RANKING · 2010 CENSUS · 500 SHOWN OF 2,687

Highest Swiss population share, US counties · 2010

US counties ranked by the share of all residents who are Swiss ancestry (2023 American Community Survey). A concentration measure: Swiss residents as a percentage of total population. Green County, Wisconsin leads at 21.1%. 2,687 counties qualify in total. Wisconsin carries 5 of the top 25 entries.

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSWISS SHAREVS 2000

01Green County, WIWI37,22721.1%–

02Adams County, ININ36,65014.1%–

03Holmes County, OHOH44,97011.5%–

04LaGrange County, ININ41,30511.4%–

05Lafayette County, WIWI17,4789.4%–

06Bear Lake County, IDID6,7277.5%–

07Wayne County, OHOH116,7586.3%–

08Wells County, ININ28,8835.1%–

09Iowa County, WIWI23,9515.0%–

10Pawnee County, NENE2,5104.5%–

11Sioux County, NENE1,1884.3%–

12Sierra County, CACA3,0984.2%–

13Tuscarawas County, OHOH92,3734.2%–

14Teton County, IDID13,2544.2%–

15Nemaha County, KSKS10,0544.1%–

16Buffalo County, WIWI13,3184.0%–

17Clark County, WIWI35,0523.8%–

18Lancaster County, PAPA563,1593.7%–

19Lincoln County, WYWY21,1803.6%–

20Lyon County, IAIA12,3543.6%–

21Tillamook County, OROR27,3843.6%–

22Moniteau County, MOMO15,4283.5%–

23Scotland County, MOMO4,7963.4%–

24Wasatch County, UTUT38,5143.4%–

25Elkhart County, ININ208,7743.3%–

26Stevens County, MNMN9,7473.3%–

27Sherman County, KSKS5,7633.2%–

28Woodford County, ILIL38,1113.2%–

29Monroe County, OHOH12,9943.2%–

30Todd County, KYKY12,9723.1%–

31Stephenson County, ILIL43,2202.9%–

32Yates County, NYNY24,5472.8%–

33Morgan County, MOMO22,4182.7%–

34San Juan County, COCO8132.7%–

35Rich County, UTUT2,6872.7%–

36Boundary County, IDID13,9972.6%–

37Oldham County, TXTX1,7832.6%–

38Pierce County, NDND3,8382.5%–

39Juniata County, PAPA23,4032.5%–

40Washington County, IAIA22,6672.5%–

41Fremont County, IDID14,2082.5%–

42Clear Creek County, COCO8,9942.4%–

43Union County, PAPA42,3132.4%–

44Palo Alto County, IAIA8,8992.4%–

45Madison County, IDID55,1722.3%–

46Lewis County, NYNY26,4792.3%–

47Cache County, UTUT145,0002.3%–

48Pacific County, WAWA24,3572.3%–

49Rock County, NENE1,2592.3%–

50Wheeler County, OROR1,4722.3%–

51Teton County, MTMT6,4962.2%–

52Dane County, WIWI590,3752.2%–

53Fayette County, IAIA19,0472.1%–

54Andrew County, MOMO18,2412.1%–

55Snyder County, PAPA39,6552.1%–

56Clayton County, IAIA16,8452.1%–

57Harvey County, KSKS33,5802.1%–

58Harrisonburg, VAVA50,8392.1%–

59Caribou County, IDID7,2522.1%–

60Brown County, KSKS9,1042.1%–

61Wichita County, KSKS2,0312.1%–

62Davis County, IAIA9,2302.1%–

63Valley County, IDID12,8312.1%–

64Marshall County, KSKS9,8522.1%–

65Campbell County, SDSD1,3772.0%–

66Rockingham County, VAVA89,3162.0%–

67Platte County, WYWY8,6342.0%–

68Lebanon County, PAPA146,3802.0%–

69Rock County, WIWI166,4722.0%–

70Jewell County, KSKS2,8302.0%–

71Los Alamos County, NMNM19,4071.9%–

72Ashland County, OHOH52,5231.9%–

73Jay County, ININ20,1181.9%–

74Lincoln County, WIWI28,4031.9%–

75Allamakee County, IAIA14,2381.9%–

76Lincoln County, KSKS2,8611.9%–

77Fulton County, OHOH41,8531.9%–

78Stark County, OHOH373,7711.9%–

