RANKING · 2024 ACS · 500 SHOWN OF 3,138

Largest American population, US counties

US counties ranked by the number of residents who are American ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Los Angeles County, California leads at 308,717. 3,138 counties qualify in total. Florida carries 11 of the top 25 entries.

American ancestry: full group profile →

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN POPULATIONVS 2010

USUnited States5.3% of US population334,922,49917,776,954–

01Los Angeles County, CACA9,694,934308,717+49%

02Maricopa County, AZAZ4,689,558191,992−1%

03Harris County, TXTX5,045,026153,934+1%

04Orange County, CACA3,149,507143,091+69%

05Orange County, FLFL1,528,002127,466+94%

06Miami-Dade County, FLFL2,802,029126,836+55%

07Broward County, FLFL2,013,317117,476+45%

08Cook County, ILIL5,194,625116,337+42%

09Kings County, NYNY2,653,963107,251+36%

10Dallas County, TXTX2,661,39795,437−11%

11Palm Beach County, FLFL1,575,72694,122+63%

12Tarrant County, TXTX2,248,46692,834−31%

13Pasco County, FLFL674,51686,810+205%

14Hillsborough County, FLFL1,574,11585,315+18%

15Pinellas County, FLFL948,56384,264+41%

16Polk County, FLFL874,79084,050+23%

17St. Lucie County, FLFL402,44983,918+486%

18San Diego County, CACA3,282,24881,666+7%

19Wayne County, MIMI1,769,03881,349+64%

20Lee County, FLFL875,60779,366+18%

21Bexar County, TXTX2,160,08874,620+20%

22Collin County, TXTX1,297,17974,055+28%

23New York County, NYNY1,664,86273,548+34%

24Jefferson County, ALAL665,74271,524+19%

25Duval County, FLFL1,062,96371,333+25%

26Wake County, NCNC1,257,23570,051−15%

27Clark County, NVNV2,407,22666,932+31%

28Riverside County, CACA2,544,91666,131+24%

29Queens County, NYNY2,358,18265,858+44%

30Knox County, TNTN511,45364,747+16%

31Lake County, FLFL456,06864,121+84%

32Suffolk County, NYNY1,546,09059,196+86%

33San Bernardino County, CACA2,224,09157,195+8%

34King County, WAWA2,344,93956,622+5%

35Seminole County, FLFL491,88454,780+179%

36St. Louis County, MOMO990,91154,380+6%

37Mecklenburg County, NCNC1,233,38354,351+24%

38Nassau County, NYNY1,398,93951,660+22%

39Franklin County, OHOH1,361,53651,311−10%

40Montgomery County, ALAL225,89151,208+116%

41Fulton County, GAGA1,098,79150,620+5%

42Middlesex County, MAMA1,669,97950,116+16%

43Ocean County, NJNJ673,74648,827+94%

44Oakland County, MIMI1,288,33747,814+0%

45Bronx County, NYNY1,406,33247,545+192%

46Sarasota County, FLFL479,95847,023+126%

47Westchester County, NYNY1,015,74346,659+13%

48Baldwin County, ALAL267,76145,802+71%

49Shelby County, TNTN910,22645,362−25%

50Madison County, ALAL433,51645,187+8%

51Jefferson County, KYKY795,22244,385−43%

52Brevard County, FLFL663,98244,010−2%

53Marion County, ININ992,19642,391−28%

54Oklahoma County, OKOK822,12541,563−12%

55Smith County, TXTX252,54941,252+156%

56Salt Lake County, UTUT1,220,91641,031−14%

57Travis County, TXTX1,389,67040,633+10%

58Denton County, TXTX1,069,34640,365+20%

59Davidson County, TNTN745,90440,144−36%

60Johnson County, TXTX218,04838,524+209%

61Sacramento County, CACA1,618,46038,220+17%

62Tulsa County, OKOK698,78238,180−22%

63Fairfax County, VAVA1,167,87337,968+3%

