US Counties over 250,000

Name every County over 250,000, listed by population.
2020 US Census
Includes Counties, Parishes, and Boroughs
Quiz by burtviile
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Last updated: March 18, 2023
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First submittedNovember 25, 2014
Times taken980
Average score48.0%
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Population
State
County
10,014,009
CA
Los Angeles
5,275,541
IL
Cook
4,731,145
TX
Harris
4,420,568
AZ
Maricopa
3,298,634
CA
San Diego
3,186,989
CA
Orange
2,736,074
NY
Kings
2,701,767
FL
Miami-Dade
2,613,539
TX
Dallas
2,418,185
CA
Riverside
2,405,464
NY
Queens
2,269,675
WA
King
2,265,461
NV
Clark
2,181,654
CA
San Bernardino
2,110,640
TX
Tarrant
2,009,324
TX
Bexar
1,944,375
FL
Broward
1,936,259
CA
Santa Clara
1,793,561
MI
Wayne
1,694,251
NY
New York
1,682,353
CA
Alameda
1,632,002
MA
Middlesex
1,603,797
PA
Philadelphia
1,585,055
CA
Sacramento
1,525,920
NY
Suffolk
1,492,191
FL
Palm Beach
1,472,654
NY
Bronx
1,459,762
FL
Hillsborough
1,429,908
FL
Orange
1,395,774
NY
Nassau
1,323,807
OH
Franklin
1,290,188
TX
Travis
1,281,565
MN
Hennepin
1,274,395
MI
Oakland
1,264,817
OH
Cuyahoga
1,250,578
PA
Allegheny
1,185,238
UT
Salt Lake
1,165,927
CA
Contra Costa
1,150,309
VA
Fairfax
1,129,410
NC
Wake
1,115,482
NC
Mecklenburg
1,066,710
GA
Fulton
1,064,465
TX
Collin
1,062,061
MD
Montgomery
1,043,433
AZ
Pima
1,016,508
HI
Honolulu
1,008,654
CA
Fresno
1,004,456
NY
Westchester
1,004,125
MO
Saint Louis
995,567
FL
Duval
977,203
IN
Marion
967,201
MD
Prince George's
959,107
FL
Pinellas
957,419
CT
Fairfield
957,062
GA
Gwinnett
955,732
NJ
Bergen
954,236
NY
Erie
939,489
WI
Milwaukee
932,877
IL
DuPage
929,744
TN
Shelby
921,130
WA
Pierce
909,235
CA
Kern
906,422
TX
Denton
899,498
CT
Hartford
881,217
MI
Macomb
873,965
CA
San Francisco
870,781
TX
Hidalgo
865,657
TX
El Paso
864,835
CT
New Haven
863,728
NJ
Essex
863,162
NJ
Middlesex
862,111
MA
Worcester
856,553
PA
Montgomery
854,535
MD
Baltimore
843,843
CA
Ventura
830,639
OH
Hamilton
827,957
WA
Snohomish
822,779
TX
Fort Bend
809,829
MA
Essex
803,377
OR
Multnomah
797,936
MA
Suffolk
796,292
OK
Oklahoma
782,969
KY
Jefferson
779,233
CA
San Joaquin
766,149
GA
Cobb
764,442
CA
San Mateo
764,382
GA
DeKalb
760,822
FL
Lee
759,443
NY
Monroe
730,395
CO
El Paso
725,981
MA
Norfolk
725,046
FL
Polk
724,854
NJ
Hudson
717,204
MO
Jackson
715,884
TN
Davidson
715,522
CO
Denver
714,342
IL
Lake
696,355
IL
Will
676,444
NM
Bernalillo
674,721
AL
Jefferson
669,279
OK
Tulsa
665,665
UT
Utah
660,741
RI
Providence
657,974
MI
Kent
655,070
CO
Arapahoe
646,538
PA
Bucks
643,615
NJ
Monmouth
637,229
NJ
Ocean
620,443
TX
Montgomery
609,863
KS
Johnson
609,017
TX
Williamson
606,612
FL
Brevard
600,811
OR
Washington
588,261
MD
Anne Arundel
584,526
NE
Douglas
582,910
CO
Jefferson
579,200
MA
Bristol
576,830
PA
Delaware
575,345
NJ
Union
570,519
DE
New Castle
561,691
FL
Pasco
561,504
WI
Dane
553,543
FL
Volusia
552,984
PA
Lancaster
552,878
CA
Stanislaus
552,352
MN
Ramsey
