RANKING · 2020 CENSUS · 500 SHOWN OF 3,135

Largest by population, US counties · 2020

The most populous US counties as of the 2020 population estimates. Los Angeles County, California leads at 10,014,009. 3,135 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

USUnited States331,449,281–

01Los Angeles County, CACA10,014,009+5%

02Cook County, ILIL5,275,541−2%

03Harris County, TXTX4,731,145+39%

04Maricopa County, AZAZ4,420,568+44%

05San Diego County, CACA3,298,634+17%

06Orange County, CACA3,186,989+12%

07Kings County, NYNY2,736,074+11%

08Miami-Dade County, FLFL2,701,767+20%

09Dallas County, TXTX2,613,539+18%

10Riverside County, CACA2,418,185+56%

11Queens County, NYNY2,405,464+8%

12King County, WAWA2,269,675+31%

13Clark County, NVNV2,265,461+65%

14San Bernardino County, CACA2,181,654+28%

15Tarrant County, TXTX2,110,640+46%

16Bexar County, TXTX2,009,324+44%

17Broward County, FLFL1,944,375+20%

18Santa Clara County, CACA1,936,259+15%

19Wayne County, MIMI1,793,561−13%

20New York County, NYNY1,694,251+10%

21Alameda County, CACA1,682,353+17%

22Middlesex County, MAMA1,632,002+11%

23Philadelphia County, PAPA1,603,797+6%

24Sacramento County, CACA1,585,055+30%

25Suffolk County, NYNY1,525,920+8%

26Palm Beach County, FLFL1,492,191+32%

27Bronx County, NYNY1,472,654+11%

28Hillsborough County, FLFL1,459,762+46%

29Orange County, FLFL1,429,908+60%

30Nassau County, NYNY1,395,774+5%

31Franklin County, OHOH1,323,807+24%

32Travis County, TXTX1,290,188+59%

33Hennepin County, MNMN1,281,565+15%

34Oakland County, MIMI1,274,395+7%

35Cuyahoga County, OHOH1,264,817−9%

36Allegheny County, PAPA1,250,578−2%

37Salt Lake County, UTUT1,185,238+32%

38Contra Costa County, CACA1,165,927+23%

39Fairfax County, VAVA1,150,309+19%

40Wake County, NCNC1,129,410+80%

41Mecklenburg County, NCNC1,115,482+60%

42Fulton County, GAGA1,066,710+31%

43Collin County, TXTX1,064,465+116%

44Montgomery County, MDMD1,062,061+22%

45Pima County, AZAZ1,043,433+24%

46Honolulu County, HIHI1,016,508+16%

47Fresno County, CACA1,008,654+26%

48Westchester County, NYNY1,004,457+9%

49St. Louis County, MOMO1,004,125−1%

50Duval County, FLFL995,567+28%

51Marion County, ININ977,203+14%

52Prince George's County, MDMD967,201+21%

53Pinellas County, FLFL959,107+4%

54Gwinnett County, GAGA957,062+63%

55Bergen County, NJNJ955,732+8%

56Erie County, NYNY954,236+0%

57Milwaukee County, WIWI939,489−0%

58DuPage County, ILIL932,877+3%

59Shelby County, TNTN929,744+4%

60Pierce County, WAWA921,130+31%

61Kern County, CACA909,235+37%

62Denton County, TXTX906,422+109%

63Macomb County, MIMI881,217+12%

64San Francisco County, CACA873,965+13%

65Hidalgo County, TXTX870,781+53%

66El Paso County, TXTX865,657+27%

67Essex County, NJNJ863,728+9%

68Middlesex County, NJNJ863,162+15%

69Worcester County, MAMA862,111+15%

70Montgomery County, PAPA856,553+14%

71Baltimore County, MDMD854,535+13%

72Ventura County, CACA843,843+12%

73Hamilton County, OHOH830,639−2%

74Snohomish County, WAWA827,957+37%

75Fort Bend County, TXTX822,779+132%

76Multnomah County, OROR815,428+23%

77Essex County, MAMA809,829+12%

