RANKING · 2010 CENSUS · 500 SHOWN OF 3,131

Largest by population, US counties · 2010

The most populous US counties as of the 2010 population estimates. Los Angeles County, California leads at 9,818,605. 3,131 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 States308,745,538–

01Los Angeles County, CACA9,818,605+3%

02Cook County, ILIL5,194,675−3%

03Harris County, TXTX4,092,459+20%

04Maricopa County, AZAZ3,817,117+24%

05San Diego County, CACA3,095,313+10%

06Orange County, CACA3,010,232+6%

07Kings County, NYNY2,504,700+2%

08Miami-Dade County, FLFL2,496,435+11%

09Dallas County, TXTX2,368,139+7%

10Queens County, NYNY2,230,722+0%

11Riverside County, CACA2,189,641+42%

12San Bernardino County, CACA2,035,210+19%

13Clark County, NVNV1,951,269+42%

14King County, WAWA1,931,249+11%

15Wayne County, MIMI1,820,584−12%

16Tarrant County, TXTX1,809,034+25%

17Santa Clara County, CACA1,781,642+6%

18Broward County, FLFL1,748,066+8%

19Bexar County, TXTX1,714,773+23%

20New York County, NYNY1,585,873+3%

21Philadelphia County, PAPA1,526,006+1%

22Alameda County, CACA1,510,271+5%

23Middlesex County, MAMA1,503,085+3%

24Suffolk County, NYNY1,493,350+5%

25Sacramento County, CACA1,418,788+16%

26Bronx County, NYNY1,385,108+4%

27Nassau County, NYNY1,339,532+0%

28Palm Beach County, FLFL1,320,134+17%

29Cuyahoga County, OHOH1,280,122−8%

30Hillsborough County, FLFL1,229,226+23%

31Allegheny County, PAPA1,223,348−5%

32Oakland County, MIMI1,202,362+1%

33Franklin County, OHOH1,163,414+9%

34Hennepin County, MNMN1,152,425+3%

35Orange County, FLFL1,145,956+28%

36Fairfax County, VAVA1,081,726+12%

37Contra Costa County, CACA1,049,025+11%

38Salt Lake County, UTUT1,029,655+15%

39Travis County, TXTX1,024,266+26%

40St. Louis County, MOMO998,954−2%

41Pima County, AZAZ980,263+16%

42Montgomery County, MDMD971,777+11%

43Honolulu County, HIHI953,207+9%

44Westchester County, NYNY949,113+3%

45Milwaukee County, WIWI947,735+1%

46Fresno County, CACA930,450+16%

47Shelby County, TNTN927,644+3%

48Fulton County, GAGA920,581+13%

49Mecklenburg County, NCNC919,628+32%

50Erie County, NYNY919,040−3%

51DuPage County, ILIL916,924+1%

52Pinellas County, FLFL916,542−1%

53Bergen County, NJNJ905,116+2%

54Marion County, ININ903,393+5%

55Wake County, NCNC900,993+44%

56Duval County, FLFL864,263+11%

57Prince George's County, MDMD863,420+8%

58Macomb County, MIMI840,978+7%

59Kern County, CACA839,631+27%

60Ventura County, CACA823,318+9%

61Middlesex County, NJNJ809,858+8%

62Gwinnett County, GAGA805,321+37%

63San Francisco County, CACA805,235+4%

64Baltimore County, MDMD805,029+7%

65Hamilton County, OHOH802,374−5%

66El Paso County, TXTX800,647+18%

67Montgomery County, PAPA799,874+7%

68Worcester County, MAMA798,552+6%

69Pierce County, WAWA795,225+13%

70Essex County, NJNJ783,969−1%

71Collin County, TXTX782,341+59%

72Hidalgo County, TXTX774,769+36%

73Monroe County, NYNY744,344+1%

74Essex County, MAMA743,159+3%

75Jefferson County, KYKY741,096+7%

76Multnomah County, OROR735,334+11%

77Suffolk County, MAMA722,023+5%

78Oklahoma County, OKOK718,633+9%

