Most Populous Counties in the United States

Can you name the top 20 most populous counties in the United States, as of 2025?
The state each county is in has been given to make it easier
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MeowILoveCats123
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Last updated: June 15, 2025
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First submittedJune 15, 2025
Times taken18
Average score75.0%
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Population
County
State
9,550,505
Los Angeles
California
5,038,084
Cook
Illinois
4,942,701
Harris
Texas
4,645,947
Maricopa
Arizona
3,255,567
San Diego
California
3,106,521
Orange
California
2,714,489
Miami-Dade
Florida
2,615,088
Dallas
Texas
2,528,844
Riverside
California
2,504,613
Kings
New York
2,364,649
Clark
Nevada
2,283,518
King
Washington
2,237,549
Tarrant
Texas
2,199,472
Queens
New York
2,197,017
San Bernardino
California
2,142,655
Bexar
Texas
1,993,815
Broward
Florida
1,876,106
Santa Clara
California
1,735,623
Wayne
Michigan
1,638,268
Middlesex
Massachusetts
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