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.

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

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%

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

08Dallas County, TXTX2,661,397+20%

09Kings County, NYNY2,653,963+8%

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

11Clark County, NVNV2,407,226+75%

12Queens County, NYNY2,358,182+6%

13King County, WAWA2,344,939+35%

14Tarrant County, TXTX2,248,466+55%

15San 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%

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

21New York County, NYNY1,664,862+8%

22Alameda County, CACA1,636,630+13%

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

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

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

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

27Suffolk County, NYNY1,546,090+9%

28Orange County, FLFL1,528,002+70%

29Bronx County, NYNY1,406,332+6%

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

31Travis County, TXTX1,389,670+71%

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

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

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

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

36Wake County, NCNC1,257,235+100%

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

38Cuyahoga County, OHOH1,232,925−12%

39Allegheny County, PAPA1,225,035−4%

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

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

42Fairfax County, VAVA1,167,873+20%

43Fulton County, GAGA1,098,791+35%

44Pima County, AZAZ1,074,685+27%

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

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

47Duval County, FLFL1,062,963+36%

48Fresno County, CACA1,035,456+30%

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

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

51Capitol Planning Region, CTCT994,115–

52Marion County, ININ992,196+15%

53St. Louis County, MOMO990,911−2%

54Honolulu County, HIHI988,703+13%

55Bergen County, NJNJ977,026+11%

56Fort Bend County, TXTX975,191+175%

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

58Pinellas County, FLFL948,563+3%

59Erie County, NYNY946,741−0%

60Pierce County, WAWA946,288+35%

61DuPage County, ILIL934,298+3%

62Kern County, CACA927,068+40%

63Milwaukee County, WIWI924,216−2%

64Hidalgo County, TXTX921,549+62%

65Shelby County, TNTN910,226+1%

66Essex County, NJNJ896,379+13%

67Worcester County, MAMA888,502+18%

68Macomb County, MIMI886,221+12%

69Middlesex County, NJNJ883,335+18%

70El Paso County, TXTX877,858+29%

71Montgomery County, PAPA877,643+17%

72Lee County, FLFL875,607+99%

73Polk County, FLFL874,790+81%

74Snohomish County, WAWA870,656+44%

75Baltimore County, MDMD847,650+12%

76Hamilton County, OHOH838,418−1%

77Ventura County, CACA830,851+10%

78Essex County, MAMA826,653+14%

79San Francisco County, CACA826,079+6%

80San Joaquin County, CACA823,815+46%

81Oklahoma County, OKOK822,125+24%

82Multnomah County, OROR795,391+20%

83Jefferson County, KYKY795,222+15%

84Cobb County, GAGA793,345+31%

85Suffolk County, MAMA791,891+15%

86Montgomery County, TXTX781,194+166%

87DeKalb County, GAGA774,394+16%

88Utah County, UTUT759,859+106%

89El Paso County, COCO757,040+46%

90Williamson County, TXTX752,827+201%

91Monroe County, NYNY750,506+2%

92Davidson County, TNTN745,904+31%

93San Mateo County, CACA743,568+5%

94Denver County, COCO740,613+34%

95Norfolk County, MAMA739,749+14%

96Hudson County, NJNJ735,033+21%

97Jackson County, MOMO732,994+12%

98Lake County, ILIL719,339+12%

