Click through the slideshow to see most and least Christian cities in the United States:

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  • Salt Lake City, UT

    72,432 Christian adherents per 100,000 persons. Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/c/c7/Temple_Square_October_05_%288%29_c.JPG" target="_hplink">here</a>.

  • Birmingham, AL

    Metro area Birmingham-Hoover, AL<br> 70,203 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/2/26/16th_Street_Baptist_Church.JPG" target="_hplink">here</a>.

  • Oklahoma City, OK

    58,781 Christian adherents per 100,000 persons. Credit: Wikimedia Commons. Original photo <a href="http://commons.wikimedia.org/wiki/File:OKC_Cathedral.jpg">here</a>.

  • Memphis, TN-MS-AR

    Metro area: Memphis, TN-MS-AR<br> 57,323 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://commons.wikimedia.org/wiki/File:RomanCatholicCathedralMemphisTN.JPG">here</a>.

  • Pittsburgh, PA

    56,074 Christian adherents per 100,000 persons. Credit: Wikimedia Commons. Original photo <a href="http://commons.wikimedia.org/wiki/File:Bellefield_Presbyterian_Church_Pittsburgh.JPG">here</a>.

  • Providence, RI-MA

    Metro area: Providence-New Bedford-Fall River, RI-MA<br> 55,653 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/7/70/Providence_Cathedral%2C_RI_edited.JPG" target="_hplink">here</a>.

  • Boston, MA-NH

    Metro area: Boston-Cambridge-Quincy, MA-NH<br> 54,347 Christian adherents per 100,000 persons.<br> Credit: Wikimedia Commons. Original photo <a href="http://commons.wikimedia.org/wiki/File:Boston_Centenary_Methodist_Church.JPG">here</a>.

  • Chicago, IL-IN-WI

    Metro area: Chicago-Joliet-Naperville, IL-IN-WI<br> 52,516 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://commons.wikimedia.org/wiki/File:St._Theresa%27s_Church,_Chicago.jpg">here</a>.

  • San Antonio, TX

    Metro area: San Antonio-New Braunfels, TX<br> 52,359 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://commons.wikimedia.org/wiki/File:San_Antonio_Texas_Temple.JPG">here</a>.

  • New Orleans, LA

    Metro area: New Orleans-Metairie-Kenner, LA<br> 51,975 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://commons.wikimedia.org/wiki/File:New_Orleans_Church_Steeple_Clock.jpg">here</a>.

  • Buffalo, NY

    Meto area: Buffalo-Niagara Falls, NY<br> 51,844 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://commons.wikimedia.org/wiki/File:Asbury_Delaware_Church,_Buffalo_1.jpg">here</a>.

  • Dallas, TX

    Metro area: Dallas-Fort Worth-Arlington, TX<br> 51,781 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/1/17/The_Catholic_Cathedral_of_Santuario_de_Guadalupe_in_the_Downtown_Dallas_Arts_District%2C_10-26-10.jpg" target="_hplink">here</a>.

  • Houston, TX

    Metro area: Houston-Sugar Land-Baytown, TX<br> 51,398 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://commons.wikimedia.org/wiki/File:Annunciation_Church_Houston_Texas.JPG">here</a>.

  • Philadelphia, PA-NJ-DE-MD

    Metro area: Philadelphia-Camden-Wilmington, PA-NJ-DE-MD<br> 51,361 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://commons.wikimedia.org/wiki/File:Christ_Church_Philadelphia.jpg">here</a>.

  • Charlotte, NC-SC

    Metro area: Charlotte-Gastonia-Rock Hill, NC-SC<br> 50,932 Christian adherents per 100,000 persons. <br> Photo credit: Wikimedia Commons. Original photo <a href="http://commons.wikimedia.org/wiki/File:First_United_Methodist_Church_Charlotte_1.jpg">here</a>.

  • Minneapolis, MN-WI

    Metro area: Minneapolis-St. Paul-Bloomington, MN-WI<br> 50,550 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://commons.wikimedia.org/wiki/File:Straitgate_Church_%28Minneapolis%29.JPG">here</a>.

  • Milwaukee, WI

    Metro area: Milwaukee-Waukesha-West Alis, WI<br> 50,448 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/d/d5/St_Stanislaus_Catholic_Church.jpg" target="_hplink">here</a>.

  • Nashville, TN

    Metro area: Nashville-Davidson-Murfreesboro-Franklin, TN<br> 49,773 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://commons.wikimedia.org/wiki/File:Christ_Church_Cathedral,_Nashville.jpg">here</a>.

  • Louisville, KY-IN

    Metro area: Louisville-Jefferson County, KY-IN<br> 49,301 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/1/19/Cathedral_Assumption_Louisville.jpg" target="_hplink">here</a>.

  • Cleveland, OH

    Metro area: Cleveland-Elyria-Mentor, OH<br> 48,985 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/5/56/StTheodosius.jpg" target="_hplink">here</a>.

