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 Adherence Rate
Southern Baptist Convention Evangelical Protestant 1,578 967,223 280.3
United Methodist Church, The Mainline Protestant 636 322,794 93.6
Churches of Christ Evangelical Protestant 603 83,047 24.1
Assemblies of God Evangelical Protestant 490 88,301 25.6
National Association of Free Will Baptists Evangelical Protestant 245 28,833 8.4
Church of the Nazarene Evangelical Protestant 213 36,470 10.6
Catholic Church Catholic 195 168,625 48.9
Christian Churches and Churches of Christ Evangelical Protestant 193 42,708 12.4
Christian Church (Disciples of Christ) Mainline Protestant 177 53,729 15.6
International Pentecostal Holiness Church Evangelical Protestant 167 28,192 8.2
Presbyterian Church (U.S.A.) Mainline Protestant 147 35,211 10.2
American Baptist Association, The Evangelical Protestant 114 14,375 4.2
Pentecostal Church of God Evangelical Protestant 96 7,164 2.1
Seventh-day Adventist Church Evangelical Protestant 85 8,103 2.4
Lutheran Church--Missouri Synod Evangelical Protestant 78 24,199 7.0
Church of Jesus Christ of Latter-day Saints, The Other Theology 76 24,564 7.1
Church of God (Cleveland, Tennessee) Evangelical Protestant 74 7,758 2.3
Episcopal Church Mainline Protestant 72 19,335 5.6
Church of God (Anderson, Indiana) Evangelical Protestant 62 7,952 2.3
Baptist Missionary Association of America Evangelical Protestant 48 9,365 2.7
Church of God of Prophecy Evangelical Protestant 38 1,375 0.4
Evangelical Lutheran Church in America Mainline Protestant 37 11,105 3.2
Community of Christ Evangelical Protestant 30 2,935 0.9
Primitive Baptist Churches--Old Line Evangelical Protestant 25 n.a. n.a.
Salvation Army, The Evangelical Protestant 21 11,542 3.3
Friends (Quakers) Mainline Protestant 20 1,418 0.4
International Church of the Foursquare Gospel Evangelical Protestant 19 2,791 0.8
Cumberland Presbyterian Church Evangelical Protestant 19 1,209 0.4
Independent, Charismatic Churches Evangelical Protestant 18 28,170 8.2
Mennonite Church USA Evangelical Protestant 16 1,689 0.5
United Church of Christ Mainline Protestant 16 2,656 0.8
American Baptist Churches in the USA Mainline Protestant 14 5,025 1.5
Wesleyan Church, The Evangelical Protestant 14 4,203 1.2
Mennonite Brethren Churches, U.S. Conference of Evangelical Protestant 13 3,051 0.9
Churches of God, General Conference Evangelical Protestant 12 676 0.2
Bahá'í Other Theology 11 1,715 0.5
Independent, Non-Charismatic Churches Evangelical Protestant 11 7,570 2.2
Unitarian Universalist Association of Congregations Other Theology 11 2,301 0.7
Free Methodist Church of North America Evangelical Protestant 11 508 0.2
Muslim Estimate Other Theology 10 6,145 1.8
Jewish Estimate Other Theology 10 5,050 1.5
Christian Union Evangelical Protestant 9 427 0.1
Buddhism Other Theology 8 n.a. n.a.
Vineyard USA Evangelical Protestant 7 909 0.3
Evangelical Covenant Church, The Evangelical Protestant 7 4,852 1.4
Church of the Brethren Evangelical Protestant 6 498 0.1
Christian and Missionary Alliance, The Evangelical Protestant 6 717 0.2
Evangelical Free Church of America, The Evangelical Protestant 5 528 0.2
Reformed Baptist Churches Evangelical Protestant 5 n.a. n.a.
Mennonite; Other Groups Evangelical Protestant 5 247 0.1
Presbyterian Church in America Evangelical Protestant 5 971 0.3
Calvary Chapel Fellowship Churches Evangelical Protestant 5 n.a. n.a.
Old Order Amish Church Evangelical Protestant 5 346 0.1
North American Baptist Conference Evangelical Protestant 5 370 0.1
Church of God in Christ, Mennonite Evangelical Protestant 4 551 0.2
Wisconsin Evangelical Lutheran Synod Evangelical Protestant 3 597 0.2
Brethren In Christ Church Evangelical Protestant 3 261 0.1
Reformed Church in America Mainline Protestant 3 1,152 0.3
Association of Free Lutheran Congregations, The Evangelical Protestant 3 300 0.1
Orthodox Presbyterian Church, The Evangelical Protestant 3 139 0.0
Coptic Orthodox Church Orthodox 2 n.a. n.a.
Antiochian Orthodox Christian Archdiocese of North America, The Orthodox 2 1,634 0.5
Hindu Other Theology 2 n.a. n.a.
Greek Orthodox Archdiocese of America Orthodox 2 813 0.2
Universal Fellowship of Metropolitan Community Churches Mainline Protestant 2 106 0.0
Fellowship of Evangelical Bible Churches Evangelical Protestant 2 62 0.0
International Churches of Christ Evangelical Protestant 2 365 0.1
Jain Other Theology 2 n.a. n.a.
Independent Free Will Baptists Associations Evangelical Protestant 2 169 0.1
General Association of Regular Baptist Churches Evangelical Protestant 1 62 0.0
Malankara Orthodox Syrian Church, American Diocese of the Orthodox 1 125 0.0
National Association of Congregational Christian Churches Mainline Protestant 1 37 0.0
Orthodox Church in America: Territorial Dioceses Orthodox 1 19 0.0
Malankara Archdiocese of the Syrian Orthodox Church in North America Orthodox 1 125 0.0
Russian Orthodox Church Outside of Russia Orthodox 1 n.a. n.a.
Sikh Other Theology 1 n.a. n.a.
Southwide Baptist Fellowship Evangelical Protestant 1 n.a. n.a.
Armenian Apostolic Church / Catholicossate of Cilicia Orthodox 1 80 0.0
Ukrainian Orthodox Church of the USA Orthodox 1 180 0.1
Beachy Amish Mennonite Churches Evangelical Protestant 1 56 0.0
Holy Orthodox Church in North America Orthodox 1 6 0.0
International Council of Community Churches Mainline Protestant 1 462 0.1
Conservative Mennonite Conference Evangelical Protestant 1 228 0.1
Totals (Unadjusted)*: 5,854 2,096,476  
Total (Adjusted)**:   2,457,087  
The population of these 77 counties (or equivalents) in 1990 was 3,145,585; in 2000 it was 3,450,654. The total population changed 9.7%. The unadjusted adherent totals of the religious groups listed above (2,096,476) include 60.8% of the total population in 2000. The adjusted total adherents (2,457,087) include 71.2% of the population.