99Will County, ILIL712,253+42%

100Tulsa County, OKOK698,782+24%

101District of Columbia, DCDC693,645+21%

102Providence County, RIRI678,179+9%

103Kent County, MIMI675,232+18%

104Pasco County, FLFL674,516+96%

105Arapahoe County, COCO673,820+38%

106Ocean County, NJNJ673,746+32%

107Bernalillo County, NMNM667,601+20%

108Jefferson County, ALAL665,742+1%

109Brevard County, FLFL663,982+39%

110Monmouth County, NJNJ651,035+6%

111Bucks County, PAPA647,828+8%

112Western Connecticut Planning Region, CTCT640,482–

113Johnson County, KSKS636,906+41%

114Washington County, OROR611,708+37%

115Volusia County, FLFL606,573+37%

116Douglas County, NENE606,460+31%

117Anne Arundel County, MDMD603,380+23%

118Union County, NJNJ601,863+15%

119Bristol County, MAMA593,640+11%

120Dane County, WIWI590,375+38%

121New Castle County, DEDE588,026+18%

122Greenville County, SCSC583,125+54%

123Delaware County, PAPA580,937+5%

124Jefferson County, COCO580,451+10%

125South Central Connecticut Planning Region, CTCT578,741–

126Baltimore, MDMD569,997−12%

127Lancaster County, PAPA563,159+20%

128Guilford County, NCNC562,234+34%

129Spokane County, WAWA558,344+34%

130Stanislaus County, CACA557,719+25%

131Chester County, PAPA557,116+29%

132Adams County, COCO554,668+52%

133Plymouth County, MAMA546,829+16%

134Ada County, IDID546,141+82%

135Ramsey County, MNMN541,623+6%

136Montgomery County, OHOH539,598−3%

137Pinal County, AZAZ539,380+200%

138Sedgwick County, KSKS538,433+19%

139Summit County, OHOH538,376−1%

140Camden County, NJNJ535,799+5%

141Clark County, WAWA532,119+54%

142Passaic County, NJNJ531,624+9%

143Kane County, ILIL525,757+30%

144Morris County, NJNJ524,251+11%

145Polk County, IAIA516,546+38%

146Knox County, TNTN511,453+34%

147Washoe County, NVNV509,386+50%

148Lake County, ININ504,612+4%

149Prince William County, VAVA502,966+79%

150Richmond County, NYNY501,290+13%

151Seminole County, FLFL491,884+35%

152Sonoma County, CACA486,444+6%

153Tulare County, CACA485,146+32%

154Osceola County, FLFL481,718+179%

155Burlington County, NJNJ481,439+14%

156Sarasota County, FLFL479,958+47%

157York County, PAPA473,197+24%

158Manatee County, FLFL468,200+77%

159Onondaga County, NYNY466,584+2%

160Hampden County, MAMA464,338+2%

161Naugatuck Valley Planning Region, CTCT463,349–

162Dakota County, MNMN457,710+29%

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

164Lake County, FLFL456,068+117%

165Solano County, CACA455,376+15%

166Virginia Beach, VAVA453,737+7%

167Loudoun County, VAVA449,749+165%

168Marion County, FLFL442,660+71%

169Placer County, CACA442,081+78%

170Santa Barbara County, CACA442,065+11%

171Berks County, PAPA440,072+18%

172Charleston County, SCSC436,200+41%

173Richland County, SCSC434,956+36%

174Cameron County, TXTX433,946+29%

175Monterey County, CACA433,729+8%

176Madison County, ALAL433,516+57%

177Hillsborough County, NHNH433,415+14%

178Jefferson Parish, LALA431,398−5%

179Horry County, SCSC427,551+117%

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

181Clackamas County, OROR426,280+26%

182Lucas County, OHOH423,347−7%

183Brazoria County, TXTX419,080+73%

184Orange County, NYNY417,669+22%

185Waukesha County, WIWI417,210+16%

186Collier County, FLFL417,131+66%

187Mobile County, ALAL411,658+3%

188Pulaski County, ARAR404,611+12%

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

190Allen County, ININ402,329+21%

191Bell County, TXTX402,248+69%

192Forsyth County, NCNC401,718+31%

193Genesee County, MIMI401,093−8%

194Butler County, OHOH400,128+20%

195Douglas County, COCO399,396+127%

196Mercer County, NJNJ399,289+14%

197Chesterfield County, VAVA397,148+53%

198Hamilton County, TNTN390,833+27%

