RANKING · 2024 ACS · 500 SHOWN OF 2,624

Largest Swiss population, US counties

US counties ranked by the number of residents who are Swiss ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Lancaster County, Pennsylvania leads at 18,479. 2,624 counties qualify in total. California carries 5 of the top 25 entries.

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSWISS POPULATIONVS 2000

01Lancaster County, PAPA563,15918,479–

02Los Angeles County, CACA9,694,93412,086–

03Maricopa County, AZAZ4,689,55811,211–

04King County, WAWA2,344,9399,655–

05Dane County, WIWI590,3759,110–

06Utah County, UTUT759,8598,217–

07Salt Lake County, UTUT1,220,9168,215–

08San Diego County, CACA3,282,2488,184–

09Cook County, ILIL5,194,6257,451–

10Elkhart County, ININ208,7746,205–

11Wayne County, OHOH116,7586,130–

12Sacramento County, CACA1,618,4605,424–

13Clark County, NVNV2,407,2265,297–

14Hennepin County, MNMN1,284,7845,276–

15Orange County, CACA3,149,5075,264–

16Green County, WIWI37,2275,022–

17Holmes County, OHOH44,9704,786–

18Santa Clara County, CACA1,914,3914,688–

19Multnomah County, OROR795,3914,508–

20Davis County, UTUT381,2274,499–

21Harris County, TXTX5,045,0264,444–

22Franklin County, OHOH1,361,5363,969–

23Allen County, ININ402,3293,922–

24Stark County, OHOH373,7713,894–

25Washington County, UTUT213,6703,882–

26Alameda County, CACA1,636,6303,755–

27Chester County, PAPA557,1163,642–

28New York County, NYNY1,664,8623,633–

29Allegheny County, PAPA1,225,0353,593–

30Travis County, TXTX1,389,6703,583–

31Middlesex County, MAMA1,669,9793,495–

32Washington County, OROR611,7083,479–

33Pierce County, WAWA946,2883,392–

34Clackamas County, OROR426,2803,367–

35Adams County, ININ36,6503,357–

36Tuscarawas County, OHOH92,3733,331–

37Waukesha County, WIWI417,2103,301–

38Denver County, COCO740,6133,085–

39Rock County, WIWI166,4723,070–

40Johnson County, KSKS636,9063,065–

41Pima County, AZAZ1,074,6853,042–

42Berks County, PAPA440,0723,013–

43Fairfax County, VAVA1,167,8732,972–

44Riverside County, CACA2,544,9162,971–

45St. Louis County, MOMO990,9112,940–

46Sonoma County, CACA486,4442,936–

47Ada County, IDID546,1412,929–

48Contra Costa County, CACA1,170,0702,865–

49Bexar County, TXTX2,160,0882,854–

50Palm Beach County, FLFL1,575,7262,757–

51Montgomery County, PAPA877,6432,711–

52Dallas County, TXTX2,661,3972,672–

53San Francisco County, CACA826,0792,629–

54Hamilton County, OHOH838,4182,608–

55Cuyahoga County, OHOH1,232,9252,604–

56Cache County, UTUT145,0002,601–

57Lebanon County, PAPA146,3802,550–

58Snohomish County, WAWA870,6562,518–

59Spokane County, WAWA558,3442,508–

60Summit County, OHOH538,3762,495–

61LaGrange County, ININ41,3052,470–

62Sarasota County, FLFL479,9582,468–

63Capitol Planning Region, CTCT994,1152,437–

64DuPage County, ILIL934,2982,426–

65Jefferson County, COCO580,4512,388–

66Milwaukee County, WIWI924,2162,378–

67Kings County, NYNY2,653,9632,370–

68Rockingham County, VAVA89,3162,369–

69Washoe County, NVNV509,3862,348–

70Wake County, NCNC1,257,2352,340–

71Hamilton County, ININ387,0362,330–

72Franklin County, PAPA160,6522,322–

73Jefferson County, KYKY795,2222,307–

74Marion County, ININ992,1962,300–

75Ramsey County, MNMN541,6232,292–