541,299
NC
Guilford
540,428
OH
Summit
539,339
WA
Spokane
537,309
OH
Montgomery
534,413
PA
Chester
530,819
MA
Plymouth
525,534
SC
Greenville
524,118
NJ
Passaic
523,824
KS
Sedgwick
523,485
NJ
Camden
519,572
CO
Adams
516,522
IL
Kane
509,285
NJ
Morris
503,311
WA
Clark
498,700
IN
Lake
495,747
NY
Richmond
494,967
ID
Ada
492,401
IA
Polk
488,863
CA
Sonoma
486,492
NV
Washoe
482,204
VA
Prince William
478,971
TN
Knox
476,516
NY
Onondaga
473,117
CA
Tulare
470,856
FL
Seminole
465,825
MA
Hampden
461,860
NJ
Burlington
456,781
LA
East Baton Rouge
456,438
PA
York
453,491
CA
Solano
448,229
CA
Santa Barbara
440,781
LA
Jefferson
439,882
MN
Dakota
439,035
CA
Monterey
434,006
FL
Sarasota
431,279
OH
Lucas
428,849
PA
Berks
425,264
AZ
Pinal
422,937
NH
Hillsborough
422,537
OR
Clackamas
421,017
TX
Cameron
420,959
VA
Loudoun
416,147
SC
Richland
414,809
AL
Mobile
408,235
SC
Charleston
406,978
WI
Waukesha
406,211
MI
Genesee
405,262
MO
Saint Charles
404,739
CA
Placer
401,310
NY
Orange
399,710
FL
Manatee
399,125
AR
Pulaski
390,357
OH
Butler
388,656
FL
Osceola
388,153
AL
Madison
387,340
NJ
Mercer
385,410
IN
Allen
383,997
LA
Orleans
383,956
FL
Lake
383,189
OR
Lane
382,590
NC
Forsyth
375,908
FL
Marion
375,752
FL
Collier
374,853
OH
Stark
374,557
PA
Lehigh
372,258
MI
Washtenaw
372,031
TX
Brazoria
370,647
TX
Bell
366,207
TN
Hamilton
364,663
PA
Westmoreland
364,648
VA
Chesterfield
363,887
MN
Anoka
362,679
UT
Davis
359,066
CO
Larimer
357,978
CO
Douglas
353,178
TX
Nueces
351,029
SC
Horry
350,682
TX
Galveston
347,467
IN
Hamilton
347,119
OR
Marion
345,361
NJ
Somerset
341,486
TN
Rutherford
338,329
NY
Rockland
334,529
MD
Howard
334,508
NC
Cumberland
334,389
VA
Henrico
330,758
CO
Boulder
329,226
FL
Saint Lucie
328,981
CO
Weld
327,997
SC
Spartanburg
325,594
PA
Luzerne
324,833
NC
Durham
322,608
NE
Lancaster
322,570
KY
Fayette
321,905
FL
Escambia
314,848
NY
Albany
314,176
NH
Rockingham
312,951
PA
Northampton
312,964
OH
Lorain
310,639
TX
Lubbock
310,229
IL
McHenry
303,069
ME
Cumberland
302,294
NJ
Gloucester
298,915
MO
Greene
297,595
GA
Clayton
296,200
MI
Ottawa
295,911
NY
Dutchess
295,528
OK
Cleveland
295,291
GA
Chatham
294,793
WA
Thurston
293,991
SC
Lexington
292,198
FL
Leon
291,247
AK
Anchorage
286,401
PA
Dauphin
285,350
IL
Winnebago
284,900
MI
Ingham
284,333
AR
Benton
282,424
CA
San Luis Obispo
282,090
SC
York
281,202
CA
Merced
278,468
FL
Alachua
275,611
WA
Kitsap
274,534
NJ
Atlantic
273,425
FL
Saint Johns
272,912
IN
Saint Joseph
271,717
MD
Frederick
270,876
PA
Erie
270,861
CA
Santa Cruz
269,452
NC
Buncombe
268,740
WI
Brown
268,555
CT
New London
267,568
MN
Washington
267,114
TX
Webb
266,620
GA
Cherokee
264,776
IL
Madison
264,570
LA
Saint Tammany
262,231
CA
Marin
262,223
UT
Weber
261,670
MI
Kalamazoo
260,924
MD
Harford
260,579
TX
McLennan
259,469
PA
Cumberland
257,400
IL
Saint Clair
256,728
WA
Yakima
256,526
TX
Jefferson
253,335
MO
Clay
251,283
GA
Forsyth
+2
Level 51
Nov 28, 2014
81/253. loved this quiz!
+2
Level 64
Oct 21, 2017
This begs for a map of the lower 48 with ALL counties :)