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	1,490	964,615	306.7
United Methodist Church, The	Mainline Protestant	681	326,294	103.7
Churches of Christ	Evangelical Protestant	610	85,193	27.1
Assemblies of God	Evangelical Protestant	490	88,780	28.2
National Association of Free Will Baptists	Evangelical Protestant	241	25,376	8.1
Church of the Nazarene	Evangelical Protestant	229	35,225	11.2
Christian Church (Disciples of Christ)	Mainline Protestant	209	58,901	18.7
Catholic Church	Catholic	201	143,640	45.7
Christian Churches and Churches of Christ	Evangelical Protestant	200	43,521	13.8
Presbyterian Church (U.S.A.)	Mainline Protestant	162	41,615	13.2
International Pentecostal Holiness Church	Evangelical Protestant	142	16,754	5.3
Pentecostal Church of God	Evangelical Protestant	88	6,268	2.0
Seventh-day Adventist Church	Evangelical Protestant	83	8,698	2.8
Lutheran Church--Missouri Synod	Evangelical Protestant	80	24,303	7.7
Episcopal Church	Mainline Protestant	79	18,908	6.0
Church of God (Anderson, Indiana)	Evangelical Protestant	74	6,671	2.1
Church of Jesus Christ of Latter-day Saints, The	Other Theology	65	19,107	6.1
Church of God (Cleveland, Tennessee)	Evangelical Protestant	61	5,597	1.8
Church of God of Prophecy	Evangelical Protestant	53	2,192	0.7
Baptist Missionary Association of America	Evangelical Protestant	52	9,850	3.1
Evangelical Lutheran Church in America	Mainline Protestant	41	11,186	3.6
Church of Christ, Scientist	Other Theology	31	n.a.	n.a.
Cumberland Presbyterian Church	Evangelical Protestant	22	1,776	0.6
Independent, Non-Charismatic Churches	Evangelical Protestant	20	12,130	3.9
Mennonite Church USA	Evangelical Protestant	20	1,970	0.6
Friends (Quakers)	Mainline Protestant	18	1,393	0.4
Salvation Army, The	Evangelical Protestant	18	2,263	0.7
Churches of God, General Conference	Evangelical Protestant	16	821	0.3
International Church of the Foursquare Gospel	Evangelical Protestant	16	1,021	0.3
Free Methodist Church of North America	Evangelical Protestant	15	630	0.2
United Church of Christ	Mainline Protestant	15	2,448	0.8
Mennonite Brethren Churches, U.S. Conference of	Evangelical Protestant	14	3,603	1.2
Wesleyan Church, The	Evangelical Protestant	14	3,634	1.2
American Baptist Churches in the USA	Mainline Protestant	13	2,416	0.8
Independent, Charismatic Churches	Evangelical Protestant	13	22,412	7.1
Independent Fundamental Churches of America	Evangelical Protestant	11	n.a.	n.a.
Primitive Baptists Associations	Evangelical Protestant	10	679	0.2
Church of God (Seventh Day)	Evangelical Protestant	10	500	0.2
Unitarian Universalist Association of Congregations	Other Theology	8	2,795	0.9
Evangelical Free Church of America, The	Evangelical Protestant	7	626	0.2
Christian and Missionary Alliance, The	Evangelical Protestant	7	401	0.1
Jewish Estimate	Other Theology	7	4,980	1.6
Church of the Brethren	Evangelical Protestant	6	537	0.2
North American Baptist Conference	Evangelical Protestant	5	436	0.1
Presbyterian Church in America	Evangelical Protestant	5	1,044	0.3
African Methodist Episcopal Zion Church	Evangelical Protestant	5	1,821	0.6
Christian Brethren	Evangelical Protestant	5	395	0.1
Wisconsin Evangelical Lutheran Synod	Evangelical Protestant	5	630	0.2
Fire Baptized Holiness Church, (Wesleyan), The	Evangelical Protestant	5	80	0.0
Church of God in Christ, Mennonite	Evangelical Protestant	4	640	0.2
Reformed Church in America	Mainline Protestant	3	1,445	0.5
Advent Christian Church	Evangelical Protestant	3	150	0.1
Brethren In Christ Church	Evangelical Protestant	3	240	0.1
Old Order Amish Church	Evangelical Protestant	3	450	0.1
Orthodox Church in America: Territorial Dioceses	Orthodox	2	n.a.	n.a.
National Association of Congregational Christian Churches	Mainline Protestant	2	455	0.1
Fellowship of Evangelical Bible Churches	Evangelical Protestant	2	149	0.1
Greek Orthodox Archdiocese of America	Orthodox	2	n.a.	n.a.
Christian Reformed Church in North America	Evangelical Protestant	1	22	0.0
Syrian Orthodox Church of Antioch	Orthodox	1	400	0.1
Ukrainian Orthodox Church of the USA	Orthodox	1	n.a.	n.a.
Seventh Day Baptist General Conference, USA and Canada	Evangelical Protestant	1	38	0.0
Conservative Congregational Christian Conference	Evangelical Protestant	1	137	0.0
Association of Free Lutheran Congregations, The	Evangelical Protestant	1	180	0.1
Open Bible Standard Churches, Inc.	Evangelical Protestant	1	n.a.	n.a.
Evangelical Methodist Church	Evangelical Protestant	1	44	0.0
Evangelical Presbyterian Church	Evangelical Protestant	1	29	0.0
Hutterian Brethren	Evangelical Protestant	1	100	0.0
Beachy Amish Mennonite Churches	Evangelical Protestant	1	57	0.0
Black Baptists Estimate	Evangelical Protestant	n.a.	83,619	26.6
	*Totals (Unadjusted)^:**	5,707	2,102,290

The population of these counties (or equivalents) in 1990 was 3,145,585. The adherent totals of the religious groups listed above (2,102,290) include 66.8% of the total population in 1990.

Source

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 the data collection]

^†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.