76Marion County, OROR355,7772,284–

77Clark County, WAWA532,1192,246–

78Marin County, CACA253,6942,212–

79Larimer County, COCO377,2922,175–

80York County, PAPA473,1972,154–

81San Mateo County, CACA743,5682,139–

82Bucks County, PAPA647,8282,126–

83Philadelphia County, PAPA1,574,2812,112–

84Lane County, OROR381,5842,101–

85Tarrant County, TXTX2,248,4662,092–

86Montgomery County, MDMD1,074,5822,085–

87Placer County, CACA442,0812,069–

88Monterey County, CACA433,7292,047–

89Miami-Dade County, FLFL2,802,0292,046–

90Ventura County, CACA830,8512,042–

91Pinellas County, FLFL948,5632,036–

92Broward County, FLFL2,013,3172,018–

93Lee County, FLFL875,6071,999–

94Collin County, TXTX1,297,1791,989–

95San Bernardino County, CACA2,224,0911,981–

96Weber County, UTUT278,1741,973–

97Arapahoe County, COCO673,8201,954–

98Suffolk County, NYNY1,546,0901,953–

99El Paso County, COCO757,0401,913–

100Santa Barbara County, CACA442,0651,906–

101Williamson County, TXTX752,8271,901–

102Western Connecticut Planning Region, CTCT640,4821,881–

103Hillsborough County, FLFL1,574,1151,879–

104Bergen County, NJNJ977,0261,877–

105Oakland County, MIMI1,288,3371,874–

106District of Columbia, DCDC693,6451,829–

107Stanislaus County, CACA557,7191,810–

108Mecklenburg County, NCNC1,233,3831,785–

109Wells County, ININ28,8831,775–

110Orange County, FLFL1,528,0021,726–

111Morris County, NJNJ524,2511,715–

112Onondaga County, NYNY466,5841,688–

113San Luis Obispo County, CACA282,3671,607–

114Dakota County, MNMN457,7101,587–

115Kent County, MIMI675,2321,579–

116Cumberland County, PAPA277,2701,577–

117Douglas County, COCO399,3961,575–

118Allen County, OHOH100,8811,567–

119Douglas County, NENE606,4601,562–

120Jackson County, MOMO732,9941,539–

121Westchester County, NYNY1,015,7431,537–

122Dauphin County, PAPA293,3511,523–

123Boulder County, COCO328,5601,520–

124Madison County, ILIL263,1101,520–

125Richland County, OHOH124,8931,515–

126Sedgwick County, KSKS538,4331,506–

127Clark County, WIWI35,0521,505–

128Denton County, TXTX1,069,3461,480–

129Fulton County, GAGA1,098,7911,462–

130Montgomery County, TXTX781,1941,448–

131Montgomery County, OHOH539,5981,445–

132Lucas County, OHOH423,3471,443–

133Suffolk County, MAMA791,8911,432–

134Medina County, OHOH185,0251,418–

135Bernalillo County, NMNM667,6011,414–

136Woodford County, ILIL38,1111,390–

137Loudoun County, VAVA449,7491,375–

138Fresno County, CACA1,035,4561,360–

139Kosciusko County, ININ80,8921,341–

140Duval County, FLFL1,062,9631,337–

141Davidson County, TNTN745,9041,335–

142Lake County, ILIL719,3391,319–

143Kane County, ILIL525,7571,305–

144St. Charles County, MOMO426,4991,297–

145Norfolk County, MAMA739,7491,293–

146Wayne County, MIMI1,769,0381,276–

147Yates County, NYNY24,5471,270–

148Whatcom County, WAWA236,3921,268–

149Winnebago County, ILIL283,6741,266–

150San Joaquin County, CACA823,8151,245–

151El Dorado County, CACA192,3231,242–

152Delaware County, PAPA580,9371,231–

153Monroe County, NYNY750,5061,224–

154Geauga County, OHOH95,6761,224–

155Washington County, MNMN286,8951,223–

156Oklahoma County, OKOK822,1251,221–

157St. Joseph County, MIMI60,9681,219–

158Knox County, TNTN511,4531,218–

159Lake County, FLFL456,0681,212–

160Yavapai County, AZAZ252,5521,209–

