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Polk County (Iowa)

Religious Traditions, 2010

53,822 5,275 61,821 62,867 646 9,331 236,878
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]

Reports


Religious Bodies Tradition Family Congregations Adherents Adherence Rate
United Methodist Church, The Mainline Protestant Methodist/Pietist 37 20,853 68.78
Evangelical Lutheran Church in America Mainline Protestant Lutheran 24 17,958 59.23
Catholic Church Catholic Catholicism 22 43,395 143.14
Christian Church (Disciples of Christ) Mainline Protestant Baptist 19 10,365 34.19
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed 16 10,031 33.09
Open Bible Standard Churches, Inc. Evangelical Protestant Pentecostal 13 3,305 10.90
Assemblies of God Evangelical Protestant Pentecostal 10 2,963 9.77
Churches of Christ Evangelical Protestant Baptist 10 844 2.78
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran 10 4,859 16.03
Christian Churches and Churches of Christ Evangelical Protestant Baptist 8 2,021 6.67
Evangelical Free Church of America, The Evangelical Protestant Methodist/Pietist 7 1,083 3.57
American Baptist Churches in the USA Mainline Protestant Baptist 6 1,995 6.58
Church of the Nazarene Evangelical Protestant Holiness 6 1,402 4.62
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism 6 2,906 9.59
United Church of Christ Mainline Protestant Presbyterian-Reformed 6 4,301 14.19
Southern Baptist Convention Evangelical Protestant Baptist 5 1,466 4.84
Christian Brethren Evangelical Protestant Ind. Fundamentalist 3 320 1.06
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal 3 151 0.50
Reformed Church in America Mainline Protestant Presbyterian-Reformed 3 1,266 4.18
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints 2 981 3.24
Church of the Brethren Evangelical Protestant European Free-Church 2 432 1.42
Converge Worldwide/Baptist General Conference Evangelical Protestant Baptist 2 581 1.92
Evangelical Covenant Church, The Evangelical Protestant Methodist/Pietist 2 560 1.85
Free Methodist Church of North America Evangelical Protestant Holiness 2 363 1.20
Friends (Quakers) Mainline Protestant European Free-Church 2 313 1.03
Jewish Other Judaism 2 941 3.10
Salvation Army Evangelical Protestant Holiness 2 1,647 5.43
Seventh-day Adventist Church Evangelical Protestant Adventist 2 866 2.86
African Methodist Episcopal Zion Church Black Protestant Methodist/Pietist 1 269 0.89
Brethren In Christ Church Evangelical Protestant European Free-Church 1 86 0.28
Christian and Missionary Alliance, The Evangelical Protestant Holiness 1 88 0.29
Christian Reformed Church in North America Evangelical Protestant Presbyterian-Reformed 1 208 0.69
Church of God (Anderson, Indiana) Evangelical Protestant Holiness 1 228 0.75
Conservative Baptist Association of America Evangelical Protestant Baptist 1 121 0.40
Foursquare Gospel, International Church of the Evangelical Protestant Pentecostal 1 263 0.87
Grace Brethren Churches, Fellowship of Mainline Protestant European Free-Church 1 0 0.00
Latvian Evangelical Lutheran Church in America Mainline Protestant Lutheran 1 114 0.38
Mennonite Church Evangelical Protestant European Free-Church 1 39 0.13
Metropolitan Community Churches, Universal Fellowship of Mainline Protestant Other Groups 1 80 0.26
Unitarian Universalist Association of Congregations Other Liberal 1 333 1.10
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran 1 234 0.77
Black Baptists Estimate Evangelical Protestant Baptist 0 0 0.00
Church of Christ, Scientist Other Christian Science 0 0 0.00
Church of God of Prophecy Evangelical Protestant Pentecostal 0 0 0.00
Church of the United Brethren in Christ Evangelical Protestant Methodist/Pietist 0 0 0.00
Evangelical Presbyterian Church Evangelical Protestant Presbyterian-Reformed 0 0 0.00
Greek Orthodox Archdiocese of America Orthodox Eastern Liturgical (Orthodox) 0 0 0.00
Independent Fundamental Churches of America Evangelical Protestant Ind. Fundamentalist 0 0 0.00
Independent, Charismatic Churches Evangelical Protestant Pentecostal 0 0 0.00
Independent, Non-Charismatic Churches Evangelical Protestant
----
0 0 0.00
Pentecostal Church of God Evangelical Protestant Pentecostal 0 0 0.00
Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed 0 0 0.00
Wesleyan Church, The Evangelical Protestant Holiness 0 0 0.00
Totals: 245 140,231  

The population of Polk County, Iowa was 303,170 in 1980. The adherent totals of the religious groups listed above (140,231) included 46.3% of the total population in 1980.

* 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 www.usreligioncensus.org for those who are interested in these trends.

Source

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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