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Marion County, Iowa - County Membership Report (2010)

Exact definitions of "congregations" and "adherents" vary by religious body. Congregations may be parishes, churches, synagogues, mosques, temples, or another site where a religious body has regularly scheduled worship services. Adherents generally are members, children who are not members, and others who are not members but are considered participants in the congregation.

[More information on the data sources]

Religious Bodies Tradition Family Congregations Adherents Adherence Rate
Reformed Church in America Mainline Protestant Presbyterian/Reformed Family 7 6,783 203.64
Christian Reformed Church in North America Evangelical Protestant Presbyterian/Reformed Family 7 3,217 96.58
United Methodist Church Mainline Protestant Methodist Family 13 2,568 77.10
Catholic Church Catholic Catholic Liturgical Family 3 2,368 71.09
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 2 832 24.98
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 2 820 24.62
Christian Church (Disciples of Christ) Mainline Protestant Restorationists Family 2 619 18.58
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 2 565 16.96
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 4 372 11.17
Evangelical Free Church of America Evangelical Protestant Methodist Family 1 350 10.51
Church of the Nazarene Evangelical Protestant Holiness Family 2 252 7.57
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 3 220 6.60
Church of Jesus Christ of Latter-day Saints Latter-day Saints Latter-day Saints (Mormonism) Family 1 212 6.36
Community of Christ Evangelical Protestant Latter-day Saints (Mormonism) Family 1 158 4.74
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 2 133 3.99
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 1 127 3.81
Converge Worldwide Evangelical Protestant Baptist Family 1 90 2.70
Seventh-day Adventist Church Evangelical Protestant Adventist Family 1 90 2.70
Churches of Christ Evangelical Protestant Restorationists Family 1 80 2.40
Open Bible Churches Evangelical Protestant Pentecostal Family 1 60 1.80
Orthodox Church in America, The Orthodox Eastern Liturgical (Orthodox) Family 1 40 1.20
International Church of the Foursquare Gospel Evangelical Protestant Pentecostal Family 1 40 1.20
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal Family 1 33 0.99
Free Methodist Church – USA Evangelical Protestant Holiness Family 1 17 0.51
Southern Baptist Convention Evangelical Protestant Baptist Family 1 14 0.42
Baha'i Faith Other Other Groups Family 0 4 0.12
Orthodox Presbyterian Church Evangelical Protestant Presbyterian/Reformed Family 1 0 0.00
Independent Fundamental Churches of America Evangelical Protestant Independent Fundamentalist Family 1
Communion of Reformed Evangelical Churches Evangelical Protestant Presbyterian/Reformed Family 1
General Association of Regular Baptist Churches Evangelical Protestant Baptist Family 2
Jehovah's Witnesses Jehovah's Witnesses Adventist Family 1
United Pentecostal Church International Evangelical Protestant Pentecostal Family 2
United Reformed Churches in North America Evangelical Protestant Presbyterian/Reformed Family 1
           

Religious Traditions (1980 - 2020), Percent of Population


The population of this county was 33,309 in 2010. The adherent totals of the religious groups listed above (20,064) included 60.2% of the total population in 2010. The adherence rate is the number of adherents of a given group per 1,000 people in the general population.

Note that data collection methods for religious bodies change over time, affecting the comparability of statistics. For further information, see the U.S. Religion Census website at https://www.usreligioncensus.org/.

The 2020 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include data for 372 religious bodies or groups. Of these, the ASARB was able to gather data on congregations and adherents for 217 and on congregations only for 155.

[More information on the data sources]

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