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The Presbyterian Church (U.S.A.), the largest of several Presbyterian churches in America, was founded in 1983 as a merger of the United Presbyterian Church in the U.S.A. and the Presbyterian Church in the United States.

Using data from the 1980-2010 Religious Congregations and Membership Studies, this list ranks U.S. counties on the highest total number of adherents and the highest percent of the population in the Presbyterian Church (U.S.A.). You can sort the list by clicking on the column headings.

Congregational "Adherents" include all full members, their children, and others who regularly attend services. "Percent" is the percentage of the total population that belongs to that denomination. Note: Adherents are sometimes residents of a county different than the location of their congregation.

[ More information on the data source ]

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