Religious Landscape Study

Religious composition of adults in Iowa

Evangelical Protestant 28%

Baptist Family (Evangelical Trad.) 5%

Southern Baptist Convention 1%

Independent Baptist (Evangelical Trad.) 3%

Missionary Baptist (Evangelical Trad.)< 1%

Conservative Baptist Association of America< 1%

Free Will Baptist< 1%

General Association of Regular Baptist Churches< 1%

Other Baptist (Evangelical Trad.) 1%

Methodist Family (Evangelical Trad.)< 1%

Nondenominational Family (Evangelical Trad.) 6%

Nondenominational evangelical 5%

Nondenominational fundamentalist< 1%

Nondenominational charismatic 1%

Nondenominational Christian (Evangelical Trad.)< 1%

Interdenominational (Evangelical Trad.)< 1%

Community Church (Evangelical Trad.)< 1%

Other Nondenominational (Evangelical Trad.)< 1%

Lutheran Family (Evangelical Trad.) 6%

Lutheran Church-Missouri Synod 5%

Wisconsin Evangelical Lutheran Synod< 1%

Other Lutheran (Evangelical Trad.) 1%

Presbyterian Family (Evangelical Trad.)< 1%

Presbyterian Church in America< 1%

Other Presbyterian (Evangelical Trad.)< 1%

Pentecostal Family (Evangelical Trad.) 3%

Assemblies of God 2%

Church of God (Cleveland, Tennessee)< 1%

Foursquare Church< 1%

Pentecostal Church of God< 1%

Pentecostal Holiness Church< 1%

Calvary Chapel< 1%

Apostolic Pentecostal (Evangelical Trad.)< 1%

Nondenominational Pentecostal (Evangelical Trad.)< 1%

Church of God of the Apostolic Faith< 1%

Other Pentecostal (Evangelical Trad.)< 1%

Episcopalian/Anglican Family (Evangelical Trad.)< 1%

Restorationist Family (Evangelical Trad.) 2%

Churches of Christ 2%

Christian Churches and Churches of Christ< 1%

Other Restorationist (Evangelical Trad.)< 1%

Congregationalist Family (Evangelical Trad.)< 1%

Conservative Congregational Christian Conference< 1%

Other Congregationalist (Evangelical Trad.)< 1%

Holiness Family (Evangelical Trad.)< 1%

Church of the Nazarene< 1%

Wesleyan Church< 1%

Free Methodist Church< 1%

Christian and Missionary Alliance< 1%

Church of God (Anderson, Indiana)< 1%

Other Holiness (Evangelical Trad.)< 1%

Reformed Family (Evangelical Trad.) 1%

Christian Reformed Church 1%

Other Reformed (Evangelical Trad.)< 1%

Adventist Family (Evangelical Trad.)< 1%

Seventh-day Adventist< 1%

Other Adventist (Evangelical Trad.)< 1%

Anabaptist Family (Evangelical Trad.) 1%

Pietist Family (Evangelical Trad.)< 1%

Other evangelical/fundamentalist family (Evangelical Trad.)< 1%

Nonspecific Protestant Family (Evangelical Trad.) 2%

Mainline Protestant 30%

Baptist Family (Mainline Trad.) 3%

American Baptist Churches USA 2%

Other Baptist (Mainline Trad.) 1%

Methodist Family (Mainline Trad.) 10%

United Methodist Church 8%

Other Methodist (Mainline Trad.) 2%

Nondenominational Family (Mainline Trad.)< 1%

Interdenominational (Mainline Trad.)< 1%

Other Nondenominational (Mainline Trad.)< 1%

Lutheran Family (Mainline Trad.) 8%

Evangelical Lutheran Church in America (ELCA) 7%

Other Lutheran (Mainline Trad.) 1%

Presbyterian Family (Mainline Trad.) 3%

Presbyterian Church (USA) 1%

Other Presbyterian (Mainline Trad.) 1%

Episcopalian/Anglican Family (Mainline Trad.) 2%

Episcopal Church 1%

Anglican Church< 1%

Other Episcopalian/Anglican (Mainline Trad.)< 1%

Restorationist Family (Mainline Trad.) 1%

Disciples of Christ 1%

Other Restorationist (Mainline Trad.)< 1%

Congregationalist Family (Mainline Trad.)< 1%

United Church of Christ< 1%

