RANKING · 2020 CENSUS · 500 SHOWN OF 2,998

Highest Welsh population share, US counties · 2020

US counties ranked by the share of all residents who are Welsh ancestry (2023 American Community Survey). A concentration measure: Welsh residents as a percentage of total population. Oneida County, Idaho leads at 14.6%. 2,998 counties qualify in total. Pennsylvania carries 5 of the top 25 entries.

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPWELSH SHAREVS 2000

01Oneida County, IDID5,08514.6%–

02Amelia County, VAVA13,6326.1%–

03Wyoming County, PAPA25,7905.2%–

04Harper County, OKOK3,1725.0%–

05Lackawanna County, PAPA216,5024.7%–

06Jackson County, OHOH32,8174.0%–

07Roberts County, TXTX8674.0%–

08Susquehanna County, PAPA38,2373.9%–

09Luzerne County, PAPA332,1263.9%–

10Haakon County, SDSD1,8023.8%–

11Clark County, IDID7833.4%–

12Wahkiakum County, WAWA4,8733.4%–

13Butte County, IDID2,7833.4%–

14Sublette County, WYWY8,9293.3%–

15Franklin County, IDID15,8893.3%–

16Hinsdale County, COCO7533.2%–

17Garfield County, UTUT5,2563.2%–

18Piute County, UTUT1,5093.2%–

19Storey County, NVNV4,2603.1%–

20Montour County, PAPA17,8683.0%–

21Dawson County, MTMT8,6923.0%–

22Keokuk County, IAIA9,7973.0%–

23Hartley County, TXTX4,9043.0%–

24Hardy County, WVWV14,3372.9%–

25Sierra County, CACA3,0982.9%–

26Valley County, IDID12,8312.8%–

27Bear Lake County, IDID6,7272.8%–

28Moffat County, COCO13,1222.8%–

29Iron County, UTUT67,1412.8%–

30Sanpete County, UTUT31,4532.6%–

31Cache County, UTUT145,0002.6%–

32Tioga County, PAPA40,5022.6%–

33Gilpin County, COCO6,0732.6%–

34San Juan County, UTUT14,5422.5%–

35Liberty County, MTMT1,9572.5%–

36Weston County, WYWY6,8402.5%–

37Madison County, MTMT10,0262.5%–

38Bannock County, IDID91,5912.5%–

39Schuylkill County, PAPA145,0852.5%–

40Beaver County, UTUT7,3012.4%–

41Brown County, NENE2,8262.4%–

42Jefferson County, IDID35,2972.4%–

43Tooele County, UTUT87,4612.4%–

44Doddridge County, WVWV7,6342.4%–

45Avery County, NCNC18,1102.4%–

46Park County, COCO18,3142.4%–

47Uinta County, WYWY20,7282.4%–

48Morris County, KSKS5,3482.3%–

49Madison County, NYNY67,1202.3%–

50Mono County, CACA12,5052.3%–

51Larue County, KYKY15,1842.3%–

52Box Elder County, UTUT65,3202.3%–

53Herkimer County, NYNY59,2192.3%–

54Utah County, UTUT759,8592.3%–

55Coffey County, KSKS8,4672.3%–

56Morrow County, OHOH36,3052.2%–

57Sheridan County, NENE4,8092.2%–

58Meagher County, MTMT2,1372.2%–

59Carbon County, UTUT20,6802.2%–

60Oneida County, NYNY226,3922.2%–

61Banner County, NENE6862.2%–

62Mahoning County, OHOH224,7062.2%–

63Madison County, IDID55,1722.2%–

64Millard County, UTUT14,0572.1%–

65Mineral County, COCO9102.1%–

66Wasatch County, UTUT38,5142.1%–

67Izard County, ARAR14,4052.1%–

68Tioga County, NYNY47,4532.1%–

69Bennington County, VTVT36,6302.1%–

70Rutland County, VTVT59,6532.1%–

71Columbia County, PAPA66,1932.0%–

72Wayne County, PAPA51,7032.0%–

73Sioux County, NENE1,1882.0%–

74Bonneville County, IDID135,7712.0%–

75Borden County, TXTX5672.0%–