79Hayes County, NENE8211.9%–

80Merrick County, NENE7,9051.8%–

81Calhoun County, ARAR4,6321.8%–

82Livingston County, ILIL35,0571.8%–

83Beaverhead County, MTMT10,0431.8%–

84Cedar County, MOMO14,8881.8%–

85Kosciusko County, ININ80,8921.8%–

86Dade County, MOMO7,8041.8%–

87Putnam County, OHOH34,3801.8%–

88Greeley County, KSKS1,1821.8%–

89Grant County, WIWI52,4461.8%–

90Sauk County, WIWI66,6521.8%–

91Routt County, COCO25,3291.7%–

92Lake County, OROR8,1871.7%–

93Chase County, KSKS2,5721.7%–

94Washington County, UTUT213,6701.7%–

95Platte County, NENE35,6491.7%–

96Spink County, SDSD6,1551.7%–

97Knox County, OHOH64,0021.7%–

98Noxubee County, MSMS9,7981.7%–

99Johnson County, WYWY8,9081.7%–

100Perry County, ININ19,3891.7%–

101Lake County, SDSD10,9931.6%–

102Sanpete County, UTUT31,4531.6%–

103Sublette County, WYWY8,9291.6%–

104Wood County, WIWI74,0601.6%–

105Allen County, OHOH100,8811.6%–

106Elk County, PAPA29,9261.6%–

107Richardson County, NENE7,5301.6%–

108Geauga County, OHOH95,6761.6%–

109Columbia County, WIWI58,1321.6%–

110DeKalb County, ININ44,5351.6%–

111Rio Grande County, COCO11,0871.6%–

112Utah County, UTUT759,8591.6%–

113Whitley County, ININ35,0461.6%–

114Trinity County, CACA15,7201.6%–

115Pulaski County, ININ12,4631.6%–

116Carroll County, OHOH26,4751.5%–

117Taylor County, WIWI20,1181.5%–

118Park County, MTMT18,2141.5%–

119Garrett County, MDMD28,3701.5%–

120Iron County, UTUT67,1411.5%–

121Vernon County, WIWI31,4431.5%–

122Randolph County, WVWV26,8821.5%–

123Mifflin County, PAPA46,1271.5%–

124Logan County, OHOH46,3021.5%–

125Blaine County, NENE4581.5%–

126Roberts County, TXTX8671.5%–

127Marshall County, ININ46,5991.5%–

128Dodge County, MNMN21,3761.5%–

129Davis County, UTUT381,2271.5%–

130Washburn County, WIWI17,0871.4%–

131Moody County, SDSD6,6321.4%–

132Uintah County, UTUT38,2781.4%–

133Oscoda County, MIMI8,7231.4%–

134Wyandot County, OHOH21,5671.4%–

135Cheyenne County, KSKS2,6041.4%–

136McPherson County, NENE3691.4%–

137Iowa County, IAIA16,5041.4%–

138Grundy County, TNTN14,1161.4%–

139Parke County, ININ16,6421.4%–

140Dickinson County, KSKS18,6371.4%–

141Nance County, NENE3,2901.4%–

142Wahkiakum County, WAWA4,8731.4%–

143Webster County, MOMO43,0541.4%–

144Wheatland County, MTMT2,1001.4%–

145Franklin County, PAPA160,6521.4%–

146Richland County, ILIL15,2191.4%–

147Lewis County, TNTN13,4871.4%–

148Curry County, OROR22,6211.4%–

149Jo Daviess County, ILIL21,5941.4%–

150Madison County, MTMT10,0261.4%–

151Howard County, IAIA9,4151.4%–

152McCone County, MTMT1,7201.3%–

153Petroleum County, MTMT5481.3%–

154Big Horn County, WYWY12,0241.3%–

155Columbiana County, OHOH99,3771.3%–

156Decatur County, IAIA7,6551.3%–

157Custer County, COCO5,5901.3%–

158McPherson County, KSKS30,0641.3%–

159Richland County, WIWI17,0361.3%–

160Richland County, OHOH124,8931.3%–

161Henry County, OHOH27,5981.3%–

162Cooper County, MOMO17,1361.3%–

163Bond County, ILIL16,9591.3%–

164Hart County, KYKY20,1171.3%–

165Hancock County, OHOH75,0341.3%–

166Madison County, OHOH46,9851.3%–

167Polk County, NENE5,2701.3%–

168Barron County, WIWI46,4841.3%–

