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Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota

Denominational Groups, 2000

3,128,667 3,664,455 30,125 3,815,134 317,545 8,281,813
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]


Religious Bodies Theology Congregations Adherents Adherence Rate
Advent Christian ChurchEvangelical Protestant------
African Methodist Episcopal Zion ChurchEvangelical Protestant------
Allegheny Wesleyan Methodist ConnectionEvangelical Protestant------
American Association of Lutheran ChurchesEvangelical Protestant------
American Baptist Association, TheEvangelical Protestant503,4300.2
American Baptist Churches in the USAMainline Protestant513136,1287.1
Amish; Other GroupsEvangelical Protestant78940.0
Antiochian Orthodox Christian Archdiocese of North America, TheOrthodox134,5760.2
Apostolic Christian Church of America, Inc.Evangelical Protestant214,3910.2
Apostolic Christian Churches (Nazarene)Evangelical Protestant250.0
Apostolic Lutheran Church of AmericaEvangelical Protestant------
Armenian Apostolic Church / Catholicossate of CiliciaOrthodox21600.0
Armenian Apostolic Church / Catholicossate of EtchmiadzinOrthodox28050.0
Assemblies of GodEvangelical Protestant1,211243,73312.7
Associate Reformed Presbyterian ChurchEvangelical Protestant31580.0
Association of Free Lutheran Congregations, TheEvangelical Protestant15021,2161.1
Bahá'íOther Theology737,6490.4
Baptist General ConferenceEvangelical Protestant23960,7353.2
Baptist Missionary Association of AmericaEvangelical Protestant10011,9920.6
Beachy Amish Mennonite ChurchesEvangelical Protestant87420.0
Berean Fundamental ChurchEvangelical Protestant------
Black Baptists EstimateEvangelical Protestant------
Brethren Church, The (Ashland, Ohio)Evangelical Protestant53360.0
Brethren In Christ ChurchEvangelical Protestant55540.0
BuddhismOther Theology55----
Calvary Chapel Fellowship ChurchesEvangelical Protestant23----
Catholic ChurchCatholic3,0103,815,134198.3
Christ Catholic ChurchEvangelical Protestant------
Christian and Missionary Alliance, TheEvangelical Protestant16336,7141.9
Christian BrethrenEvangelical Protestant------
Christian Church (Disciples of Christ)Mainline Protestant664234,02812.2
Christian Churches and Churches of ChristEvangelical Protestant833186,0759.7
Christian Reformed Church in North AmericaEvangelical Protestant10936,7921.9
Christian UnionEvangelical Protestant292,5160.1
Church of Christ, ScientistOther Theology------
Church of God (Anderson, Indiana)Evangelical Protestant18216,2040.8
Church of God (Cleveland, Tennessee)Evangelical Protestant15416,9610.9
Church of God (Seventh Day)Evangelical Protestant------
Church of God General ConferenceEvangelical Protestant208230.0
Church of God in Christ, MennoniteEvangelical Protestant366,0640.3
Church of God of ProphecyEvangelical Protestant722,5240.1
Church of Jesus Christ of Latter-day Saints, TheOther Theology428121,3946.3
Church of the BrethrenEvangelical Protestant889,0900.5
Church of the Lutheran Brethren of AmericaEvangelical Protestant------
Church of the Lutheran ConfessionEvangelical Protestant------
Church of the NazareneEvangelical Protestant50984,2804.4
Church of the United Brethren in ChristEvangelical Protestant------
Churches of ChristEvangelical Protestant82675,8653.9
Churches of God, General ConferenceEvangelical Protestant241,9880.1
Community of ChristEvangelical Protestant24732,6851.7
Congregational Christian Churches, Additional (not part of any national CCC body)Mainline Protestant88900.0
Conservative Baptist Association of AmericaEvangelical Protestant558,2100.4
Conservative Congregational Christian ConferenceEvangelical Protestant4110,0980.5
Conservative Mennonite ConferenceEvangelical Protestant81,0070.1
Cumberland Presbyterian ChurchEvangelical Protestant311,4470.1
Eastern Pennsylvania Mennonite ChurchEvangelical Protestant21230.0
Episcopal ChurchMainline Protestant556111,9895.8
Estonian Evangelical Lutheran ChurchMainline Protestant------
Evangelical Covenant Church, TheEvangelical Protestant18136,0871.9
Evangelical Free Church of America, TheEvangelical Protestant37570,6763.7
Evangelical Lutheran Church in AmericaMainline Protestant2,8851,617,46884.1
Evangelical Lutheran SynodEvangelical Protestant------
Evangelical Mennonite ChurchEvangelical Protestant44690.0
Evangelical Methodist ChurchEvangelical Protestant------
Evangelical Presbyterian ChurchEvangelical Protestant135,2320.3
Fellowship of Evangelical Bible ChurchesEvangelical Protestant101,3900.1
Fire Baptized Holiness Church, (Wesleyan), TheEvangelical Protestant------
Free Methodist Church of North AmericaEvangelical Protestant744,2050.2
Friends (Quakers)Mainline Protestant15110,4520.5
Fundamental Methodist Conference, Inc.Evangelical Protestant131,0090.1
General Association of Regular Baptist ChurchesEvangelical Protestant18422,8491.2
Greek Orthodox Archdiocese of AmericaOrthodox2011,4240.6