64Gwinnett County, GAGA1,018,09937,730−16%

65Charleston County, SCSC436,20036,689+9%

66Worcester County, MAMA888,50236,536+45%

67Greenville County, SCSC583,12536,410−36%

68Cuyahoga County, OHOH1,232,92535,921+1%

69Philadelphia County, PAPA1,574,28135,662+73%

70DeKalb County, GAGA774,39435,547+50%

71Pima County, AZAZ1,074,68535,499+30%

72Baltimore County, MDMD847,65035,343−12%

73Montgomery County, TXTX781,19435,168+3%

74Trumbull County, OHOH198,97235,097−0%

75Guilford County, NCNC562,23434,840+8%

76Sumner County, TNTN215,53834,457+53%

77Gaston County, NCNC246,55834,107+40%

78Pierce County, WAWA946,28834,080+4%

79Mobile County, ALAL411,65833,903−26%

80Virginia Beach, VAVA453,73733,670−29%

81Allegheny County, PAPA1,225,03533,583−10%

82Montgomery County, PAPA877,64333,582+18%

83Cobb County, GAGA793,34533,548−43%

84Hampden County, MAMA464,33833,421+179%

85El Paso County, COCO757,04032,564+15%

86Fort Bend County, TXTX975,19132,035+45%

87Northampton County, PAPA324,41131,880+143%

88Kern County, CACA927,06831,638+42%

89Santa Clara County, CACA1,914,39131,473+25%

90Multnomah County, OROR795,39131,298+6%

91Monroe County, NYNY750,50630,955+52%

92Washington County, OROR611,70830,628+83%

93Manatee County, FLFL468,20030,582+65%

94Rutherford County, TNTN386,35230,425−33%

95Bucks County, PAPA647,82830,333+25%

96Montgomery County, MDMD1,074,58230,233+11%

97Alameda County, CACA1,636,63030,133+50%

98Jackson County, MOMO732,99429,862−54%

99Lancaster County, PAPA563,15929,765−23%

100Spokane County, WAWA558,34429,697+45%

101Horry County, SCSC427,55129,645−25%

102Hamilton County, OHOH838,41829,471−44%

103Macomb County, MIMI886,22129,305−15%

104York County, PAPA473,19728,909−16%

105Capitol Planning Region, CTCT994,11528,879–

106Volusia County, FLFL606,57328,739−15%

107Utah County, UTUT759,85928,496+21%

108Erie County, NYNY946,74128,436+23%

109Prince George's County, MDMD970,37428,376+65%

110Carroll County, GAGA131,03628,354+13%

111Norfolk County, MAMA739,74928,194+37%

112Montgomery County, OHOH539,59828,068−46%

113Hennepin County, MNMN1,284,78427,720+24%

114Spartanburg County, SCSC380,85727,577−27%

115Ventura County, CACA830,85127,481−18%

116Hamilton County, TNTN390,83327,406−50%

117Sedgwick County, KSKS538,43327,293−11%

118Johnson County, KSKS636,90627,173−11%

119Bergen County, NJNJ977,02627,159+30%

120Hendricks County, ININ193,51027,108+106%

121Essex County, NJNJ896,37927,010+25%

122Rockland County, NYNY357,39726,883+98%

123Western Connecticut Planning Region, CTCT640,48226,731–

124Williamson County, TXTX752,82726,662+42%

125Aiken County, SCSC181,51526,536−18%

126East Baton Rouge Parish, LALA456,18026,487−25%

127York County, SCSC306,88726,369+34%

128St. Tammany Parish, LALA279,10826,266+42%

129Anderson County, SCSC219,93026,255−10%

130Monmouth County, NJNJ651,03526,124−13%

131Marion County, FLFL442,66026,011+19%

132Collier County, FLFL417,13125,734+78%

133Snohomish County, WAWA870,65625,712+3%

134Contra Costa County, CACA1,170,07025,207+4%

135DuPage County, ILIL934,29824,483+23%

136Tuscaloosa County, ALAL241,36824,466+28%

137Maury County, TNTN118,13124,463+61%