169Kidder County, NDND2,3931.3%–

170Douglas County, NVNV50,1111.3%–

171Bureau County, ILIL32,5101.3%–

172Cassia County, IDID26,3971.2%–

173Sheridan County, NENE4,8091.2%–

174Sawyer County, WIWI18,8461.2%–

175Greene County, ILIL11,3131.2%–

176Ouray County, COCO5,2651.2%–

177Hardin County, OHOH30,0721.2%–

178Daviess County, MOMO8,5581.2%–

179Eureka County, NVNV1,8671.2%–

180Grant County, NENE5611.2%–

181Osceola County, MIMI23,5161.2%–

182Sherman County, TXTX2,7811.2%–

183Paulding County, OHOH18,7271.2%–

184Box Elder County, UTUT65,3201.2%–

185Dickey County, NDND4,8951.2%–

186Custer County, IDID4,6361.2%–

187Benton County, OROR97,7281.2%–

188Chaffee County, COCO20,8311.2%–

189Van Buren County, IAIA7,1311.2%–

190Union County, OROR25,9001.2%–

191Oneida County, IDID5,0851.2%–

192Bannock County, IDID91,5911.2%–

193Anderson County, KSKS8,0181.2%–

194Jefferson County, MTMT13,3291.2%–

195Kittitas County, WAWA48,8031.2%–

196Republic County, KSKS4,6401.2%–

197Potter County, PAPA15,8971.2%–

198Antelope County, NENE6,3521.2%–

199Juab County, UTUT13,5671.2%–

200Daviess County, ININ34,2091.2%–

201Switzerland County, ININ10,0371.2%–

202Coshocton County, OHOH37,1881.1%–

203Bristol Bay, AKAK8471.1%–

204St. Joseph County, MIMI60,9681.1%–

205Bonner County, IDID54,4201.1%–

206Jones County, IAIA21,2531.1%–

207Greenwood County, KSKS5,8261.1%–

208Polk County, OROR90,0371.1%–

209Morris County, KSKS5,3481.1%–

210Jefferson County, IDID35,2971.1%–

211Billings County, NDND1,0711.1%–

212San Juan County, WAWA18,5771.1%–

213Franklin County, IDID15,8891.1%–

214Foster County, NDND3,2121.1%–

215Pepin County, WIWI7,5131.1%–

216Crawford County, WIWI15,9101.1%–

217Bingham County, IDID51,1531.1%–

218Washington County, IDID11,5831.1%–

219Howard County, ARAR12,3061.1%–

220Ness County, KSKS2,6171.1%–

221Stone County, ARAR12,7031.1%–

222Trempealeau County, WIWI31,1711.1%–

223Warren County, PAPA37,0381.1%–

224Rusk County, WIWI14,1461.1%–

225Beadle County, SDSD19,6241.1%–

226Marion County, KSKS11,6341.1%–

227Price County, WIWI13,9881.1%–

228Morgan County, OHOH13,6261.1%–

229Somerset County, PAPA72,0041.1%–

230Salt Lake County, UTUT1,220,9161.1%–

231Harney County, OROR7,3801.1%–

232Dodge County, WIWI89,0971.1%–

233Ellsworth County, KSKS6,2571.1%–

234Crook County, WYWY7,8521.1%–

235Bonneville County, IDID135,7711.1%–

236Linn County, OROR132,8431.1%–

237Hot Springs County, WYWY4,6001.1%–

238Duchesne County, UTUT20,8561.1%–

239Marion County, OROR355,7771.1%–

240Bayfield County, WIWI16,7871.1%–

241Seneca County, NYNY32,8831.1%–

242Denali, AKAK1,6161.0%–

243Custer County, SDSD9,4311.0%–

244Allen County, ININ402,3291.0%–

245Koochiching County, MNMN11,5871.0%–

246San Luis Obispo County, CACA282,3671.0%–

247Steuben County, ININ34,7991.0%–

248Nevada County, CACA101,9111.0%–

249Douglas County, ILIL19,8801.0%–

250Emmons County, NDND3,2151.0%–

251Marin County, CACA253,6941.0%–

252Franklin County, NENE2,7951.0%–

253Abbeville County, SCSC24,8361.0%–

254Storey County, NVNV4,2601.0%–

255Grant County, OROR7,0751.0%–

256Mitchell County, IAIA10,6501.0%–

