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
Catholic Church Catholic -6 +24,985 17.4%
International Pentecostal Holiness Church Evangelical Protestant +25 +11,438 68.3%
Salvation Army, The Evangelical Protestant +3 +9,279 410.0%
Independent, Charismatic Churches Evangelical Protestant +5 +5,758 25.7%
Church of Jesus Christ of Latter-day Saints, The Other Theology +11 +5,457 28.6%
National Association of Free Will Baptists Evangelical Protestant +4 +3,457 13.6%
American Baptist Churches in the USA Mainline Protestant +1 +2,609 108.0%
Southern Baptist Convention Evangelical Protestant +88 +2,608 0.3%
Church of God (Cleveland, Tennessee) Evangelical Protestant +13 +2,161 38.6%
International Church of the Foursquare Gospel Evangelical Protestant +3 +1,770 173.4%
Church of God (Anderson, Indiana) Evangelical Protestant -12 +1,281 19.2%
Church of the Nazarene Evangelical Protestant -16 +1,245 3.5%
Pentecostal Church of God Evangelical Protestant +8 +896 14.3%
Wesleyan Church, The Evangelical Protestant 0 +569 15.7%
Episcopal Church Mainline Protestant -7 +427 2.3%
Christian and Missionary Alliance, The Evangelical Protestant -1 +316 78.8%
United Church of Christ Mainline Protestant +1 +208 8.5%
Association of Free Lutheran Congregations, The Evangelical Protestant +2 +120 66.7%
Jewish Estimate Other Theology +3 +70 1.4%
Friends (Quakers) Mainline Protestant +2 +25 1.8%
Brethren In Christ Church Evangelical Protestant 0 +21 8.7%
Beachy Amish Mennonite Churches Evangelical Protestant 0 -1 -1.8%
Wisconsin Evangelical Lutheran Synod Evangelical Protestant -2 -33 -5.2%
Church of the Brethren Evangelical Protestant 0 -39 -7.3%
North American Baptist Conference Evangelical Protestant 0 -66 -15.1%
Presbyterian Church in America Evangelical Protestant 0 -73 -7.0%
Evangelical Lutheran Church in America Mainline Protestant -4 -81 -0.7%
Fellowship of Evangelical Bible Churches Evangelical Protestant 0 -87 -58.4%
Church of God in Christ, Mennonite Evangelical Protestant 0 -89 -13.9%
Evangelical Free Church of America, The Evangelical Protestant -2 -98 -15.7%
Lutheran Church--Missouri Synod Evangelical Protestant -2 -104 -0.4%
Old Order Amish Church Evangelical Protestant +2 -104 -23.1%
Free Methodist Church of North America Evangelical Protestant -4 -122 -19.4%
Churches of God, General Conference Evangelical Protestant -4 -145 -17.7%
Mennonite Church USA Evangelical Protestant -4 -281 -14.3%
Reformed Church in America Mainline Protestant 0 -293 -20.3%
National Association of Congregational Christian Churches Mainline Protestant -1 -418 -91.9%
Assemblies of God Evangelical Protestant 0 -479 -0.5%
Baptist Missionary Association of America Evangelical Protestant -4 -485 -4.9%
Unitarian Universalist Association of Congregations Other Theology +3 -494 -17.7%
Mennonite Brethren Churches, U.S. Conference of Evangelical Protestant -1 -552 -15.3%
Cumberland Presbyterian Church Evangelical Protestant -3 -567 -31.9%
Seventh-day Adventist Church Evangelical Protestant +2 -595 -6.8%
Christian Churches and Churches of Christ Evangelical Protestant -7 -813 -1.9%
Church of God of Prophecy Evangelical Protestant -15 -817 -37.3%
Churches of Christ Evangelical Protestant -7 -2,146 -2.5%
United Methodist Church, The Mainline Protestant -45 -3,500 -1.1%
Independent, Non-Charismatic Churches Evangelical Protestant -9 -4,560 -37.6%
Christian Church (Disciples of Christ) Mainline Protestant -32 -5,172 -8.8%
Presbyterian Church (U.S.A.) Mainline Protestant -15 -6,404 -15.4%
Greek Orthodox Archdiocese of America Orthodox 0 n.a. n.a.
Orthodox Church in America: Territorial Dioceses Orthodox -1 n.a. n.a.
Ukrainian Orthodox Church of the USA Orthodox 0 n.a. n.a.
  Totals: -28 +46,082 +2.3%

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 adherent totals for 1990 (2,102,290) represent 66.8% of the 1990 population. The adherent totals for 2000 (2,096,476) include 60.8% of the 2000 population. There is sufficient data for 50 groups to calculate 1990-2000 change. These 50 groups had 2,014,276 adherents in 1990 and 2,060,358 adherents in 2000, for a change of 2.3%

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 1990 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include statistics for 132 religious groups, including number of churches and adherents. Martin B. Bradley, Norman M. Green, Jr., Dale E. Jones, Mac Lynn, and Lou McNeil supervised the collection. These data originally appeared in Churches and Church Membership in the United States, 1990, published by the Glenmary Research Center.

[More information on these data sources]