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