257Cumberland County, KYKY5,9921.0%–

258Tooele County, UTUT87,4611.0%–

259Clackamas County, OROR426,2801.0%–

260Tazewell County, ILIL130,0491.0%–

261Medina County, OHOH185,0251.0%–

262Conejos County, COCO7,5291.0%–

263Chase County, NENE3,7181.0%–

264Goodhue County, MNMN48,1951.0%–

265Lincoln County, OROR50,6361.0%–

266Ravalli County, MTMT48,5821.0%–

267Sherman County, OROR2,0511.0%–

268Meagher County, MTMT2,1371.0%–

269Juneau County, WIWI26,6491.0%–

270La Crosse County, WIWI121,3391.0%–

271Washington County, WIWI139,2381.0%–

272Wabasha County, MNMN21,5371.0%–

273La Plata County, COCO56,8981.0%–

274Wallace County, KSKS1,4411.0%–

275Ottawa County, OHOH39,4811.0%–

276Doniphan County, KSKS7,5941.0%–

277Flathead County, MTMT115,4291.0%–

278Pierce County, WIWI43,5191.0%–

279Macon County, MOMO15,1901.0%–

280Mono County, CACA12,5051.0%–

281Harding County, SDSD1,3311.0%–

282Humboldt County, CACA131,6471.0%–

283Cheyenne County, COCO1,7131.0%–

284Oneida County, WIWI38,1311.0%–

285Eau Claire County, WIWI109,0331.0%–

286Cuming County, NENE8,8231.0%–

287Grant County, WVWV11,0410.9%–

288Dubuque County, IAIA99,3810.9%–

289Loup County, NENE5700.9%–

290Latah County, IDID41,8420.9%–

291Hamlin County, SDSD6,9000.9%–

292Wibaux County, MTMT8850.9%–

293Lewis County, WAWA88,0620.9%–

294Crawford County, ILIL18,6480.9%–

295Benewah County, IDID10,5080.9%–

296Marquette County, WIWI15,9270.9%–

297Ferry County, WAWA7,5170.9%–

298Jefferson County, WIWI86,5050.9%–

299Sanders County, MTMT14,0620.9%–

300Houston County, MNMN18,4000.9%–

301Grant County, NDND2,2060.9%–

302Marathon County, WIWI139,4320.9%–

303Vilas County, WIWI23,7610.9%–

304Wayne County, NYNY91,2500.9%–

305Union County, ILIL16,6560.9%–

306Sonoma County, CACA486,4440.9%–

307Franklin County, ARAR17,7250.9%–

308Adams County, OHOH27,8650.9%–

309Cumberland County, PAPA277,2700.9%–

310Barton County, MOMO11,7950.9%–

311Bedford County, PAPA47,4800.9%–

312Chickasaw County, IAIA11,6630.9%–

313Waukesha County, WIWI417,2100.9%–

314Yamhill County, OROR110,0240.9%–

315Reno County, KSKS61,5390.9%–

316Columbia County, OROR54,0910.9%–

317Smith County, KSKS3,5660.9%–

318Falls Church, VAVA15,1590.9%–

319El Dorado County, CACA192,3230.9%–

320Union County, OHOH73,4460.9%–

321Buena Vista, VAVA6,6720.9%–

322Rawlins County, KSKS2,4310.9%–

323Barnes County, NDND10,5730.9%–

324Mineral County, COCO9100.9%–

325Buchanan County, MOMO83,5400.9%–

326Washington County, OROR611,7080.9%–

327Norton County, KSKS5,2880.9%–

328Crawford County, PAPA81,7920.9%–

329Osborne County, KSKS3,2850.9%–

330Dickinson County, IAIA18,0770.9%–

331Dunn County, WIWI46,2230.9%–

332Emmet County, MIMI33,7750.9%–

333Jefferson County, WAWA33,9700.9%–

334Kossuth County, IAIA14,3220.9%–

335Uinta County, WYWY20,7280.9%–

336Peoria County, ILIL178,5530.9%–

337Kearny County, KSKS3,8880.9%–

338Auglaize County, OHOH45,9090.9%–

339Eddy County, NDND2,3290.9%–

340Douglas County, SDSD2,8880.9%–

341Carter County, MTMT1,3830.9%–

342Idaho County, IDID17,8740.9%–

343Nuckolls County, NENE4,1000.9%–

344Carbon County, MTMT11,4660.9%–