161Pinal County, AZAZ539,3801,202–

162Santa Cruz County, CACA258,8521,193–

163Olmsted County, MNMN166,7311,189–

164Polk County, IAIA516,5461,187–

165Washtenaw County, MIMI370,2141,163–

166Delaware County, OHOH242,0321,163–

167Kitsap County, WAWA283,3741,159–

168Centre County, PAPA157,3931,153–

169Erie County, NYNY946,7411,148–

170Jackson County, OROR221,7951,137–

171Cobb County, GAGA793,3451,128–

172Kern County, CACA927,0681,126–

173Lancaster County, NENE334,0491,119–

174Anne Arundel County, MDMD603,3801,111–

175Daviess County, ININ34,2091,108–

176Adams County, COCO554,6681,104–

177Brevard County, FLFL663,9821,098–

178Somerset County, PAPA72,0041,096–

179Collier County, FLFL417,1311,089–

180Honolulu County, HIHI988,7031,086–

181Lafayette County, WIWI17,4781,081–

182Shelby County, TNTN910,2261,076–

183Sauk County, WIWI66,6521,076–

184Pasco County, FLFL674,5161,075–

185Baltimore County, MDMD847,6501,075–

186Linn County, IAIA232,0281,070–

187Tulsa County, OKOK698,7821,060–

188Greenville County, SCSC583,1251,058–

189Ingham County, MIMI289,7091,056–

190Bannock County, IDID91,5911,054–

191Defiance County, OHOH38,2921,045–

192Yolo County, CACA224,4101,041–

193Essex County, MAMA826,6531,040–

194Washington County, MDMD157,7311,034–

195Lorain County, OHOH323,2191,030–

196Marathon County, WIWI139,4321,030–

197Deschutes County, OROR213,0721,027–

198Weld County, COCO378,4261,025–

199Harrisonburg, VAVA50,8391,016–

200Thurston County, WAWA304,2611,016–

201Bonneville County, IDID135,7711,015–

202Canyon County, IDID275,1231,011–

203Tazewell County, ILIL130,049997–

204Baltimore, MDMD569,997997–

205Erie County, PAPA265,832992–

206Anoka County, MNMN381,605971–

207Hamilton County, TNTN390,833962–

208Stephenson County, ILIL43,220959–

209Brown County, WIWI275,803955–

210Worcester County, MAMA888,502951–

211Lexington County, SCSC317,588944–

212Johnson County, IAIA160,044928–

213Union County, PAPA42,313927–

214Manatee County, FLFL468,200906–

215Charleston County, SCSC436,200902–

216St. Joseph County, ININ272,861901–

217Guilford County, NCNC562,234899–

218Winnebago County, WIWI174,218898–

219St. Louis, MOMO278,144895–

220South Central Connecticut Planning Region, CTCT578,741890–

221Mahoning County, OHOH224,706889–

222Fort Bend County, TXTX975,191888–

223DeKalb County, GAGA774,394883–

224Washington County, WIWI139,238875–

225Northampton County, PAPA324,411862–

226Dutchess County, NYNY300,708860–

227Jefferson County, ALAL665,742857–

228Peoria County, ILIL178,553854–

229Snyder County, PAPA39,655854–

230Washington County, IAIA22,667851–

231Oneida County, NYNY226,392851–

232Volusia County, FLFL606,573849–

233Queens County, NYNY2,358,182848–

234Cumberland County, MEME317,222843–

235Ocean County, NJNJ673,746843–

236Tippecanoe County, ININ190,456839–

237Forsyth County, NCNC401,718836–

238McHenry County, ILIL317,751833–

239Rockland County, NYNY357,397826–

240Nassau County, NYNY1,398,939825–

241Portage County, OHOH163,404825–

242Monmouth County, NJNJ651,035823–

243Benton County, OROR97,728821–

244Hawaii County, HIHI210,043815–

245Columbiana County, OHOH99,377813–

246Arlington County, VAVA243,931811–

247Humboldt County, CACA131,647807–

