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100 Most Populous Counties in the US

In this quiz you will be naming the most populous counties in the United States. Good Luck!
Quiz by jbro
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Last updated: September 2, 2021
First submittedSeptember 1, 2021
Times taken70
Average score56.0%
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Population
State
County
9.9 million
California
Los Angeles
5.1 million
Illinois
Cook
4.7 million
Texas
Harris
4.6 million
Arizona
Maricopa
3.3 million
California
San Diego
3.1 million
California
Orange
2.7 million
Florida
Miami-Dade
2.6 million
Texas
Dallas
2.5 million
New York
Kings
2.5 million
California
Riverside
2.3 million
Nevada
Clark
2.3 million
Washington
King
2.2 million
New York
Queens
2.2 million
California
San Bernardino
2.1 million
Texas
Tarrant
2 million
Texas
Bexar
1.9 million
Florida
Broward
1.9 million
California
Santa Clara
1.7 million
Michigan
Wayne
1.6 million
California
Alameda
1.6 million
New York
New York
1.6 million
Massachusetts
Middlesex
1.5 million
Pennsylvania
Philadelphia
1.5 million
California
Sacramento
1.5 million
Florida
Palm Beach
1.5 million
Florida
Hillsborough
1.4 million
New York
Suffolk
1.4 million
Florida
Orange
1.3 million
New York
Bronx
1.3 million
New York
Nassau
1.3 million
Ohio
Franklin
1.3 million
Texas
Travis
1.2 million
Minnesota
Hennepin
1.2 million
Michigan
Oakland
1.2 million
Ohio
Cuyahoga
1.2 million
Pennsylvania
Allegheny
1.1 million
Utah
Salt Lake
1.1 million
California
Contra Costa
1.1 million
North Carolina
Wake
1.1 million
Virginia
Fairfax
1.1 million
North Carolina
Mecklenburg
1 million
Texas
Collin
1 million
Georgia
Fulton
1 million
Arizona
Pima
1 million
Maryland
Montgomery
1 million
California
Fresno
992k
Missouri
St. Louis
978k
Florida
Pinellas
976k
Indiana
Marion
975k
Florida
Duval
Population
State
County
966k
New York
Westchester
963k
Hawaii
Honolulu
954k
Georgia
Gwinnett
944k
Texas
Denton
943k
Wisconsin
Milwaukee
942k
Connecticut
Fairfield
938k
Tennessee
Shelby
930k
New Jersey
Bergen
927k
Washington
Pierce
916k
New York
Erie
914k
Illinois
DuPage
913k
California
Kern
908k
Maryland
Prince George's
890k
Connecticut
Hartford
883k
California
San Francisco
881k
Texas
Hidalgo
876k
Michigan
Macomb
858k
Texas
Fort Bend
850k
Connecticut
New Haven
844k
Texas
El Paso
841k
California
Ventura
840k
Washington
Snohomish
838k
Pennsylvania
Montgomery
833k
Massachusetts
Worcester
826k
Maryland
Baltimore
822k
New Jersey
Middlesex
821k
Ohio
Hamilton
820k
Oregon
Multnomah
811k
Oklahoma
Oklahoma
805k
Massachusetts
Suffolk
802k
Florida
Lee
799k
New Jersey
Essex
790k
Massachusetts
Essex
781k
California
San Joaquin
768k
Georgia
Cobb
768k
Georgia
DeKalb
764k
Kentucky
Jefferson
762k
California
San Mateo
761k
Florida
Polk
749k
Colorado
Denver
739k
New York
Monroe
737k
Colorado
El Paso
714k
Washington D.C.
District of Columbia
713k
Massachusetts
Norfolk
707k
Missouri
Jackson
701k
Tennessee
Davidson
690k
Illinois
Lake
689k
Illinois
Will
681k
New Mexico
Bernalillo
673k
New Jersey
Hudson
+1
Level 83
Sep 1, 2021
Sacramento*
+1
Level 58
Sep 2, 2021
Sorry, I always do that lol

Fixed