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