County Membership Report
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Nassau County, New York

Denominational Groups, 2000

21,344 67,069 10,238 694,389 221,175 320,329
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 Churches in the USA Mainline Protestant +3 -265 -8.0%
American Carpatho-Russian Orthodox Greek Catholic Church Orthodox +1 +207 n.a.
Assemblies of God Evangelical Protestant +15 +1,810 115.0%
Baptist General Conference Evangelical Protestant +3 +513 n.a.
Catholic Church Catholic -1 +146,571 27.0%
Christian and Missionary Alliance, The Evangelical Protestant +1 +180 118.0%
Christian Church (Disciples of Christ) Mainline Protestant 0 -123 n.a.
Christian Churches and Churches of Christ Evangelical Protestant +2 +498 326.0%
Church of God (Anderson, Indiana) Evangelical Protestant +1 -173 -48.0%
Church of God (Cleveland, Tennessee) Evangelical Protestant +8 +1,265 2219.0%
Church of God of Prophecy Evangelical Protestant +5 +434 n.a.
Church of Jesus Christ of Latter-day Saints, The Other Theology +7 +597 62.0%
Church of the Nazarene Evangelical Protestant +3 +244 21.0%
Churches of Christ Evangelical Protestant -1 +71 16.0%
Conservative Baptist Association of America Evangelical Protestant 0 -232 -16.0%
Conservative Congregational Christian Conference Evangelical Protestant +1 +77 n.a.
Episcopal Church Mainline Protestant -3 -12,557 -44.0%
Evangelical Covenant Church, The Evangelical Protestant 0 -46 -58.0%
Evangelical Free Church of America, The Evangelical Protestant 0 -40 -17.0%
Evangelical Lutheran Church in America Mainline Protestant 0 -6,083 -24.0%
Friends (Quakers) Mainline Protestant +1 -402 -62.0%
Greek Orthodox Archdiocese of America Orthodox +7 +8,148 n.a.
Independent, Charismatic Churches Evangelical Protestant +1 +300 n.a.
Jewish Estimate Other Theology +67 +157,608 319.0%
Lutheran Church--Missouri Synod Evangelical Protestant 0 -990 -16.0%
North American Baptist Conference Evangelical Protestant 0 -3 -3.0%
Orthodox Church in America: Territorial Dioceses Orthodox +2 +509 n.a.
Orthodox Presbyterian Church, The Evangelical Protestant 0 +227 183.0%
Presbyterian Church (U.S.A.) Mainline Protestant -2 -4,628 -48.0%
Reformed Church in America Mainline Protestant 0 -2,178 -47.0%
Salvation Army, The Evangelical Protestant +1 +122 9.0%
Seventh-day Adventist Church Evangelical Protestant +3 +717 44.0%
Southern Baptist Convention Evangelical Protestant +2 +104 38.0%
Ukrainian Orthodox Church of the USA Orthodox 0 -215 -88.0%
Unitarian Universalist Association of Congregations Other Theology 0 +198 20.0%
United Church of Christ Mainline Protestant 0 -3,166 -53.0%
United Methodist Church, The Mainline Protestant +2 -7,392 -30.0%
  Totals: +129 281,907 +39.3%

The population of this county (or equivalent) in 1980 was 1,321,582; in 2000 it was 1,334,544. The total population changed 3.7%. The adherent totals for 1980 (726,682) represent 55.0% of the 1980 population. The adherent totals for 2000 (1,014,215) include 76.0% of the 2000 population. The totals represent the change in groups that reported in both 1980 and 2000 only. There is sufficient data for 37 groups to calculate 1980-2000 change. These 37 groups had 718,096 adherents in 1980 and 1,000,003 adherents in 2000, for a change of 39.3%

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 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]


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