County Membership Report
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New Haven County, Connecticut

Denominational Groups, 2000

16,021 60,697 3,465 319,399 43,265 381,161
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
American Baptist Churches in the USA Mainline Protestant -2 -1,370 -14.0%
Apostolic Christian Churches (Nazarene) Evangelical Protestant 0 +15 75.0%
Assemblies of God Evangelical Protestant +12 +332 11.0%
Baptist General Conference Evangelical Protestant +1 -44 -7.0%
Catholic Church Catholic -4 -64,155 -17.0%
Christian and Missionary Alliance, The Evangelical Protestant +5 +369 231.0%
Christian Churches and Churches of Christ Evangelical Protestant +2 +51 35.0%
Church of God (Anderson, Indiana) Evangelical Protestant -1 -80 -44.0%
Church of God (Cleveland, Tennessee) Evangelical Protestant +3 +742 293.0%
Church of God of Prophecy Evangelical Protestant +3 +267 n.a.
Church of Jesus Christ of Latter-day Saints, The Other Theology +4 +1,339 240.0%
Church of the Nazarene Evangelical Protestant +2 -34 -27.0%
Churches of Christ Evangelical Protestant +2 +448 109.0%
Conservative Baptist Association of America Evangelical Protestant 0 +82 121.0%
Episcopal Church Mainline Protestant -4 -11,741 -47.0%
Evangelical Covenant Church, The Evangelical Protestant 0 -132 -43.0%
Evangelical Free Church of America, The Evangelical Protestant 0 +459 125.0%
Evangelical Lutheran Church in America Mainline Protestant -3 -3,508 -43.0%
Friends (Quakers) Mainline Protestant 0 -29 -35.0%
Greek Orthodox Archdiocese of America Orthodox +3 +2,346 n.a.
Independent, Charismatic Churches Evangelical Protestant +1 +1,800 n.a.
Independent, Non-Charismatic Churches Evangelical Protestant +1 +300 n.a.
International Church of the Foursquare Gospel Evangelical Protestant +1 +123 n.a.
Jewish Estimate Other Theology +5 +23,112 399.0%
Lutheran Church--Missouri Synod Evangelical Protestant 0 -612 -21.0%
National Association of Congregational Christian Churches Mainline Protestant +1 -28 -9.0%
North American Baptist Conference Evangelical Protestant 0 -33 -73.0%
Orthodox Church in America: Territorial Dioceses Orthodox +4 +942 n.a.
Orthodox Presbyterian Church, The Evangelical Protestant 0 +29 35.0%
Presbyterian Church (U.S.A.) Mainline Protestant +2 +430 122.0%
Salvation Army, The Evangelical Protestant +1 -809 -47.0%
Seventh-day Adventist Church Evangelical Protestant +2 +283 29.0%
Southern Baptist Convention Evangelical Protestant +3 +189 185.0%
Unitarian Universalist Association of Congregations Other Theology 0 +60 9.0%
United Church of Christ Mainline Protestant -4 -4,518 -16.0%
United Methodist Church, The Mainline Protestant 0 -526 -5.0%
Universal Fellowship of Metropolitan Community Churches Mainline Protestant 0 +31 62.0%
  Totals: 40 -53,870 -11.1%

The population of this county (or equivalent) in 1980 was 761,337; in 2000 it was 824,008. The total population changed 2.5%. The adherent totals for 1980 (492,982) represent 64.8% of the 1980 population. The adherent totals for 2000 (442,847) include 53.7% of the 2000 population. The totals represent the change in groups that reported in both 1980 and 2000 only. There is sufficient data for 37 groups to calculate 1980-2000 change. These 37 groups had 484,185 adherents in 1980 and 430,315 adherents in 2000, for a change of -11.1%

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]


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