138Fayette County, KYKY329,75124,323−32%

139Bell County, TXTX402,24824,295+91%

140Anne Arundel County, MDMD603,38024,066+4%

141Lexington County, SCSC317,58824,057−32%

142Lake County, ILIL719,33923,897−14%

143St. Charles County, MOMO426,49923,850+3%

144Forsyth County, NCNC401,71823,829−10%

145Union County, NJNJ601,86323,315+32%

146Clark County, WAWA532,11923,264+32%

147Cumberland County, NCNC338,47322,887+28%

148Butler County, OHOH400,12822,851−58%

149Lee County, ALAL189,88122,820+94%

150Chesterfield County, VAVA397,14822,817−31%

151Henrico County, VAVA342,77522,722−4%

152Caddo Parish, LALA224,22622,576+50%

153Richmond County, NYNY501,29022,476+61%

154Loudoun County, VAVA449,74922,414+63%

155Pulaski County, ARAR404,61122,388−20%

156Ada County, IDID546,14122,141−33%

157Wilson County, TNTN175,03321,940+11%

158Essex County, MAMA826,65321,839−18%

159Wilkes County, NCNC66,23321,616−17%

160Johnston County, NCNC256,44821,588−13%

161Sullivan County, TNTN163,75921,582−47%

162Anoka County, MNMN381,60521,572+100%

163Citrus County, FLFL171,66621,568−12%

164Washington County, TNTN141,19921,453−40%

165Williamson County, TNTN272,06121,345+33%

166Charlotte County, FLFL217,21221,329+7%

167Bernalillo County, NMNM667,60121,226+25%

168St. Johns County, FLFL346,32821,191−2%

169Hidalgo County, TXTX921,54921,113+189%

170Cleveland County, NCNC103,32521,102+12%

171San Mateo County, CACA743,56821,060+88%

172Cabarrus County, NCNC249,72520,974+14%

173Denver County, COCO740,61320,936+8%

174Middlesex County, NJNJ883,33520,933−10%

175Henry County, GAGA264,92220,724−0%

176Providence County, RIRI678,17920,720+105%

177Greene County, MOMO309,28620,643−51%

178Arapahoe County, COCO673,82020,495−32%

179Summit County, OHOH538,37620,493−16%

180Orange County, NYNY417,66920,368−12%

181Morgan County, ALAL126,48320,355+21%

182District of Columbia, DCDC693,64520,229+144%

183Cleveland County, OKOK303,97320,193−1%

184Hernando County, FLFL221,70120,168+76%

185Johnson County, ININ174,26220,150+44%

186Carroll County, MDMD176,67720,114+43%

187Allen County, ININ402,32920,100−47%

188Robeson County, NCNC119,94120,085+239%

189St. Louis, MOMO278,14420,077+81%

190Lorain County, OHOH323,21920,019+8%

191Stark County, OHOH373,77119,763−32%

192Genesee County, MIMI401,09319,750−15%

193Bowie County, TXTX92,69619,587+54%

194Douglas County, GAGA154,29319,561+68%

195Washoe County, NVNV509,38619,541+2%

196Cullman County, ALAL94,00919,506+82%

197Jefferson County, COCO580,45119,457−8%

198El Paso County, TXTX877,85819,368−28%

199Escambia County, FLFL333,83419,324−24%

200Wayne County, NCNC122,27819,179+24%

201Plymouth County, MAMA546,82919,050+5%

202Prince William County, VAVA502,96618,883+3%

203Dutchess County, NYNY300,70818,704+158%

204New Castle County, DEDE588,02618,604+14%

205Richland County, SCSC434,95618,582−30%

206Clackamas County, OROR426,28018,444+2%

207Shelby County, ALAL238,55218,339−11%

208Harrison County, MSMS217,13618,330+15%

209Cherokee County, GAGA299,27318,194−18%

210Lucas County, OHOH423,34718,081+6%

211Iredell County, NCNC211,79818,064+0%

212Hamilton County, ININ387,03618,058−10%

213Catawba County, NCNC170,17217,959−13%