248Seminole County, FLFL491,884806–

249Somerset County, NJNJ356,486802–

250Branch County, MIMI45,993800–

251Solano County, CACA455,376798–

252Blair County, PAPA119,541791–

253Montgomery County, NYNY50,046788–

254Marion County, FLFL442,660784–

255Benton County, ARAR332,554775–

256Prince William County, VAVA502,966772–

257Virginia Beach, VAVA453,737771–

258Fulton County, OHOH41,853767–

259Williamson County, TNTN272,061767–

260Butte County, CACA209,211766–

261Wood County, OHOH134,176765–

262Gallatin County, MTMT128,740764–

263Eau Claire County, WIWI109,033760–

264Douglas County, KSKS120,920757–

265Richmond, VAVA237,257757–

266Coshocton County, OHOH37,188754–

267Frederick County, MDMD302,883744–

268New Castle County, DEDE588,026740–

269Iowa County, WIWI23,951736–

270Sangamon County, ILIL194,170732–

271Gwinnett County, GAGA1,018,099731–

272Pulaski County, ARAR404,611726–

273Trumbull County, OHOH198,972724–

274Jefferson County, WIWI86,505721–

275Jefferson County, IDID35,297719–

276Ozaukee County, WIWI94,346718–

277Monroe County, ININ143,345715–

278Napa County, CACA132,949712–

279Steuben County, NYNY91,855711–

280Yamhill County, OROR110,024711–

281Boone County, MOMO191,746705–

282La Crosse County, WIWI121,339704–

283Madison County, ALAL433,516702–

284Box Elder County, UTUT65,320702–

285Schuylkill County, PAPA145,085696–

286Macomb County, MIMI886,221695–

287Lewis County, WAWA88,062695–

288Grant County, WIWI52,446695–

289Camden County, NJNJ535,799692–

290Lycoming County, PAPA112,587690–

291Fairfield County, OHOH169,752684–

292Rockingham County, NHNH324,077679–

293Anchorage, AKAK287,155673–

294Walworth County, WIWI106,127664–

295Butler County, OHOH400,128661–

296Hudson County, NJNJ735,033657–

297Durham County, NCNC347,240656–

298Perry County, PAPA46,806653–

299Sussex County, DEDE277,140652–

300Webster County, MOMO43,054647–

301Lehigh County, PAPA384,383640–

302Iron County, UTUT67,141640–

303Middlesex County, NJNJ883,335639–

304Santa Fe County, NMNM156,907635–

305Johnson County, ININ174,262633–

306Lake County, OHOH232,217633–

307Clay County, MOMO265,032626–

308Benton County, WAWA221,722626–

309Reno County, KSKS61,539624–

310Burlington County, NJNJ481,439624–

311Mesa County, COCO162,845623–

312McLean County, ILIL171,419623–

313Jefferson County, MOMO233,132623–

314Sullivan County, NYNY80,586622–

315Linn County, OROR132,843620–

316Shasta County, CACA181,648616–

317St. Johns County, FLFL346,328615–

318Barron County, WIWI46,484614–

319Fayette County, KYKY329,751613–

320Crawford County, PAPA81,792612–

321Chittenden County, VTVT169,115610–

322Dodge County, WIWI89,097610–

323Lubbock County, TXTX328,906606–

324Warren County, OHOH257,181605–

325Prince George's County, MDMD970,374603–

326Hancock County, OHOH75,034601–

327Miami County, OHOH112,634601–

328Westmoreland County, PAPA349,324600–

329Columbia County, WIWI58,132597–

330Kootenai County, IDID191,864594–

331St. Clair County, ILIL250,708592–

332Garrett County, MDMD28,370591–

333Dubuque County, IAIA99,381587–

334Greene County, OHOH174,322587–

335Augusta County, VAVA78,940587–

336Union County, NCNC267,674585–

337Sumter County, FLFL157,772582–

338Will County, ILIL712,253581–

