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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 101–200

Vintage 2025 population estimates · 2026 Gazetteer land area · 3,222 county equivalents · page 2 of 33

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What this part of the ranking shows

This page runs from Broward County, Florida at 1,674 people per mi² to Muscogee County, Georgia at 934 people per mi². The 100 entries represent 28 state-level jurisdictions. Puerto Rico has the most entries on this page (20).

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 101 through 200. Population is the July 1, 2025 estimate; density is per square mile of land.
RankCounty / equivalentStatePopulationPer mi²Land mi²
101Broward CountyFlorida2,013,3171,6741,203
102Lynchburg cityVirginia81,3471,66348.9
103San Mateo CountyCalifornia743,5681,658448.6
104Providence CountyRhode Island678,1791,656409.5
105Honolulu CountyHawaii988,7031,646600.8
106Contra Costa CountyCalifornia1,170,0701,632716.9
107Salt Lake CountyUtah1,220,9161,622752.7
108Lake CountyIllinois719,3391,621443.7
109Waynesboro cityVirginia23,9511,60015
110Seminole CountyFlorida491,8841,590309.4
111South Central Connecticut Planning RegionConnecticut578,7411,576367.3
112Dorado MunicipioPuerto Rico35,8911,55123.1
113Collin CountyTexas1,297,1791,541841.6
114Hillsborough CountyFlorida1,574,1151,5401,022.2
115Wake CountyNorth Carolina1,257,2351,506834.8
116Prince William CountyVirginia502,9661,500335.3
117Oakland CountyMichigan1,288,3371,485867.4
118Petersburg cityVirginia33,7341,48522.7
119Santa Clara CountyCalifornia1,914,3911,4831,291.1
120Davidson CountyTennessee745,9041,481503.5
121Miami-Dade CountyFlorida2,802,0291,4751,900
122Henrico CountyVirginia342,7751,467233.7
123Aguadilla MunicipioPuerto Rico53,2191,45636.5
124Anne Arundel CountyMaryland603,3801,455414.8
125Jefferson ParishLouisiana431,3981,434300.9
126Gurabo MunicipioPuerto Rico39,7801,42627.9
127Baltimore CountyMaryland847,6501,417598.4
128Travis CountyTexas1,389,6701,398994.4
129Duval CountyFlorida1,062,9631,394762.7
130Monmouth CountyNew Jersey651,0351,390468.2
131Juncos MunicipioPuerto Rico36,6391,38326.5
132New Castle CountyDelaware588,0261,379426.3
133Howard CountyMaryland339,1831,352251
134Staunton cityVirginia26,8011,34519.9
135Johnson CountyKansas636,9061,345473.6
136Hormigueros MunicipioPuerto Rico15,2221,34211.3
137Summit CountyOhio538,3761,305412.7
138New Hanover CountyNorth Carolina245,9591,279192.3
139Bristol cityVirginia16,4181,27512.9
140Martinsville cityVirginia13,8491,26411
141Forsyth CountyGeorgia282,8051,259224.6
142Canóvanas MunicipioPuerto Rico41,3021,25632.9
143Lucas CountyOhio423,3471,246339.7
144Vega Alta MunicipioPuerto Rico34,3511,24127.7
145Tulsa CountyOklahoma698,7821,226570.2
146Denton CountyTexas1,069,3461,218878.1
147Jackson CountyMissouri732,9941,212604.7
148Aguada MunicipioPuerto Rico37,3191,21030.8
149Shelby CountyTennessee910,2261,209752.8
150Durham CountyNorth Carolina347,2401,208287.6
151Western Connecticut Planning RegionConnecticut640,4821,204532.1
152Barceloneta MunicipioPuerto Rico22,3161,19318.7
153Somerset CountyNew Jersey356,4861,181301.9
154Davis CountyUtah381,2271,173324.9
155Montgomery CountyOhio539,5981,170461.4
156Vega Baja MunicipioPuerto Rico53,5051,16745.9
157Fayette CountyKentucky329,7511,162283.9
158Oklahoma CountyOklahoma822,1251,160708.9
159Monroe CountyNew York750,5061,142657
160Morris CountyNew Jersey524,2511,137461
161Fort Bend CountyTexas975,1911,131862.1
162Wyandotte CountyKansas170,5971,125151.6
163Naugatuck Valley Planning RegionConnecticut463,3491,122412.8
164Lee CountyFlorida875,6071,121781.2
165Ponce MunicipioPuerto Rico128,3841,117114.9
166Lehigh CountyPennsylvania384,3831,113345.3
167Loíza MunicipioPuerto Rico21,5421,11119.4
168King CountyWashington2,344,9391,1082,115.8
169Rockwall CountyTexas140,7381,106127.2
170Cidra MunicipioPuerto Rico39,6691,10236
171Humacao MunicipioPuerto Rico49,2491,10144.7
172Kenton CountyKentucky175,7791,096160.4
173Rincón MunicipioPuerto Rico15,5821,09114.3
174Clarke CountyGeorgia129,9211,089119.3
175Naranjito MunicipioPuerto Rico29,6271,08327.4
176Bristol CountyMassachusetts593,6401,073553.1
177Ocean CountyNew Jersey673,7461,072628.3
178Bucks CountyPennsylvania647,8281,072604.4
179Covington cityVirginia5,6801,0395.5
180Buena Vista cityVirginia6,6721,0366.4
181Kent CountyRhode Island173,4951,029168.6
182Fajardo MunicipioPuerto Rico30,7801,02929.9
183Las Piedras MunicipioPuerto Rico34,7231,02533.9
184Franklin cityVirginia8,4781,0248.3
185Quebradillas MunicipioPuerto Rico23,1891,02322.7
186Kane CountyIllinois525,7571,012519.4
187Lake CountyOhio232,2171,012229.4
188Lake CountyIndiana504,6121,011498.9
189Knox CountyTennessee511,4531,006508.4
190East Baton Rouge ParishLouisiana456,1801,002455.5
191Forsyth CountyNorth Carolina401,718984408
192Hamilton CountyIndiana387,036981394.4
193Galveston CountyTexas372,207981379.4
194Arroyo MunicipioPuerto Rico14,74498115
195Danville cityVirginia41,64797342.8
196Gloucester CountyNew Jersey312,638971322
197Capitol Planning RegionConnecticut994,1159681,027.4
198Lafayette ParishLouisiana257,949960268.8
199Chesterfield CountyVirginia397,148938423.5
200Muscogee CountyGeorgia202,171934216.5

Read the differences behind ranks 101–200

The median density among these 100 entries is 1,206 people per mi². The first and last entries span 740 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

  • Puerto Rico20 entries · 20% of this page
  • Virginia13 entries · 13% of this page
  • Florida6 entries · 6% of this page
  • Texas6 entries · 6% of this page
  • New Jersey5 entries · 5% of this page
  • Connecticut4 entries · 4% of this page

The remaining 22 jurisdictions contribute 46 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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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.