  • Kansas City, MO-KS

    48,536 Christian adherents per 100,000 persons. Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/d/d2/Community_Christian_Church_KCMO.jpg" target="_hplink">here</a>.

  • Los Angeles, CA

    Los Angeles-Long Beach-Santa Ana, CA<br> 48,489 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo here.

  • Jacksonville, Florida

    48,355 Christian adherents per 100,000 persons. Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/9/9d/ChurchJax1.jpg" target="_hplink">here</a>.

  • Atlanta, GA

    Metro area: Atlanta-Sandy Springs-Marietta, GA<br> 47,612 religious adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/7/76/Shrine_of_the_Immaculate_Conception.jpg" target="_hplink">here</a>.

  • New York, NY-NJ-PA

    Metro area: New York-Northern New Jersey-Long Island, NY-NJ-PA<br> 47,608 Christian adherents per 100,000 persons. <br> Original photo <a href="http://commons.wikimedia.org/wiki/File:Saint_Patrick_front1.jpg">here</a>.

  • St. Louis, MO-IL

    47,312 Christian adherents per 100,000 persons. Credit: Wikimedia Commons. Original photo <a href="http://commons.wikimedia.org/wiki/File:St_Francis_De_Sales_facade_23.jpg">here</a>.

  • Richmond, VA

    46,596 Christian adherents per 100,000 persons. Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/3/3f/Cathedral_of_the_sacred_heart_.JPG" target="_hplink">here</a>.

  • Hartford, CT

    Metro area: Hartford-West Hartford-East Hartford, CT<br> 45,067 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/6/64/Cathedral_of_Saint_Joseph_in_Hartford_3%2C_2009-09-02.jpg" target="_hplink">here</a>.

  • Cincinnati, OH-KY-IN

    Metro area: Cincinnati-Middletown, OH-KY-IN<br> 43,762 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:ImmaculateConceptionChurch.jpg">here</a>.

  • Raleigh, NC

    Metro area: Raleigh-Cary, NC<br> 42,153 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:Christepiscopalravenscroftchurch.jpg">here</a>.

  • Rochester, NY

    41,880 Christian adherents per 100,000 persons. Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:Rochester_St_Marys_Roman_Catholic_Church.jpg">here</a>.

  • Detroit, MI

    Metro area: Detroit-Warren-Livonia, MI<br> 41,491 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/2/23/Ste_Anne_de_Detroit.jpg" target="_hplink">here</a>.

  • Indianapolis, IN

    Metro area: Indianapolis-Carmel, IN<br> 41,310 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:Bethel_A.M.E._Church,_Indianapolis,_front.jpg">here</a>.

  • Austin, TX

    Metro area: Austin-Round Rock-San Marcos, TX<br> 41,238 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:Gethsemane_lutheran_church_austin_2009.jpg">here</a>.

  • San Diego, CA

    Metro area: San Diego-Carlsbad-San Marcos, CA<br> 41,096 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/f/fa/San-diego-mission-chuch.JPG" target="_hplink">here</a>.

  • Riverside, CA

    Metro area: Riverside-San Bernardino-Ontario, CA<br> 41,055 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/b/bf/FirstCongregationalChurch20090821f.jpg">here</a>.

  • Washington, DC-VA-MD-WV

    Metro area: Washington-Arlington-Alexandria, DC-VA-MD-WV<br> 39,952 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:Church_of_the_Holy_City_in_Washington_DC.JPG">here</a>.

  • Baltimore, MD

    Metro area: Baltimore-Towson, MD<br> 39,508 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:Baltimore_-_church_towers.jpg">here</a>.

  • San Jose, CA

    Metro area: San Jose-Sunnyvale-Santa Clara, CA<br> 38,782 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/9/9e/San_Jose_Basilica.jpg" target="_hplink">here</a>.

  • Orlando, FL

    Metro area: Orlando-Kissimmee-Sanford, FL<br> 38,350 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:First_United_Methodist_church_of_Orlando_Steeple.jpg">here</a>.

  • Virginia Beach, VA-NC

    Metro area: Virginia Beach-Norfolk-Newport News, VA-NC<br> 37,414 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:Star_of_the_Sea_Catholic_Church_%28Virginia_Beach,_Virginia%29,_exterior,crucifix_and_church.jpg">here</a>.

  • Phoenix, AZ

    Metro area: Phoenix-Mesa-Glendale, AZ<br> 35,875 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:First_Baptist_Church_%282%29.JPG">here</a>.

  • Columbus, OH

    35,390 Christian adherents per 100,000 persons. Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:Columbus_Ohio_Holy_Cross_Church.jpg">here</a>.

  • Miami, FL

    Metro area: Miami-Fort Lauderdale-Pompano Beach, FL<br> 35,057 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:Miami_FL_Downtown_HD_Gesu_Church_sq_pano01.jpg">here</a>.

