County Membership Report
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King County, Washington

Denominational Groups, 2000

152,955 123,154 4,736 280,568 85,809 1,089,812
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
Catholic Church Catholic +5 +69,040 32.6%
Jewish Estimate Other Theology +8 +10,425 47.4%
Independent, Non-Charismatic Churches Evangelical Protestant +1 +8,640 189.9%
Assemblies of God Evangelical Protestant +1 +5,871 31.6%
Independent, Charismatic Churches Evangelical Protestant -8 +3,075 21.2%
Church of Jesus Christ of Latter-day Saints, The Other Theology +15 +2,330 6.1%
Christian and Missionary Alliance, The Evangelical Protestant +7 +2,323 60.2%
Church of the Nazarene Evangelical Protestant -1 +2,199 41.8%
Presbyterian Church (U.S.A.) Mainline Protestant +2 +1,825 7.3%
Salvation Army, The Evangelical Protestant +2 +1,737 290.0%
International Church of the Foursquare Gospel Evangelical Protestant +14 +1,524 20.2%
Baptist General Conference Evangelical Protestant +3 +1,216 33.5%
Episcopal Church Mainline Protestant +2 +349 2.0%
Free Methodist Church of North America Evangelical Protestant -3 +348 13.5%
Southern Baptist Convention Evangelical Protestant +5 +338 3.0%
Unitarian Universalist Association of Congregations Other Theology +2 +317 13.9%
Seventh-day Adventist Church Evangelical Protestant +5 +278 3.9%
Wisconsin Evangelical Lutheran Synod Evangelical Protestant +2 +225 26.4%
Evangelical Presbyterian Church Evangelical Protestant 0 +194 31.7%
Lutheran Church--Missouri Synod Evangelical Protestant -1 +177 1.6%
Apostolic Catholic Assyrian Church of the East, North American Dioceses Orthodox 0 +145 107.4%
Christian Reformed Church in North America Evangelical Protestant +3 +122 12.3%
Evangelical Free Church of America, The Evangelical Protestant -1 +84 7.9%
International Pentecostal Holiness Church Evangelical Protestant +1 +54 168.8%
Friends (Quakers) Mainline Protestant +2 +14 2.7%
National Association of Free Will Baptists Evangelical Protestant 0 +11 15.1%
Church of God General Conference Evangelical Protestant 0 -3 -16.7%
National Association of Congregational Christian Churches Mainline Protestant 0 -13 -20.3%
Association of Free Lutheran Congregations, The Evangelical Protestant +1 -23 -9.3%
Church of God of Prophecy Evangelical Protestant -1 -24 -24.5%
North American Baptist Conference Evangelical Protestant +1 -60 -28.6%
Church of God (Cleveland, Tennessee) Evangelical Protestant +1 -61 -13.3%
Church of God (Anderson, Indiana) Evangelical Protestant +1 -88 -10.5%
Mennonite Church USA Evangelical Protestant 0 -130 -39.4%
Church of the Brethren Evangelical Protestant -1 -141 -21.5%
Wesleyan Church, The Evangelical Protestant -2 -146 -77.7%
Pentecostal Church of God Evangelical Protestant -1 -150 -65.2%
Presbyterian Church in America Evangelical Protestant -1 -256 -22.1%
Reformed Church in America Mainline Protestant 0 -304 -46.2%
Churches of Christ Evangelical Protestant +3 -330 -7.0%
Christian Churches and Churches of Christ Evangelical Protestant +1 -543 -5.8%
American Baptist Churches in the USA Mainline Protestant -3 -720 -5.5%
United Church of Christ Mainline Protestant -2 -761 -8.9%
Christian Church (Disciples of Christ) Mainline Protestant -1 -997 -27.0%
United Methodist Church, The Mainline Protestant +2 -3,011 -14.0%
Evangelical Lutheran Church in America Mainline Protestant -2 -3,311 -8.6%
Conservative Baptist Association of America Evangelical Protestant +2 n.a. n.a.
Greek Orthodox Archdiocese of America Orthodox +1 n.a. n.a.
Orthodox Church in America: Territorial Dioceses Orthodox 0 n.a. n.a.
  Totals: +65 +101,789 +19.7%

The population of this county (or equivalent) in 1990 was 1,507,319; in 2000 it was 1,737,034. The total population changed 15.2%. The adherent totals for 1990 (539,726) represent 35.8% of the 1990 population. The adherent totals for 2000 (647,222) include 37.3% of the 2000 population. The totals represent the change in groups that reported in both 1990 and 2000 only. There is sufficient data for 46 groups to calculate 1990-2000 change. These 46 groups had 516,531 adherents in 1990 and 618,320 adherents in 2000, for a change of 19.7%

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.

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