78Suffolk County, MAMA797,936+16%

79Oklahoma County, OKOK796,292+21%

80Jefferson County, KYKY782,969+13%

81San Joaquin County, CACA779,233+38%

82Cobb County, GAGA766,149+26%

83San Mateo County, CACA764,442+8%

84DeKalb County, GAGA764,382+15%

85Lee County, FLFL760,822+73%

86Monroe County, NYNY759,443+3%

87El Paso County, COCO730,395+41%

88Norfolk County, MAMA725,981+12%

89Polk County, FLFL725,046+50%

90Hudson County, NJNJ724,854+19%

91Jackson County, MOMO717,204+10%

92Davidson County, TNTN715,884+26%

93Denver County, COCO715,522+29%

94Lake County, ILIL714,342+11%

95Will County, ILIL696,355+39%

96District of Columbia, DCDC689,545+21%

97Bernalillo County, NMNM676,444+22%

98Jefferson County, ALAL674,721+2%

99Tulsa County, OKOK669,279+19%

100Providence County, RIRI660,741+6%

101Utah County, UTUT659,399+79%

102Kent County, MIMI657,974+15%

103Arapahoe County, COCO655,070+34%

104Bucks County, PAPA646,538+8%

105Monmouth County, NJNJ643,615+5%

106Ocean County, NJNJ637,229+25%

107Montgomery County, TXTX620,443+111%

108Johnson County, KSKS609,863+35%

109Williamson County, TXTX609,017+144%

110Brevard County, FLFL606,612+27%

111Washington County, OROR600,372+35%

112Anne Arundel County, MDMD588,261+20%

113Baltimore, MDMD585,708−10%

114Douglas County, NENE584,526+26%

115Jefferson County, COCO582,910+11%

116Bristol County, MAMA579,200+8%

117Delaware County, PAPA576,830+5%

118Union County, NJNJ575,345+10%

119New Castle County, DEDE570,719+14%

120Pasco County, FLFL561,891+63%

121Dane County, WIWI561,504+32%

122Volusia County, FLFL553,543+25%

123Lancaster County, PAPA552,984+17%

124Stanislaus County, CACA552,878+24%

125Ramsey County, MNMN552,352+8%

126Guilford County, NCNC541,299+29%

127Summit County, OHOH540,428−0%

128Spokane County, WAWA539,339+29%

129Montgomery County, OHOH537,309−4%

130Chester County, PAPA534,413+23%

131Plymouth County, MAMA530,819+12%

132Greenville County, SCSC525,534+38%

133Passaic County, NJNJ524,118+7%

134Sedgwick County, KSKS523,824+16%

135Camden County, NJNJ523,485+3%

136Adams County, COCO519,572+43%

137Kane County, ILIL516,522+28%

138Morris County, NJNJ509,285+8%

139Clark County, WAWA503,311+46%

140Lake County, ININ498,700+3%

141Richmond County, NYNY495,747+12%

142Ada County, IDID494,967+64%

143Polk County, IAIA492,401+31%

144Sonoma County, CACA488,863+7%

145Washoe County, NVNV486,492+43%

146Prince William County, VAVA482,204+72%

147Knox County, TNTN478,971+25%

148Onondaga County, NYNY476,516+4%

149Tulare County, CACA473,117+29%

150Seminole County, FLFL470,856+29%

151Hampden County, MAMA465,825+2%

152Burlington County, NJNJ461,860+9%

153Virginia Beach, VAVA459,470+8%

154East Baton Rouge Parish, LALA456,781+11%

155York County, PAPA456,438+20%

156Solano County, CACA453,491+15%

157Santa Barbara County, CACA448,229+12%

158Jefferson Parish, LALA440,781−3%

159Dakota County, MNMN439,882+24%

160Monterey County, CACA439,035+9%

161Sarasota County, FLFL434,006+33%

162Lucas County, OHOH431,279−5%

163Berks County, PAPA428,849+15%

164Pinal County, AZAZ425,264+137%

165Hillsborough County, NHNH422,937+11%