76Emery County, UTUT10,1772.0%–

77Mercer County, PAPA107,8602.0%–

78Morgan County, UTUT13,3832.0%–

79Lexington, VAVA7,7692.0%–

80Hancock County, WVWV27,7292.0%–

81Brooke County, WVWV21,1422.0%–

82Lincoln County, NVNV4,3201.9%–

83Ferry County, WAWA7,5171.9%–

84Meigs County, OHOH21,5871.9%–

85Van Wert County, OHOH29,0131.9%–

86Wallowa County, OROR7,5951.9%–

87Davis County, UTUT381,2271.8%–

88Chenango County, NYNY45,7151.8%–

89Carbon County, PAPA65,8681.8%–

90Gallia County, OHOH29,0721.8%–

91Keya Paha County, NENE7921.8%–

92Gray County, KSKS5,6521.8%–

93Delaware County, OHOH242,0321.8%–

94Louisa County, IAIA10,4161.8%–

95Vernon County, MOMO19,9461.8%–

96Bryan County, GAGA52,0621.8%–

97Sullivan County, PAPA5,8561.8%–

98Overton County, TNTN23,7871.8%–

99Washington County, NYNY59,3531.8%–

100Lincoln County, MEME36,5951.8%–

101Miami County, KSKS36,2401.8%–

102Custer County, IDID4,6361.8%–

103Lawrence County, PAPA83,9111.8%–

104Mathews County, VAVA8,5291.7%–

105Jackson County, KSKS13,4381.7%–

106Bradford County, PAPA59,6001.7%–

107Greeley County, NENE2,1541.7%–

108Columbiana County, OHOH99,3771.7%–

109Searcy County, ARAR7,8481.7%–

110Fairfield County, OHOH169,7521.7%–

111Weber County, UTUT278,1741.7%–

112Sierra County, NMNM11,3951.7%–

113Graham County, KSKS2,3711.7%–

114Juab County, UTUT13,5671.7%–

115Salt Lake County, UTUT1,220,9161.7%–

116San Juan County, WAWA18,5771.7%–

117Kootenai County, IDID191,8641.7%–

118Saline County, KSKS53,3771.7%–

119Robertson County, KYKY2,3251.7%–

120Sanders County, MTMT14,0621.7%–

121Licking County, OHOH185,5641.7%–

122Cassia County, IDID26,3971.7%–

123Greenup County, KYKY35,2131.7%–

124Klickitat County, WAWA24,3311.7%–

125Esmeralda County, NVNV7291.7%–

126Columbia County, OROR54,0911.7%–

127Kittitas County, WAWA48,8031.6%–

128Fall River County, SDSD7,4671.6%–

129Madison County, IAIA17,2701.6%–

130Sagadahoc County, MEME37,9791.6%–

131Hancock County, TNTN7,0751.6%–

132Washington County, UTUT213,6701.6%–

133Gilmer County, GAGA33,8941.6%–

134Inyo County, CACA18,1581.6%–

135Garfield County, MTMT1,1481.6%–

136Duchesne County, UTUT20,8561.6%–

137Kingfisher County, OKOK15,7951.6%–

138Loup County, NENE5701.6%–

139Lincoln County, WYWY21,1801.6%–

140Salem, VAVA25,8161.6%–

141Louisa County, VAVA42,9241.6%–

142Northampton County, PAPA324,4111.6%–

143Tuscarawas County, OHOH92,3731.6%–

144Rich County, UTUT2,6871.6%–

145Custer County, MTMT12,0341.6%–

146Somerset County, PAPA72,0041.6%–

147Kent County, MDMD19,5651.6%–

148Chester County, PAPA557,1161.6%–

149Iowa County, IAIA16,5041.6%–

150Hardin County, OHOH30,0721.6%–

151Dare County, NCNC38,2451.6%–

152Fluvanna County, VAVA28,9751.5%–

153Yuma County, COCO9,8961.5%–

154Allegany County, MDMD66,8481.5%–

155Carter County, KYKY26,1491.5%–

156Trumbull County, OHOH198,9721.5%–

157Osage County, KSKS15,6931.5%–

158Lewis and Clark County, MTMT75,3311.5%–

159Natrona County, WYWY80,5261.5%–

160Hot Springs County, WYWY4,6001.5%–

