US County Area home

Most populous counties

County equivalents ranked by the Census Bureau’s latest July 1 population estimate. Land area and density are shown alongside, because a populous county is not necessarily a dense one.

Ranks 601–700

Vintage 2025 population estimates · 2026 Gazetteer land area · 3,222 county equivalents · page 7 of 33

Download the full dataset

What this part of the ranking shows

This page runs from Kankakee County, Illinois at 105,525 residents to Chatham County, North Carolina at 85,111 residents. The 100 entries represent 36 state-level jurisdictions. North Carolina has the most entries on this page (7, tied for the lead).

Rank numbers continue across pages and describe the full selected ranking. They are not state ranks. Start at rank 1 for the leading entries, or open a county profile for its state rank and median comparisons.

Most populous counties, ranks 601 through 700. Population is the July 1, 2025 estimate; density is per square mile of land.
RankCounty / equivalentStatePopulationPer mi²Land mi²
601Kankakee CountyIllinois105,525156676.5
602St. Lawrence CountyNew York105,488392,679.5
603Sumter CountySouth Carolina105,067158665.1
604Craven CountyNorth Carolina105,025149706.5
605Daviess CountyKentucky104,898229458.4
606Suffolk cityVirginia104,699262399.2
607Fond du Lac CountyWisconsin104,669145719.6
608Sherburne CountyMinnesota104,194241432.9
609Terrebonne ParishLouisiana104,163851,229.9
610Tompkins CountyNew York104,047219474.7
611Etowah CountyAlabama103,886194535.1
612Marshall CountyAlabama103,537183566
613Cleveland CountyNorth Carolina103,325223464.3
614Burleigh CountyNorth Dakota103,251631,632.7
615Laramie CountyWyoming102,938382,685.9
616Franklin CountyWashington102,612831,241.6
617Rogers CountyOklahoma102,197151675.7
618Bay CountyMichigan102,123231442.4
619Nevada CountyCalifornia101,911106957.8
620DeKalb CountyIllinois101,835161631.3
621Madison CountyKentucky101,696232437.9
622Floyd CountyGeorgia101,378199509.8
623Sevier CountyTennessee101,342171592.5
624Story CountyIowa101,291177572.5
625Allen CountyOhio100,881251402.5
626Madison CountyTennessee100,790181557.2
627Frederick CountyVirginia99,955242413.1
628Barrow CountyGeorgia99,773619161.1
629Garland CountyArkansas99,695147677.6
630Dubuque CountyIowa99,381163608.3
631Columbiana CountyOhio99,377187531.9
632Nash CountyNorth Carolina99,365184540.4
633Macon CountyIllinois99,300171580.5
634Jackson CountyGeorgia99,265292339.7
635Roanoke cityVirginia99,1112,33142.5
636Putnam CountyNew York99,028430230.3
637Sutter CountyCalifornia98,787164602.7
638Lincoln CountyNorth Carolina98,654333295.9
639Montgomery CountyVirginia98,434254386.8
640Rockdale CountyGeorgia98,416758129.8
641St. Croix CountyWisconsin98,276136722.2
642St. Clair CountyAlabama98,206155631.6
643Northeastern Connecticut Planning RegionConnecticut98,096177553.9
644Lenawee CountyMichigan97,779130749.7
645Benton CountyOregon97,728145675.2
646Twin Falls CountyIdaho97,539511,921.7
647Roanoke CountyVirginia97,150388250.5
648Lauderdale CountyAlabama97,135145668
649Portsmouth cityVirginia96,7772,90633.3
650Grand Traverse CountyMichigan96,729208464.3
651Christian CountyMissouri96,725172562.6
652Ashtabula CountyOhio96,713138702.4
653Geauga CountyOhio95,676239400.4
654Lafourche ParishLouisiana95,505891,069.7
655Campbell CountyKentucky95,441631151.3
656Calvert CountyMaryland94,484443213.2
657Ozaukee CountyWisconsin94,346405233
658Rockingham CountyNorth Carolina94,195167565.7
659Cullman CountyAlabama94,009128734.7
660Fairbanks North Star BoroughAlaska93,972137,334.7
661Cape May CountyNew Jersey93,390371251.5
662Walton CountyFlorida93,288901,038.4
663Wagoner CountyOklahoma93,263166561.9
664Grafton CountyNew Hampshire93,225551,708.6
665Pottawattamie CountyIowa92,99698951.3
666Bowie CountyTexas92,696105884.9
667Victoria CountyTexas92,656105882.1
668Tuscarawas CountyOhio92,373163567.6
669Steuben CountyNew York91,855661,390.5
670Bannock CountyIdaho91,591821,112.5
671Elmore CountyAlabama91,577148618.5
672Wayne CountyNew York91,250151603.8
673Cabell CountyWest Virginia91,183324281
674Hancock CountyIndiana90,969297306
675Polk CountyOregon90,037122740.9
676Northumberland CountyPennsylvania89,920196457.7
677Lapeer CountyMichigan89,516138647.5
678Rockingham CountyVirginia89,316105849.8
679Dodge CountyWisconsin89,097102875.7
680Guaynabo MunicipioPuerto Rico89,0553,23227.6
681Yuba CountyCalifornia88,691140632
682Burke CountyNorth Carolina88,655175506.3
683Henderson CountyTexas88,595101873.8
684Angelina CountyTexas88,154110797.9
685Mendocino CountyCalifornia88,122253,506.8
686Lewis CountyWashington88,062372,402.8
687Josephine CountyOregon87,867541,638.6
688Glynn CountyGeorgia87,599209419.6
689Tooele CountyUtah87,461127,040.3
690Muskingum CountyOhio87,014131664.5
691Bulloch CountyGeorgia86,949129676
692Putnam CountyTennessee86,612216401.1
693Jefferson CountyWisconsin86,505155556.5
694Bullitt CountyKentucky86,454291297.1
695Orange CountyTexas86,266258333.8
696Bartholomew CountyIndiana85,729211406.9
697Island CountyWashington85,657410208.7
698Coryell CountyTexas85,592811,052.2
699Arecibo MunicipioPuerto Rico85,539679126
700Chatham CountyNorth Carolina85,111125681.5

Read the differences behind ranks 601–700

The median population among these 100 entries is 96,727. The first and last entries span 20,414 residents. This median describes the entries on this page, not the full national dataset. Pagination is a browsing boundary, not a distinct geographic region.

Adjacent ranks can differ by a handful of residents or by many thousands. Open a county profile for its population trend since 2020, land area, and state comparisons.

Where the entries on this page are located

  • North Carolina7 entries · 7% of this page
  • Virginia7 entries · 7% of this page
  • Alabama6 entries · 6% of this page
  • Georgia6 entries · 6% of this page
  • Ohio6 entries · 6% of this page
  • Texas6 entries · 6% of this page

The remaining 30 jurisdictions contribute 62 entries. The list above shows the six most represented, with alphabetical ordering when counts tie.

These counts describe representation in this slice of the ranking. They do not measure a state’s share of national land or population. Compare the first and last county equivalents on this page to inspect land, water, and total area separately.

Read the geographic explanation behind this ranking, or return to the ranking overview for the national distribution and guidance on selecting a measurement.

Find a county

Browse by state for a complete state ranking.

Population rankings use Census Bureau Vintage 2025 estimates; density rankings divide them by original ALAND square meters. Land rankings use original ALAND square meters; total-area rankings use ALAND + AWATER. Exact ties use ascending GEOID. Displayed square-mile values are rounded. Read the methodology.