79San Mateo County, CACA718,451+2%

80Snohomish County, WAWA713,335+18%

81Lake County, ILIL703,462+9%

82DeKalb County, GAGA691,893+4%

83Cobb County, GAGA688,078+13%

84San Joaquin County, CACA685,306+22%

85Will County, ILIL677,560+35%

86Jackson County, MOMO674,158+3%

87Norfolk County, MAMA670,850+3%

88Denton County, TXTX662,614+53%

89Bernalillo County, NMNM662,564+19%

90Jefferson County, ALAL658,466−1%

91Hudson County, NJNJ634,266+4%

92Monmouth County, NJNJ630,380+2%

93Davidson County, TNTN626,681+10%

94Providence County, RIRI626,667+1%

95Bucks County, PAPA625,249+5%

96El Paso County, COCO622,263+20%

97Baltimore, MDMD620,961−5%

98Lee County, FLFL618,754+40%

99Tulsa County, OKOK603,403+7%

100Kent County, MIMI602,622+5%

101Polk County, FLFL602,095+24%

102District of Columbia, DCDC601,723+5%

103Denver County, COCO600,158+8%

104Fort Bend County, TXTX585,375+65%

105Ocean County, NJNJ576,567+13%

106Arapahoe County, COCO572,003+17%

107Delaware County, PAPA558,979+1%

108Bristol County, MAMA548,285+3%

109Johnson County, KSKS544,179+21%

110Brevard County, FLFL543,376+14%

111Summit County, OHOH541,781−0%

112New Castle County, DEDE538,479+8%

113Anne Arundel County, MDMD537,656+10%

114Union County, NJNJ536,499+3%

115Montgomery County, OHOH535,153−4%

116Jefferson County, COCO534,543+1%

117Washington County, OROR529,710+19%

118Lancaster County, PAPA519,445+10%

119Douglas County, NENE517,110+12%

120Utah County, UTUT516,564+40%

121Kane County, ILIL515,269+28%

122Stanislaus County, CACA514,453+15%

123Camden County, NJNJ513,657+1%

124Ramsey County, MNMN508,640−0%

125Passaic County, NJNJ501,226+2%

126Chester County, PAPA498,886+15%

127Sedgwick County, KSKS498,365+10%

128Lake County, ININ496,005+2%

129Plymouth County, MAMA494,919+5%

130Volusia County, FLFL494,593+12%

131Morris County, NJNJ492,276+5%

132Guilford County, NCNC488,406+16%

133Dane County, WIWI488,073+14%

134Sonoma County, CACA483,878+6%

135Spokane County, WAWA471,221+13%

136Richmond County, NYNY468,730+6%

137Onondaga County, NYNY467,026+2%

138Pasco County, FLFL464,697+35%

139Hampden County, MAMA463,490+2%

140Montgomery County, TXTX455,746+55%

141Greenville County, SCSC451,225+19%

142Burlington County, NJNJ448,734+6%

143Tulare County, CACA442,179+20%

144Lucas County, OHOH441,815−3%

145Adams County, COCO441,603+21%

146East Baton Rouge Parish, LALA440,171+7%

147Virginia Beach, VAVA437,994+3%

148York County, PAPA434,972+14%

149Jefferson Parish, LALA432,552−5%

150Knox County, TNTN432,226+13%

151Polk County, IAIA430,640+15%

152Genesee County, MIMI425,790−2%

153Clark County, WAWA425,363+23%

154Santa Barbara County, CACA423,895+6%

155Seminole County, FLFL422,718+16%

156Williamson County, TXTX422,679+69%

157Washoe County, NVNV421,407+24%

158Monterey County, CACA415,057+3%

159Solano County, CACA413,344+5%

160Mobile County, ALAL412,992+3%

161Berks County, PAPA411,442+10%

162Cameron County, TXTX406,220+21%

163Prince William County, VAVA402,002+43%

164Hillsborough County, NHNH400,721+5%

165Dakota County, MNMN398,552+12%