Source

*The “Unadjusted Totals” come from the 1990 and 2000 data collected by representatives of the Association of Statisticians of American Religious Bodies (ASARB). While quite comprehensive, this data excludes most of the historically African-American denominations and some other major groups. As a result, these numbers will be an underestimate of the total adherence rate, particularly in areas with a large African-American population. The 2000 data included 149 religious groups and the final results are published in Religious Congregations and Membership in the United States 2000. Copyright © 2002, All rights reserved. The 1990 data included 132 groups and the final results are published in Churches and Church Membership in the United States 1990 Copyright © 1990, All rights reserved. Published by Glenmary Research Center, 1312 Fifth Ave., North, Nashville, TN 37208. www.glenmary.org [More information on the data collection]

**The “Adjusted Totals” include all adherents in the denominations counted by the Association of Statisticians of American Religious Bodies (ASARB) and estimates adherent totals for the historically African-American denominations and other religious groups not listed in the ASARB totals. An article by Roger Finke and Christopher P. Scheitle (2005) reviews how these estimates were computed.

The adherence rate provides the number of adherents of a particular group per 1,000 population. For example, in 2000 the Episcopal Church had an adherence rate of approximately 8 (8.1) in Autauga County, Alabama. This means that 8 out of every 1,000 people in Autauga County are Episcopalian.

[More information on the data source]