RANKING · 2025 ESTIMATES · 500 SHOWN OF 3,144

Largest by population, US counties

The most populous US counties as of the 2025 population estimates. Los Angeles County, California leads at 9,694,934. 3,144 counties qualify in total. California carries 8 of the top 25 entries. The median across all 3,144 is 26,236. Biggest climber in the top 100 since 2020: Montgomery County, TX, up 21 places to #86.

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 2000

01Los Angeles County, CACA9,694,934+2%

02Cook County, ILIL5,194,625−3%

03Harris County, TXTX5,045,026+48%

04Maricopa County, AZAZ4,689,558+53%

05San Diego County, CACA3,282,248+17%

06Orange County, CACA3,149,507+11%

07▲1Miami-Dade County, FLFL2,802,029+24%

08▲1Dallas County, TXTX2,661,397+20%

09▼2Kings County, NYNY2,653,963+8%

10Riverside County, CACA2,544,916+65%

11▲2Clark County, NVNV2,407,226+75%

12▼1Queens County, NYNY2,358,182+6%

13▼1King County, WAWA2,344,939+35%

14▲1Tarrant County, TXTX2,248,466+55%

15▼1San Bernardino County, CACA2,224,091+30%

16Bexar County, TXTX2,160,088+55%

17Broward County, FLFL2,013,317+24%

18Santa Clara County, CACA1,914,391+14%

19Wayne County, MIMI1,769,038−14%

20▲2Middlesex County, MAMA1,669,979+14%

21▼1New York County, NYNY1,664,862+8%

22▼1Alameda County, CACA1,636,630+13%

23▲1Sacramento County, CACA1,618,460+32%

24▲2Palm Beach County, FLFL1,575,726+39%

25▼2Philadelphia County, PAPA1,574,281+4%

26▲2Hillsborough County, FLFL1,574,115+58%

27▼2Suffolk County, NYNY1,546,090+9%

28▲1Orange County, FLFL1,528,002+70%

29▼2Bronx County, NYNY1,406,332+6%

30Nassau County, NYNY1,398,939+5%

31▲1Travis County, TXTX1,389,670+71%

32▼1Franklin County, OHOH1,361,536+27%

33▲10Collin County, TXTX1,297,179+164%

34Oakland County, MIMI1,288,337+8%

35▼2Hennepin County, MNMN1,284,784+15%

36▲4Wake County, NCNC1,257,235+100%

37▲4Mecklenburg County, NCNC1,233,383+77%

38▼3Cuyahoga County, OHOH1,232,925−12%

39▼3Allegheny County, PAPA1,225,035−4%

40▼3Salt Lake County, UTUT1,220,916+36%

41▼3Contra Costa County, CACA1,170,070+23%

42▼3Fairfax County, VAVA1,167,873+20%

43▼1Fulton County, GAGA1,098,791+35%

44▲1Pima County, AZAZ1,074,685+27%

45▼1Montgomery County, MDMD1,074,582+23%

46▲16Denton County, TXTX1,069,346+147%

47▲3Duval County, FLFL1,062,963+36%

48▼1Fresno County, CACA1,035,456+30%

49▲5Gwinnett County, GAGA1,018,099+73%

50▼2Westchester County, NYNY1,015,743+10%

51Capitol Planning Region, CTCT994,115–

52▼1Marion County, ININ992,196+15%

53▼4St. Louis County, MOMO990,911−2%

54▼8Honolulu County, HIHI988,703+13%

55Bergen County, NJNJ977,026+11%

56▲19Fort Bend County, TXTX975,191+175%

57▼5Prince George's County, MDMD970,374+21%

58▼5Pinellas County, FLFL948,563+3%

59▼3Erie County, NYNY946,7410%

60Pierce County, WAWA946,288+35%

61▼3DuPage County, ILIL934,298+3%

62▼1Kern County, CACA927,068+40%

63▼6Milwaukee County, WIWI924,216−2%

