Most Populous US County In Each State

Name the most populous county for each state in the US. No yellow box, so you can go wild with guesses. Alaska has no counties. Louisiana (included) has parishes.
Quiz by mightythor
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Last updated: February 12, 2021
First submittedJune 7, 2020
Times taken77
Rating5.00
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State
County
2019
Idaho
Ada
481,587
New Jersey
Bergen
932,202
New Mexico
Bernalillo
679,121
North Dakota
Cass
181,923
Vermont
Chittenden
163,774
Nevada
Clark
2,266,715
Illinois
Cook
5,150,233
Maine
Cumberland
295,003
Colorado
Denver
727,211
Nebraska
Douglas
571,327
Louisiana
East Baton Rouge
440,059
Virginia
Fairfax
1,147,532
Connecticut
Fairfield
943,332
Ohio
Franklin
1,316,756
Georgia
Fulton
1,063,937
South Carolina
Greenville
523,542
Texas
Harris
4,713,325
State
County
2019
Minnesota
Hennepin
1,265,843
New Hampshire
Hillsborough
417,025
Mississippi
Hinds
231,840
Hawaii
Honolulu
974,563
Alabama
Jefferson
658,573
Kentucky
Jefferson
766,757
Kansas
Johnson
602,401
West Virginia
Kanawha
178,124
Washington
King
2,252,782
New York
Kings
2,559,903
Wyoming
Laramie
99,500
California
Los Angeles
10,039,107
Arizona
Maricopa
4,485,414
Indiana
Marion
964,582
Florida
Miami-Dade
2,716,940
Massachusetts
Middlesex
1,611,699
State
County
2019
Wisconsin
Milwaukee
945,726
South Dakota
Minnehaha
193,134
Maryland
Montgomery
1,050,688
Oregon
Multnomah
812,855
Delaware
New Castle
558,753
Oklahoma
Oklahoma
797,434
Pennsylvania
Philadelphia
1,584,064
Iowa
Polk
490,161
Rhode Island
Providence
638,931
Arkansas
Pulaski
391,911
Utah
Salt Lake
1,160,437
Tennessee
Shelby
937,166
Missouri
St. Louis
994,205
North Carolina
Wake
1,111,761
Michigan
Wayne
1,749,343
Montana
Yellowstone
161,300
+2
Level 62
Jun 9, 2020
But Alaska has boroughs
+2
Level 65
Jun 9, 2020
It does!

I decided to leave that out, because I didn't want to either

  • include boros from other states or
  • make an exception for Alaska

Also, I think of boros as subdivisions of counties; and below cities in the hierarchy of political subdivisions.

Feel free to try to poke holes in my position. It does feel strange to leave Alaska out.

+3
Level 61
Jun 13, 2020
84%. failed to remember NJ, MS, AR, NM, SC (somehow), NE, MT, and ND.
+3
Level 62
Jun 15, 2020
Great quiz!
+2
Level 57
Sep 6, 2020
ayy my county is here!
+2
Level 57
Sep 6, 2020
I would suggest using Alaska's boroughs as they are county equivalents.