166Clackamas County, OROR421,401+25%

167Cameron County, TXTX421,017+26%

168Loudoun County, VAVA420,959+148%

169Richland County, SCSC416,147+30%

170Mobile County, ALAL414,809+4%

171Charleston County, SCSC408,235+32%

172Waukesha County, WIWI406,978+13%

173Genesee County, MIMI406,211−7%

174St. Charles County, MOMO405,262+43%

175Placer County, CACA404,739+63%

176Orange County, NYNY401,310+18%

177Manatee County, FLFL399,710+51%

178Pulaski County, ARAR399,125+10%

179Butler County, OHOH390,357+17%

180Osceola County, FLFL388,656+125%

181Madison County, ALAL388,153+40%

182Mercer County, NJNJ387,340+10%

183Allen County, ININ385,410+16%

184Orleans Parish, LALA383,997−21%

185Lake County, FLFL383,956+82%

186Lane County, OROR382,971+19%

187Forsyth County, NCNC382,590+25%

188Marion County, FLFL375,908+45%

189Collier County, FLFL375,752+49%

190Stark County, OHOH374,853−1%

191Lehigh County, PAPA374,557+20%

192Washtenaw County, MIMI372,258+15%

193Brazoria County, TXTX372,031+54%

194Bell County, TXTX370,647+56%

195Hamilton County, TNTN366,207+19%

196Chesterfield County, VAVA364,548+40%

197Anoka County, MNMN363,887+22%

198Davis County, UTUT362,679+52%

199Larimer County, COCO359,066+43%

200Douglas County, COCO357,978+104%

201Westmoreland County, PAPA354,663−4%

202Nueces County, TXTX353,178+13%

203Horry County, SCSC351,029+79%

204Galveston County, TXTX350,682+40%

205Hamilton County, ININ347,467+90%

206Marion County, OROR345,920+21%

207Somerset County, NJNJ345,361+16%

208Rutherford County, TNTN341,486+88%

209Rockland County, NYNY338,329+18%

210Cumberland County, NCNC334,728+10%

211Henrico County, VAVA334,389+27%

212Howard County, MDMD332,317+34%

213Boulder County, COCO330,758+14%

214St. Lucie County, FLFL329,226+71%

215Weld County, COCO328,981+82%

216Spartanburg County, SCSC327,997+29%

217Luzerne County, PAPA325,594+2%

218Durham County, NCNC324,833+45%

219Lancaster County, NENE322,608+29%

220Fayette County, KYKY322,570+24%

221Escambia County, FLFL321,905+9%

222Albany County, NYNY314,848+7%

223Rockingham County, NHNH314,176+13%

224Lorain County, OHOH312,964+10%

225Northampton County, PAPA312,951+17%

226Lubbock County, TXTX310,639+28%

227McHenry County, ILIL310,229+19%

228Cumberland County, MEME303,069+14%

229Gloucester County, NJNJ302,294+19%

230St. Louis, MOMO301,578−13%

231Greene County, MOMO298,915+24%

232Clayton County, GAGA297,595+26%

233Ottawa County, MIMI296,200+24%

234Dutchess County, NYNY295,911+6%

235Cleveland County, OKOK295,528+42%

236Chatham County, GAGA295,291+27%

237Thurston County, WAWA294,793+42%

238Lexington County, SCSC293,991+36%

239Leon County, FLFL292,198+22%

240Anchorage, AKAK291,247+12%

241Dauphin County, PAPA286,401+14%

242Winnebago County, ILIL285,350+2%

243Ingham County, MIMI284,900+2%

244Benton County, ARAR284,333+85%

245San Luis Obispo County, CACA282,424+14%

246York County, SCSC282,090+71%

247Merced County, CACA281,202+34%

248Alachua County, FLFL278,468+28%

249Kitsap County, WAWA275,611+19%

250Atlantic County, NJNJ274,534+9%

251St. Johns County, FLFL273,425+122%

