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Lehigh County (Pennsylvania)

Religious Traditions, 2010

20,644 854 64,308 68,213 2,625 19,776 173,077
Evangelical Protestant Black Protestant Mainline Protestant Catholic Orthodox Other Unclaimed

Congregational adherents include all full members, their children, and others who regularly attend services. The 2010 reports contain incomplete counts of congregations and adherents belonging to the eight largest historically African-American denominations. These denominations are not included in the 2000 reports and are largely missing from the 1990 and 1980 reports.
[More information on the data sources]


Religious Bodies Tradition Family Congregations Adherents % Change
United Methodist Church, The Mainline Protestant Methodist/Pietist -1 +1815 +44%
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints +3 +1465 +369%
Evangelical Free Church of America, The Evangelical Protestant Methodist/Pietist +1 +824 +136%
Assemblies of God Evangelical Protestant Pentecostal 0 +573 +62.8%
Seventh-day Adventist Church Evangelical Protestant Adventist 0 +424 +139.5%
Free Methodist Church of North America Evangelical Protestant Holiness +3 +272 +292.5%
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal +2 +152 +226.9%
Missionary Church, The Evangelical Protestant Holiness -1 +116 +341.2%
Metropolitan Community Churches, Universal Fellowship of Mainline Protestant Other Groups +1 +111 +222%
Christian and Missionary Alliance, The Evangelical Protestant Holiness 0 +72 +22.8%
American Baptist Churches in the USA Mainline Protestant Baptist +1 +39 +6.3%
Christian Churches and Churches of Christ Evangelical Protestant Baptist +1 -39 -22%
Southern Baptist Convention Evangelical Protestant Baptist 0 -52 -46%
Churches of Christ Evangelical Protestant Baptist 0 -90 -47.4%
African Methodist Episcopal Zion Church Black Protestant Methodist/Pietist 0 -107 -36.9%
Church of the Nazarene Evangelical Protestant Holiness 0 -132 -24.1%
Ukrainian Orthodox Church of the USA Orthodox Eastern Liturgical (Orthodox) 0 -140 -16.7%
Salvation Army Evangelical Protestant Holiness +1 -183 -32.4%
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism -1 -1428 -51.9%
Moravian Church in America--Northern Province Mainline Protestant Methodist/Pietist -2 -1473 -55.2%
Evangelical Congregational Church, The Evangelical Protestant Methodist/Pietist -4 -2087 -54.5%
Catholic Church Catholic Catholicism -1 -2879 -4%
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed 0 -4073 -51.8%
United Church of Christ Mainline Protestant Presbyterian-Reformed -4 -7412 -24.9%
Evangelical Lutheran Church in America Mainline Protestant Lutheran -6 -16082 -35.8%
Christian Brethren Evangelical Protestant Ind. Fundamentalist 0 --- ---
Church of God (Anderson, Indiana) Evangelical Protestant Holiness --- --- ---
Conservative Baptist Association of America Evangelical Protestant Baptist +1 --- ---
Primitive Methodist Church in the USA Evangelical Protestant Methodist/Pietist 0 --- ---
Totals: -6 -30314 -17.5%

The population of Lehigh County, Pennsylvania was 272,349 in 1980. The adherent totals of the religious groups listed above (175,856) included 64.6% of the total population in 1980.

The population of Lehigh County, Pennsylvania was 349,497 in 2010; in 2000 it was 312,090. The total population changed 12.0%. The adherent totals of the religious groups listed above (176,420) included 50.5% of the total population in 2010.

* In an effort to better match the ASARB standards for adherents, a few religious bodies changed the way their adherents were reported in 2010, including the Catholic Church, Amish groups, Friends groups, Jewish groups, the Church of Jesus Christ of Latter-day Saints, Non-denominational Christian Churches, and the United Methodist Church. This change does not affect any of the data in the newly released 2010 U.S. Religion Census: Religious Congregations & Membership Study. In fact, the data for these groups are now more comparable to that of other bodies than it was in previous decadal reports.

However, the change in methodology can distort assessments on growth or decline between 2000 and 2010 for each of these groups. County-level 2000 data using the new methodology are not readily available. ASARB staff has adjusted some 2000 county-level adherent statistics to allow for a more accurate picture on growth or decline. The revised maps and charts are now available on-line at for those who are interested in these trends.


2010 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include statistics for 236 religious groups, providing information on the number of their congregations and adherents within each state and county in the United States. Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E. Jones, Alexei Krindatch, Richie Stanley and Richard H. Taylor supervised the collection. These data originally appeared in 2010 U.S. Religion Census: Religious Congregations & Membership Study, published by the Association of Statisticians of American Religious Bodies (ASARB). [More information on the data collection]

The adherence rate provides the number of adherents of a particular group per 1,000 population. For example, in 2010 the Episcopal Church had an adherence rate of 7.6 in Autauga County, Alabama. This means that about 8 out of every 1,000 people in Autauga County were Episcopalian.

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