Greek Orthodox Archdiocese of VasiloupulisOrthodox46,3850.3
HinduOther Theology17----
Holy Orthodox Church in North AmericaOrthodox3580.0
Hutterian BrethrenEvangelical Protestant696,9000.4
Independent Free Will Baptists AssociationsEvangelical Protestant116170.0
Independent Fundamental Churches of AmericaEvangelical Protestant------
Independent, Charismatic ChurchesEvangelical Protestant5041,6302.2
Independent, Non-Charismatic ChurchesEvangelical Protestant7854,1522.8
International Church of the Foursquare GospelEvangelical Protestant11416,0630.8
International Churches of ChristEvangelical Protestant102,3390.1
International Council of Community ChurchesMainline Protestant92,4920.1
International Pentecostal Holiness ChurchEvangelical Protestant545,9140.3
JainOther Theology6----
Jewish EstimateOther Theology96133,3956.9
Latvian Evangelical Lutheran Church in AmericaMainline Protestant------
Lutheran Church--Missouri SynodEvangelical Protestant1,704699,62836.4
Malankara Orthodox Syrian Church, American Diocese of theOrthodox1750.0
Mennonite Brethren Churches, U.S. Conference ofEvangelical Protestant407,5520.4
Mennonite Church USAEvangelical Protestant12926,4561.4
Mennonite; Other GroupsEvangelical Protestant413,9900.2
Missionary Church, TheEvangelical Protestant181,5430.1
Moravian Church in America--Northern ProvinceMainline Protestant111,8460.1
Muslim EstimateOther Theology5443,9182.3
National Association of Congregational Christian ChurchesMainline Protestant3310,9830.6
National Association of Free Will BaptistsEvangelical Protestant19819,9441.0
National Primitive Baptist Convention, USAEvangelical Protestant43380.0
Netherlands Reformed CongregationsEvangelical Protestant41,8530.1
New Testament Association of Independent Baptist Churches and other Fundamental Baptist Associations/FellowshipsEvangelical Protestant7610,0500.5
North American Baptist ConferenceEvangelical Protestant9415,0470.8
Old Missionary Baptists AssociationsEvangelical Protestant797,8860.4
Old Order Amish ChurchEvangelical Protestant1067,1510.4
Old Order MennoniteEvangelical Protestant151,8000.1
Old Order River BrethrenEvangelical Protestant1630.0
Open Bible Standard Churches, Inc.Evangelical Protestant------
Orthodox Church in America: Romanian Orthodox Episcopate of AmericaOrthodox24750.0
Orthodox Church in America: Territorial DiocesesOrthodox102,2330.1
Orthodox Presbyterian Church, TheEvangelical Protestant138810.0
Pentecostal Church of GodEvangelical Protestant948,9920.5
Presbyterian Church (U.S.A.)Mainline Protestant1,283302,55915.7
Presbyterian Church in AmericaEvangelical Protestant6011,5730.6
Primitive Baptist Churches--Old LineEvangelical Protestant53----
Primitive Baptists AssociationsEvangelical Protestant------
Primitive Methodist Church in the USAEvangelical Protestant21210.0
Progressive Primitive BaptistsEvangelical Protestant22820.0
Protestant Reformed Churches in AmericaEvangelical Protestant48560.0
Reformed Baptist ChurchesEvangelical Protestant6----
Reformed Church in AmericaMainline Protestant14556,0182.9
Reformed Church in the United StatesEvangelical Protestant212,6750.1
Reformed Episcopal ChurchEvangelical Protestant------
Russian Orthodox Church Outside of RussiaOrthodox6----
Salvation Army, TheEvangelical Protestant11145,8002.4
Serbian Orthodox Church in the USAOrthodox82,6590.1
Serbian Orthodox Church in the USA (New Gracanica Metropolitanate)Orthodox4----
Seventh Day Baptist General Conference, USA and CanadaEvangelical Protestant------
Seventh-day Adventist ChurchEvangelical Protestant36643,9562.3
SikhOther Theology10----
Southern Baptist ConventionEvangelical Protestant2,381945,07549.1
Southwide Baptist FellowshipEvangelical Protestant8----
Ukrainian Orthodox Church of the USAOrthodox51,2750.1
Unitarian Universalist Association of CongregationsOther Theology6011,1890.6
United BaptistsEvangelical Protestant------
United Church of ChristMainline Protestant832204,35610.6
United Methodist Church, TheMainline Protestant3,651973,68250.6
United Reformed Churches in North AmericaEvangelical Protestant61,1110.1
Universal Fellowship of Metropolitan Community ChurchesMainline Protestant151,5640.1
Vineyard USAEvangelical Protestant368,7760.5
Wesleyan Church, TheEvangelical Protestant15833,2811.7
Wisconsin Evangelical Lutheran SynodEvangelical Protestant28974,8033.9
ZoroastrianOther Theology2----
Totals (Unadjusted)*:   27,259 10,955,926  
Total (Adjusted)**:     12,568,986  

The population of these counties (or equivalents) in 1990 was 17,659,690; in 2000 it was 19,237,739. The total population changed 8.9%. The unadjusted adherent totals of the religious groups listed above (10,955,926) include 57.0% of the total population in 2000. The adjusted total adherents (12,568,986) include 65.3% of the population.


*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. [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]

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