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Hartford-West Hartford-East Hartford, CT, Metropolitan Statistical Area

Religious Traditions, 2010

58,666 9,420 99,715 368,503 3,850 32,406 639,821
Evangelical Protestant Black Protestant Mainline Protestant Catholic Orthodox Other Unclaimed

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]


Religious Bodies Tradition Family Congregations Adherents Adherence Rate
Catholic Church Catholic Catholicism 130 464,653 413.51
United Church of Christ Mainline Protestant Presbyterian-Reformed 97 56,919 50.65
Jewish Other Judaism 38 29,325 26.10
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism 55 23,367 20.80
Black Baptists Estimate Evangelical Protestant Baptist --- 22,592 20.11
United Methodist Church, The Mainline Protestant Methodist/Pietist 46 18,980 16.89
Evangelical Lutheran Church in America Mainline Protestant Lutheran 34 16,820 14.97
American Baptist Churches in the USA Mainline Protestant Baptist 40 16,344 14.55
African Methodist Episcopal Zion Church Black Protestant Methodist/Pietist 12 9,101 8.10
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran 12 5,416 4.82
Assemblies of God Evangelical Protestant Pentecostal 20 3,381 3.01
Independent, Charismatic Churches Evangelical Protestant Pentecostal 6 3,090 2.75
Southern Baptist Convention Evangelical Protestant Baptist 11 2,390 2.13
National Association of Congregational Christian Churches Mainline Protestant Presbyterian-Reformed 4 2,322 2.07
Seventh-day Adventist Church Evangelical Protestant Adventist 9 2,185 1.94
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints 5 1,975 1.76
Unitarian Universalist Association of Congregations Other Liberal 6 1,738 1.55
Armenian Apostolic Church of America (Catholicosate of Cilicia) Orthodox Eastern Liturgical (Orthodox) 1 1,600 1.42
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed 5 1,486 1.32
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal 9 1,420 1.26
Independent, Non-Charismatic Churches Evangelical Protestant
4 1,340 1.19
Converge Worldwide/Baptist General Conference Evangelical Protestant Baptist 7 1,318 1.17
Congregational Christian Churches, Additional (not part of any national CCC body) Mainline Protestant Presbyterian-Reformed 2 1,279 1.14
Church of the Nazarene Evangelical Protestant Holiness 8 1,010 0.90
Churches of Christ Evangelical Protestant Baptist 13 858 0.76
Evangelical Free Church of America, The Evangelical Protestant Methodist/Pietist 4 754 0.67
Estonian Evangelical Lutheran Church Mainline Protestant Lutheran 1 690 0.61
Salvation Army Evangelical Protestant Holiness 7 674 0.60
Apostolic Christian Church of America, Inc. Evangelical Protestant European Free-Church 1 595 0.53
Christian Brethren Evangelical Protestant Ind. Fundamentalist 6 435 0.39
Apostolic Catholic Assyrian Church of the East, North American Dioceses Orthodox Eastern Liturgical (Orthodox) 1 379 0.34
Friends (Quakers) Mainline Protestant European Free-Church 3 367 0.33
Christian Reformed Church in North America Evangelical Protestant Presbyterian-Reformed 1 263 0.23
Christian Churches and Churches of Christ Evangelical Protestant Baptist 2 243 0.22
Latvian Evangelical Lutheran Church in America Mainline Protestant Lutheran 1 198 0.18
Advent Christian Church Evangelical Protestant Adventist 3 196 0.17
Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed 2 190 0.17
Wesleyan Church, The Evangelical Protestant Holiness 1 165 0.15
Church of the Lutheran Brethren of America Evangelical Protestant Lutheran 2 164 0.15
Christian and Missionary Alliance, The Evangelical Protestant Holiness 2 146 0.13
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran 1 127 0.11
Pentecostal Church of God Evangelical Protestant Pentecostal 1 85 0.08
Church of God (Anderson, Indiana) Evangelical Protestant Holiness 1 70 0.06
Church of God of Prophecy Evangelical Protestant Pentecostal 2 68 0.06
Mennonite Church USA Evangelical Protestant European Free-Church 1 57 0.05
International Pentecostal Holiness Church Evangelical Protestant Pentecostal 1 39 0.03
Seventh Day Baptist General Conference, USA and Canada Evangelical Protestant Baptist 1 36 0.03
Foursquare Gospel, International Church of the Evangelical Protestant Pentecostal 2 16 0.01
Christ Catholic Church Evangelical Protestant Catholicism 1 4 0.00
Church of Christ, Scientist Other Christian Science 7 --- ---
Conservative Baptist Association of America Evangelical Protestant Baptist 4 --- ---
Greek Orthodox Archdiocese of America Orthodox Eastern Liturgical (Orthodox) 4 --- ---
Independent Fundamental Churches of America Evangelical Protestant Ind. Fundamentalist 3 --- ---
Open Bible Standard Churches, Inc. Evangelical Protestant Pentecostal 1 --- ---
Orthodox Church in America Orthodox Eastern Liturgical (Orthodox) 2 --- ---
Totals: 643 696,870  

The population of the Hartford-West Hartford-East Hartford, CT, Metropolitan Statistical Area was 1,123,678 in 1990; in 1980 it was 1,051,606. The total population changed 6.9%. The adherent totals of the religious groups listed above (696,870) included 62.0% of the total population in 1990.

* 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 for those who are interested in these trends.


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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