214Rapides Parish, LALA125,87717,943−40%

215Kent County, MIMI675,23217,940−9%

216Suffolk County, MAMA791,89117,920+29%

217Marshall County, ALAL103,53717,899+32%

218Chester County, PAPA557,11617,664−20%

219Waukesha County, WIWI417,21017,663+79%

220Will County, ILIL712,25317,646+26%

221Montgomery County, TNTN249,93517,623−10%

222Chesapeake, VAVA255,33217,599−41%

223St. Joseph County, ININ272,86117,448+45%

224Pinal County, AZAZ539,38017,319+90%

225Walker County, ALAL65,14017,300+47%

226Sussex County, DEDE277,14017,264+45%

227Paulding County, GAGA190,99616,995+9%

228Berkeley County, SCSC274,66616,994−3%

229Bristol County, MAMA593,64016,974+27%

230South Central Connecticut Planning Region, CTCT578,74116,945–

231Union County, NCNC267,67416,937−41%

232Washtenaw County, MIMI370,21416,921+12%

233Putnam County, TNTN86,61216,867−32%

234Lubbock County, TXTX328,90616,855−4%

235San Francisco County, CACA826,07916,837+109%

236Nassau County, FLFL106,87916,827+3%

237Buncombe County, NCNC277,41716,808−47%

238Douglas County, NENE606,46016,789+4%

239Polk County, IAIA516,54616,737−12%

240Fresno County, CACA1,035,45616,684+12%

241Milwaukee County, WIWI924,21616,501+23%

242Hall County, GAGA226,56816,494−44%

243Bay County, FLFL204,47916,423−17%

244Dauphin County, PAPA293,35116,317+40%

245Clermont County, OHOH216,97716,270−31%

246Hudson County, NJNJ735,03316,266+113%

247Brazoria County, TXTX419,08016,121−22%

248Jefferson Parish, LALA431,39816,116−6%

249Berks County, PAPA440,07216,003−15%

250Spalding County, GAGA70,77515,989+8%

251Rowan County, NCNC155,09615,947−35%

252Baltimore, MDMD569,99715,886−42%

253Forsyth County, GAGA282,80515,850−33%

254Portage County, OHOH163,40415,844+73%

255Lehigh County, PAPA384,38315,839+37%

256Franklin County, PAPA160,65215,741+6%

257Adams County, COCO554,66815,731−33%

258DeSoto County, MSMS197,91815,729−15%

259Osceola County, FLFL481,71815,660−16%

260Caldwell County, NCNC81,10515,533+2%

261Camden County, NJNJ535,79915,414+21%

262Delaware County, PAPA580,93715,390+27%

263Kalamazoo County, MIMI263,79515,222+40%

264Warren County, KYKY149,37515,220+18%

265Morris County, NJNJ524,25115,112+13%

266Burlington County, NJNJ481,43915,021+17%

267Jackson County, MSMS147,66615,010−16%

268Daviess County, KYKY104,89814,926−44%

269Sumter County, FLFL157,77214,895+157%

270Lane County, OROR381,58414,886−19%

271Montgomery County, VAVA98,43414,884+48%

272Calcasieu Parish, LALA208,46614,825+1%

273Kanawha County, WVWV172,38114,795−43%

274Florence County, SCSC138,50414,771+30%

275Washington County, MSMS40,44614,724+579%

276Onondaga County, NYNY466,58414,724+5%

277Warren County, OHOH257,18114,653−39%

278Gregg County, TXTX126,09514,649−13%

279Ellis County, TXTX240,86714,630+23%

280Okaloosa County, FLFL221,81014,618−48%

281Santa Rosa County, FLFL211,11514,610−8%

282Lynchburg, VAVA81,34714,609+116%

283Westmoreland County, PAPA349,32414,605+3%

284Chatham County, GAGA311,85514,534+23%

285Pittsylvania County, VAVA59,49014,494+3%

286Carter County, TNTN57,36114,415+7%

287Galveston County, TXTX372,20714,382−2%

288Benton County, ARAR332,55414,359−18%