166Ada County, IDID392,365+30%

167Waukesha County, WIWI389,891+8%

168Richland County, SCSC384,504+20%

169Pulaski County, ARAR382,748+6%

170Sarasota County, FLFL379,448+16%

171Clackamas County, OROR375,992+11%

172Pinal County, AZAZ375,770+109%

173Stark County, OHOH375,586−1%

174Orange County, NYNY372,813+9%

175Butler County, OHOH368,130+11%

176Mercer County, NJNJ366,513+4%

177Westmoreland County, PAPA365,169−1%

178St. Charles County, MOMO360,485+27%

179Allen County, ININ355,329+7%

180Lane County, OROR351,715+9%

181Forsyth County, NCNC350,670+15%

182Charleston County, SCSC350,209+13%

183Lehigh County, PAPA349,497+12%

184Placer County, CACA348,432+40%

185Washtenaw County, MIMI344,791+7%

186Orleans Parish, LALA343,829−29%

187Nueces County, TXTX340,223+8%

188Hamilton County, TNTN336,463+9%

189Madison County, ALAL334,811+21%

190Marion County, FLFL331,298+28%

191Anoka County, MNMN330,844+11%

192Somerset County, NJNJ323,444+9%

193Manatee County, FLFL322,833+22%

194Collier County, FLFL321,520+28%

195Luzerne County, PAPA320,918+1%

196Cumberland County, NCNC319,431+5%

197St. Louis, MOMO319,294−8%

198Chesterfield County, VAVA316,236+22%

199Marion County, OROR315,335+11%

200Brazoria County, TXTX313,166+30%

201Loudoun County, VAVA312,311+84%

202Rockland County, NYNY311,687+9%

203Bell County, TXTX310,235+30%

204McHenry County, ILIL308,760+19%

205Henrico County, VAVA306,935+17%

206Davis County, UTUT306,479+28%

207Albany County, NYNY304,204+3%

208Lorain County, OHOH301,356+6%

209Larimer County, COCO299,630+19%

210Northampton County, PAPA297,735+11%

211Escambia County, FLFL297,619+1%

212Dutchess County, NYNY297,488+6%

213Lake County, FLFL297,052+41%

214Fayette County, KYKY295,803+14%

215Winnebago County, ILIL295,266+6%

216Rockingham County, NHNH295,223+6%

217Boulder County, COCO294,567+1%

218Anchorage, AKAK291,826+12%

219Galveston County, TXTX291,309+16%

220Gloucester County, NJNJ288,288+13%

221Howard County, MDMD287,085+16%

222Douglas County, COCO285,465+62%

223Lancaster County, NENE285,407+14%

224Spartanburg County, SCSC284,307+12%

225Cumberland County, MEME281,674+6%

226Ingham County, MIMI280,895+1%

227Erie County, PAPA280,566−0%

228Lubbock County, TXTX278,831+15%

229St. Lucie County, FLFL277,789+44%

230Leon County, FLFL275,487+15%

231Greene County, MOMO275,174+14%

232Hamilton County, ININ274,569+50%

233Atlantic County, NJNJ274,549+9%

234St. Clair County, ILIL270,056+5%

235San Luis Obispo County, CACA269,637+9%

236Horry County, SCSC269,291+37%

237Madison County, ILIL269,282+4%

238Osceola County, FLFL268,685+56%

239Dauphin County, PAPA268,100+6%

240Durham County, NCNC267,587+20%

241St. Joseph County, ININ266,931+1%

242Chatham County, GAGA265,128+14%

243Ottawa County, MIMI263,801+11%

244Rutherford County, TNTN262,604+44%

245Lexington County, SCSC262,391+21%

246Santa Cruz County, CACA262,382+3%

247Clayton County, GAGA259,424+10%

248Merced County, CACA255,793+21%

249Cleveland County, OKOK255,755+23%

250Caddo Parish, LALA254,969+1%

251Weld County, COCO252,825+40%