64▲1Hidalgo County, TXTX921,549+62%

65▼6Shelby County, TNTN910,226+1%

66▲1Essex County, NJNJ896,379+13%

67▲2Worcester County, MAMA888,502+18%

68▼5Macomb County, MIMI886,221+12%

69▼1Middlesex County, NJNJ883,335+18%

70▼4El Paso County, TXTX877,858+29%

71▼1Montgomery County, PAPA877,643+17%

72▲13Lee County, FLFL875,607+99%

73▲16Polk County, FLFL874,790+81%

74Snohomish County, WAWA870,656+44%

75▼4Baltimore County, MDMD847,650+12%

76▼3Hamilton County, OHOH838,418−1%

77▼5Ventura County, CACA830,851+10%

78▼1Essex County, MAMA826,653+14%

79▼15San Francisco County, CACA826,079+6%

80▲1San Joaquin County, CACA823,815+46%

81▼2Oklahoma County, OKOK822,125+24%

82▼6Multnomah County, OROR795,391+20%

83▼3Jefferson County, KYKY795,222+15%

84▼2Cobb County, GAGA793,345+31%

85▼7Suffolk County, MAMA791,891+15%

86▲21Montgomery County, TXTX781,194+166%

87▼3DeKalb County, GAGA774,394+16%

88▲13Utah County, UTUT759,859+106%

89▼2El Paso County, COCO757,040+46%

90▲19Williamson County, TXTX752,827+201%

91▼5Monroe County, NYNY750,506+2%

92Davidson County, TNTN745,904+31%

93▼10San Mateo County, CACA743,568+5%

94▼1Denver County, COCO740,613+34%

95▼7Norfolk County, MAMA739,749+14%

96▼6Hudson County, NJNJ735,033+21%

97▼6Jackson County, MOMO732,994+12%

98▼4Lake County, ILIL719,339+12%

99▼4Will County, ILIL712,253+42%

100▼1Tulsa County, OKOK698,782+24%

101▼5District of Columbia, DCDC693,645+21%

102▼2Providence County, RIRI678,179+9%

103▼1Kent County, MIMI675,232+18%

104▲16Pasco County, FLFL674,516+96%

105▼2Arapahoe County, COCO673,820+38%

106Ocean County, NJNJ673,746+32%

107▼10Bernalillo County, NMNM667,601+20%

108▼10Jefferson County, ALAL665,742+1%

109▲1Brevard County, FLFL663,982+39%

110▼5Monmouth County, NJNJ651,035+6%

111▼7Bucks County, PAPA647,828+8%

112Western Connecticut Planning Region, CTCT640,482–

113▼5Johnson County, KSKS636,906+41%

114▼3Washington County, OROR611,708+37%

115▲7Volusia County, FLFL606,573+37%

116▼2Douglas County, NENE606,460+31%

117▼5Anne Arundel County, MDMD603,380+23%

118Union County, NJNJ601,863+15%

119▼3Bristol County, MAMA593,640+11%

120▲1Dane County, WIWI590,375+38%

121▼2New Castle County, DEDE588,026+18%

122▲10Greenville County, SCSC583,125+54%

123▼6Delaware County, PAPA580,937+5%

124▼9Jefferson County, COCO580,451+10%

125South Central Connecticut Planning Region, CTCT578,741–

126▼13Baltimore, MDMD569,997−12%

127▼4Lancaster County, PAPA563,159+20%

128▼2Guilford County, NCNC562,234+34%

129▼1Spokane County, WAWA558,344+34%

130▼6Stanislaus County, CACA557,719+25%

131▼1Chester County, PAPA557,116+29%

132▲4Adams County, COCO554,668+52%

133▼2Plymouth County, MAMA546,829+16%

134▲8Ada County, IDID546,141+82%

135▼10Ramsey County, MNMN541,623+6%

136▼7Montgomery County, OHOH539,598−3%

137▲27Pinal County, AZAZ539,380+200%

138▼4Sedgwick County, KSKS538,433+19%

139▼12Summit County, OHOH538,376−1%

140▼5Camden County, NJNJ535,799+5%