199Hamilton County, ININ387,036+112%

200Rutherford County, TNTN386,352+112%

201Lehigh County, PAPA384,383+23%

202Anoka County, MNMN381,605+28%

203Lane County, OROR381,584+18%

204Davis County, UTUT381,227+60%

205Spartanburg County, SCSC380,857+50%

206Weld County, COCO378,426+109%

207Larimer County, COCO377,292+50%

208Stark County, OHOH373,771−1%

209Galveston County, TXTX372,207+49%

210Washtenaw County, MIMI370,214+15%

211Orleans Parish, LALA362,154−25%

212Rockland County, NYNY357,397+25%

213Somerset County, NJNJ356,486+20%

214Marion County, OROR355,777+25%

215Nueces County, TXTX352,992+13%

216Westmoreland County, PAPA349,324−6%

217Durham County, NCNC347,240+55%

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

219Henrico County, VAVA342,775+31%

220Howard County, MDMD339,183+37%

221Cumberland County, NCNC338,473+12%

222Greater Bridgeport Planning Region, CTCT337,697–

223Lancaster County, NENE334,049+33%

224Escambia County, FLFL333,834+13%

225Benton County, ARAR332,554+117%

226Luzerne County, PAPA332,126+4%

227Fayette County, KYKY329,751+27%

228Lubbock County, TXTX328,906+36%

229Boulder County, COCO328,560+13%

230Northampton County, PAPA324,411+21%

231Rockingham County, NHNH324,077+17%

232Lorain County, OHOH323,219+14%

233Albany County, NYNY321,225+9%

234McHenry County, ILIL317,751+22%

235Lexington County, SCSC317,588+47%

236Cumberland County, MEME317,222+19%

237Gloucester County, NJNJ312,638+23%

238Chatham County, GAGA311,855+34%

239Greene County, MOMO309,286+29%

240Ottawa County, MIMI308,459+29%

241York County, SCSC306,887+86%

242Hays County, TXTX304,390+212%

243Thurston County, WAWA304,261+47%

244Cleveland County, OKOK303,973+46%

245Frederick County, MDMD302,883+55%

246Dutchess County, NYNY300,708+7%

247Cherokee County, GAGA299,273+111%

248Leon County, FLFL299,048+25%

249Clayton County, GAGA297,471+26%

250Merced County, CACA297,260+41%

251Dauphin County, PAPA293,351+17%

252Alachua County, FLFL290,028+33%

253Ingham County, MIMI289,709+4%

254Anchorage, AKAK287,155+10%

255Washington County, MNMN286,895+43%

256Southeastern Connecticut Planning Region, CTCT284,015–

257Winnebago County, ILIL283,674+2%

258Kitsap County, WAWA283,374+22%

259Forsyth County, GAGA282,805+187%

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

261Webb County, TXTX281,224+46%

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

263Atlantic County, NJNJ278,657+10%

264Weber County, UTUT278,174+42%

265St. Louis, MOMO278,144−20%

266Buncombe County, NCNC277,417+34%

267Cumberland County, PAPA277,270+30%

268Sussex County, DEDE277,140+77%

269Brown County, WIWI275,803+22%

270Canyon County, IDID275,123+109%

271Berkeley County, SCSC274,666+93%

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

273Williamson County, TNTN272,061+115%

274McLennan County, TXTX272,020+27%

275Washington County, ARAR271,213+72%

276Baldwin County, ALAL267,761+91%

277Union County, NCNC267,674+116%

278Harford County, MDMD266,446+22%

279Erie County, PAPA265,832−5%

280Clay County, MOMO265,032+44%

281Henry County, GAGA264,922+122%

282Kalamazoo County, MIMI263,795+11%

283Madison County, ILIL263,110+2%

284Yakima County, WAWA259,185+16%

285Santa Cruz County, CACA258,852+1%

286Lafayette Parish, LALA257,949+35%

287Warren County, OHOH257,181+62%

288Johnston County, NCNC256,448+110%

289Chesapeake, VAVA255,332+28%

290Jefferson County, TXTX254,321+1%

291Marin County, CACA253,694+3%

292Yavapai County, AZAZ252,552+51%

293Smith County, TXTX252,549+45%

294St. Clair County, ILIL250,708−2%

295Montgomery County, TNTN249,935+85%

296Cabarrus County, NCNC249,725+91%

297Brazos County, TXTX249,088+63%

298Gaston County, NCNC246,558+30%

