RANKING · 2025 ESTIMATES · 500 SHOWN OF 3,144

Most densely populated, US counties

US counties ranked by residents per square mile (2025). New York County, New York leads at 73,478. 3,144 counties qualify in total. Virginia carries 8 of the top 25 entries.

Flip the list · Most sparsely populated, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros

RANKPLACESTATEPOPPOPULATION DENSITYVS –

01New York County, NYNY1,664,86273,478–

02Kings County, NYNY2,653,96338,254–

03Bronx County, NYNY1,406,33233,344–

04Queens County, NYNY2,358,18221,690–

05San Francisco County, CACA826,07917,689–

06Hudson County, NJNJ735,03315,912–

07Suffolk County, MAMA791,89113,594–

08Philadelphia County, PAPA1,574,28111,717–

09District of Columbia, DCDC693,64511,348–

10Alexandria, VAVA160,66210,757–

11Arlington County, VAVA243,9319,383–

12Richmond County, NYNY501,2908,715–

13Falls Church, VAVA15,1597,409–

14Essex County, NJNJ896,3797,109–

15Baltimore, MDMD569,9977,042–

16Union County, NJNJ601,8635,857–

17Cook County, ILIL5,194,6255,497–

18Manassas Park, VAVA16,5605,458–

19Nassau County, NYNY1,398,9394,916–

20Denver County, COCO740,6134,838–

21St. Louis, MOMO278,1444,507–

22Manassas, VAVA44,3324,504–

23Norfolk, VAVA231,0134,336–

24Charlottesville, VAVA44,3884,333–

25Fairfax, VAVA26,7724,290–

26Bergen County, NJNJ977,0264,197–

27Orange County, CACA3,149,5073,972–

28Richmond, VAVA237,2573,959–

29Milwaukee County, WIWI924,2163,828–

30Ramsey County, MNMN541,6233,557–

31Pinellas County, FLFL948,5633,465–

32Delaware County, PAPA580,9373,161–

33Lexington, VAVA7,7693,109–

34Winchester, VAVA28,2723,075–

35Dallas County, TXTX2,661,3973,048–

36Fairfax County, VAVA1,167,8732,987–

37Harris County, TXTX5,045,0262,955–

38Harrisonburg, VAVA50,8392,933–

39Fredericksburg, VAVA30,3932,908–

40Portsmouth, VAVA96,7772,906–

41DeKalb County, GAGA774,3942,893–

42Wayne County, MIMI1,769,0382,891–

43Middlesex County, NJNJ883,3352,856–

44Passaic County, NJNJ531,6242,856–

45DuPage County, ILIL934,2982,850–

46Cuyahoga County, OHOH1,232,9252,697–

47Hampton, VAVA137,3152,668–

48Newport News, VAVA183,2302,656–

49Tarrant County, TXTX2,248,4662,599–

50Franklin County, OHOH1,361,5362,557–

51Marion County, ININ992,1962,506–

52Colonial Heights, VAVA18,7382,492–

53Camden County, NJNJ535,7992,420–

54Greater Bridgeport Planning Region, CTCT337,6972,409–

55Broomfield County, COCO79,1742,402–

56Los Angeles County, CACA9,694,9342,388–

57Gwinnett County, GAGA1,018,0992,361–

58Westchester County, NYNY1,015,7432,358–

59Mecklenburg County, NCNC1,233,3832,356–

60Cobb County, GAGA793,3452,335–

61Roanoke, VAVA99,1112,331–

62Hennepin County, MNMN1,284,7842,319–

63Hopewell, VAVA23,2612,247–

64Alameda County, CACA1,636,6302,219–

65Montgomery County, MDMD1,074,5822,179–

66Orleans Parish, LALA362,1542,137–

67Clayton County, GAGA297,4712,098–

68Jefferson County, KYKY795,2222,088–

69Fulton County, GAGA1,098,7912,086–

70Bristol County, RIRI50,0012,072–

71Hamilton County, OHOH838,4182,068–

72Rockland County, NYNY357,3972,058–

73Middlesex County, MAMA1,669,9792,042–

74Prince George's County, MDMD970,3742,011–

75St. Louis County, MOMO990,9111,951–

76Norfolk County, MAMA739,7491,868–

77Douglas County, NENE606,4601,858–

