This graph shows the largest churches among Mainline Protestant denominations in the United States in 2010, by number of adherents. In 2010, the United Methodist Church was the largest church, with around 10 million adherents.
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ASARB. (May 1, 2012). Largest churches among Mainline Protestant denominations in the United States in 2010, by number of adherents [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 22, 2026, from /statistics/245412/largest-mainline-protestant-churches-in-the-us/
ASARB. "Largest churches among Mainline Protestant denominations in the United States in 2010, by number of adherents." Chart. May 1, 2012. ÌÇÐÄÆƽâ°æ. Accessed July 22, 2026. /statistics/245412/largest-mainline-protestant-churches-in-the-us/
ASARB. (2012). Largest churches among Mainline Protestant denominations in the United States in 2010, by number of adherents. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 22, 2026. /statistics/245412/largest-mainline-protestant-churches-in-the-us/
ASARB. "Largest Churches among Mainline Protestant Denominations in The United States in 2010, by Number of Adherents." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 May 2012, /statistics/245412/largest-mainline-protestant-churches-in-the-us/
ASARB, Largest churches among Mainline Protestant denominations in the United States in 2010, by number of adherents ÌÇÐÄÆƽâ°æ, /statistics/245412/largest-mainline-protestant-churches-in-the-us/ (last visited July 22, 2026)
Largest churches among Mainline Protestant denominations in the United States in 2010, by number of adherents [Graph], ASARB, May 1, 2012. [Online]. Available: /statistics/245412/largest-mainline-protestant-churches-in-the-us/