141▼2Clark County, WAWA532,119+54%

142▼9Passaic County, NJNJ531,624+9%

143▼6Kane County, ILIL525,757+30%

144▼6Morris County, NJNJ524,251+11%

145▼2Polk County, IAIA516,546+38%

146▲1Knox County, TNTN511,453+34%

147▼2Washoe County, NVNV509,386+50%

148▼8Lake County, ININ504,612+4%

149▼3Prince William County, VAVA502,966+79%

150▼9Richmond County, NYNY501,290+13%

151▼1Seminole County, FLFL491,884+35%

152▼8Sonoma County, CACA486,444+6%

153▼4Tulare County, CACA485,146+32%

154▲26Osceola County, FLFL481,718+179%

155▼3Burlington County, NJNJ481,439+14%

156▲5Sarasota County, FLFL479,958+47%

157▼2York County, PAPA473,197+24%

158▲19Manatee County, FLFL468,200+77%

159▼11Onondaga County, NYNY466,584+2%

160▼9Hampden County, MAMA464,338+2%

161Naugatuck Valley Planning Region, CTCT463,349–

162▼3Dakota County, MNMN457,710+29%

163▼9East Baton Rouge Parish, LALA456,180+10%

164▲21Lake County, FLFL456,068+117%

165▼9Solano County, CACA455,376+15%

166▼13Virginia Beach, VAVA453,737+7%

167▲1Loudoun County, VAVA449,749+165%

168▲20Marion County, FLFL442,660+71%

169▲6Placer County, CACA442,081+78%

170▼13Santa Barbara County, CACA442,065+11%

171▼8Berks County, PAPA440,072+18%

172▼1Charleston County, SCSC436,200+41%

173▼4Richland County, SCSC434,956+36%

174▼7Cameron County, TXTX433,946+29%

175▼15Monterey County, CACA433,729+8%

176▲5Madison County, ALAL433,516+57%

177▼12Hillsborough County, NHNH433,415+14%

178▼20Jefferson Parish, LALA431,398−5%

179▲24Horry County, SCSC427,551+117%

180▼6St. Charles County, MOMO426,499+50%

181▼15Clackamas County, OROR426,280+26%

182▼20Lucas County, OHOH423,347−7%

183▲10Brazoria County, TXTX419,080+73%

184▼8Orange County, NYNY417,669+22%

185▼13Waukesha County, WIWI417,210+16%

186▲3Collier County, FLFL417,131+66%

187▼17Mobile County, ALAL411,658+3%

188▼10Pulaski County, ARAR404,611+12%

189▲25St. Lucie County, FLFL402,449+109%

190▼7Allen County, ININ402,329+21%

191▲3Bell County, TXTX402,248+69%

192▼5Forsyth County, NCNC401,718+31%

193▼20Genesee County, MIMI401,093−8%

194▼15Butler County, OHOH400,128+20%

195▲5Douglas County, COCO399,396+127%

196▼14Mercer County, NJNJ399,289+14%

197▼1Chesterfield County, VAVA397,148+53%

198▼3Hamilton County, TNTN390,833+27%

199▲6Hamilton County, ININ387,036+112%

200▲8Rutherford County, TNTN386,352+112%

201▼10Lehigh County, PAPA384,383+23%

202▼5Anoka County, MNMN381,605+28%

203▼17Lane County, OROR381,584+18%

204▼6Davis County, UTUT381,227+60%

205▲11Spartanburg County, SCSC380,857+50%

206▲9Weld County, COCO378,426+109%

207▼8Larimer County, COCO377,292+50%

208▼18Stark County, OHOH373,771−1%

209▼5Galveston County, TXTX372,207+49%

210▼18Washtenaw County, MIMI370,214+15%

211▼27Orleans Parish, LALA362,154−25%

212▼3Rockland County, NYNY357,397+25%

213▼6Somerset County, NJNJ356,486+20%

214▼8Marion County, OROR355,777+25%

215▼13Nueces County, TXTX352,992+13%

