lord Jesus Christ of the Apostolic Faith, Inc. |
Black Protestant |
Pentecostal |
4 |
--- |
--- |
| Conservative Baptist Association of America |
Evangelical Protestant |
Baptist |
1 |
--- |
--- |
| Elim Fellowship |
Evangelical Protestant |
Pentecostal |
1 |
--- |
--- |
| International Council of Community Churches |
Mainline Protestant |
Presbyterian-Reformed |
1 |
--- |
--- |
| International Fellowship of Christian Assemblies |
Evangelical Protestant |
---- |
1 |
--- |
--- |
| Jehovah's Witnesses |
Other |
Adventist |
14 |
--- |
--- |
| Korean Presbyterian Church in America |
Evangelical Protestant |
Presbyterian-Reformed |
2 |
--- |
--- |
| New Apostolic Church of North America, National Organization of the |
Other |
Other Groups |
2 |
--- |
--- |
| North American Baptist Conference |
Evangelical Protestant |
Baptist |
1 |
--- |
--- |
| Pentecostal Fire-Baptized Holiness Church |
Evangelical Protestant |
Pentecostal |
1 |
--- |
--- |
| Polish National Catholic Church |
Catholic |
Catholicism |
2 |
--- |
--- |
| Reformed Baptist Churches |
Evangelical Protestant |
Baptist |
1 |
--- |
--- |
| Tao |
Other |
Other Groups |
1 |
--- |
--- |
| Union of Messianic Jewish Congregations |
Other |
Judaism |
1 |
--- |
--- |
| United Holy Church of America, Inc. |
Black Protestant |
Pentecostal |
3 |
--- |
--- |
| United Pentecostal Church International |
Evangelical Protestant |
Pentecostal |
4 |
--- |
--- |
| | Totals: | 586 | 421,157 | | |
The population of New Haven County, Connecticut was 862,477 in 2010; in 2000 it was 824,008. The total population changed 4.7%. The adherent totals of the religious groups listed above (421,157) included 48.8% of the total population in 2010.
*
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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