299New Hanover County, NCNC245,959+53%

300Arlington County, VAVA243,931+29%

301Delaware County, OHOH242,032+120%

302Tuscaloosa County, ALAL241,368+46%

303Saratoga County, NYNY241,343+20%

304Ellis County, TXTX240,867+116%

305Clay County, FLFL239,593+70%

306Shelby County, ALAL238,552+66%

307Richmond, VAVA237,257+20%

308Whatcom County, WAWA236,392+42%

309Barnstable County, MAMA233,539+5%

310Jefferson County, MOMO233,132+18%

311Lake County, OHOH232,217+2%

312Linn County, IAIA232,028+21%

313Norfolk, VAVA231,013−1%

314Doña Ana County, NMNM229,091+31%

315Mohave County, AZAZ228,102+47%

316Hall County, GAGA226,568+63%

317Oneida County, NYNY226,392−4%

318Montgomery County, ALAL225,891+1%

319Mahoning County, OHOH224,706−13%

320Yuma County, AZAZ224,449+40%

321Yolo County, CACA224,410+33%

322Caddo Parish, LALA224,226−11%

323York County, MEME222,434+19%

324Okaloosa County, FLFL221,810+30%

325Jackson County, OROR221,795+22%

326Benton County, WAWA221,722+56%

327Hernando County, FLFL221,701+69%

328Anderson County, SCSC219,930+33%

329Johnson County, TXTX218,048+72%

330Charlotte County, FLFL217,212+53%

331Onslow County, NCNC217,175+44%

332Harrison County, MSMS217,136+15%

333Clermont County, OHOH216,977+22%

334Lackawanna County, PAPA216,502+2%

335Sumner County, TNTN215,538+65%

336Washington County, UTUT213,670+136%

337Deschutes County, OROR213,072+85%

338Minnehaha County, SDSD212,691+43%

339Hinds County, MSMS211,888−16%

340Iredell County, NCNC211,798+73%

341Santa Rosa County, FLFL211,115+79%

342Washington County, PAPA210,802+4%

343Hawaii County, HIHI210,043+41%

344Champaign County, ILIL209,972+17%

345Kaufman County, TXTX209,235+193%

346Butte County, CACA209,211+3%

347Comal County, TXTX209,166+168%

348Niagara County, NYNY208,912−5%

349Elkhart County, ININ208,774+14%

350Calcasieu Parish, LALA208,466+14%

351Sarpy County, NENE208,303+70%

352Richmond County, GAGA206,559+3%

353Bay County, FLFL204,479+38%

354Beaufort County, SCSC204,433+69%

355Muscogee County, GAGA202,171+9%

356Cass County, NDND201,794+64%

357Guadalupe County, TXTX201,111+126%

358St. Louis County, MNMN200,518−0%

359Butler County, PAPA200,169+15%

360Trumbull County, OHOH198,972−12%

361Racine County, WIWI198,919+5%

362DeSoto County, MSMS197,918+85%

363Livingston County, MIMI197,315+26%

364Outagamie County, WIWI195,894+22%

365Broome County, NYNY195,736−2%

366Kent County, DEDE194,786+54%

367Sangamon County, ILIL194,170+3%

368Hendricks County, ININ193,510+86%

369El Dorado County, CACA192,323+23%

370Kootenai County, IDID191,864+77%

371Boone County, MOMO191,746+42%

372Paulding County, GAGA190,996+134%

373Tippecanoe County, ININ190,456+28%

374Lee County, ALAL189,881+65%

375Midland County, TXTX187,855+62%

376Saginaw County, MIMI187,688−11%

377Canadian County, OKOK187,189+113%

378Alamance County, NCNC186,177+42%

379Licking County, OHOH185,564+28%

380Medina County, OHOH185,025+22%

381Parker County, TXTX184,767+109%

382Ulster County, NYNY183,330+3%

383Newport News, VAVA183,230+2%

384Pitt County, NCNC182,936+37%

385Vanderburgh County, ININ181,995+6%

386Shasta County, CACA181,648+11%

387Aiken County, SCSC181,515+27%

388Imperial County, CACA181,411+27%

389Davidson County, NCNC180,182+22%

390Shawnee County, KSKS178,607+5%

391Peoria County, ILIL178,553−3%

392Dorchester County, SCSC178,397+85%

393Houston County, GAGA178,214+61%

394Muskegon County, MIMI177,901+5%

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

396Carroll County, MDMD176,677+17%

397Charles County, MDMD176,593+46%

398Porter County, ININ176,049+20%

399Kenton County, KYKY175,779+16%

400Scott County, IAIA175,259+10%

401Wilson County, TNTN175,033+97%