216▼15Westmoreland County, PAPA349,324−6%

217▲1Durham County, NCNC347,240+55%

218▲33St. Johns County, FLFL346,328+181%

219▼8Henrico County, VAVA342,775+31%

220▼8Howard County, MDMD339,183+37%

221▼11Cumberland County, NCNC338,473+12%

222Greater Bridgeport Planning Region, CTCT337,697–

223▼4Lancaster County, NENE334,049+33%

224▼3Escambia County, FLFL333,834+13%

225▲19Benton County, ARAR332,554+117%

226▼9Luzerne County, PAPA332,126+4%

227▼7Fayette County, KYKY329,751+27%

228▼2Lubbock County, TXTX328,906+36%

229▼16Boulder County, COCO328,560+13%

230▼5Northampton County, PAPA324,411+21%

231▼8Rockingham County, NHNH324,077+17%

232▼8Lorain County, OHOH323,219+14%

233▼11Albany County, NYNY321,225+9%

234▼7McHenry County, ILIL317,751+22%

235▲3Lexington County, SCSC317,588+47%

236▼8Cumberland County, MEME317,222+19%

237▼8Gloucester County, NJNJ312,638+23%

238▼2Chatham County, GAGA311,855+34%

239▼8Greene County, MOMO309,286+29%

240▼7Ottawa County, MIMI308,459+29%

241▲5York County, SCSC306,887+86%

242▲37Hays County, TXTX304,390+212%

243▼6Thurston County, WAWA304,261+47%

244▼9Cleveland County, OKOK303,973+46%

245▲8Frederick County, MDMD302,883+55%

246▼12Dutchess County, NYNY300,708+7%

247▲13Cherokee County, GAGA299,273+111%

248▼9Leon County, FLFL299,048+25%

249▼17Clayton County, GAGA297,471+26%

250▼3Merced County, CACA297,260+41%

251▼10Dauphin County, PAPA293,351+17%

252▼4Alachua County, FLFL290,028+33%

253▼10Ingham County, MIMI289,709+4%

254▼14Anchorage, AKAK287,155+10%

255▲3Washington County, MNMN286,895+43%

256Southeastern Connecticut Planning Region, CTCT284,015–

257▼15Winnebago County, ILIL283,674+2%

258▼9Kitsap County, WAWA283,374+22%

259▲14Forsyth County, GAGA282,805+187%

260▼15San Luis Obispo County, CACA282,367+14%

261▼2Webb County, TXTX281,224+46%

262St. Tammany Parish, LALA279,108+46%

263▼13Atlantic County, NJNJ278,657+10%

264Weber County, UTUT278,174+42%

265▼35St. Louis, MOMO278,144−20%

266▼10Buncombe County, NCNC277,417+34%

267▲1Cumberland County, PAPA277,270+30%

268▲17Sussex County, DEDE277,140+77%

269▼12Brown County, WIWI275,803+22%

270▲23Canyon County, IDID275,123+109%

271▲24Berkeley County, SCSC274,666+93%

272▼20St. Joseph County, ININ272,861+3%

273▲2Williamson County, TNTN272,061+115%

274▼7McLennan County, TXTX272,020+27%

275▲1Washington County, ARAR271,213+72%

276▲16Baldwin County, ALAL267,761+91%

277▲5Union County, NCNC267,674+116%

278▼12Harford County, MDMD266,446+22%

279▼25Erie County, PAPA265,832−5%

280▼8Clay County, MOMO265,032+44%

281▼1Henry County, GAGA264,922+122%

282▼17Kalamazoo County, MIMI263,795+11%

283▼22Madison County, ILIL263,110+2%

284▼14Yakima County, WAWA259,185+16%

285▼30Santa Cruz County, CACA258,852+1%

286▼8Lafayette Parish, LALA257,949+35%

287▼10Warren County, OHOH257,181+62%

288▲26Johnston County, NCNC256,448+110%

289▼15Chesapeake, VAVA255,332+28%