78Virginia Beach, VAVA453,7371,854–

79Macomb County, MIMI886,2211,849–

80Multnomah County, OROR795,3911,845–

81Montgomery County, PAPA877,6431,817–

82Radford, VAVA17,2431,782–

83Mercer County, NJNJ399,2891,779–

84Salem, VAVA25,8161,779–

85Williamsburg, VAVA15,8611,775–

86Bexar County, TXTX2,160,0881,742–

87Suffolk County, NYNY1,546,0901,697–

88Orange County, FLFL1,528,0021,692–

89Essex County, MAMA826,6531,678–

90Allegheny County, PAPA1,225,0351,678–

91Sacramento County, CACA1,618,4601,677–

92Broward County, FLFL2,013,3171,674–

93Lynchburg, VAVA81,3471,661–

94San Mateo County, CACA743,5681,658–

95Providence County, RIRI678,1791,656–

96Honolulu County, HIHI988,7031,646–

97Contra Costa County, CACA1,170,0701,632–

98Salt Lake County, UTUT1,220,9161,622–

99Lake County, ILIL719,3391,622–

100Waynesboro, VAVA23,9511,600–

101Seminole County, FLFL491,8841,590–

102South Central Connecticut Planning Region, CTCT578,7411,576–

103Collin County, TXTX1,297,1791,542–

104Hillsborough County, FLFL1,574,1151,539–

105Wake County, NCNC1,257,2351,506–

106Prince William County, VAVA502,9661,500–

107Oakland County, MIMI1,288,3371,485–

108Petersburg, VAVA33,7341,485–

109Santa Clara County, CACA1,914,3911,483–

110Davidson County, TNTN745,9041,482–

111Miami-Dade County, FLFL2,802,0291,475–

112Henrico County, VAVA342,7751,467–

113Anne Arundel County, MDMD603,3801,455–

114Jefferson Parish, LALA431,3981,434–

115Baltimore County, MDMD847,6501,417–

116Travis County, TXTX1,389,6701,398–

117Duval County, FLFL1,062,9631,394–

118Monmouth County, NJNJ651,0351,390–

119New Castle County, DEDE588,0261,379–

120Howard County, MDMD339,1831,352–

121Staunton, VAVA26,8011,345–

122Johnson County, KSKS636,9061,345–

123Summit County, OHOH538,3761,304–

124New Hanover County, NCNC245,9591,279–

125Bristol, VAVA16,4181,276–

126Martinsville, VAVA13,8491,264–

127Forsyth County, GAGA282,8051,259–

128Lucas County, OHOH423,3471,246–

129Tulsa County, OKOK698,7821,225–

130Denton County, TXTX1,069,3461,217–

131Jackson County, MOMO732,9941,213–

132Durham County, NCNC347,2401,208–

133Western Connecticut Planning Region, CTCT640,4821,204–

134Shelby County, TNTN910,2261,196–

135Somerset County, NJNJ356,4861,181–

136Davis County, UTUT381,2271,174–

137Montgomery County, OHOH539,5981,170–

138Fayette County, KYKY329,7511,162–

139Oklahoma County, OKOK822,1251,160–

140Monroe County, NYNY750,5061,142–

141Morris County, NJNJ524,2511,137–

142Fort Bend County, TXTX975,1911,132–

143Wyandotte County, KSKS170,5971,125–

144Naugatuck Valley Planning Region, CTCT463,3491,122–

145Lee County, FLFL875,6071,121–

146Lehigh County, PAPA384,3831,113–

147King County, WAWA2,344,9391,108–

148Rockwall County, TXTX140,7381,106–

149Kenton County, KYKY175,7791,096–

150Clarke County, GAGA129,9211,089–

151Bristol County, MAMA593,6401,073–

152Ocean County, NJNJ673,7461,072–

153Bucks County, PAPA647,8281,072–

154Covington, VAVA5,6801,039–

155Buena Vista, VAVA6,6721,036–

156Kent County, RIRI173,4951,029–

157Franklin, VAVA8,4781,024–

158Kane County, ILIL525,7571,012–

159Lake County, OHOH232,2171,012–

160Lake County, ININ504,6121,011–

161Knox County, TNTN511,4531,006–

162East Baton Rouge Parish, LALA456,1801,001–