252Marin County, CACA252,409+2%

253Jefferson County, TXTX252,273+0%

254Thurston County, WAWA252,264+22%

255Kitsap County, WAWA251,133+8%

256Kalamazoo County, MIMI250,331+5%

257Webb County, TXTX250,304+30%

258Brown County, WIWI248,007+9%

259Alachua County, FLFL247,336+13%

260Hinds County, MSMS245,285−2%

261Harford County, MDMD244,826+12%

262Yakima County, WAWA243,231+9%

263Norfolk, VAVA242,803+4%

264Mahoning County, OHOH238,823−7%

265Buncombe County, NCNC238,318+16%

266Washington County, MNMN238,136+18%

267Cumberland County, PAPA235,406+10%

268McLennan County, TXTX234,906+10%

269Oneida County, NYNY234,878−0%

270St. Tammany Parish, LALA233,740+22%

271Frederick County, MDMD233,385+20%

272Weber County, UTUT231,236+18%

273Lake County, OHOH230,041+1%

274Montgomery County, ALAL229,363+3%

275York County, SCSC226,073+37%

276Chesapeake, VAVA222,209+12%

277Clay County, MOMO221,939+21%

278Lafayette Parish, LALA221,578+16%

279Benton County, ARAR221,339+44%

280Butte County, CACA220,000+8%

281Saratoga County, NYNY219,607+9%

282Jefferson County, MOMO218,733+10%

283Niagara County, NYNY216,469−2%

284Barnstable County, MAMA215,888−3%

285Lackawanna County, PAPA214,437+1%

286Cherokee County, GAGA214,346+51%

287Warren County, OHOH212,693+34%

288Linn County, IAIA211,226+10%

289Yavapai County, AZAZ211,033+26%

290Trumbull County, OHOH210,312−7%

291Smith County, TXTX209,714+20%

292Doña Ana County, NMNM209,233+20%

293Washington County, PAPA207,820+2%

294Arlington County, VAVA207,627+10%

295Gaston County, NCNC206,086+8%

296Richmond, VAVA204,214+3%

297Henry County, GAGA203,922+71%

298Jackson County, OROR203,206+12%

299Washington County, ARAR203,065+29%

300New Hanover County, NCNC202,667+26%

301Union County, NCNC201,292+63%

302Whatcom County, WAWA201,140+21%

303Champaign County, ILIL201,081+12%

304Yolo County, CACA200,849+19%

305Broome County, NYNY200,600+0%

306Richmond County, GAGA200,549+0%

307St. Louis County, MNMN200,226−0%

308Mohave County, AZAZ200,186+29%

309Saginaw County, MIMI200,169−5%

310Elkhart County, ININ197,559+8%

311Sangamon County, ILIL197,465+5%

312Clermont County, OHOH197,363+11%

313Sussex County, DEDE197,145+26%

314York County, MEME197,131+6%

315Yuma County, AZAZ195,751+22%

316Racine County, WIWI195,408+3%

317Shelby County, ALAL195,085+36%

318Brazos County, TXTX194,851+28%

319Tuscaloosa County, ALAL194,656+18%

320Kanawha County, WVWV193,063−4%

321Calcasieu Parish, LALA192,768+5%

322Clay County, FLFL190,865+36%

323St. Johns County, FLFL190,039+54%

324Muscogee County, GAGA189,885+2%

325Canyon County, IDID188,923+44%

326Anderson County, SCSC187,126+13%

327Harrison County, MSMS187,105−1%

328Peoria County, ILIL186,494+2%

329Hawaii County, HIHI185,079+24%

330Butler County, PAPA183,862+6%

331Williamson County, TNTN183,182+45%

332Ulster County, NYNY182,493+3%

333Baldwin County, ALAL182,265+30%

334El Dorado County, CACA181,058+16%

335Livingston County, MIMI180,967+15%

336Okaloosa County, FLFL180,822+6%

337Newport News, VAVA180,719+0%

338Vanderburgh County, ININ179,703+5%

