35 Largest Christian Denominations in the U.S.

Based on the number of followers, name the Christian denomination Source: http://undergod.procon.org/view.background-resource.php?resourceID=87
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Last updated: December 3, 2016
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First submittedJuly 22, 2016
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50,873,000
Catholic
33,830,000
Baptist
14,190,000
Christian (no denomination)
14,150,000
Methodist
9,580,000
Lutheran
5,596,000
Presbyterian
4,647,000
Protestant
4,407,000
Pentecostal
3,451,000
Anglican
2,787,000
Mormon
2,503,000
Church of Christ
2,489,000
Nondenominational
1,378,000
Congregational
1,331,000
Jehovah's Witness
1,106,000
Assemblies of God
1,032,000
Evangelical
944,000
Church of God
724,000
Seventh Day Adventist
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Answer
645,000
Eastern Orthodox
569,000
Holiness
544,000
Church of the Nazarene
492,000
Disciples of Christ
358,000
Church of the Brethren
346,000
Mennonite
289,000
Dutch Reform
254,000
Apostolic
217,000
Quaker
194,000
Christian Science
168,000
Full Gospel
79,000
Christian Reform
71,000
Independent Christian Church
70,000
Foursquare Gospel
61,000
Fundamentalist
56,000
Born Again
25,000
Salvation Army
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6 Comments
+7
Level 88
Jul 22, 2016
All of the 35 largest Christian denominations should be denominations. "Christian (no denomination)" is not a denomination. "Protestant" is not a denomination.
+2
Level 67
Jun 10, 2022
But it is. A large segment of Americans claim to be Christian but don't adhere or participate in any large organized sect of Christianity. Arguably what Luther was after all along haha.

But if you really categorize American "Christians", it generally boils down to these.

Catholic, Anglican (English Catholic lite), Episcopal (American Anglican), Baptist (Anglican in the South), Presbyterian (Scottish Catholic in America). Protestant, Lutheran, Methodist, Unitarian.

The outliers being Mormons, Jehovah's Witness, and Mennonite (as they were isolated and restrictive versions of whatever came over from Europe during colonialization and imperialism later).

Protestant is a wide label yes, but it generally refers to any version of Christianity that agreed with Luther and split away from the Catholic Church. Lutheran is actually a specific version of that because of course people couldn't agree about how they disagreed with the Catholic Church.

+1
Level 33
Mar 13, 2026
Americans can claim to be protestant or non-denominational christans, but they're still not denominations.
+2
Level 68
Dec 1, 2016
Anglican spelt wrong. Interesting quiz.
+2
Level 63
Feb 12, 2024
How is Christian (no denomination) different from "Nondenominational"?
+1
Level 40
Aug 28, 2024
No Hutterites?