State Membership Report
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Washington

Denominational Groups, 2000

582,697 387,568 7,754 716,133 248,698 3,951,271
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
Catholic Church Catholic 312 716,133 121.5
Church of Jesus Christ of Latter-day Saints, The Other Theology 471 178,000 30.2
Evangelical Lutheran Church in America Mainline Protestant 279 127,854 21.7
Assemblies of God Evangelical Protestant 347 105,692 17.9
United Methodist Church, The Mainline Protestant 258 76,648 13.0
Presbyterian Church (U.S.A.) Mainline Protestant 224 74,388 12.6
Southern Baptist Convention Evangelical Protestant 220 62,309 10.6
Jewish Estimate Other Theology 36 43,500 7.4
Seventh-day Adventist Church Evangelical Protestant 189 43,222 7.3
Episcopal Church Mainline Protestant 136 41,731 7.1
Lutheran Church--Missouri Synod Evangelical Protestant 117 40,618 6.9
Church of the Nazarene Evangelical Protestant 141 37,085 6.3
International Church of the Foursquare Gospel Evangelical Protestant 150 33,434 5.7
Independent, Charismatic Churches Evangelical Protestant 23 33,430 5.7
Independent, Non-Charismatic Churches Evangelical Protestant 30 33,070 5.6
American Baptist Churches in the USA Mainline Protestant 121 31,087 5.3
Christian Churches and Churches of Christ Evangelical Protestant 63 21,621 3.7
Christian and Missionary Alliance, The Evangelical Protestant 74 19,805 3.4
Baptist General Conference Evangelical Protestant 46 17,551 3.0
Conservative Baptist Association of America Evangelical Protestant 70 16,594 2.8
Muslim Estimate Other Theology 18 15,553 2.6
Churches of Christ Evangelical Protestant 133 14,803 2.5
United Church of Christ Mainline Protestant 83 14,430 2.5
Christian Church (Disciples of Christ) Mainline Protestant 60 12,407 2.1
General Association of Regular Baptist Churches Evangelical Protestant 66 11,499 2.0
Christian Reformed Church in North America Evangelical Protestant 40 11,033 1.9
Evangelical Covenant Church, The Evangelical Protestant 42 9,801 1.7
Free Methodist Church of North America Evangelical Protestant 51 9,677 1.6
Church of God (Anderson, Indiana) Evangelical Protestant 47 7,727 1.3
Salvation Army, The Evangelical Protestant 28 7,605 1.3
Unitarian Universalist Association of Congregations Other Theology 29 5,828 1.0
Bahá'í Other Theology 86 5,817 1.0
Church of God (Cleveland, Tennessee) Evangelical Protestant 40 5,769 1.0
Evangelical Free Church of America, The Evangelical Protestant 46 5,648 1.0
Wisconsin Evangelical Lutheran Synod Evangelical Protestant 27 4,078 0.7
Greek Orthodox Archdiocese of America Orthodox 7 3,897 0.7
Vineyard USA Evangelical Protestant 22 3,874 0.7
Community of Christ Evangelical Protestant 31 3,864 0.7
Reformed Church in America Mainline Protestant 10 3,559 0.6
Friends (Quakers) Mainline Protestant 45 3,106 0.5
North American Baptist Conference Evangelical Protestant 23 3,056 0.5
Presbyterian Church in America Evangelical Protestant 15 2,380 0.4
Mennonite Brethren Churches, U.S. Conference of Evangelical Protestant 12 2,292 0.4
International Pentecostal Holiness Church Evangelical Protestant 30 1,740 0.3
Pentecostal Church of God Evangelical Protestant 25 1,544 0.3
Wesleyan Church, The Evangelical Protestant 9 1,511 0.3
Church of the Brethren Evangelical Protestant 12 1,455 0.3
International Council of Community Churches Mainline Protestant 6 1,230 0.2
Antiochian Orthodox Christian Archdiocese of North America, The Orthodox 5 1,180 0.2
American Baptist Association, The Evangelical Protestant 22 1,159 0.2
Association of Free Lutheran Congregations, The Evangelical Protestant 9 1,065 0.2
Church of God of Prophecy Evangelical Protestant 24 927 0.2
Armenian Apostolic Church / Catholicossate of Etchmiadzin Orthodox 1 924 0.2
National Association of Congregational Christian Churches Mainline Protestant 5 814 0.1
Orthodox Church in America: Territorial Dioceses Orthodox 5 812 0.1
Evangelical Presbyterian Church Evangelical Protestant 2 806 0.1
International Churches of Christ Evangelical Protestant 1 601 0.1
Hutterian Brethren Evangelical Protestant 6 600 0.1
Orthodox Presbyterian Church, The Evangelical Protestant 8 598 0.1
Mennonite Church USA Evangelical Protestant 6 593 0.1
Baptist Missionary Association of America Evangelical Protestant 6 455 0.1
United Reformed Churches in North America Evangelical Protestant 2 434 0.1
Serbian Orthodox Church in the USA Orthodox 1 400 0.1
Missionary Church, The Evangelical Protestant 6 398 0.1
Netherlands Reformed Congregations Evangelical Protestant 2 321 0.1
Universal Fellowship of Metropolitan Community Churches Mainline Protestant 7 314 0.1
Apostolic Catholic Assyrian Church of the East, North American Dioceses Orthodox 1 280 0.1
Holy Orthodox Church in North America Orthodox 2 184 0.0
National Association of Free Will Baptists Evangelical Protestant 2 173 0.0
Mennonite; Other Groups Evangelical Protestant 4 145 0.0
Church of God in Christ, Mennonite Evangelical Protestant 2 143 0.0
Protestant Reformed Churches in America Evangelical Protestant 1 131 0.0
Church of God General Conference Evangelical Protestant 3 119 0.0
Conservative Congregational Christian Conference Evangelical Protestant 3 119 0.0
Orthodox Church in America: Romanian Orthodox Episcopate of America Orthodox 1 77 0.0
Apostolic Christian Churches (Nazarene) Evangelical Protestant 1 70 0.0
Old Order Amish Church Evangelical Protestant 1 34 0.0
Associate Reformed Presbyterian Church Evangelical Protestant 1 19 0.0
Buddhism Other Theology 80 n.a. n.a.
Calvary Chapel Fellowship Churches Evangelical Protestant 44 n.a. n.a.
Tao Other Theology 1 n.a. n.a.
Southwide Baptist Fellowship Evangelical Protestant 2 n.a. n.a.
Primitive Baptist Churches--Old Line Evangelical Protestant 2 n.a. n.a.
Zoroastrian Other Theology 1 n.a. n.a.
Sikh Other Theology 4 n.a. n.a.
Reformed Baptist Churches Evangelical Protestant 7 n.a. n.a.
Hindu Other Theology 17 n.a. n.a.
Russian Orthodox Church Outside of Russia Orthodox 1 n.a. n.a.
Totals (Unadjusted)*: 4,649 1,942,850  
Total (Adjusted)**:   2,200,945  
The population of these 39 counties (or equivalents) in 1990 was 4,866,692; in 2000 it was 5,894,121. The total population changed 21.1%. The unadjusted adherent totals of the religious groups listed above (1,942,850) include 33.0% of the total population in 2000. The adjusted total adherents (2,200,945) include 37.3% 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]