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Hamilton County (Ohio)

Religious Traditions, 2010

93,166 20,814 76,354 205,094 3,879 21,699 381,368
Evangelical Protestant Black Protestant Mainline Protestant Catholic Orthodox Other Unclaimed

Congregational adherents include all full members, their children, and others who regularly attend services. The 2010 reports contain incomplete counts of congregations and adherents belonging to the eight largest historically African-American denominations. These denominations are not included in the 2000 reports and are largely missing from the 1990 and 1980 reports.
[More information on the data sources]


Religious Bodies Tradition Family Congregations Adherents Adherence Rate
Catholic Church Catholic Catholicism 96 267,806 309.16
Black Baptists Estimate Evangelical Protestant Baptist --- 62,089 71.68
United Methodist Church, The Mainline Protestant Methodist/Pietist 72 36,358 41.97
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed 50 25,496 29.43
Southern Baptist Convention Evangelical Protestant Baptist 40 17,195 19.85
Christian Churches and Churches of Christ Evangelical Protestant Baptist 33 15,503 17.90
Jewish Other Judaism 24 13,709 15.83
American Baptist Churches in the USA Mainline Protestant Baptist 22 10,529 12.15
United Church of Christ Mainline Protestant Presbyterian-Reformed 28 10,045 11.60
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism 23 8,854 10.22
African Methodist Episcopal Zion Church Black Protestant Methodist/Pietist 11 6,684 7.72
Independent, Non-Charismatic Churches Evangelical Protestant
7 6,261 7.23
Church of the Nazarene Evangelical Protestant Holiness 20 6,018 6.95
Evangelical Lutheran Church in America Mainline Protestant Lutheran 15 5,570 6.43
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran 12 5,176 5.98
Churches of Christ Evangelical Protestant Baptist 21 3,327 3.84
Christian Church (Disciples of Christ) Mainline Protestant Baptist 14 3,028 3.50
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal 16 2,721 3.14
Assemblies of God Evangelical Protestant Pentecostal 6 2,312 2.67
Independent, Charismatic Churches Evangelical Protestant Pentecostal 5 2,105 2.43
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints 4 1,851 2.14
Seventh-day Adventist Church Evangelical Protestant Adventist 6 1,740 2.01
Church of God (Anderson, Indiana) Evangelical Protestant Holiness 13 1,370 1.58
Unitarian Universalist Association of Congregations Other Liberal 4 995 1.15
Converge Worldwide/Baptist General Conference Evangelical Protestant Baptist 2 805 0.93
Wesleyan Church, The Evangelical Protestant Holiness 7 547 0.63
Church of God, Mountain Assembly, Inc. Evangelical Protestant Pentecostal 8 517 0.60
Christian and Missionary Alliance, The Evangelical Protestant Holiness 4 448 0.52
Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed 2 360 0.42
Friends (Quakers) Mainline Protestant European Free-Church 3 341 0.39
United Baptists Evangelical Protestant Baptist 1 256 0.30
Evangelical Free Church of America, The Evangelical Protestant Methodist/Pietist 3 255 0.29
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran 1 217 0.25
Mennonite Church USA Evangelical Protestant European Free-Church 4 214 0.25
Christian Brethren Evangelical Protestant Ind. Fundamentalist 2 210 0.24
Christian Reformed Church in North America Evangelical Protestant Presbyterian-Reformed 1 125 0.14
Foursquare Gospel, International Church of the Evangelical Protestant Pentecostal 1 76 0.09
Congregational Christian Churches, Additional (not part of any national CCC body) Mainline Protestant Presbyterian-Reformed 1 73 0.08
Latvian Evangelical Lutheran Church in America Mainline Protestant Lutheran 1 51 0.06
Brethren In Christ Church Evangelical Protestant European Free-Church 1 45 0.05
Church of God of Prophecy Evangelical Protestant Pentecostal 1 45 0.05
Reformed Episcopal Church Evangelical Protestant Episcopalianism/Anglicanism 1 30 0.03
Free Methodist Church of North America Evangelical Protestant Holiness 1 25 0.03
Church of Christ, Scientist Other Christian Science 6 --- ---
Conservative Baptist Association of America Evangelical Protestant Baptist 2 --- ---
Greek Orthodox Archdiocese of America Orthodox Eastern Liturgical (Orthodox) 1 --- ---
Open Bible Standard Churches, Inc. Evangelical Protestant Pentecostal 2 --- ---
Orthodox Church in America Orthodox Eastern Liturgical (Orthodox) 1 --- ---
Totals: 599 521,382  

The population of Hamilton County, Ohio was 866,228 in 1990; in 1980 it was 873,224. The total population changed -0.8%. The adherent totals of the religious groups listed above (521,382) included 60.2% of the total population in 1990.

* In an effort to better match the ASARB standards for adherents, a few religious bodies changed the way their adherents were reported in 2010, including the Catholic Church, Amish groups, Friends groups, Jewish groups, the Church of Jesus Christ of Latter-day Saints, Non-denominational Christian Churches, and the United Methodist Church. This change does not affect any of the data in the newly released 2010 U.S. Religion Census: Religious Congregations & Membership Study. In fact, the data for these groups are now more comparable to that of other bodies than it was in previous decadal reports.

However, the change in methodology can distort assessments on growth or decline between 2000 and 2010 for each of these groups. County-level 2000 data using the new methodology are not readily available. ASARB staff has adjusted some 2000 county-level adherent statistics to allow for a more accurate picture on growth or decline. The revised maps and charts are now available on-line at for those who are interested in these trends.


2010 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include statistics for 236 religious groups, providing information on the number of their congregations and adherents within each state and county in the United States. Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E. Jones, Alexei Krindatch, Richie Stanley and Richard H. Taylor supervised the collection. These data originally appeared in 2010 U.S. Religion Census: Religious Congregations & Membership Study, published by the Association of Statisticians of American Religious Bodies (ASARB). [More information on the data collection]

The adherence rate provides the number of adherents of a particular group per 1,000 population. For example, in 2010 the Episcopal Church had an adherence rate of 7.6 in Autauga County, Alabama. This means that about 8 out of every 1,000 people in Autauga County were Episcopalian.

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