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Most densely populated counties

Population per square mile of land, using the latest Census Bureau estimate and Gazetteer land area. Small urban counties and independent cities lead because a large population shares little land.

Ranks 1001–1100

Vintage 2025 population estimates · 2026 Gazetteer land area · 3,222 county equivalents · page 11 of 33

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What this part of the ranking shows

This page runs from Newton County, Missouri at 100 people per mi² to Louisa County, Virginia at 87 people per mi². The 100 entries represent 27 state-level jurisdictions. Ohio has the most entries on this page (10).

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 densely populated counties, ranks 1001 through 1100. Population is the July 1, 2025 estimate; density is per square mile of land.
RankCounty / equivalentStatePopulationPer mi²Land mi²
1001Newton CountyMissouri62,263100624.8
1002Pulaski CountyMissouri54,44299547.2
1003Lonoke CountyArkansas76,66499771.7
1004Mathews CountyVirginia8,5299985.9
1005Franklin CountyGeorgia25,94899261.6
1006Seneca CountyOhio54,52299551
1007Hancock CountyMississippi46,87399474
1008Montcalm CountyMichigan69,40698705.3
1009Pottawattamie CountyIowa92,99698951.3
1010Christian CountyKentucky70,11598717.8
1011Armstrong CountyPennsylvania63,69897653.3
1012Cumberland CountyTennessee66,30097681.3
1013Huntington CountyIndiana37,22497382.6
1014Livingston CountyNew York61,43897631.7
1015Edgecombe CountyNorth Carolina49,12197505.4
1016Pike CountyGeorgia20,93297216.1
1017Chambers CountyTexas57,59496597.2
1018Bradford CountyFlorida28,30796294
1019Washington CountyVirginia53,89896561.2
1020Lee CountyGeorgia34,17996355.9
1021Unicoi CountyTennessee17,85696186.1
1022Union CountyTennessee21,45096223.6
1023Preble CountyOhio40,66496424.2
1024Jones CountyMississippi66,49696694.8
1025Muscatine CountyIowa41,85396437.4
1026Marshall CountyWest Virginia29,15995305.4
1027Camden CountyGeorgia60,14395630.3
1028DeKalb CountyAlabama74,08595777.1
1029Pottawatomie CountyOklahoma75,10295787.8
1030Mercer CountyKentucky23,73395249.4
1031Rapides ParishLouisiana125,877951,324.1
1032Weld CountyColorado378,426953,985
1033LaSalle CountyIllinois107,773951,135.1
1034Columbia CountyNew York60,16895634.7
1035Pike CountyMississippi38,71295409.2
1036Geary CountyKansas36,33894384.7
1037Blue Earth CountyMinnesota70,63494747.8
1038Lafayette CountyMississippi59,59794631.7
1039Taylor CountyWest Virginia16,28794172.8
1040Barren CountyKentucky45,64194487.4
1041Wood CountyWisconsin74,06093793
1042Blount CountyAlabama60,15693644.9
1043Defiance CountyOhio38,29293411.4
1044Columbia CountyFlorida74,09493797.4
1045Jackson CountyIndiana47,37093510
1046Dade CountyGeorgia16,15493174.1
1047Wise CountyTexas83,77893904.4
1048Mercer CountyOhio42,73792462.4
1049Washington CountyOhio58,38992632.3
1050Jefferson CountyIndiana33,27992360.7
1051Miami CountyIndiana34,48792373.8
1052Cortland CountyNew York45,85092498.8
1053Russell CountyAlabama58,89892641.2
1054Grand Isle CountyVermont7,5119281.8
1055Cass CountyIndiana37,83692412.1
1056Grainger CountyTennessee25,73992280.6
1057Jackson CountyNorth Carolina45,03992491.1
1058Coles CountyIllinois46,60792508.3
1059Lycoming CountyPennsylvania112,587921,228.9
1060Banks CountyGeorgia21,27392232.4
1061Des Moines CountyIowa38,07792416.1
1062Tioga CountyNew York47,45391518.8
1063Warren CountyMissouri39,01691428.6
1064Branch CountyMichigan45,99391506.4
1065Brown CountyOhio44,39791489.6
1066Champaign CountyOhio38,82090429
1067Monroe CountyIllinois34,84090385.3
1068Transylvania CountyNorth Carolina34,21190378.4
1069Scott CountyMissouri37,97590420
1070Franklin CountyIllinois36,91690408.9
1071Marathon CountyWisconsin139,432901,545.2
1072Shenandoah CountyVirginia45,83990508.1
1073Taney CountyMissouri57,00190632.3
1074Macon CountyTennessee27,66390307.1
1075Jackson CountyIllinois52,50190583.6
1076Gallatin CountyKentucky8,8409098.3
1077Walton CountyFlorida93,288901,038.4
1078Portage CountyWisconsin71,94390800.9
1079Morrow CountyOhio36,30589406.1
1080Lafourche ParishLouisiana95,505891,069.7
1081Dale CountyAlabama49,91289561.1
1082Simpson CountyKentucky20,78889234.2
1083Richmond CountyNorth Carolina42,04189473.7
1084Clarke CountyVirginia15,60989176
1085Upson CountyGeorgia28,50088323.5
1086Perry CountyOhio35,91888407.9
1087Washington CountyUtah213,670882,427.6
1088Jefferson CountyNew York111,540881,267.9
1089Wilkes CountyNorth Carolina66,23388753.7
1090Floyd CountyKentucky34,40187393.3
1091St. Landry ParishLouisiana80,76587923.4
1092Rowan CountyKentucky24,47687279.9
1093Steele CountyMinnesota37,46487429.6
1094Acadia ParishLouisiana57,03287655.2
1095McClain CountyOklahoma49,64787570.7
1096Williams CountyOhio36,54987420.7
1097Cocke CountyTennessee37,88987436.1
1098Washington CountyVermont59,65287687.1
1099Colquitt CountyGeorgia47,43887547.1
1100Louisa CountyVirginia42,92487495.1

Read the differences behind ranks 1001–1100

The median density among these 100 entries is 92 people per mi². The first and last entries span 13 people per square mile. 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

  • Ohio10 entries · 10% of this page
  • Georgia8 entries · 8% of this page
  • Kentucky7 entries · 7% of this page
  • Tennessee6 entries · 6% of this page
  • Illinois5 entries · 5% of this page
  • Indiana5 entries · 5% of this page

The remaining 21 jurisdictions contribute 59 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.

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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.