State Membership Report
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Oklahoma

Denominational Groups, 2000

1,432,064 453,030 2,982 168,625 39,775 1,354,178
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
National Association of Free Will Baptists Evangelical Protestant +245 +28,833 n.a.
Southern Baptist Convention Evangelical Protestant +156 +167,866 21.0%
Pentecostal Church of God Evangelical Protestant +96 +7,164 n.a.
Church of God of Prophecy Evangelical Protestant +38 +1,375 n.a.
Church of Jesus Christ of Latter-day Saints, The Other Theology +27 +10,831 79.0%
Assemblies of God Evangelical Protestant +20 +18,627 27.0%
American Baptist Association, The Evangelical Protestant +20 +2,238 18.0%
Independent, Charismatic Churches Evangelical Protestant +18 +28,170 n.a.
Wesleyan Church, The Evangelical Protestant +14 +4,203 n.a.
Churches of God, General Conference Evangelical Protestant +12 +676 n.a.
Seventh-day Adventist Church Evangelical Protestant +12 +429 6.0%
Independent, Non-Charismatic Churches Evangelical Protestant +11 +7,570 n.a.
International Church of the Foursquare Gospel Evangelical Protestant +7 +1,416 103.0%
Lutheran Church--Missouri Synod Evangelical Protestant +7 +2,447 11.0%
Unitarian Universalist Association of Congregations Other Theology +5 +302 15.0%
Evangelical Free Church of America, The Evangelical Protestant +5 +528 n.a.
Friends (Quakers) Mainline Protestant +4 -233 -14.0%
Evangelical Lutheran Church in America Mainline Protestant +4 +1,674 18.0%
Jewish Estimate Other Theology +3 +2,033 67.0%
Christian and Missionary Alliance, The Evangelical Protestant +3 +497 226.0%
Association of Free Lutheran Congregations, The Evangelical Protestant +3 +300 n.a.
Greek Orthodox Archdiocese of America Orthodox +2 +813 n.a.
American Baptist Churches in the USA Mainline Protestant +2 +3,181 172.0%
Old Order Amish Church Evangelical Protestant +2 -129 -27.0%
Presbyterian Church in America Evangelical Protestant +2 +612 170.0%
Church of the Brethren Evangelical Protestant +1 +8 2.0%
Universal Fellowship of Metropolitan Community Churches Mainline Protestant +1 -74 -41.0%
United Church of Christ Mainline Protestant +1 +1,063 67.0%
Christian Union Evangelical Protestant +1 -280 -40.0%
Church of God (Cleveland, Tennessee) Evangelical Protestant +1 +2,533 48.0%
Salvation Army, The Evangelical Protestant +1 +7,251 169.0%
Fellowship of Evangelical Bible Churches Evangelical Protestant +1 -72 -54.0%
Orthodox Presbyterian Church, The Evangelical Protestant +1 +29 26.0%
Orthodox Church in America: Territorial Dioceses Orthodox +1 +19 n.a.
Wisconsin Evangelical Lutheran Synod Evangelical Protestant 0 +92 18.0%
Beachy Amish Mennonite Churches Evangelical Protestant 0 -7 -11.0%
Brethren In Christ Church Evangelical Protestant 0 +3 1.0%
Ukrainian Orthodox Church of the USA Orthodox 0 +60 50.0%
Reformed Church in America Mainline Protestant 0 +60 6.0%
North American Baptist Conference Evangelical Protestant 0 -225 -38.0%
Church of God in Christ, Mennonite Evangelical Protestant 0 +46 9.0%
Catholic Church Catholic -1 +59,428 54.0%
National Association of Congregational Christian Churches Mainline Protestant -1 -531 -94.0%
Mennonite Brethren Churches, U.S. Conference of Evangelical Protestant -1 +221 8.0%
Free Methodist Church of North America Evangelical Protestant -2 -1,709 -77.0%
Baptist Missionary Association of America Evangelical Protestant -2 +935 11.0%
International Pentecostal Holiness Church Evangelical Protestant -4 +13,548 92.0%
Cumberland Presbyterian Church Evangelical Protestant -4 -653 -35.0%
Episcopal Church Mainline Protestant -5 -2,895 -13.0%
Church of God (Anderson, Indiana) Evangelical Protestant -6 -7,846 -50.0%
Christian Churches and Churches of Christ Evangelical Protestant -8 +908 2.0%
Church of the Nazarene Evangelical Protestant -17 -1,433 -4.0%
Presbyterian Church (U.S.A.) Mainline Protestant -17 -12,719 -26.0%
Christian Church (Disciples of Christ) Mainline Protestant -34 -12,695 -19.0%
Churches of Christ Evangelical Protestant -35 -8,559 -9.0%
United Methodist Church, The Mainline Protestant -62 +9,328 3.0%
  Totals: 528 +337,257 +19.4%

The population of these 77 counties (or equivalents) in 1980 was 3,025,290; in 2000 it was 3,450,654. The total population changed 9.7%. The adherent totals for 1980 (1,740,252) represent 57.5% of the 1980 population. The adherent totals for 2000 (2,096,476) include 60.8% of the 2000 population. There is sufficient data for 56 groups to calculate 1980-2000 change. These 56 groups had 1,737,471 adherents in 1980 and 2,074,728 adherents in 2000, for a change of 19.4%

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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