290▼19Jefferson County, TXTX254,321+1%

291▼28Marin County, CACA253,694+3%

292▼6Yavapai County, AZAZ252,552+51%

293▼4Smith County, TXTX252,549+45%

294▼25St. Clair County, ILIL250,708−2%

295▲14Montgomery County, TNTN249,935+85%

296▲9Cabarrus County, NCNC249,725+91%

297▼9Brazos County, TXTX249,088+63%

298▲1Gaston County, NCNC246,558+30%

299▲7New Hanover County, NCNC245,959+53%

300▼19Arlington County, VAVA243,931+29%

301▲15Delaware County, OHOH242,032+120%

302▼1Tuscaloosa County, ALAL241,368+46%

303▼16Saratoga County, NYNY241,343+20%

304▲42Ellis County, TXTX240,867+116%

305▲6Clay County, FLFL239,593+70%

306▲2Shelby County, ALAL238,552+66%

307▼3Richmond, VAVA237,257+20%

308▼6Whatcom County, WAWA236,392+42%

309▼13Barnstable County, MAMA233,539+5%

310▼7Jefferson County, MOMO233,132+18%

311▼21Lake County, OHOH232,217+2%

312▼18Linn County, IAIA232,028+21%

313▼30Norfolk, VAVA231,013−1%

314▼4Doña Ana County, NMNM229,091+31%

315▲2Mohave County, AZAZ228,102+47%

316▲17Hall County, GAGA226,568+63%

317▼26Oneida County, NYNY226,392−4%

318▼21Montgomery County, ALAL225,891+1%

319▼21Mahoning County, OHOH224,706−13%

320▲11Yuma County, AZAZ224,449+40%

321▼8Yolo County, CACA224,410+33%

322▼38Caddo Parish, LALA224,226−11%

323▼4York County, MEME222,434+19%

324▼4Okaloosa County, FLFL221,810+30%

325▼18Jackson County, OROR221,795+22%

326▲1Benton County, WAWA221,722+56%

327▲16Hernando County, FLFL221,701+69%

328▲4Anderson County, SCSC219,930+33%

329▲39Johnson County, TXTX218,048+72%

330▲23Charlotte County, FLFL217,212+53%

331▼1Onslow County, NCNC217,175+44%

332▼9Harrison County, MSMS217,136+15%

333▼9Clermont County, OHOH216,977+22%

334▼19Lackawanna County, PAPA216,502+2%

335▲7Sumner County, TNTN215,538+65%

336▲30Washington County, UTUT213,670+136%

337▲1Deschutes County, OROR213,072+85%

338▲2Minnehaha County, SDSD212,691+43%

339▼39Hinds County, MSMS211,888−16%

340▲14Iredell County, NCNC211,798+73%

341▲10Santa Rosa County, FLFL211,115+79%

342▼20Washington County, PAPA210,802+4%

343▼8Hawaii County, HIHI210,043+41%

344▼15Champaign County, ILIL209,972+17%

345▲103Kaufman County, TXTX209,235+193%

346▼25Butte County, CACA209,211+3%

347▲62Comal County, TXTX209,166+168%

348▼30Niagara County, NYNY208,912−5%

349▼24Elkhart County, ININ208,774+14%

350▼38Calcasieu Parish, LALA208,466+14%

351▼2Sarpy County, NENE208,303+70%

352▼24Richmond County, GAGA206,559+3%

353▲20Bay County, FLFL204,479+38%

354▼2Beaufort County, SCSC204,433+69%

355▼29Muscogee County, GAGA202,171+9%

356▲2Cass County, NDND201,794+64%

357▲22Guadalupe County, TXTX201,111+126%

358▼22St. Louis County, MNMN200,5180%

359▼14Butler County, PAPA200,169+15%

360▼26Trumbull County, OHOH198,972−12%

361▼22Racine County, WIWI198,919+5%

362▼5DeSoto County, MSMS197,918+85%

363▼19Livingston County, MIMI197,315+26%

364▼16Outagamie County, WIWI195,894+22%

365▼28Broome County, NYNY195,736−2%

