County Membership Report
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Allegheny County, Pennsylvania

Denominational Groups, 2000

53,737 173,417 14,940 632,807 46,004 360,761
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
Jewish Estimate Other Theology +16 +24,006 227.0%
Orthodox Church in America: Territorial Dioceses Orthodox +10 +1,050 n.a.
Assemblies of God Evangelical Protestant +9 +5,747 127.0%
Greek Orthodox Archdiocese of America Orthodox +7 +5,556 n.a.
American Carpatho-Russian Orthodox Greek Catholic Church Orthodox +7 +2,086 n.a.
Independent, Non-Charismatic Churches Evangelical Protestant +5 +4,500 n.a.
Independent, Charismatic Churches Evangelical Protestant +4 +3,578 n.a.
Wesleyan Church, The Evangelical Protestant +4 +441 n.a.
Presbyterian Church in America Evangelical Protestant +4 +928 131.0%
Church of Jesus Christ of Latter-day Saints, The Other Theology +3 +361 19.0%
Churches of God, General Conference Evangelical Protestant +2 +44 n.a.
Associate Reformed Presbyterian Church Evangelical Protestant +2 +148 n.a.
Evangelical Free Church of America, The Evangelical Protestant +2 +992 477.0%
Allegheny Wesleyan Methodist Connection Evangelical Protestant +2 +35 n.a.
Evangelical Presbyterian Church Evangelical Protestant +2 +616 n.a.
International Church of the Foursquare Gospel Evangelical Protestant +1 +43 n.a.
Church of God of Prophecy Evangelical Protestant +1 +49 n.a.
Churches of Christ Evangelical Protestant +1 +120 16.0%
Christian Church (Disciples of Christ) Mainline Protestant +1 -370 -26.0%
Seventh-day Adventist Church Evangelical Protestant +1 +384 27.0%
Church of God (Cleveland, Tennessee) Evangelical Protestant +1 +263 61.0%
Salvation Army, The Evangelical Protestant +1 -3,601 -48.0%
Evangelical Covenant Church, The Evangelical Protestant 0 +6 5.0%
Unitarian Universalist Association of Congregations Other Theology 0 +181 22.0%
Church of the Brethren Evangelical Protestant 0 -451 -57.0%
Orthodox Presbyterian Church, The Evangelical Protestant 0 +118 60.0%
American Baptist Churches in the USA Mainline Protestant 0 +2,789 22.0%
Conservative Baptist Association of America Evangelical Protestant 0 +371 60.0%
Southern Baptist Convention Evangelical Protestant 0 +219 13.0%
Baptist General Conference Evangelical Protestant 0 -41 -14.0%
Brethren Church, The (Ashland, Ohio) Evangelical Protestant 0 -80 -77.0%
Friends (Quakers) Mainline Protestant 0 -251 -86.0%
Universal Fellowship of Metropolitan Community Churches Mainline Protestant 0 -80 -60.0%
Primitive Methodist Church in the USA Evangelical Protestant 0 -309 -46.0%
Christian and Missionary Alliance, The Evangelical Protestant -1 +1,534 44.0%
Church of God (Anderson, Indiana) Evangelical Protestant -1 -1,233 -73.0%
Christian Churches and Churches of Christ Evangelical Protestant -1 -1,351 -26.0%
Church of the Nazarene Evangelical Protestant -1 -349 -20.0%
Free Methodist Church of North America Evangelical Protestant -1 -1,018 -82.0%
Wisconsin Evangelical Lutheran Synod Evangelical Protestant -1 -27 -19.0%
National Association of Congregational Christian Churches Mainline Protestant -1 -897 -68.0%
North American Baptist Conference Evangelical Protestant -1 -206 -46.0%
Episcopal Church Mainline Protestant -2 -1,498 -9.0%
Lutheran Church--Missouri Synod Evangelical Protestant -4 -3,121 -35.0%
United Church of Christ Mainline Protestant -8 -3,371 -61.0%
Evangelical Lutheran Church in America Mainline Protestant -17 -13,143 -29.0%
United Methodist Church, The Mainline Protestant -21 -21,663 -31.0%
Presbyterian Church (U.S.A.) Mainline Protestant -31 -41,064 -40.0%
Catholic Church Catholic -51 -128,259 -17.0%
  Totals: -56 -166,218 -15.5%

The population of this county (or equivalent) in 1980 was 1,450,085; in 2000 it was 1,281,666. The total population changed -4.1%. The adherent totals for 1980 (1,079,905) represent 74.5% of the 1980 population. The adherent totals for 2000 (920,905) include 71.9% of the 2000 population. The totals represent the change in groups that reported in both 1980 and 2000 only. There is sufficient data for 49 groups to calculate 1980-2000 change. These 49 groups had 1,069,920 adherents in 1980 and 903,702 adherents in 2000, for a change of -15.5%

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.

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