100 Biggest US Counties

Top 100 US Counties by population

2020 US Census

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Last updated: May 20, 2023

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First submitted	June 4, 2014
Times taken	1,746
Average score	59.0%
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Population	County	State
10,014,009	Los Angeles	CA
5,275,541	Cook	IL
4,731,145	Harris	TX
4,420,568	Maricopa	AZ
3,298,634	San Diego	CA
3,186,989	Orange	CA
2,736,074	Kings	NY
2,701,767	Miami-Dade	FL
2,613,539	Dallas	TX
2,418,185	Riverside	CA
2,405,464	Queens	NY
2,269,675	King	WA
2,265,461	Clark	NV
2,181,654	San Bernardino	CA
2,110,640	Tarrant	TX
2,009,324	Bexar	TX
1,944,375	Broward	FL
1,936,259	Santa Clara	CA
1,793,561	Wayne	MI
1,694,251	New York	NY
1,682,353	Alameda	CA
1,632,002	Middlesex	MA
1,603,797	Philadelphia	PA
1,585,055	Sacramento	CA
1,525,920	Suffolk	NY
1,492,191	Palm Beach	FL
1,472,654	Bronx	NY
1,459,762	Hillsborough	FL
1,429 ,908	Orange	FL
1,395,774	Nassau	NY
1,323,807	Franklin	OH
1,290,188	Travis	TX
1,281,565	Hennepin	MN
1,274,395	Oakland	MI

Population	County	State
1,264,817	Cuyahoga	OH
1,250,578	Allegheny	PA
1,185,238	Salt Lake	UT
1,165,927	Contra Costa	CA
1,150,309	Fairfax	VA
1,129,410	Wake	NC
1,115,482	Mecklenburg	NC
1,066,710	Fulton	GA
1,064,465	Collin	TX
1,062,061	Montgomery	MD
1,043,433	Pima	AZ
1,016,508	Honolulu	HI
1,008,654	Fresno	CA
1,004,457	Westchester	NY
1,004,125	Saint Louis	MO
995,567	Duval	FL
977,203	Marion	IN
967,201	Prince George's	MD
959,107	Pinellas	FL
957,419	Fairfield	CT
957,062	Gwinnett	GA
955,732	Bergen	NJ
954,236	Erie	NY
939,489	Milwaukee	WI
932,877	DuPage	IL
929,744	Shelby	TN
921,130	Pierce	WA
909,235	Kern	CA
906,422	Denton	TX
899,498	Hartford	CT
881,217	Macomb	MI
873,965	San Francisco	CA
870,781	Hidalgo	TX

Population	County	State
865,657	El Paso	TX
864,835	New Haven	CT
863,728	Essex	NJ
863,162	Middlesex	NJ
862,111	Worcester	MA
856,553	Montgomery	PA
854,535	Baltimore	MD
843,843	Ventura	CA
830,639	Hamilton	OH
827,957	Snohomish	WA
822,779	Fort Bend	TX
815,428	Multnomah	OR
809,829	Essex	MA
797,936	Suffolk	MA
796,292	Oklahoma	OK
782,969	Jefferson	KY
779,233	San Joaquin	CA
766,149	Cobb	GA
764,442	San Mateo	CA
764,382	DeKalb	GA
760,822	Lee	FL
759,443	Monroe	NY
730,395	El Paso	CO
725,981	Norfolk	MA
725,046	Polk	FL
724,854	Hudson	NJ
717,204	Jackson	MO
715,884	Davidson	TN
715,522	Denver	CO
714,342	Lake	IL
696,355	Will	IL
676,444	Bernalillo	NM
674,721	Jefferson	AL

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