366▼4Kent County, DEDE194,786+54%

367▼26Sangamon County, ILIL194,170+3%

368▲6Hendricks County, ININ193,510+86%

369▼22El Dorado County, CACA192,323+23%

370▲12Kootenai County, IDID191,864+77%

371▼12Boone County, MOMO191,746+42%

372▲20Paulding County, GAGA190,996+134%

373▼18Tippecanoe County, ININ190,456+28%

374▲2Lee County, ALAL189,881+65%

375▲11Midland County, TXTX187,855+62%

376▼26Saginaw County, MIMI187,688−11%

377▲56Canadian County, OKOK187,189+113%

378▲3Alamance County, NCNC186,177+42%

379▼8Licking County, OHOH185,564+28%

380▼20Medina County, OHOH185,025+22%

381▲63Parker County, TXTX184,767+109%

382▼19Ulster County, NYNY183,330+3%

383▼27Newport News, VAVA183,230+2%

384▲1Pitt County, NCNC182,936+37%

385▼18Vanderburgh County, ININ181,995+6%

386▼25Shasta County, CACA181,648+11%

387▲4Aiken County, SCSC181,515+27%

388▼19Imperial County, CACA181,411+27%

389▲1Davidson County, NCNC180,182+22%

390▼20Shawnee County, KSKS178,607+5%

391▼27Peoria County, ILIL178,553−3%

392▲16Dorchester County, SCSC178,397+85%

393▲10Houston County, GAGA178,214+61%

394▼22Muskegon County, MIMI177,901+5%

395Lower Connecticut River Valley Planning Region, CTCT177,311–

396▼18Carroll County, MDMD176,677+17%

397▲1Charles County, MDMD176,593+46%

398▼21Porter County, ININ176,049+20%

399▼10Kenton County, KYKY175,779+16%

400▼25Scott County, IAIA175,259+10%

401▲44Wilson County, TNTN175,033+97%

402▲66Brunswick County, NCNC174,702+139%

403▼6Greene County, OHOH174,322+18%

404▲3Johnson County, ININ174,262+51%

405▼25Winnebago County, WIWI174,218+11%

406▼7Ector County, TXTX173,801+43%

407▼23Kent County, RIRI173,495+4%

408▲7Indian River County, FLFL172,799+53%

409▼8Yellowstone County, MTMT172,692+34%

410▼45Kanawha County, WVWV172,381−14%

411▲25Citrus County, FLFL171,666+45%

412▼29McLean County, ILIL171,419+14%

413▲12Stafford County, VAVA170,803+85%

414▼27Wyandotte County, KSKS170,597+8%

415▼4Catawba County, NCNC170,172+20%

416▲1Fairfield County, OHOH169,752+38%

417▼21Pueblo County, COCO169,277+20%

418▲9Columbia County, GAGA169,189+89%

419▼25Chittenden County, VTVT169,115+15%

420▼32Kenosha County, WIWI168,448+13%

421▲5Madera County, CACA167,927+36%

422▼29Monroe County, PAPA167,179+21%

423▼19Olmsted County, MNMN166,731+34%

424▼22Rock County, WIWI166,472+9%

425▼7Martin County, FLFL166,272+31%

426▼31Beaver County, PAPA166,032−8%

427▼8Stearns County, MNMN164,110+23%

428▼23Hampshire County, MAMA164,065+8%

429▼8Sullivan County, TNTN163,759+7%

430▼24Portage County, OHOH163,404+7%

431▼2Mesa County, COCO162,845+40%

432▼10Schenectady County, NYNY162,581+11%

433▼9Rankin County, MSMS162,181+41%

434▼18Alexandria, VAVA160,662+25%

435▼7Franklin County, PAPA160,652+24%

436▼36Maui County, HIHI160,592+25%

437▼27Rensselaer County, NYNY160,510+5%

438▼26St. Clair County, MIMI160,486−2%

439▲8Coweta County, GAGA160,240+80%

440▼2Johnson County, IAIA160,044+44%