289Larimer County, COCO377,29214,317+25%

290Jefferson County, MOMO233,13214,297−20%

291Naugatuck Valley Planning Region, CTCT463,34914,224–

292Rankin County, MSMS162,18114,217−21%

293Fairfield County, OHOH169,75214,171+14%

294Kane County, ILIL525,75714,127+18%

295Davidson County, NCNC180,18214,070−33%

296Elkhart County, ININ208,77414,061−6%

297Hillsborough County, NHNH433,41514,042−1%

298San Joaquin County, CACA823,81513,999−6%

299Bibb County, GAGA157,55613,973+19%

300Clay County, MOMO265,03213,906−31%

301Muscogee County, GAGA202,17113,872+17%

302Etowah County, ALAL103,88613,814−6%

303Clay County, FLFL239,59313,627−16%

304Greene County, TNTN73,83113,589+6%

305Rockingham County, NHNH324,07713,584+22%

306Davis County, UTUT381,22713,560−32%

307Columbia County, GAGA169,18913,501−23%

308Dane County, WIWI590,37513,490+6%

309Yakima County, WAWA259,18513,401+57%

310Weakley County, TNTN33,26113,399+78%

311Frederick County, MDMD302,88313,386−7%

312Indian River County, FLFL172,79913,321+47%

313Honolulu County, HIHI988,70313,265+88%

314Douglas County, COCO399,39613,262+3%

315Martin County, FLFL166,27213,253+88%

316Stafford County, VAVA170,80313,186−26%

317Durham County, NCNC347,24013,171+1%

318Coweta County, GAGA160,24013,163−51%

319Weld County, COCO378,42613,106+20%

320Craven County, NCNC105,02513,075+50%

321Placer County, CACA442,08113,073+3%

322Passaic County, NJNJ531,62413,034−30%

323Burke County, NCNC88,65512,964−34%

324Lauderdale County, ALAL97,13512,954−19%

325Madison County, ILIL263,11012,867−36%

326Saratoga County, NYNY241,34312,782−53%

327Limestone County, ALAL122,92812,734−0%

328Greater Bridgeport Planning Region, CTCT337,69712,728–

329Robertson County, TNTN80,17512,540−24%

330Clayton County, GAGA297,47112,535−1%

331Canyon County, IDID275,12312,473−64%

332Leon County, FLFL299,04812,465−19%

333Rockingham County, NCNC94,19512,463−7%

334Penobscot County, MEME157,96712,454−13%

335Cumberland County, MEME317,22212,446+2%

336Norfolk, VAVA231,01312,423−51%

337Madison County, KYKY101,69612,389−22%

338Cumberland County, PAPA277,27012,373−14%

339Pickens County, SCSC139,19812,369−35%

340Washington County, VAVA53,89812,366+32%

341Lackawanna County, PAPA216,50212,364+137%

342Henderson County, NCNC122,37512,319+6%

343Henry County, VAVA49,24212,302+8%

344Licking County, OHOH185,56412,287−30%

345Lake County, ININ504,61212,285−33%

346Washington County, ARAR271,21312,283−28%

347Sonoma County, CACA486,44412,249−7%

348Blount County, TNTN143,82012,161−34%

349Weber County, UTUT278,17412,116−67%

350Lafayette Parish, LALA257,94912,020−22%

351Russell County, VAVA25,33212,011+340%

352Ouachita Parish, LALA158,54211,934−35%

353Boone County, ININ80,68911,909+141%

354Stanislaus County, CACA557,71911,868−29%

355Lewis County, WAWA88,06211,867+106%

356Calhoun County, ALAL115,83411,860−25%

357Shasta County, CACA181,64811,829−15%

358Thurston County, WAWA304,26111,720+3%

359New Hanover County, NCNC245,95911,693−61%

360Marion County, OROR355,77711,688−20%

361Mahoning County, OHOH224,70611,670+14%

362Dakota County, MNMN457,71011,645+13%

363Parker County, TXTX184,76711,610+4%

