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.
[More information on the data sources]

Reports

Religious Bodies	Theology	Congregations	Adherents	% Change
International Church of the Foursquare Gospel	Evangelical Protestant	+30	+8,751	2743.0%
Mennonite Brethren Churches, U.S. Conference of	Evangelical Protestant	+2	+278	713.0%
Jewish Estimate	Other Theology	+17	+27,350	542.0%
Conservative Baptist Association of America	Evangelical Protestant	+4	+3,371	263.0%
Christian and Missionary Alliance, The	Evangelical Protestant	+13	+3,823	162.0%
American Baptist Association, The	Evangelical Protestant	0	+44	138.0%
Catholic Church	Catholic	+5	+158,954	131.0%
Unitarian Universalist Association of Congregations	Other Theology	+2	+1,347	108.0%
Evangelical Free Church of America, The	Evangelical Protestant	+1	+569	97.0%
Evangelical Covenant Church, The	Evangelical Protestant	+4	+2,179	85.0%
Church of the Nazarene	Evangelical Protestant	+3	+3,355	82.0%
Assemblies of God	Evangelical Protestant	+21	+10,980	82.0%
Christian Churches and Churches of Christ	Evangelical Protestant	+1	+3,561	67.0%
Church of Jesus Christ of Latter-day Saints, The	Other Theology	+54	+14,854	58.0%
Baptist General Conference	Evangelical Protestant	+5	+1,754	57.0%
Church of God (Cleveland, Tennessee)	Evangelical Protestant	0	+138	54.0%
Seventh-day Adventist Church	Evangelical Protestant	+11	+2,383	47.0%
Wisconsin Evangelical Lutheran Synod	Evangelical Protestant	+2	+259	32.0%
International Pentecostal Holiness Church	Evangelical Protestant	0	+19	28.0%
Salvation Army, The	Evangelical Protestant	+2	+443	23.0%
Southern Baptist Convention	Evangelical Protestant	+10	+2,059	21.0%
Churches of Christ	Evangelical Protestant	+10	+715	20.0%
Christian Reformed Church in North America	Evangelical Protestant	+3	+160	17.0%
Presbyterian Church (U.S.A.)	Mainline Protestant	+5	+2,222	9.0%
Association of Free Lutheran Congregations, The	Evangelical Protestant	+1	-2	-1.0%
Church of the Brethren	Evangelical Protestant	0	-33	-6.0%
American Baptist Churches in the USA	Mainline Protestant	0	-911	-7.0%
Presbyterian Church in America	Evangelical Protestant	+1	-92	-9.0%
Lutheran Church--Missouri Synod	Evangelical Protestant	+3	-1,770	-14.0%
Evangelical Lutheran Church in America	Mainline Protestant	-1	-6,328	-15.0%
Episcopal Church	Mainline Protestant	+4	-3,497	-16.0%
United Church of Christ	Mainline Protestant	-1	-1,537	-17.0%
United Methodist Church, The	Mainline Protestant	+3	-5,424	-23.0%
Friends (Quakers)	Mainline Protestant	+5	-176	-24.0%
Christian Church (Disciples of Christ)	Mainline Protestant	-1	-1,457	-35.0%
National Association of Congregational Christian Churches	Mainline Protestant	0	-39	-43.0%
Reformed Church in America	Mainline Protestant	+1	-266	-43.0%
Free Methodist Church of North America	Evangelical Protestant	-2	-3,019	-51.0%
Church of God (Anderson, Indiana)	Evangelical Protestant	-3	-1,000	-57.0%
North American Baptist Conference	Evangelical Protestant	0	-222	-60.0%
Universal Fellowship of Metropolitan Community Churches	Mainline Protestant	0	-241	-80.0%
Church of God of Prophecy	Evangelical Protestant	+2	+74	n.a.
Church of God General Conference	Evangelical Protestant	+1	+15	n.a.
Greek Orthodox Archdiocese of America	Orthodox	+3	+2,379	n.a.
Independent, Charismatic Churches	Evangelical Protestant	+8	+17,560	n.a.
Independent, Non-Charismatic Churches	Evangelical Protestant	+7	+13,190	n.a.
National Association of Free Will Baptists	Evangelical Protestant	+1	+84	n.a.
Orthodox Church in America: Territorial Dioceses	Orthodox	+2	+496	n.a.
Pentecostal Church of God	Evangelical Protestant	+2	+80	n.a.
Apostolic Catholic Assyrian Church of the East, North American Dioceses	Orthodox	+1	+280	n.a.
Wesleyan Church, The	Evangelical Protestant	+1	+42	n.a.
Evangelical Presbyterian Church	Evangelical Protestant	+2	+806	n.a.
	Totals:	+245	+258,560	+69.5%

The population of this county (or equivalent) in 1980 was 1,269,749; in 2000 it was 1,737,034. The total population changed 15.2%. The adherent totals for 1980 (376,568) represent 29.7% of the 1980 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 1980 and 2000 only. There is sufficient data for 52 groups to calculate 1980-2000 change. These 52 groups had 372,287 adherents in 1980 and 630,847 adherents in 2000, for a change of 69.5%

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]