339Hall County, GAGA179,684+29%

340Cabarrus County, NCNC178,011+36%

341Shawnee County, KSKS177,934+5%

342Berkeley County, SCSC177,843+25%

343Onslow County, NCNC177,772+18%

344Shasta County, CACA177,223+9%

345Outagamie County, WIWI176,695+10%

346Forsyth County, GAGA175,511+78%

347Benton County, WAWA175,177+23%

348Imperial County, CACA174,528+23%

349Delaware County, OHOH174,214+58%

350Tippecanoe County, ININ172,780+16%

351Hernando County, FLFL172,778+32%

352Medina County, OHOH172,332+14%

353Montgomery County, TNTN172,331+28%

354Muskegon County, MIMI172,188+1%

355Beaver County, PAPA170,539−6%

356Monroe County, PAPA169,842+22%

357McLean County, ILIL169,572+13%

358Minnehaha County, SDSD169,468+14%

359Johnston County, NCNC168,878+38%

360Bay County, FLFL168,852+14%

361Pitt County, NCNC168,148+26%

362Carroll County, MDMD167,134+11%

363Winnebago County, WIWI166,994+7%

364Licking County, OHOH166,492+14%

365Kenosha County, WIWI166,426+11%

366Kent County, RIRI166,158−1%

367Scott County, IAIA165,224+4%

368Porter County, ININ164,343+12%

369St. Clair County, MIMI163,040−1%

370Davidson County, NCNC162,878+11%

371Boone County, MOMO162,642+20%

372Kent County, DEDE162,310+28%

373Beaufort County, SCSC162,233+34%

374Greene County, OHOH161,573+9%

375Portage County, OHOH161,419+6%

376DeSoto County, MSMS161,252+50%

377Sumner County, TNTN160,645+23%

378Rock County, WIWI160,331+5%

379Jackson County, MIMI160,248+1%

380Aiken County, SCSC160,099+12%

381Charlotte County, FLFL159,978+13%

382Kenton County, KYKY159,720+5%

383Iredell County, NCNC159,437+30%

384Rensselaer County, NYNY159,429+5%

385Pueblo County, COCO159,063+12%

386Sarpy County, NENE158,840+30%

387Hampshire County, MAMA158,080+4%

388Deschutes County, OROR157,733+37%

389Wyandotte County, KSKS157,505−0%

390Hays County, TXTX157,107+61%

391Cumberland County, NJNJ156,898+7%

392Sullivan County, TNTN156,823+2%

393Berrien County, MIMI156,813−3%

394Chittenden County, VTVT156,545+7%

395Bibb County, GAGA155,547+1%

396Maui County, HIHI154,834+21%

397Schenectady County, NYNY154,727+6%

398Catawba County, NCNC154,358+9%

399Centre County, PAPA153,990+13%

400Penobscot County, MEME153,923+6%

401Ouachita Parish, LALA153,720+4%

402Kings County, CACA152,982+18%

403Monroe County, MIMI152,021+4%

404Santa Rosa County, FLFL151,372+29%

405Alamance County, NCNC151,131+16%

406Johnson County, TXTX150,934+19%

407Madera County, CACA150,865+23%

408Stearns County, MNMN150,642+13%

409Cass County, NDND149,778+22%

410Franklin County, PAPA149,618+16%

411Ellis County, TXTX149,610+34%

412Sussex County, NJNJ149,265+4%

413Schuylkill County, PAPA148,289−1%

414Yellowstone County, MTMT147,972+14%

415Rock Island County, ILIL147,546−1%

416Washington County, MDMD147,430+12%

417Mesa County, COCO146,723+26%

418Charles County, MDMD146,551+22%

419Merrimack County, NHNH146,445+8%

420Martin County, FLFL146,318+15%

421Fairfield County, OHOH146,156+19%

422Hendricks County, ININ145,448+40%

423Olmsted County, MNMN144,248+16%

424Santa Fe County, NMNM144,170+12%

425Cambria County, PAPA143,679−6%

