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This graph shows the largest churches among Mainline Protestant denominations in the United States in 2010, by number of congregations. In 2010, the United Methodist Church was the largest church, with 33,323 congregations.
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Largest churches among Mainline Protestant denominations in the United States in 2010, by number of congregations
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ASARB. (May 1, 2012). Largest churches among Mainline Protestant denominations in the United States in 2010, by number of congregations [Graph]. In Statista. Retrieved November 14, 2025, from https://www.statista.com/statistics/245416/largest-mainline-protestant-churches-in-the-us-by-congregations/
ASARB. "Largest churches among Mainline Protestant denominations in the United States in 2010, by number of congregations." Chart. May 1, 2012. Statista. Accessed November 14, 2025. https://www.statista.com/statistics/245416/largest-mainline-protestant-churches-in-the-us-by-congregations/
ASARB. (2012). Largest churches among Mainline Protestant denominations in the United States in 2010, by number of congregations. Statista. Statista Inc.. Accessed: November 14, 2025. https://www.statista.com/statistics/245416/largest-mainline-protestant-churches-in-the-us-by-congregations/
ASARB. "Largest Churches among Mainline Protestant Denominations in The United States in 2010, by Number of Congregations." Statista, Statista Inc., 1 May 2012, https://www.statista.com/statistics/245416/largest-mainline-protestant-churches-in-the-us-by-congregations/
ASARB, Largest churches among Mainline Protestant denominations in the United States in 2010, by number of congregations Statista, https://www.statista.com/statistics/245416/largest-mainline-protestant-churches-in-the-us-by-congregations/ (last visited November 14, 2025)
Largest churches among Mainline Protestant denominations in the United States in 2010, by number of congregations [Graph], ASARB, May 1, 2012. [Online]. Available: https://www.statista.com/statistics/245416/largest-mainline-protestant-churches-in-the-us-by-congregations/
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