163Forsyth County, NCNC401,718985–

164Hamilton County, ININ387,036981–

165Galveston County, TXTX372,207981–

166Danville, VAVA41,647973–

167Gloucester County, NJNJ312,638971–

168Capitol Planning Region, CTCT994,115968–

169Lafayette Parish, LALA257,949960–

170Chesterfield County, VAVA397,148938–

171Muscogee County, GAGA202,171934–

172Erie County, NYNY946,741908–

173Anoka County, MNMN381,605904–

174Pasco County, FLFL674,516903–

175Polk County, IAIA516,546902–

176Northampton County, PAPA324,411877–

177Sarpy County, NENE208,303875–

178Loudoun County, VAVA449,749872–

179Guilford County, NCNC562,234870–

180El Paso County, TXTX877,858866–

181Poquoson, VAVA13,292866–

182Sarasota County, FLFL479,958863–

183Butler County, OHOH400,128858–

184Will County, ILIL712,253852–

185Clark County, WAWA532,119847–

186Washington County, OROR611,708845–

187Arapahoe County, COCO673,820845–

188Henry County, GAGA264,922831–

189Plymouth County, MAMA546,829830–

190Dakota County, MNMN457,710814–

191Newport County, RIRI83,051811–

192Galax, VAVA6,670810–

193Palm Beach County, FLFL1,575,726802–

194Kent County, MIMI675,232795–

195Schenectady County, NYNY162,581794–

196Emporia, VAVA5,447789–

197Vanderburgh County, ININ181,995780–

198San Diego County, CACA3,282,248780–

199Douglas County, GAGA154,293771–

200St. Charles County, MOMO426,499761–

201Jefferson County, COCO580,451759–

202Waukesha County, WIWI417,210759–

203Rockdale County, GAGA98,416758–

204Chesapeake, VAVA255,332754–

205Hampden County, MAMA464,338753–

206Montgomery County, TXTX781,194750–

207Washington County, MNMN286,895746–

208Chester County, PAPA557,116742–

209Greenville County, SCSC583,125742–

210Hamilton County, TNTN390,833721–

211Chatham County, GAGA311,855721–

212Kitsap County, WAWA283,374717–

213Cherokee County, GAGA299,273711–

214St. Lucie County, FLFL402,449704–

215Gaston County, NCNC246,558693–

216Cabarrus County, NCNC249,725691–

217York County, VAVA71,374682–

218Williamson County, TXTX752,827675–

219Clay County, MOMO265,032666–

220Lorain County, OHOH323,219659–

221Brevard County, FLFL663,982654–

222Stark County, OHOH373,771650–

223Fayette County, GAGA125,156643–

224Warren County, OHOH257,181641–

225Richmond County, GAGA206,559637–

226Stafford County, VAVA170,803634–

227Bibb County, GAGA157,556632–

228Campbell County, KYKY95,441631–

229Manatee County, FLFL468,200630–

230Genesee County, MIMI401,093630–

231Rutherford County, TNTN386,352624–

232Kenosha County, WIWI168,448620–

233Barrow County, GAGA99,773620–

234Albany County, NYNY321,225614–

235Allen County, ININ402,329612–

236Paulding County, GAGA190,996611–

237Harford County, MDMD266,446610–

238Burlington County, NJNJ481,439602–

239Onondaga County, NYNY466,584599–

240Jefferson County, ALAL665,742599–

241Racine County, WIWI198,919598–

242Lancaster County, PAPA563,159597–

243St. Joseph County, ININ272,861596–

244Barnstable County, MAMA233,539592–

245San Joaquin County, CACA823,815592–

246Boone County, KYKY145,316590–

247Worcester County, MAMA888,502588–

248Hidalgo County, TXTX921,549587–

249James City County, VAVA83,326586–

250Columbia County, GAGA169,189583–

251Santa Cruz County, CACA258,852582–

252Hall County, GAGA226,568577–