402Brunswick County, NCNC174,702+139%

403Greene County, OHOH174,322+18%

404Johnson County, ININ174,262+51%

405Winnebago County, WIWI174,218+11%

406Ector County, TXTX173,801+43%

407Kent County, RIRI173,495+4%

408Indian River County, FLFL172,799+53%

409Yellowstone County, MTMT172,692+34%

410Kanawha County, WVWV172,381−14%

411Citrus County, FLFL171,666+45%

412McLean County, ILIL171,419+14%

413Stafford County, VAVA170,803+85%

414Wyandotte County, KSKS170,597+8%

415Catawba County, NCNC170,172+20%

416Fairfield County, OHOH169,752+38%

417Pueblo County, COCO169,277+20%

418Columbia County, GAGA169,189+89%

419Chittenden County, VTVT169,115+15%

420Kenosha County, WIWI168,448+13%

421Madera County, CACA167,927+36%

422Monroe County, PAPA167,179+21%

423Olmsted County, MNMN166,731+34%

424Rock County, WIWI166,472+9%

425Martin County, FLFL166,272+31%

426Beaver County, PAPA166,032−8%

427Stearns County, MNMN164,110+23%

428Hampshire County, MAMA164,065+8%

429Sullivan County, TNTN163,759+7%

430Portage County, OHOH163,404+7%

431Mesa County, COCO162,845+40%

432Schenectady County, NYNY162,581+11%

433Rankin County, MSMS162,181+41%

434Alexandria, VAVA160,662+25%

435Franklin County, PAPA160,652+24%

436Maui County, HIHI160,592+25%

437Rensselaer County, NYNY160,510+5%

438St. Clair County, MIMI160,486−2%

439Coweta County, GAGA160,240+80%

440Johnson County, IAIA160,044+44%

441Sandoval County, NMNM159,565+77%

442Jackson County, MIMI159,552+1%

443Scott County, MNMN159,017+78%

444Ouachita Parish, LALA158,542+8%

445Merrimack County, NHNH158,078+16%

446Penobscot County, MEME157,967+9%

447Sumter County, FLFL157,772+196%

448Washington County, MDMD157,731+20%

449Wright County, MNMN157,559+75%

450Bibb County, GAGA157,556+2%

451Centre County, PAPA157,393+16%

452Cumberland County, NJNJ157,148+7%

453Santa Fe County, NMNM156,907+21%

454Monroe County, MIMI156,004+7%

455Spotsylvania County, VAVA155,388+72%

456Rowan County, NCNC155,096+19%

457Livingston Parish, LALA155,036+69%

458Kings County, CACA154,327+19%

459Douglas County, GAGA154,293+67%

460Grayson County, TXTX153,613+39%

461Orange County, NCNC152,498+29%

462Berrien County, MIMI152,444−6%

463Randall County, TXTX152,351+46%

464Harnett County, NCNC150,137+65%

465Taylor County, TXTX150,077+19%

466Randolph County, NCNC149,516+15%

467Warren County, KYKY149,375+61%

468Sussex County, NJNJ148,063+3%

469Jackson County, MSMS147,666+12%

470Lebanon County, PAPA146,380+22%

471Kendall County, ILIL145,470+167%

472Boone County, KYKY145,316+69%

473Schuylkill County, PAPA145,085−3%

474Cache County, UTUT145,000+59%

475Coconino County, AZAZ144,368+24%

476Blount County, TNTN143,820+36%

477Monroe County, ININ143,345+19%

478Rock Island County, ILIL141,869−5%

479Tangipahoa Parish, LALA141,346+41%

480Washington County, TNTN141,199+32%

481Rockwall County, TXTX140,738+227%

482Flagler County, FLFL140,360+182%

483Berkeley County, WVWV139,522+84%

484Marathon County, WIWI139,432+11%

485Washington County, WIWI139,238+19%

486Pickens County, SCSC139,198+26%

487Florence County, SCSC138,504+10%

488Hampton, VAVA137,315−6%

489Bonneville County, IDID135,771+65%

490Clark County, OHOH135,340−6%

491Ascension Parish, LALA135,105+76%

492Madison County, ININ135,088+1%

493Strafford County, NHNH135,043+20%

494Wood County, OHOH134,176+11%

495Faulkner County, ARAR133,979+56%

496Calhoun County, MIMI133,408−3%

497Saline County, ARAR133,288+60%

498Skagit County, WAWA132,975+29%

499Napa County, CACA132,949+7%

500Linn County, OROR132,843+29%

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UPDATED 2026-07-15 · 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).