426Paulding County, GAGA142,324+74%

427Randolph County, NCNC141,752+9%

428Rankin County, MSMS141,617+23%

429Citrus County, FLFL141,236+20%

430Lee County, ALAL140,247+22%

431Alexandria, VAVA139,966+9%

432Houston County, GAGA139,900+26%

433Jackson County, MSMS139,668+6%

434Johnson County, ININ139,654+21%

435Kootenai County, IDID138,494+27%

436Rowan County, NCNC138,428+6%

437Clark County, OHOH138,333−4%

438Washington County, UTUT138,115+53%

439Indian River County, FLFL138,028+22%

440Monroe County, ININ137,974+14%

441Hampton, VAVA137,436−6%

442Ector County, TXTX137,130+13%

443Florence County, SCSC136,885+9%

444Midland County, TXTX136,872+18%

445Fayette County, PAPA136,606−8%

446Dorchester County, SCSC136,555+42%

447Napa County, CACA136,484+10%

448Calhoun County, MIMI136,146−1%

449Tazewell County, ILIL135,394+5%

450Chautauqua County, NYNY134,905−3%

451Humboldt County, CACA134,623+6%

452Coconino County, AZAZ134,421+16%

453Robeson County, NCNC134,168+9%

454Marathon County, WIWI134,063+7%

455Orange County, NCNC133,801+13%

456Lebanon County, PAPA133,568+11%

457Douglas County, GAGA132,403+44%

458Washington County, WIWI131,887+12%

459Madison County, ININ131,636−1%

460Rapides Parish, LALA131,613+4%

461Sandoval County, NMNM131,561+46%

462Guadalupe County, TXTX131,533+48%

463Taylor County, TXTX131,506+4%

464Wichita County, TXTX131,500−0%

465Cochise County, AZAZ131,346+12%

466Berkshire County, MAMA131,219−3%

467Black Hawk County, IAIA131,090+2%

468Johnson County, IAIA130,882+18%

469San Juan County, NMNM130,044+14%

470Scott County, MNMN129,928+45%

471Stafford County, VAVA128,961+39%

472Hunterdon County, NJNJ128,349+5%

473Livingston Parish, LALA128,026+39%

474Coweta County, GAGA127,317+43%

475Blair County, PAPA127,089−2%

476Washington County, RIRI126,979+3%

477Sebastian County, ARAR125,744+9%

478Wood County, OHOH125,488+4%

479Wright County, MNMN124,700+39%

480Richland County, OHOH124,475−3%

481Comanche County, OKOK124,098+8%

482Columbia County, GAGA124,053+39%

483Strafford County, NHNH123,143+10%

484Blount County, TNTN123,010+16%

485Washington County, TNTN122,979+15%

486Wayne County, NCNC122,623+8%

487Spotsylvania County, VAVA122,397+35%

488Kennebec County, MEME122,151+4%

489Oswego County, NYNY122,109−0%

490Gregg County, TXTX121,730+9%

491Tangipahoa Parish, LALA121,097+20%

492Potter County, TXTX121,073+7%

493Grayson County, TXTX120,877+9%

494Randall County, TXTX120,725+16%

495Morgan County, ALAL119,490+8%

496Pickens County, SCSC119,224+8%

497Boone County, KYKY118,811+38%

498Calhoun County, ALAL118,572+6%

499Delaware County, ININ117,671−1%

500Jasper County, MOMO117,404+12%

SHOWING 1–500 OF 3,131

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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 9,818,605 (2010 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?

3,131 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 Decennial Census data.

How is total population measured?

Total resident population. Source: US Census Bureau, 2010 Decennial Census.