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 +571 24.1%
American Carpatho-Russian Orthodox Greek Catholic Church Orthodox 0 +125 152.4%
Assemblies of God Evangelical Protestant +10 +1,032 43.8%
Baptist General Conference Evangelical Protestant +1 +301 142.0%
Catholic Church Catholic -1 +32,234 4.9%
Christian and Missionary Alliance, The Evangelical Protestant -1 +126 60.9%
Christian Church (Disciples of Christ) Mainline Protestant 0 -104 n.a.
Christian Churches and Churches of Christ Evangelical Protestant 0 +294 82.4%
Church of God (Anderson, Indiana) Evangelical Protestant 0 +8 4.4%
Church of God (Cleveland, Tennessee) Evangelical Protestant +9 +1,130 588.5%
Church of God of Prophecy Evangelical Protestant +1 +169 63.8%
Church of Jesus Christ of Latter-day Saints, The Other Theology +7 +565 56.3%
Church of the Nazarene Evangelical Protestant +1 +133 10.6%
Churches of Christ Evangelical Protestant 0 +166 49.1%
Conservative Baptist Association of America Evangelical Protestant 0 n.a. n.a.
Conservative Congregational Christian Conference Evangelical Protestant 0 +6 8.5%
Episcopal Church Mainline Protestant -1 -5,697 -26.1%
Evangelical Free Church of America, The Evangelical Protestant 0 -67 -26.1%
Evangelical Lutheran Church in America Mainline Protestant +2 -414 -2.1%
Friends (Quakers) Mainline Protestant -1 -252 -50.4%
Greek Orthodox Archdiocese of America Orthodox 0 n.a. n.a.
Independent, Charismatic Churches Evangelical Protestant 0 -50 -14.3%
Jewish Estimate Other Theology +4 -104,700 -33.6%
Lutheran Church--Missouri Synod Evangelical Protestant -1 -190 -3.4%
North American Baptist Conference Evangelical Protestant 0 +27 34.6%
Orthodox Church in America: Territorial Dioceses Orthodox -1 n.a. n.a.
Presbyterian Church (U.S.A.) Mainline Protestant -1 -1,046 -17.6%
Reformed Church in America Mainline Protestant +1 -664 -21.3%
Salvation Army, The Evangelical Protestant +1 +1,194 374.3%
Seventh-day Adventist Church Evangelical Protestant 0 -146 -5.8%
Southern Baptist Convention Evangelical Protestant +3 +246 190.7%
Ukrainian Orthodox Church of the USA Orthodox 0 n.a. n.a.
Unitarian Universalist Association of Congregations Other Theology 0 -125 -9.5%
United Church of Christ Mainline Protestant 0 -1,213 -30.2%
United Methodist Church, The Mainline Protestant 0 -3,545 -17.0%
  Totals: +36 -79,886 -7.5%

The population of this county (or equivalent) in 1990 was 1,287,348; in 2000 it was 1,334,544. The total population changed 3.7%. The adherent totals for 1990 (1,100,639) represent 85.5% of the 1990 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 1990 and 2000 only. There is sufficient data for 31 groups to calculate 1990-2000 change. These 31 groups had 1,069,553 adherents in 1990 and 989,667 adherents in 2000, for a change of -7.5%

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 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]


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