339Ontario County, NYNY113,130580–

340York County, SCSC306,887580–

341Wood County, WIWI74,060579–

342Hillsborough County, NHNH433,415577–

343Ashtabula County, OHOH96,713577–

344Polk County, FLFL874,790576–

345Tulare County, CACA485,146575–

346Champaign County, ILIL209,972575–

347East Baton Rouge Parish, LALA456,180573–

348Buncombe County, NCNC277,417570–

349Skagit County, WAWA132,975570–

350Racine County, WIWI198,919566–

351Mohave County, AZAZ228,102565–

352Wayne County, NYNY91,250564–

353St. Louis County, MNMN200,518563–

354Saratoga County, NYNY241,343561–

355Licking County, OHOH185,564559–

356Pueblo County, COCO169,277558–

357Yakima County, WAWA259,185558–

358Minnehaha County, SDSD212,691554–

359Summit County, UTUT43,141554–

360Porter County, ININ176,049551–

361Ottawa County, MIMI308,459550–

362Rutherford County, TNTN386,352549–

363Bell County, TXTX402,248546–

364New Hanover County, NCNC245,959543–

365Morgan County, MOMO22,418542–

366Black Hawk County, IAIA131,532540–

367Chatham County, GAGA311,855537–

368Albemarle County, VAVA118,356535–

369Berrien County, MIMI152,444534–

370Mifflin County, PAPA46,127532–

371Leon County, FLFL299,048531–

372Herkimer County, NYNY59,219529–

373Carroll County, OHOH26,475529–

374Chippewa County, WIWI67,614526–

375Plymouth County, MAMA546,829524–

376Lower Connecticut River Valley Planning Region, CTCT177,311523–

377Sarpy County, NENE208,303522–

378Chesterfield County, VAVA397,148522–

379Kenosha County, WIWI168,448522–

380Lake County, ININ504,612519–

381Labette County, KSKS19,685513–

382Mercer County, PAPA107,860512–

383Kalamazoo County, MIMI263,795510–

384Shawnee County, KSKS178,607509–

385Cowlitz County, WAWA114,885509–

386Harford County, MDMD266,446508–

387Saginaw County, MIMI187,688505–

388Nevada County, CACA101,911501–

389Clermont County, OHOH216,977501–

390Scott County, IAIA175,259500–

391Howard County, MDMD339,183498–

392Greene County, MOMO309,286498–

393Orange County, NYNY417,669498–

394Bedford County, PAPA47,480498–

395Juniata County, PAPA23,403498–

396Cass County, NDND201,794496–

397Nueces County, TXTX352,992496–

398Lincoln County, WYWY21,180495–

399Montgomery County, TNTN249,935494–

400Eagle County, COCO54,291492–

401Sherburne County, MNMN104,194491–

402Butler County, PAPA200,169490–

403Christian County, MOMO96,725489–

404Escambia County, FLFL333,834488–

405Hendricks County, ININ193,510488–

406Dallas County, IAIA118,457488–

407Hillsdale County, MIMI45,738488–

408Richland County, SCSC434,956488–

409Mercer County, NJNJ399,289485–

410Story County, IAIA101,291482–

411Passaic County, NJNJ531,624482–

412Columbia County, OROR54,091482–

413Howard County, IAIA9,415480–

414Missoula County, MTMT123,513479–

415Stark County, NDND34,013478–

416Forsyth County, GAGA282,805476–

417Washington County, PAPA210,802474–

418Yellowstone County, MTMT172,692473–

419Tillamook County, OROR27,384472–

420Northwest Hills Planning Region, CTCT114,690469–

421Sheboygan County, WIWI118,047469–

422Wasatch County, UTUT38,514467–

423Livingston County, ILIL35,057466–

424Marshall County, ININ46,599466–

425Cherokee County, GAGA299,273465–

426Scott County, MNMN159,017463–

427Outagamie County, WIWI195,894461–

428Huron County, OHOH58,250458–