252St. Joseph County, ININ272,912+3%

253Frederick County, MDMD271,717+39%

254Erie County, PAPA270,876−4%

255Santa Cruz County, CACA270,861+6%

256Buncombe County, NCNC269,452+31%

257Brown County, WIWI268,740+19%

258Washington County, MNMN267,568+33%

259Webb County, TXTX267,114+38%

260Cherokee County, GAGA266,620+88%

261Madison County, ILIL265,859+3%

262St. Tammany Parish, LALA264,570+38%

263Marin County, CACA262,321+6%

264Weber County, UTUT262,223+33%

265Kalamazoo County, MIMI261,670+10%

266Harford County, MDMD260,924+19%

267McLennan County, TXTX260,579+22%

268Cumberland County, PAPA259,469+21%

269St. Clair County, ILIL257,400+1%

270Yakima County, WAWA256,728+15%

271Jefferson County, TXTX256,526+2%

272Clay County, MOMO253,335+38%

273Forsyth County, GAGA251,283+155%

274Chesapeake, VAVA249,422+25%

275Williamson County, TNTN247,726+96%

276Washington County, ARAR245,871+56%

277Warren County, OHOH242,337+53%

278Lafayette Parish, LALA241,753+27%

279Hays County, TXTX241,067+147%

280Henry County, GAGA240,712+102%

281Arlington County, VAVA238,643+26%

282Union County, NCNC238,267+93%

283Norfolk, VAVA238,005+2%

284Caddo Parish, LALA237,848−6%

285Sussex County, DEDE237,378+52%

286Yavapai County, AZAZ236,209+41%

287Saratoga County, NYNY235,509+17%

288Brazos County, TXTX233,849+53%

289Smith County, TXTX233,479+34%

290Lake County, OHOH232,603+2%

291Oneida County, NYNY232,125−1%

292Baldwin County, ALAL231,767+65%

293Canyon County, IDID231,105+76%

294Linn County, IAIA230,299+20%

295Berkeley County, SCSC229,861+61%

296Barnstable County, MAMA228,996+3%

297Montgomery County, ALAL228,954+2%

298Mahoning County, OHOH228,614−11%

299Gaston County, NCNC227,943+20%

300Hinds County, MSMS227,742−9%

301Tuscaloosa County, ALAL227,036+38%

302Whatcom County, WAWA226,847+36%

303Jefferson County, MOMO226,739+14%

304Richmond, VAVA226,610+15%

305Cabarrus County, NCNC225,804+72%

306New Hanover County, NCNC225,702+41%

307Jackson County, OROR223,259+23%

308Shelby County, ALAL223,024+56%

309Montgomery County, TNTN220,069+63%

310Doña Ana County, NMNM219,561+26%

311Clay County, FLFL218,245+55%

312Calcasieu Parish, LALA216,785+18%

313Yolo County, CACA216,403+28%

314Johnston County, NCNC215,999+77%

315Lackawanna County, PAPA215,896+1%

316Delaware County, OHOH214,124+95%

317Mohave County, AZAZ213,267+38%

318Niagara County, NYNY212,666−3%

319York County, MEME211,972+14%

320Okaloosa County, FLFL211,668+24%

321Butte County, CACA211,632+4%

322Washington County, PAPA209,349+3%

323Harrison County, MSMS208,621+10%

324Clermont County, OHOH208,601+17%

325Elkhart County, ININ207,047+13%

326Muscogee County, GAGA206,922+11%

327Benton County, WAWA206,873+45%

328Richmond County, GAGA206,607+3%

329Champaign County, ILIL205,865+15%

330Onslow County, NCNC204,576+36%

331Yuma County, AZAZ203,881+27%

332Anderson County, SCSC203,718+23%

333Hall County, GAGA203,136+46%

334Trumbull County, OHOH201,977−10%

335Hawaii County, HIHI200,629+35%

336St. Louis County, MNMN200,231−0%

337Broome County, NYNY198,683−1%

338Deschutes County, OROR198,253+72%

