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 % Change
American Baptist Association, The Evangelical Protestant +10 +638 122.0%
American Baptist Churches in the USA Mainline Protestant -8 -6,359 -17.0%
Apostolic Catholic Assyrian Church of the East, North American Dioceses Orthodox +1 +280 n.a.
Apostolic Christian Churches (Nazarene) Evangelical Protestant 0 +27 63.0%
Assemblies of God Evangelical Protestant +91 +46,101 77.0%
Association of Free Lutheran Congregations, The Evangelical Protestant +4 +242 29.0%
Baptist General Conference Evangelical Protestant +7 +8,337 90.0%
Baptist Missionary Association of America Evangelical Protestant -1 +121 36.0%
Catholic Church Catholic +13 +336,110 88.0%
Christian and Missionary Alliance, The Evangelical Protestant +28 +13,155 198.0%
Christian Church (Disciples of Christ) Mainline Protestant -19 -8,498 -41.0%
Christian Churches and Churches of Christ Evangelical Protestant -2 +8,477 64.0%
Christian Reformed Church in North America Evangelical Protestant +9 +2,322 27.0%
Church of God (Anderson, Indiana) Evangelical Protestant 0 -6,625 -46.0%
Church of God (Cleveland, Tennessee) Evangelical Protestant +4 +3,443 148.0%
Church of God General Conference Evangelical Protestant +1 -42 -26.0%
Church of God in Christ, Mennonite Evangelical Protestant +2 +143 n.a.
Church of God of Prophecy Evangelical Protestant +24 +927 n.a.
Church of Jesus Christ of Latter-day Saints, The Other Theology +233 +72,927 69.0%
Church of the Brethren Evangelical Protestant 0 -742 -34.0%
Church of the Nazarene Evangelical Protestant +16 +12,023 48.0%
Churches of Christ Evangelical Protestant +26 +1,489 11.0%
Conservative Baptist Association of America Evangelical Protestant +11 +5,124 45.0%
Conservative Congregational Christian Conference Evangelical Protestant +3 +119 n.a.
Episcopal Church Mainline Protestant +11 -9,606 -19.0%
Evangelical Covenant Church, The Evangelical Protestant +11 +4,445 83.0%
Evangelical Free Church of America, The Evangelical Protestant +18 +3,493 162.0%
Evangelical Lutheran Church in America Mainline Protestant +12 -3,064 -2.0%
Evangelical Presbyterian Church Evangelical Protestant +2 +806 n.a.
Free Methodist Church of North America Evangelical Protestant -3 -5,677 -37.0%
Friends (Quakers) Mainline Protestant +27 +815 36.0%
Greek Orthodox Archdiocese of America Orthodox +7 +3,897 n.a.
Hutterian Brethren Evangelical Protestant +6 +600 n.a.
Independent, Charismatic Churches Evangelical Protestant +23 +33,430 n.a.
Independent, Non-Charismatic Churches Evangelical Protestant +30 +33,070 n.a.
International Church of the Foursquare Gospel Evangelical Protestant +121 +30,150 918.0%
International Pentecostal Holiness Church Evangelical Protestant +22 +1,152 196.0%
Jewish Estimate Other Theology +29 +37,671 646.0%
Lutheran Church--Missouri Synod Evangelical Protestant +10 -3,508 -8.0%
Mennonite Brethren Churches, U.S. Conference of Evangelical Protestant +8 +1,896 479.0%
Missionary Church, The Evangelical Protestant -1 +47 13.0%
National Association of Congregational Christian Churches Mainline Protestant 0 -404 -33.0%
National Association of Free Will Baptists Evangelical Protestant +2 +173 n.a.
Netherlands Reformed Congregations Evangelical Protestant +2 +321 n.a.
North American Baptist Conference Evangelical Protestant +11 +982 47.0%
Orthodox Church in America: Territorial Dioceses Orthodox +5 +812 n.a.
Orthodox Presbyterian Church, The Evangelical Protestant +7 +542 968.0%
Pentecostal Church of God Evangelical Protestant +25 +1,544 n.a.
Presbyterian Church (U.S.A.) Mainline Protestant +19 +3,054 4.0%
Presbyterian Church in America Evangelical Protestant +5 +837 54.0%
Protestant Reformed Churches in America Evangelical Protestant 0 -59 -31.0%
Reformed Church in America Mainline Protestant +2 +239 7.0%
Salvation Army, The Evangelical Protestant +8 +2,400 46.0%
Seventh-day Adventist Church Evangelical Protestant +51 +12,136 39.0%
Southern Baptist Convention Evangelical Protestant +73 +17,003 38.0%
Unitarian Universalist Association of Congregations Other Theology +6 +3,138 117.0%
United Church of Christ Mainline Protestant -11 -5,693 -28.0%
United Methodist Church, The Mainline Protestant +5 -21,466 -22.0%
Universal Fellowship of Metropolitan Community Churches Mainline Protestant +5 -56 -15.0%
Wesleyan Church, The Evangelical Protestant +9 +1,511 n.a.
Wisconsin Evangelical Lutheran Synod Evangelical Protestant +4 +864 27.0%
  Totals: +1,014 +637,234 +50.6%

The population of these 39 counties (or equivalents) in 1980 was 4,132,156; in 2000 it was 5,894,121. The total population changed 21.1%. The adherent totals for 1980 (1,272,579) represent 30.8% of the 1980 population. The adherent totals for 2000 (1,942,850) include 33.0% of the 2000 population. There is sufficient data for 61 groups to calculate 1980-2000 change. These 61 groups had 1,259,188 adherents in 1980 and 1,896,422 adherents in 2000, for a change of 50.6%

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 1980 data were collected by the Glenmary Research Center and include statistics for 111 Judeo-Christian church bodies, including number of churches and adherents. Bernard Quinn, Herman Anderson, Martin Bradley, Paul Goetting and Peggy Shriver supervised the collection. These data originally appeared in Churches and Church Membership in the United States, 1980, published by the Glenmary Research Center.

[More information on these data sources]