364Buchanan County, VAVA18,49211,599+29%

365Lenawee County, MIMI97,77911,590+72%

366Beaufort County, SCSC204,43311,581+48%

367Kent County, DEDE194,78611,542+24%

368Harford County, MDMD266,44611,522−23%

369Greene County, OHOH174,32211,510−54%

370Richmond County, GAGA206,55911,467−27%

371Kenton County, KYKY175,77911,461−40%

372Ulster County, NYNY183,33011,449−9%

373Yavapai County, AZAZ252,55211,443+10%

374Livingston Parish, LALA155,03611,423−9%

375Oneida County, NYNY226,39211,410+21%

376Randolph County, NCNC149,51611,409−43%

377Lamar County, MSMS67,40311,390+88%

378Somerset County, NJNJ356,48611,385−27%

379Colbert County, ALAL59,47411,325+23%

380Houston County, GAGA178,21411,257−35%

381Flagler County, FLFL140,36011,219+52%

382Hanover County, VAVA116,42311,177−24%

383Ramsey County, MNMN541,62311,171+12%

384York County, MEME222,43411,104−4%

385Catoosa County, GAGA69,62811,078−16%

386Randall County, TXTX152,35111,048+9%

387Bossier Parish, LALA131,86711,024−34%

388Elmore County, ALAL91,57711,012−1%

389Kitsap County, WAWA283,37410,998+6%

390Boone County, MOMO191,74610,962+13%

391Newton County, GAGA125,58310,961−16%

392Mohave County, AZAZ228,10210,960+23%

393Walton County, GAGA112,69610,942−34%

394Accomack County, VAVA33,85910,919+117%

395Saline County, ARAR133,28810,895−17%

396Henry County, TNTN32,89610,844+75%

397Solano County, CACA455,37610,800+18%

398Craighead County, ARAR116,95710,753+12%

399Alachua County, FLFL290,02810,752−8%

400Ottawa County, MIMI308,45910,745+7%

401Bryan County, OKOK51,36710,744+2%

402Anchorage, AKAK287,15510,728−5%

403Alamance County, NCNC186,17710,663−31%

404Erie County, PAPA265,83210,600−6%

405Tazewell County, VAVA38,63510,595+142%

406Jasper County, TXTX33,07510,545+260%

407St. Clair County, ILIL250,70810,538−15%

408Lancaster County, NENE334,04910,533+9%

409Tift County, GAGA42,25410,518+27%

410Bedford County, VAVA83,05910,506−19%

411Butte County, CACA209,21110,470−35%

412Clark County, OHOH135,34010,469−46%

413McLennan County, TXTX272,02010,429−45%

414Greenbrier County, WVWV31,57810,382+193%

415Harnett County, NCNC150,13710,306−19%

416Canadian County, OKOK187,18910,267−3%

417Pitt County, NCNC182,93610,258−18%

418Pope County, ARAR64,97610,229+32%

419Lincoln County, KYKY25,35310,164−14%

420Delaware County, OHOH242,03210,152+8%

421Rusk County, TXTX54,85410,152+81%

422Adams County, PAPA107,59410,141+2%

423Hawkins County, TNTN59,55910,116−51%

424Lincoln County, NCNC98,65410,106−10%

425St. Clair County, ALAL98,20610,105−55%

426Santa Barbara County, CACA442,06510,101−1%

427Floyd County, GAGA101,37810,082−21%

428Kaufman County, TXTX209,2359,974+34%

429Newport News, VAVA183,2309,961+14%

430Vanderburgh County, ININ181,9959,946−70%

431Colquitt County, GAGA47,4389,938+14%

432Pulaski County, KYKY67,3849,922−50%

433Madison County, ININ135,0889,910−40%

434Midland County, TXTX187,8559,897−13%

435Pulaski County, VAVA33,5869,865+60%

436Bradley County, TNTN115,4659,827−28%

437Howard County, MDMD339,1839,806−23%

438Cass County, TXTX28,6519,773+77%

439Brown County, WIWI275,8039,762+26%

440Nueces County, TXTX352,9929,757−18%

441Hardin County, KYKY113,4829,747−37%