339Racine County, WIWI197,727+5%

340Minnehaha County, SDSD197,214+33%

341Sangamon County, ILIL196,343+4%

342Sumner County, TNTN196,281+50%

343Hernando County, FLFL194,515+49%

344Livingston County, MIMI193,866+24%

345Butler County, PAPA193,763+11%

346Ellis County, TXTX192,455+73%

347El Dorado County, CACA191,185+22%

348Outagamie County, WIWI190,705+18%

349Sarpy County, NENE190,604+55%

350Saginaw County, MIMI190,124−9%

351Santa Rosa County, FLFL188,000+60%

352Beaufort County, SCSC187,117+55%

353Charlotte County, FLFL186,847+32%

354Iredell County, NCNC186,693+52%

355Tippecanoe County, ININ186,251+25%

356Newport News, VAVA186,247+3%

357DeSoto County, MSMS185,314+73%

358Cass County, NDND184,525+50%

359Boone County, MOMO183,610+36%

360Medina County, OHOH182,470+21%

361Shasta County, CACA182,155+12%

362Kent County, DEDE181,851+44%

363Ulster County, NYNY181,851+2%

364Peoria County, ILIL181,830−1%

365Kanawha County, WVWV180,745−10%

366Washington County, UTUT180,279+100%

367Vanderburgh County, ININ180,136+5%

368Johnson County, TXTX179,927+42%

369Imperial County, CACA179,702+26%

370Shawnee County, KSKS178,909+5%

371Licking County, OHOH178,519+23%

372Muskegon County, MIMI175,824+3%

373Bay County, FLFL175,216+18%

374Hendricks County, ININ174,788+68%

375Scott County, IAIA174,669+10%

376Lee County, ALAL174,241+51%

377Porter County, ININ173,215+18%

378Carroll County, MDMD172,891+15%

379Guadalupe County, TXTX172,706+94%

380Winnebago County, WIWI171,730+10%

381Alamance County, NCNC171,415+31%

382Kootenai County, IDID171,362+58%

383McLean County, ILIL170,954+14%

384Kent County, RIRI170,363+2%

385Pitt County, NCNC170,243+27%

386Midland County, TXTX169,983+47%

387Wyandotte County, KSKS169,245+7%

388Kenosha County, WIWI169,151+13%

389Kenton County, KYKY169,064+12%

390Davidson County, NCNC168,930+15%

391Aiken County, SCSC168,808+18%

392Paulding County, GAGA168,661+106%

393Monroe County, PAPA168,327+21%

394Chittenden County, VTVT168,323+15%

395Beaver County, PAPA168,215−7%

396Pueblo County, COCO168,162+19%

397Greene County, OHOH167,966+14%

398Charles County, MDMD166,617+38%

399Ector County, TXTX165,171+36%

400Maui County, HIHI164,754+29%

401Yellowstone County, MTMT164,731+27%

402Rock County, WIWI163,687+7%

403Houston County, GAGA163,633+48%

404Olmsted County, MNMN162,847+31%

405Hampshire County, MAMA162,308+7%

406Portage County, OHOH161,791+6%

407Johnson County, ININ161,765+40%

408Dorchester County, SCSC161,540+68%

409Comal County, TXTX161,501+107%

410Rensselaer County, NYNY161,130+6%

411Catawba County, NCNC160,610+13%

412St. Clair County, MIMI160,383−2%

413Ouachita Parish, LALA160,368+9%

414Jackson County, MIMI160,366+1%

415Indian River County, FLFL159,788+41%

416Alexandria, VAVA159,467+24%

417Fairfield County, OHOH158,921+29%

418Martin County, FLFL158,431+25%

419Stearns County, MNMN158,292+19%

420Centre County, PAPA158,172+17%

421Sullivan County, TNTN158,163+3%

422Schenectady County, NYNY158,061+8%

423Bibb County, GAGA157,346+2%

424Rankin County, MSMS157,031+36%

425Stafford County, VAVA156,927+70%