441▲1Sandoval County, NMNM159,565+77%

442▼28Jackson County, MIMI159,552+1%

443▼2Scott County, MNMN159,017+78%

444▼31Ouachita Parish, LALA158,542+8%

445▼8Merrimack County, NHNH158,078+16%

446▼6Penobscot County, MEME157,967+9%

447▲43Sumter County, FLFL157,772+196%

448▼16Washington County, MDMD157,731+20%

449▲10Wright County, MNMN157,559+75%

450▼27Bibb County, GAGA157,556+2%

451▼31Centre County, PAPA157,393+16%

452▼17Cumberland County, NJNJ157,148+7%

453▼23Santa Fe County, NMNM156,907+21%

454▼23Monroe County, MIMI156,004+7%

455▲6Spotsylvania County, VAVA155,388+72%

456▼10Rowan County, NCNC155,096+19%

457▲1Livingston Parish, LALA155,036+69%

458▼19Kings County, CACA154,327+19%

459▼8Douglas County, GAGA154,293+67%

460▲12Grayson County, TXTX153,613+39%

461▼18Orange County, NCNC152,498+29%

462▼28Berrien County, MIMI152,444−6%

463▼3Randall County, TXTX152,351+46%

464▲12Harnett County, NCNC150,137+65%

465▼9Taylor County, TXTX150,077+19%

466▼13Randolph County, NCNC149,516+15%

467▲7Warren County, KYKY149,375+61%

468▼16Sussex County, NJNJ148,063+3%

469▼14Jackson County, MSMS147,666+12%

470▼16Lebanon County, PAPA146,380+22%

471▲11Kendall County, ILIL145,470+167%

472▼1Boone County, KYKY145,316+69%

473▼16Schuylkill County, PAPA145,085−3%

474▲5Cache County, UTUT145,000+59%

475▼26Coconino County, AZAZ144,368+24%

476▼3Blount County, TNTN143,820+36%

477▼15Monroe County, ININ143,345+19%

478▼28Rock Island County, ILIL141,869−5%

479▼1Tangipahoa Parish, LALA141,346+41%

480Washington County, TNTN141,199+32%

481▲79Rockwall County, TXTX140,738+227%

482▲52Flagler County, FLFL140,360+182%

483▲29Berkeley County, WVWV139,522+84%

484▼20Marathon County, WIWI139,432+11%

485▼18Washington County, WIWI139,238+19%

486▼3Pickens County, SCSC139,198+26%

487▼21Florence County, SCSC138,504+10%

488▼23Hampton, VAVA137,315−6%

489▲16Bonneville County, IDID135,771+65%

490▼20Clark County, OHOH135,340−6%

491▲10Ascension Parish, LALA135,105+76%

492▼5Madison County, ININ135,088+1%

493▼7Strafford County, NHNH135,043+20%

494▼13Wood County, OHOH134,176+11%

495▲12Faulkner County, ARAR133,979+56%

496▼21Calhoun County, MIMI133,408−3%

497▲12Saline County, ARAR133,288+60%

498▼7Skagit County, WAWA132,975+29%

499▼36Napa County, CACA132,949+7%

500▼2Linn County, OROR132,843+29%

SHOWING 1–500 OF 3,144

Download CSV (full list, 3,144 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES

Frequently asked

Which county has the highest total population?

Los Angeles County, California ranks #1 with 9,694,934 (2025 Census Population Estimates).

What are the top 5 counties by total population?

Los Angeles County, California, Cook County, Illinois, Harris County, Texas, Maricopa County, Arizona, San Diego 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 total population measured?

Total resident population. Source: US Census Bureau, Population Estimates Program (2025).