Most socially conservative county with a population of over 500,000?

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I hope you don't mind if I paste the county list from Wikipedia to give a better overview:

Los Angeles County   California
Cook County   Illinois
Harris County   Texas
Maricopa County   Arizona
San Diego County   California
Orange County   California
Miami-Dade County   Florida
Kings County   New York
Dallas County   Texas
Queens County   New York
Riverside County   California
San Bernardino County   California
King County   Washington
Clark County   Nevada
Tarrant County   Texas
Santa Clara County   California
Broward County   Florida
Bexar County   Texas
Wayne County   Michigan
New York County   New York
Alameda County   California
Philadelphia County   Pennsylvania
Middlesex County[13]   Massachusetts
Suffolk County   New York
Sacramento County   California
Bronx County   New York
Palm Beach County   Florida
Nassau County   New York
Hillsborough County   Florida
Cuyahoga County   Ohio
Oakland County   Michigan
Allegheny County   Pennsylvania
Orange County   Florida
Franklin County   Ohio
Hennepin County   Minnesota
Fairfax County   Virginia
Travis County   Texas
Contra Costa County   California
Salt Lake County   Utah
Montgomery County   Maryland
St. Louis County   Missouri
Pima County   Arizona
Mecklenburg County   North Carolina
Fulton County   Georgia
Honolulu, City and County of[15]   Hawaiʻi
Wake County   North Carolina
Westchester County   New York
Milwaukee County   Wisconsin
Fresno County   California
Fairfield County[13]   Connecticut
Shelby County   Tennessee
DuPage County   Illinois
Pinellas County   Florida
Marion County   Indiana
Bergen County   New Jersey
Erie County   New York
Hartford County[13]   Connecticut
Prince George's County   Maryland
Duval County   Florida
Kern County   California
New Haven County[13]   Connecticut
Gwinnett County   Georgia
Collin County   Texas
Macomb County   Michigan
Ventura County   California
San Francisco, City and County of[10]   California
Middlesex County   New Jersey
El Paso County   Texas
Baltimore County   Maryland
Pierce County   Washington
Hidalgo County   Texas
Montgomery County   Pennsylvania
Worcester County[13]   Massachusetts
Hamilton County   Ohio
Essex County   New Jersey
Multnomah County   Oregon
Essex County[13]   Massachusetts
Jefferson County   Kentucky
Suffolk County[13]   Massachusetts
Oklahoma County   Oklahoma
Monroe County   New York
San Mateo County   California
Snohomish County   Washington
Denton County   Texas
Cobb County   Georgia
DeKalb County   Georgia
San Joaquin County   California
Lake County   Illinois
Norfolk County   Massachusetts
Will County   Illinois
Jackson County   Missouri
Bernalillo County   New Mexico
Lee County   Florida
Hudson County   New Jersey
Jefferson County   Alabama
Davidson County   Tennessee
El Paso County   Colorado
Fort Bend County   Texas
Denver, City and County of[12]   Colorado
District of Columbia[14]   District of Columbia
Monmouth County   New Jersey
Providence County[13]   Rhode Island
Bucks County   Pennsylvania
Polk County   Florida
Tulsa County   Oklahoma
Baltimore, City of[16]   Maryland
Kent County   Michigan
Arapahoe County   Colorado
Ocean County   New Jersey
Johnson County   Kansas
Delaware County   Pennsylvania
Anne Arundel County   Maryland
Washington County   Oregon
Bristol County   Massachusetts
Utah County   Utah
Jefferson County   Colorado
Brevard County   Florida
New Castle County   Delaware
Union County   New Jersey
Summit County   Ohio
Douglas County   Nebraska
Montgomery County   Ohio
Lancaster County   Pennsylvania
Ramsey County   Minnesota
Stanislaus County   California
Kane County   Illinois
Camden County   New Jersey
Dane County   Wisconsin
Chester County   Pennsylvania
Guilford County   North Carolina
Passaic County   New Jersey
Sedgwick County   Kansas
Plymouth County   Massachusetts
Volusia County   Florida

[Montgomery County   Texas]

[solarstorm]

solar, half of those counties you listed didn't even make sense.

I know. I just wanted to render assistance.
Jimrtex has already done the groundwork for us.

[solarstorm]

I'm stuck between Utah County and Tulsa County.

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Stanislaus County, California? Lol, no.