253St. Johns County, FLFL346,328577–

254Bernalillo County, NMNM667,601575–

255Richland County, SCSC434,956574–

256Pierce County, WAWA946,288567–

257Cleveland County, OKOK303,973564–

258Dauphin County, PAPA293,351559–

259Solano County, CACA455,376554–

260Floyd County, ININ82,153553–

261Winnebago County, ILIL283,674553–

262Volusia County, FLFL606,573551–

263Ottawa County, MIMI308,459547–

264Delaware County, OHOH242,032546–

265Mahoning County, OHOH224,706546–

266Johnson County, ININ174,262544–

267Madison County, ALAL433,516541–

268Sedgwick County, KSKS538,433540–

269Pulaski County, ARAR404,611534–

270McHenry County, ILIL317,751527–

271Washtenaw County, MIMI370,214524–

272York County, PAPA473,197523–

273Ingham County, MIMI289,709521–

274Brown County, WIWI275,803520–

275Ada County, IDID546,141519–

276Cumberland County, NCNC338,473519–

277Orange County, NYNY417,669514–

278Berks County, PAPA440,072514–

279Maricopa County, AZAZ4,689,558510–

280Cumberland County, PAPA277,270508–

281Escambia County, FLFL333,834508–

282Atlantic County, NJNJ278,657502–

283Hillsborough County, NHNH433,415494–

284Dane County, WIWI590,375493–

285Marin County, CACA253,694488–

286Cameron County, TXTX433,946487–

287Polk County, FLFL874,790487–

288Clermont County, OHOH216,977479–

289Lake County, FLFL456,068479–

290Hendricks County, ININ193,510476–

291Adams County, COCO554,668475–

292Charleston County, SCSC436,200475–

293Douglas County, COCO399,396475–

294Southeastern Connecticut Planning Region, CTCT284,015475–

295Houston County, GAGA178,214474–

296Lackawanna County, PAPA216,502472–

297Spartanburg County, SCSC380,857471–

298Kalamazoo County, MIMI263,795469–

299Hernando County, FLFL221,701469–

300Canyon County, IDID275,123469–

301Williamson County, TNTN272,061467–

302Rockingham County, NHNH324,077466–

303Ascension Parish, LALA135,105466–

304Norton, VAVA3,477465–

305Montgomery County, TNTN249,935464–

306Gregg County, TXTX126,095461–

307Newton County, GAGA125,583459–

308Frederick County, MDMD302,883458–

309Greene County, MOMO309,286458–

310Weber County, UTUT278,174455–

311Lexington County, SCSC317,588454–

312Kendall County, ILIL145,470454–

313Boulder County, COCO328,560452–

314Ventura County, CACA830,851451–

315Elkhart County, ININ208,774451–

316York County, SCSC306,887451–

317Hays County, TXTX304,390450–

318Leon County, FLFL299,048447–

319Scott County, MNMN159,017447–

320Calvert County, MDMD94,484443–

321Alamance County, NCNC186,177440–

322Medina County, OHOH185,025439–

323Berkeley County, WVWV139,522434–

324Washington County, TNTN141,199432–

325Putnam County, NYNY99,028430–

326Catoosa County, GAGA69,628429–

327Hamblen County, TNTN68,843427–

328Brazos County, TXTX249,088425–

329Catawba County, NCNC170,172424–

330Union County, NCNC267,674423–

331Buncombe County, NCNC277,417423–

332Greene County, OHOH174,322421–

333Thurston County, WAWA304,261421–

334Porter County, ININ176,049421–

335Nueces County, TXTX352,992421–

336Lower Connecticut River Valley Planning Region, CTCT177,311418–

337Snohomish County, WAWA870,656417–

338DeSoto County, MSMS197,918415–

339Island County, WAWA85,657411–

340Sumner County, TNTN215,538407–

341Carson City, NVNV58,571405–