429Adams County, PAPA107,594458–

430Merced County, CACA297,260456–

431Orange County, NCNC152,498453–

432Brazos County, TXTX249,088452–

433Charlotte County, FLFL217,212451–

434Putnam County, OHOH34,380450–

435Naugatuck Valley Planning Region, CTCT463,349449–

436Hampshire County, MAMA164,065446–

437Gaston County, NCNC246,558446–

438Cascade County, MTMT85,029445–

439Madison County, IDID55,172443–

440Livingston County, MIMI197,315443–

441St. Lucie County, FLFL402,449442–

442Indian River County, FLFL172,799441–

443Polk County, OROR90,037440–

444Nassau County, FLFL106,879438–

445Knox County, OHOH64,002438–

446Southeastern Connecticut Planning Region, CTCT284,015437–

447Douglas County, OROR111,951436–

448Wright County, MNMN157,559434–

449Walla Walla County, WAWA62,361434–

450Twin Falls County, IDID97,539433–

451Grand Traverse County, MIMI96,729433–

452Brazoria County, TXTX419,080433–

453St. Mary's County, MDMD116,692432–

454Galveston County, TXTX372,207432–

455Clay County, FLFL239,593431–

456Fairbanks North Star, AKAK93,972429–

457Tompkins County, NYNY104,047429–

458Seneca County, NYNY32,883427–

459Morton County, NDND34,601427–

460Albany County, NYNY321,225424–

461Aiken County, SCSC181,515424–

462Ashland County, OHOH52,523423–

463Luzerne County, PAPA332,126422–

464Moniteau County, MOMO15,428420–

465Garfield County, COCO63,474418–

466Grafton County, NHNH93,225414–

467Providence County, RIRI678,179414–

468Hays County, TXTX304,390414–

469Canadian County, OKOK187,189413–

470Genesee County, MIMI401,093404–

471Hardin County, KYKY113,482401–

472Spartanburg County, SCSC380,857401–

473Parker County, TXTX184,767401–

474Andrew County, MOMO18,241400–

475Tooele County, UTUT87,461399–

476Chesapeake, VAVA255,332399–

477Franklin County, WAWA102,612399–

478Schenectady County, NYNY162,581397–

479Morgan County, UTUT13,383397–

480Beaver County, PAPA166,032396–

481Clark County, OHOH135,340393–

482Pennington County, SDSD116,792392–

483El Paso County, TXTX877,858392–

484Alachua County, FLFL290,028390–

485Alexandria, VAVA160,662390–

486Iredell County, NCNC211,798388–

487Broomfield County, COCO79,174386–

488Citrus County, FLFL171,666384–

489Santa Rosa County, FLFL211,115384–

490Fond du Lac County, WIWI104,669384–

491Boone County, ININ80,689382–

492Chautauqua County, NYNY124,126381–

493Cleveland County, OKOK303,973380–

494Des Moines County, IAIA38,077379–

495Essex County, NJNJ896,379378–

496Comal County, TXTX209,166378–

497Barnstable County, MAMA233,539377–

498Doña Ana County, NMNM229,091374–

499Horry County, SCSC427,551374–

500St. Croix County, WIWI98,276374–

SHOWING 1–500 OF 2,624

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES

Frequently asked

Which county has the highest swiss population?

Lancaster County, Pennsylvania ranks #1 with 18,479 (2024 American Community Survey).

What are the top 5 counties by swiss population?

Lancaster County, Pennsylvania, Los Angeles County, California, Maricopa County, Arizona, King County, Washington, Dane County, Wisconsin.

How many counties are in this ranking?

2,624 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.

How is swiss population measured?

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