Other Congregationalist (Mainline Trad.)< 1%

Reformed Family (Mainline Trad.) 1%

Reformed Church in America 1%

Other Reformed (Mainline Trad.)< 1%

Anabaptist Family (Mainline Trad.)< 1%

Friends Family (Mainline Trad.)< 1%

Nonspecific Protestant Family (Mainline Trad.) 2%

Historically Black Protestant 2%

Baptist Family (Historically Black Protestant Trad.) 2%

National Baptist Convention< 1%

Progressive Baptist Convention< 1%

Independent Baptist (Historically Black Protestant Trad.)< 1%

Missionary Baptist (Historically Black Protestant Trad.)< 1%

Other Baptist (Historically Black Protestant Trad.) 2%

Methodist Family (Historically Black Protestant Trad.)< 1%

African Methodist Episcopal Church< 1%

African Methodist Episcopal Zion Church< 1%

Christian Methodist Episcopal Church< 1%

Other Methodist (Historically Black Protestant Trad.)< 1%

Pentecostal Family (Historically Black Protestant Trad.)< 1%

Church of God in Christ< 1%

Apostolic Pentecostal (Historically Black Protestant Trad.)< 1%

United Pentecostal Church International< 1%

Other Pentecostal (Historically Black Protestant Trad.)< 1%

Holiness Family (Historically Black Protestant Trad.)< 1%

Nondenominational Family (Historically Black Protestant Trad.)< 1%

Nonspecific Protestant Family (Historically Black Protestant Trad.)< 1%

Catholic 18%

Mormon< 1%

Church of Jesus Christ of Latter-day Saints< 1%

Other Mormon< 1%

Orthodox Christian< 1%

Greek Orthodox< 1%

Russian Orthodox< 1%

Orthodox Church in America< 1%

Other Orthodox Christian< 1%

Jehovah's Witness< 1%

Other Christian< 1%

Metaphysical Family< 1%

Spiritualist< 1%

Unity Church< 1%

Other Metaphysical Christian ("Other Christian" Trad.)< 1%

Others in the "Other Christian" Tradition< 1%

Jewish< 1%

Muslim 1%

Buddhist< 1%

Hindu< 1%

Other World Religions< 1%

Other Faiths< 1%

Unitarians and other liberal faiths in the "Other Faiths" Tradition< 1%

Unitarian< 1%

Humanist< 1%

Deist< 1%

Spiritual but not religious< 1%

Eclectic, a bit of everything, "I have my own beliefs"< 1%

Other in the "Unitarian and other liberal faiths" family< 1%

New Age< 1%

Pagan or Wiccan< 1%

Other in the New Age family< 1%

Native American Religions< 1%

Atheist 4%

Agnostic 2%

Nothing in particular 16%

Nothing in particular (religion not important) 10%

Nothing in particular (religion important) 6%

Beliefs and Practices
Social and Political Views

BeliefsandPractices

Belief in God among adults in Iowa

% of adults in Iowa who say they…

Survey year	Believe in God; absolutely certain	Believe in God; fairly certain	Believe in God; not too/not at all certain	Believe in God; don't know	Do not believe in God	Other/don't know if they believe in God	Sample size
2014	66%	17%	5%	2%	9%	2%	330
2007	70%	18%	2%	1%	6%	2%	487

Sample sizes and margins of error vary from subgroup to subgroup, from year to year and from state to state. You can see the sample size for the estimates in this chart on rollover or in the last column of the table. And visit this table to see approximate margins of error for a group of a given size. Readers should always bear in mind the approximate margin of error for the group they are examining when making comparisons with other groups or assessing the significance of trends over time. For full question wording, see the survey questionnaire.

Compare: belief in God by state

Learn More: belief in God, Believe in God; absolutely certain