342Ozaukee County, WIWI94,346405–

343Lebanon County, PAPA146,380405–

344Winnebago County, WIWI174,218401–

345Niagara County, NYNY208,912400–

346Lancaster County, NENE334,049399–

347Clay County, FLFL239,593396–

348Sullivan County, TNTN163,759396–

349Carroll County, MDMD176,677395–

350Washington County, RIRI129,795394–

351Benton County, ARAR332,554392–

352Roanoke County, VAVA97,150388–

353Spotsylvania County, VAVA155,388387–

354Charles County, MDMD176,593386–

355Orange County, NCNC152,498384–

356Ohio County, WVWV40,496383–

357Scott County, IAIA175,259383–

358Beaver County, PAPA166,032382–

359Tippecanoe County, ININ190,456382–

360Bell County, TXTX402,248382–

361St. Clair County, ILIL250,708381–

362Cumberland County, MEME317,222379–

363Utah County, UTUT759,859379–

364Oldham County, KYKY70,986379–

365Harrison County, MSMS217,136379–

366Dutchess County, NYNY300,708378–

367Horry County, SCSC427,551377–

368Comal County, TXTX209,166374–

369Luzerne County, PAPA332,126373–

370Stanislaus County, CACA557,719373–

371Cape May County, NJNJ93,390371–

372Iredell County, NCNC211,798369–

373Madison County, ILIL263,110368–

374Strafford County, NHNH135,043367–

375Lubbock County, TXTX328,906367–

376Whitfield County, GAGA106,212366–

377Monroe County, ININ143,345363–

378Coweta County, GAGA160,240363–

379Osceola County, FLFL481,718363–

380Spalding County, GAGA70,775361–

381El Paso County, COCO757,040356–

382Jefferson County, MOMO233,132355–

383Beaufort County, SCSC204,433355–

384Muskegon County, MIMI177,901353–

385Riverside County, CACA2,544,916353–

386Bradley County, TNTN115,465351–

387Clark County, ININ130,451350–

388Livingston County, MIMI197,315349–

389Walton County, GAGA112,696345–

390Washington County, MDMD157,731345–

391Indian River County, FLFL172,799344–

392Clark County, OHOH135,340342–

393Westmoreland County, PAPA349,324340–

394Fairfield County, OHOH169,752337–

395Hancock County, WVWV27,729336–

396Portage County, OHOH163,404335–

397Mobile County, ALAL411,658335–

398Lincoln County, NCNC98,654333–

399Erie County, PAPA265,832333–

400Kent County, DEDE194,786332–

401Jessamine County, KYKY57,147332–

402Rock Island County, ILIL141,869332–

403Alachua County, FLFL290,028331–

404St. Tammany Parish, LALA279,108330–

405Shawnee County, KSKS178,607328–

406Henderson County, NCNC122,375328–

407Davidson County, NCNC180,182326–

408St. Mary's County, MDMD116,692325–

409Cumberland County, NJNJ157,148325–

410Cabell County, WVWV91,183324–

411Johnston County, NCNC256,448324–

412Linn County, IAIA232,028324–

413Washington County, WIWI139,238323–

414Carver County, MNMN114,379323–

415Trumbull County, OHOH198,972322–

416Nantucket County, MAMA14,758319–

417Charlotte County, FLFL217,212319–

418Warren County, NJNJ112,953317–

419Spokane County, WAWA558,344316–

420Chittenden County, VTVT169,115315–

421Placer County, CACA442,081314–

422Dorchester County, SCSC178,397314–

423Lee County, ALAL189,881313–

424Hampshire County, MAMA164,065311–

425Cecil County, MDMD107,131309–

426Sonoma County, CACA486,444309–

427Anderson County, SCSC219,930308–

428Hunterdon County, NJNJ131,781308–

429Brazoria County, TXTX419,080307–

430Outagamie County, WIWI195,894307–