  • Denver, CO

    Metro area: Denver-Aurora-Broomfield, CO<br> 34,902 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:Denver,_Church_of_the_Immaculate_Conception.jpg">here</a>.

  • Las Vegas, NV

    Metro area: Las Vegas-Paradise, NV<br> 34,503 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://upload.wikimedia.org/wikipedia/commons/c/cd/Guardian_Angel_Catholic_Cathedral%2C_Las_Vegas%2C_Nevada.jpg">here</a>.

  • San Francisco, CA

    Metro area: San Francisco-Oakland-Fremont, CA<br> 34,224 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:San_Francisco_church.jpg">here</a>.

  • Sacramento, CA

    Metro area: Sacramento-Arden-Arcade-Rosenville, CA<br> 34,115 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:Westminster_Presbyterian_Church_sacramento_Ca.jpg">here</a>.

  • Seattle, WA

    Metro area: Seattle-Tacoma-Bellevue, WA<br> 33,175 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:Seattle_Mennonite_Church_01.jpg">here</a>.

  • Tampa, FL

    Metro area: Tampa-St. Petersburg-Clearwater, FL<br> 32,299 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:Tampa_Sacred_Heart_Church04.jpg">here</a>.

  • Portland, OR-WA

    Metro area: Portland-Vancouver-Hillsboro, OR-WA<br> 30,274 Christian adherents per 100,000 persons. <br> Credit: Wikimedia Commons. Original photo <a href="http://en.wikipedia.org/wiki/File:Old_Laurelhurst_Church,_Portland.jpg">here</a>.

A study measuring religious bodies in the United States called the, “2010 U.S. Religious Census: Religious Congregations & Membership Study (RCMS)” was recently released by the Association of Statisticians of American Religious Bodies (ASARB). The most comprehensive study of its kind, it provides detailed county by county information on congregations, members, adherents and attendance for 236 different faiths groups. (The survey differentiates between specific denominations within the same tradition.)

Of metropolitan areas with population greater than a million, the researchers found Salt Lake City to be the most Christian* city with approximately 72.5 percent identifying as a Christian adherent. The researchers found the greater area of Portland, OR-WA to be the least Christian city with about 30 percent identifying as a Christian adherent.

The researchers define adherents to be those with an affiliation to a congregation including children, members and attendees who are not members, and believe that the adherent measure is the most complete and comparable across religious groups. Congregations are defined as groups of people who meet regularly at a pre-announced time and location.

More than 150.6 million Christian adherents and 344,894 congregations were reported across the country. With close to 8.9 million Christian adherents, the greater area of New York, NY-NJ-PA reported the highest number of Christian adherents, whereas Rochester, NY reported the lowest -- about 440,000 identified as Christian adherents. With 9,172 congregations, the greater area of New York, NY-NJ-PA reported the highest number of congregations in a million-plus metropolitan, whereas the greater area of Las Vegas, NV reported the lowest with 745.

In general, cities were more than 55 percent identified as a Christian adherent were in the deep South and in the Midwest. Cities where less than 35 percent identified as a Christian adherent were in the West and in the Northeast.

most and least christian cities

Bibliography:
Grammich, Clifford, Kirk Hadaway, Richard Houseal, Dale E. Jones, Alexei Krindatch, Richie Stanley, and Richard H. Taylor, 2012. 2010 U.S. Religion Census: Religious Congregations & Membership Study. Association of Statisticians of American Religious Bodies.

*Christians include Mormons and Unitarians / Universalists who self-identify as Christians.

For a list of most and least religious cities, click here.

For a list of most and least interfaith cities, click here.

For a list of most and least Christian states, click here.

For a list of most and least Mormon states, click here.

For a list of most and least Jewish states, click here.

For a list of most and least Muslim states, click here.

For a list of most and least Catholic states, click here.

Click through to see most and least religious states in America (via Gallup):
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  • #1: Mississippi (59 percent)

  • #2 Utah (57 percent)

  • #3 Alabama (56 percent)

  • #4 Louisiana (54 percent)

  • #5 Arkansas (54 percent)

  • #6 South Carolina (54 percent)

  • #7 Tennessee (52 percent)

  • #8 North Carolina (50 percent)

  • #9 Georgia (48 percent)

  • #10 Oklahoma (48 percent)

  • #51 Vermont (23 percent)

  • #50 New Hampshire (23 percent)

  • #49 Maine (25 percent)

  • #48 Massachusetts (28 percent)

  • #47 Alaska (28 percent)

  • #46 Oregon (30 percent)

  • #45 Nevada (30 percent)

  • #44 Washington (30 percent)

  • #43 Connecticut (31 percent)

  • #42 District of Columbia (32 percent)

  • #42 New York (32 percent)

  • #42 Rhode Island (32 percent)