345Alpine County, CACA1,0430.9%–

346Manassas Park, VAVA16,5600.8%–

347Green Lake County, WIWI19,3050.8%–

348Richland County, MTMT11,3770.8%–

349Weber County, UTUT278,1740.8%–

350Woodson County, KSKS3,1180.8%–

351Park County, WYWY31,1710.8%–

352Furnas County, NENE4,5240.8%–

353Stevens County, WAWA49,6680.8%–

354Adams County, WIWI21,7520.8%–

355Conway County, ARAR21,3930.8%–

356Laurel County, KYKY63,7460.8%–

357Appanoose County, IAIA12,0770.8%–

358Skamania County, WAWA12,6690.8%–

359Jefferson County, OROR25,7400.8%–

360Colusa County, CACA21,8360.8%–

361Taylor County, KYKY26,7630.8%–

362Seneca County, OHOH54,5220.8%–

363Turner County, SDSD9,3140.8%–

364Webster County, NENE3,3360.8%–

365Walworth County, WIWI106,1270.8%–

366Kewaunee County, WIWI20,7580.8%–

367Garfield County, UTUT5,2560.8%–

368Washington County, KSKS5,5330.8%–

369Larimer County, COCO377,2920.8%–

370Camden County, MOMO44,0470.8%–

371Sheridan County, WYWY33,2410.8%–

372Yell County, ARAR19,9560.8%–

373Chippewa County, WIWI67,6140.8%–

374Schuyler County, NYNY16,9240.8%–

375Multnomah County, OROR795,3910.8%–

376Pamlico County, NCNC12,7580.8%–

377Polk County, ARAR19,4860.8%–

378Deschutes County, OROR213,0720.8%–

379Ozaukee County, WIWI94,3460.8%–

380Minidoka County, IDID22,9110.8%–

381Clallam County, WAWA78,2020.8%–

382Gallatin County, MTMT128,7400.8%–

383Carroll County, ILIL15,4190.8%–

384Ford County, ILIL13,2160.8%–

385Kiowa County, KSKS2,4320.8%–

386Washington County, MNMN286,8950.8%–

387Casey County, KYKY16,2050.8%–

388Ashland County, WIWI16,2030.8%–

389Dubois County, ININ44,0160.8%–

390Fillmore County, MNMN21,5400.8%–

391Morrow County, OHOH36,3050.8%–

392Wood County, OHOH134,1760.8%–

393Jefferson County, ININ33,2790.8%–

394Howard County, NENE6,5380.8%–

395Van Wert County, OHOH29,0130.8%–

396Trego County, KSKS2,7400.8%–

397Miller County, MOMO25,8170.8%–

398Elko County, NVNV54,8150.8%–

399Pierce County, NENE7,3780.8%–

400Island County, WAWA85,6570.8%–

401Mineral County, MTMT5,1850.8%–

402Bottineau County, NDND6,2840.8%–

403Clinton County, PAPA37,8700.8%–

404Defiance County, OHOH38,2920.8%–

405Jerome County, IDID26,3620.8%–

406Sanborn County, SDSD2,3880.8%–

407Rio Blanco County, COCO6,6830.8%–

408Lane County, KSKS1,5080.8%–

409Sweet Grass County, MTMT3,7620.8%–

410Walla Walla County, WAWA62,3610.8%–

411Winkler County, TXTX7,5400.8%–

412Monterey County, CACA433,7290.7%–

413Sevier County, UTUT22,8270.7%–

414Iroquois County, ILIL26,1500.7%–

415Moultrie County, ILIL14,3710.7%–

416Douglas County, KSKS120,9200.7%–

417Lucas County, IAIA8,8470.7%–

418Nottoway County, VAVA15,7960.7%–

419Berks County, PAPA440,0720.7%–

420Plumas County, CACA18,5830.7%–

421Albany County, WYWY38,5580.7%–

422Pend Oreille County, WAWA14,4570.7%–

423Park County, COCO18,3140.7%–

424Towner County, NDND2,0400.7%–

425Kimball County, NENE3,3910.7%–

426Clay County, NENE6,1700.7%–

427Leavenworth County, KSKS84,5900.7%–

428Williams County, OHOH36,5490.7%–

429Dallas County, IAIA118,4570.7%–

430Monroe County, ILIL34,8400.7%–

431Lake County, MTMT33,3920.7%–

432Butte County, CACA209,2110.7%–