431Wilson County, TNTN175,033306–

432Martin County, FLFL166,272306–

433Clark County, NVNV2,407,226305–

434Shelby County, ALAL238,552304–

435Rowan County, NCNC155,096303–

436Jefferson County, WVWV63,102301–

437Marion County, OROR355,777301–

438Johnson County, TXTX218,048301–

439Monongalia County, WVWV107,991300–

440Madison County, ININ135,088299–

441Boyd County, KYKY47,751299–

442Saratoga County, NYNY241,343298–

443Hancock County, ININ90,969297–

444Sussex County, DEDE277,140296–

445Citrus County, FLFL171,666295–

446Jackson County, GAGA99,265292–

447Erie County, OHOH73,296292–

448Bullitt County, KYKY86,454291–

449Jefferson County, TXTX254,321290–

450Flagler County, FLFL140,360289–

451Peoria County, ILIL178,553289–

452Delaware County, ININ113,106288–

453Washington County, ARAR271,213288–

454Montgomery County, ALAL225,891288–

455Howard County, ININ83,904286–

456Sussex County, NJNJ148,063286–

457Wicomico County, MDMD106,899285–

458Onslow County, NCNC217,175285–

459Monroe County, MIMI156,004284–

460Sumter County, FLFL157,772283–

461Guadalupe County, TXTX201,111283–

462Pitt County, NCNC182,936280–

463Pickens County, SCSC139,198280–

464Boone County, MOMO191,746280–

465Marion County, FLFL442,660279–

466Loudon County, TNTN63,764278–

467Broome County, NYNY195,736277–

468Miami County, OHOH112,634277–

469Warren County, KYKY149,375276–

470Lee County, NCNC70,258275–

471Monroe County, PAPA167,179275–

472Smith County, TXTX252,549274–

473Platte County, MOMO114,400272–

474Licking County, OHOH185,564272–

475McCracken County, KYKY67,553272–

476Bay County, FLFL204,479270–

477La Crosse County, WIWI121,339269–

478Berrien County, MIMI152,444268–

479Kaufman County, TXTX209,235268–

480Douglas County, KSKS120,920265–

481Vigo County, ININ106,512264–

482Minnehaha County, SDSD212,691264–

483Bartow County, GAGA120,800263–

484Carroll County, GAGA131,036263–

485McLennan County, TXTX272,020262–

486Suffolk, VAVA104,699262–

487Johnson County, IAIA160,044261–

488Ouachita Parish, LALA158,542260–

489Orange County, TXTX86,266258–

490Ellis County, TXTX240,867257–

491Blount County, TNTN143,820257–

492Olmsted County, MNMN166,731255–

493Caddo Parish, LALA224,226255–

494Montgomery County, VAVA98,434254–

495Butler County, PAPA200,169254–

496Franklin County, KYKY52,649253–

497Harnett County, NCNC150,137252–

498Richland County, OHOH124,893252–

499Dougherty County, GAGA82,616251–

500Allen County, OHOH100,881251–

SHOWING 1–500 OF 3,144

1 2 3 4 5 6 7

Download CSV (full list, 3,144 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES

Frequently asked

Which county has the highest population density?

New York County, New York ranks #1 with 73,478 (2025 Census Population Estimates).

What are the top 5 counties by population density?

New York County, New York, Kings County, New York, Bronx County, New York, Queens County, New York, San Francisco County, California.

How many counties are in this ranking?

3,144 counties qualify after filtering for population minimums and data availability. The ranking covers 2025 Census population estimates.

How is population density measured?

Residents per square mile of land area. Source: US Census Bureau, Population Estimates Program (2025).