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.
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Reports


Religious Bodies Theology Congregations Adherents % Change
American Baptist Churches in the USA Mainline Protestant -16 -5,143 -14.2%
Apostolic Catholic Assyrian Church of the East, North American Dioceses Orthodox 0 +96 52.2%
Apostolic Christian Churches (Nazarene) Evangelical Protestant 0 +27 62.8%
Assemblies of God Evangelical Protestant -4 +20,927 24.7%
Association of Free Lutheran Congregations, The Evangelical Protestant +1 +51 5.0%
Baptist General Conference Evangelical Protestant +5 +6,084 53.1%
Baptist Missionary Association of America Evangelical Protestant +2 +164 56.4%
Catholic Church Catholic -5 +189,587 36.0%
Christian and Missionary Alliance, The Evangelical Protestant +10 +6,358 47.3%
Christian Church (Disciples of Christ) Mainline Protestant -12 -2,380 -16.1%
Christian Churches and Churches of Christ Evangelical Protestant -3 +3,052 16.4%
Christian Reformed Church in North America Evangelical Protestant +3 +923 9.1%
Church of God (Anderson, Indiana) Evangelical Protestant +1 +1,743 29.1%
Church of God (Cleveland, Tennessee) Evangelical Protestant +6 +1,696 41.6%
Church of God General Conference Evangelical Protestant 0 -142 -54.4%
Church of God in Christ, Mennonite Evangelical Protestant +1 +82 134.4%
Church of God of Prophecy Evangelical Protestant -3 +6 0.7%
Church of Jesus Christ of Latter-day Saints, The Other Theology +100 +27,366 18.2%
Church of the Brethren Evangelical Protestant -1 -454 -23.8%
Church of the Nazarene Evangelical Protestant +6 +8,921 31.7%
Churches of Christ Evangelical Protestant +4 -57 -0.4%
Conservative Baptist Association of America Evangelical Protestant +3 n.a. n.a.
Conservative Congregational Christian Conference Evangelical Protestant +1 +32 36.8%
Episcopal Church Mainline Protestant +3 -2,515 -5.7%
Evangelical Free Church of America, The Evangelical Protestant +5 +386 7.3%
Evangelical Lutheran Church in America Mainline Protestant -1 -4,674 -3.5%
Evangelical Presbyterian Church Evangelical Protestant -1 +166 25.9%
Free Methodist Church of North America Evangelical Protestant -8 +1,683 21.1%
Friends (Quakers) Mainline Protestant +12 +1,195 62.5%
Greek Orthodox Archdiocese of America Orthodox +1 n.a. n.a.
Hutterian Brethren Evangelical Protestant +2 +320 114.3%
Independent, Charismatic Churches Evangelical Protestant -12 +5,115 18.1%
Independent, Non-Charismatic Churches Evangelical Protestant +11 +21,340 181.9%
International Church of the Foursquare Gospel Evangelical Protestant +54 +11,081 49.6%
International Pentecostal Holiness Church Evangelical Protestant +13 +838 92.9%
Jewish Estimate Other Theology +17 +9,811 29.1%
Lutheran Church--Missouri Synod Evangelical Protestant +2 -1,298 -3.1%
Mennonite Brethren Churches, U.S. Conference of Evangelical Protestant +8 +1,903 489.2%
Mennonite Church USA Evangelical Protestant -1 -163 -21.6%
Missionary Church, The Evangelical Protestant -2 +84 26.8%
National Association of Congregational Christian Churches Mainline Protestant 0 -607 -42.7%
National Association of Free Will Baptists Evangelical Protestant -4 -337 -66.1%
Netherlands Reformed Congregations Evangelical Protestant 0 +31 10.7%
North American Baptist Conference Evangelical Protestant +8 +458 17.6%
Orthodox Church in America: Territorial Dioceses Orthodox +2 n.a. n.a.
Pentecostal Church of God Evangelical Protestant -11 -1,161 -42.9%
Presbyterian Church (U.S.A.) Mainline Protestant +6 +2,115 2.9%
Presbyterian Church in America Evangelical Protestant +3 +573 31.7%
Reformed Church in America Mainline Protestant +1 -104 -2.8%
Salvation Army, The Evangelical Protestant +6 +4,907 181.9%
Seventh-day Adventist Church Evangelical Protestant +39 +3,555 9.0%
Southern Baptist Convention Evangelical Protestant +32 +2,002 3.3%
Unitarian Universalist Association of Congregations Other Theology +4 +831 16.6%
United Church of Christ Mainline Protestant -9 -3,751 -20.6%
United Methodist Church, The Mainline Protestant +6 -12,851 -14.4%
Wesleyan Church, The Evangelical Protestant -1 +840 125.2%
Wisconsin Evangelical Lutheran Synod Evangelical Protestant +1 +207 5.3%
  Totals: +285 +300,919 +19.3%

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 adherent totals for 1990 (1,612,516) represent 33.1% of the 1990 population. The adherent totals for 2000 (1,942,850) include 33.0% of the 2000 population. There is sufficient data for 54 groups to calculate 1990-2000 change. These 54 groups had 1,562,790 adherents in 1990 and 1,863,709 adherents in 2000, for a change of 19.3%

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]