433Monroe County, WIWI46,5720.7%–

434Winona County, MNMN50,5230.7%–

435Brule County, SDSD5,2780.7%–

436McLean County, ILIL171,4190.7%–

437Hutchinson County, SDSD7,4130.7%–

438Missoula County, MTMT123,5130.7%–

439Golden Valley County, NDND1,8080.7%–

440St. Croix County, WIWI98,2760.7%–

441Deuel County, NENE1,8620.7%–

442Humboldt County, NVNV17,2670.7%–

443Live Oak County, TXTX11,9290.7%–

444Sullivan County, PAPA5,8560.7%–

445Brown County, MNMN25,5170.7%–

446Montour County, PAPA17,8680.7%–

447Morgan County, UTUT13,3830.7%–

448Waupaca County, WIWI51,4610.7%–

449Eagle County, COCO54,2910.7%–

450Treasure County, MTMT7280.7%–

451Thurston County, WAWA304,2610.7%–

452Story County, IAIA101,2910.7%–

453Josephine County, OROR87,8670.7%–

454Nemaha County, NENE7,1020.7%–

455Linn County, IAIA232,0280.7%–

456Adams County, IAIA3,6170.7%–

457Tuolumne County, CACA53,1600.7%–

458Wasco County, OROR26,3100.7%–

459Mills County, TXTX4,5800.7%–

460Jefferson County, WVWV63,1020.7%–

461Gage County, NENE21,7110.7%–

462Wallowa County, OROR7,5950.7%–

463Harlan County, NENE3,0000.7%–

464Gilliam County, OROR1,9710.7%–

465Custer County, MTMT12,0340.7%–

466Johnson County, KSKS636,9060.7%–

467Iron County, WIWI6,1270.7%–

468Grant County, SDSD7,5340.7%–

469Wayne County, NENE10,0200.7%–

470Gunnison County, COCO17,4390.7%–

471Grundy County, MOMO9,7440.7%–

472Winnebago County, WIWI174,2180.7%–

473Labette County, KSKS19,6850.7%–

474Delaware County, IAIA17,6740.7%–

475Wetzel County, WVWV13,7340.7%–

476Clark County, WAWA532,1190.7%–

477Skagit County, WAWA132,9750.7%–

478Nodaway County, MOMO20,1740.7%–

479Payette County, IDID27,8240.7%–

480Jackson County, KSKS13,4380.7%–

481Ada County, IDID546,1410.7%–

482Oneida County, NYNY226,3920.7%–

483Sully County, SDSD1,4790.7%–

484Owen County, KYKY11,6010.7%–

485Portage County, OHOH163,4040.7%–

486Napa County, CACA132,9490.7%–

487Amador County, CACA41,8760.7%–

488Keya Paha County, NENE7920.7%–

489Gem County, IDID21,7730.7%–

490Worcester County, MDMD54,4590.7%–

491Doddridge County, WVWV7,6340.7%–

492Clinton County, ILIL37,1280.7%–

493Real County, TXTX2,7450.7%–

494Johnson County, IAIA160,0440.7%–

495Centre County, PAPA157,3930.7%–

496Archuleta County, COCO14,3060.7%–

497Sarasota County, FLFL479,9580.7%–

498Mayes County, OKOK40,4160.7%–

499Piute County, UTUT1,5090.7%–

500Douglas County, COCO399,3960.7%–

SHOWING 1–500 OF 2,687

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Download CSV (full list, 2,687 rows)

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

Frequently asked

Which county has the highest swiss share?

Green County, Wisconsin ranks #1 with 21.1% (2010 American Community Survey).

What are the top 5 counties by swiss share?

Green County, Wisconsin, Adams County, Indiana, Holmes County, Ohio, LaGrange County, Indiana, Lafayette County, Wisconsin.

How many counties are in this ranking?

2,687 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 ACS 5-year data.

How is swiss share measured?

Share of all residents who are Swiss ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2010).