426Madera County, CACA156,255+27%

427Columbia County, GAGA156,010+75%

428Franklin County, PAPA155,932+21%

429Mesa County, COCO155,703+34%

430Santa Fe County, NMNM154,823+20%

431Monroe County, MIMI154,809+6%

432Washington County, MDMD154,705+17%

433Canadian County, OKOK154,405+76%

434Berrien County, MIMI154,316−5%

435Cumberland County, NJNJ154,152+5%

436Citrus County, FLFL153,843+30%

437Merrimack County, NHNH153,808+13%

438Johnson County, IAIA152,854+38%

439Kings County, CACA152,486+18%

440Penobscot County, MEME152,199+5%

441Scott County, MNMN150,928+69%

442Sandoval County, NMNM148,834+66%

443Orange County, NCNC148,696+26%

444Parker County, TXTX148,222+67%

445Wilson County, TNTN147,737+66%

446Rowan County, NCNC146,875+13%

447Coweta County, GAGA146,158+64%

448Kaufman County, TXTX145,310+104%

449Coconino County, AZAZ145,101+25%

450Rock Island County, ILIL144,672−3%

451Douglas County, GAGA144,237+56%

452Sussex County, NJNJ144,221+0%

453Randolph County, NCNC144,171+11%

454Lebanon County, PAPA143,257+19%

455Jackson County, MSMS143,252+9%

456Taylor County, TXTX143,208+13%

457Schuylkill County, PAPA143,049−5%

458Livingston Parish, LALA142,282+55%

459Wright County, MNMN141,337+57%

460Randall County, TXTX140,753+35%

461Spotsylvania County, VAVA140,032+55%

462Monroe County, ININ139,718+16%

463Napa County, CACA138,019+11%

464Marathon County, WIWI138,013+10%

465Hampton, VAVA137,148−6%

466Florence County, SCSC137,059+9%

467Washington County, WIWI136,761+16%

468Brunswick County, NCNC136,693+87%

469Humboldt County, CACA136,463+8%

470Clark County, OHOH136,001−6%

471Boone County, KYKY135,968+58%

472Grayson County, TXTX135,543+23%

473Blount County, TNTN135,280+28%

474Warren County, KYKY134,554+45%

475Calhoun County, MIMI134,310−3%

476Harnett County, NCNC133,568+47%

477Cambria County, PAPA133,472−13%

478Tangipahoa Parish, LALA133,157+32%

479Cache County, UTUT133,154+46%

480Washington County, TNTN133,001+24%

481Wood County, OHOH132,248+9%

482Kendall County, ILIL131,869+142%

483Pickens County, SCSC131,404+19%

484Tazewell County, ILIL131,343+2%

485Black Hawk County, IAIA131,144+2%

486Strafford County, NHNH130,889+17%

487Madison County, ININ130,129−2%

488Rapides Parish, LALA130,023+3%

489Washington County, RIRI129,839+5%

490Sumter County, FLFL129,752+143%

491Skagit County, WAWA129,523+26%

492Wichita County, TXTX129,350−2%

493Berkshire County, MAMA129,026−4%

494Hunterdon County, NJNJ128,947+6%

495Fayette County, PAPA128,804−13%

496Bossier Parish, LALA128,746+31%

497Clarke County, GAGA128,671+27%

498Linn County, OROR128,610+25%

499Sebastian County, ARAR127,799+11%

500Chautauqua County, NYNY127,657−9%

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS

Frequently asked

Which county has the highest total population?

Los Angeles County, California ranks #1 with 10,014,009 (2020 Decennial Census).

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?

3,135 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.

How is total population measured?

Total resident population. Source: US Census Bureau, 2020 Decennial Census.