442Sangamon County, ILIL194,1709,739−48%

443Boulder County, COCO328,5609,717+6%

444Walker County, GAGA70,2509,695−45%

445Washington County, UTUT213,6709,677+33%

446DeKalb County, ALAL74,0859,658+2%

447Benton County, WAWA221,7229,650−27%

448Carroll County, TNTN29,2009,632+65%

449Luzerne County, PAPA332,1269,624−9%

450Gloucester County, VAVA40,0979,623+163%

451Howard County, ININ83,9049,623−25%

452Putnam County, WVWV56,8859,584+32%

453Onslow County, NCNC217,1759,553−7%

454Forrest County, MSMS79,0349,541+37%

455Lafourche Parish, LALA95,5059,529−40%

456James City County, VAVA83,3269,523+128%

457Webster Parish, LALA34,9489,460+39%

458Highlands County, FLFL111,1229,381−15%

459Roanoke County, VAVA97,1509,337−32%

460Terrebonne Parish, LALA104,1639,333−32%

461Schenectady County, NYNY162,5819,317+4%

462Brunswick County, NCNC174,7029,313−22%

463Mercer County, NJNJ399,2899,301−15%

464Ascension Parish, LALA135,1059,288+40%

465Sevier County, TNTN101,3429,275−64%

466Woodbury County, IAIA106,6499,234+123%

467Hinds County, MSMS211,8889,223−17%

468Franklin County, MOMO108,0909,200−4%

469Alexander County, NCNC36,9589,143+62%

470Monroe County, ININ143,3459,106−16%

471Houston County, ALAL110,3189,101−51%

472Minnehaha County, SDSD212,6919,101+73%

473Delaware County, ININ113,1069,090−27%

474Orleans Parish, LALA362,1549,085+23%

475Pearl River County, MSMS59,3639,061+52%

476Bartow County, GAGA120,8009,059−33%

477Rock County, WIWI166,4729,045+21%

478Dorchester County, SCSC178,3979,040−53%

479Washington County, MDMD157,7319,039−27%

480Cass County, MOMO115,8599,025−8%

481Whitfield County, GAGA106,2129,012−25%

482Gloucester County, NJNJ312,6388,994+2%

483Richland County, OHOH124,8938,987−10%

484St. Francois County, MOMO67,8098,980+9%

485Pike County, KYKY54,7218,945−30%

486Jackson County, OROR221,7958,934−17%

487McHenry County, ILIL317,7518,905−21%

488Centre County, PAPA157,3938,902+4%

489Cumberland County, TNTN66,3008,863−28%

490Talladega County, ALAL81,6038,839−53%

491Cameron County, TXTX433,9468,837+37%

492Comal County, TXTX209,1668,823+27%

493Monroe County, MIMI156,0048,806+21%

494Carroll County, VAVA29,2998,804+8%

495Tulare County, CACA485,1468,785−22%

496Surry County, NCNC72,2878,783−53%

497Bonneville County, IDID135,7718,772−11%

498Barnstable County, MAMA233,5398,759−65%

499Coffee County, TNTN62,4198,744−39%

500Fayette County, GAGA125,1568,708+3%

SHOWING 1–500 OF 3,138

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Download CSV (full list, 3,138 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES

Frequently asked

Which county has the highest american population?

Los Angeles County, California ranks #1 with 308,717 (2024 American Community Survey).

What are the top 5 counties by american population?

Los Angeles County, California, Maricopa County, Arizona, Harris County, Texas, Orange County, California, Orange County, Florida.

How many counties are in this ranking?

3,138 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.

How is american population measured?

Number of residents who are American ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2024).