Largest U.S. Cities that Do Not Share a Name with Their Counties

Name the largest US cities that do NOT share a name (in whole or in part) with their county or parish.
City proper 2016 population according to wikipedia.
Yes, I know District of Columbia is not a county name. That city is not located within a county.
Quiz by joez
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Last updated: September 17, 2017
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First submittedSeptember 17, 2017
Times taken96
Average score80.0%
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Population
County
City
2,704,958
Cook
Chicago
2,303,482
Harris
Houston
1,615,017
Maricopa
Phoenix
1,492,510
Bexar
San Antonio
1,025,350
Santa Clara
San Jose
947,890
Travis
Austin
880,619
Duval
Jacksonville
860,090
Franklin
Columbus
855,164
Marion
Indianapolis
854,113
Tarrant
Fort Worth
Population
County
City
842,051
Mecklenburg
Charlotte
704,352
King
Seattle
681,170
District of Columbia
Washington
673,184
Suffolk
Boston
672,795
Wayne
Detroit
660,388
Davidson
Nashville
652,717
Shelby
Memphis
639,863
Multnomah
Portland
632,912
Clark
Las Vegas
616,261
Jefferson
Louisville
3 Comments
+1
Level 75
Sep 16, 2017
Can you clarify the population limit? There's a lot of large cities that don't share the same names as their counties, such as Atlanta in Fulton County with the city population at 472,000
+1
Level 74
Sep 16, 2017
All answers have city proper population over 600,000. Atlanta falls below that threshold.
+1
Level 74
Sep 16, 2017
Albuquerque and Tucson are nearest misses. That brings us down to 500,000.