161Green Lake County, WIWI19,3051.5%–

162Stark County, OHOH373,7711.5%–

163Hemphill County, TXTX3,0831.5%–

164Ashland County, OHOH52,5231.5%–

165Dade County, MOMO7,8041.5%–

166Cumberland County, PAPA277,2701.5%–

167Beaver County, PAPA166,0321.5%–

168Schuyler County, NYNY16,9241.5%–

169Broome County, NYNY195,7361.5%–

170Nicollet County, MNMN34,2731.5%–

171Camp County, TXTX13,3801.5%–

172Deer Lodge County, MTMT9,7091.5%–

173Knox County, MEME41,1171.5%–

174Lander County, NVNV5,8721.5%–

175Clay County, NCNC12,2391.5%–

176Fremont County, WYWY39,4641.5%–

177Union County, PAPA42,3131.5%–

178Monroe County, IAIA7,4061.5%–

179Boise County, IDID8,5451.5%–

180Lemhi County, IDID8,4741.5%–

181Kane County, UTUT8,5971.4%–

182Anderson County, TNTN82,0661.4%–

183Dent County, MOMO14,5841.4%–

184Trinity County, CACA15,7201.4%–

185Lampasas County, TXTX23,6571.4%–

186Sabine County, TXTX10,0121.4%–

187Lewis County, IDID3,7041.4%–

188Clatsop County, OROR40,9261.4%–

189Tompkins County, NYNY104,0471.4%–

190Grand County, UTUT9,7901.4%–

191Douglas County, OROR111,9511.4%–

192Cambria County, PAPA128,9681.4%–

193Mahaska County, IAIA21,8801.4%–

194Deuel County, SDSD4,4081.4%–

195Piatt County, ILIL16,7911.4%–

196Haines, AKAK2,0681.4%–

197Indiana County, PAPA82,8781.4%–

198Talbot County, MDMD38,2381.4%–

199Tuolumne County, CACA53,1601.4%–

200Randolph County, WVWV26,8821.4%–

201Perkins County, SDSD2,8531.4%–

202Chugach Census Area, AKAK6,5531.4%–

203Bedford County, VAVA83,0591.4%–

204Lyon County, KSKS32,2661.4%–

205Sweet Grass County, MTMT3,7621.4%–

206Archuleta County, COCO14,3061.4%–

207Greene County, ININ31,1651.4%–

208Chase County, KSKS2,5721.4%–

209Jefferson County, KSKS18,2961.4%–

210Portage County, OHOH163,4041.4%–

211Union County, OHOH73,4461.4%–

212Plumas County, CACA18,5831.4%–

213Ada County, IDID546,1411.4%–

214Towner County, NDND2,0401.4%–

215Howell County, MOMO40,7981.4%–

216Gunnison County, COCO17,4391.4%–

217Douglas County, WAWA46,4731.4%–

218Grand County, COCO16,4961.4%–

219Warren County, PAPA37,0381.4%–

220Ravalli County, MTMT48,5821.4%–

221Leelanau County, MIMI22,9821.4%–

222Silver Bow County, MTMT36,1181.4%–

223Lake County, OROR8,1871.4%–

224Cottle County, TXTX1,2241.4%–

225Beaverhead County, MTMT10,0431.4%–

226Pickens County, GAGA37,1671.3%–

227Hooker County, NENE6861.3%–

228Lewis County, WAWA88,0621.3%–

229Jefferson County, WAWA33,9701.3%–

230Washington County, PAPA210,8021.3%–

231Mineral County, MTMT5,1851.3%–

232Marshall County, KSKS9,8521.3%–

233Highland County, VAVA2,3181.3%–

234Broadwater County, MTMT8,4931.3%–

235Cecil County, MDMD107,1311.3%–

236Knox County, OHOH64,0021.3%–

237Franklin County, NENE2,7951.3%–

238Northumberland County, PAPA89,9201.3%–

239Lehigh County, PAPA384,3831.3%–

240Logan County, OHOH46,3021.3%–

241Clay County, ALAL14,2071.3%–

242Chemung County, NYNY80,4151.3%–

243Potter County, SDSD2,3771.3%–

244Harrison County, WVWV64,2211.3%–

245Pend Oreille County, WAWA14,4571.3%–

246Fremont County, IAIA6,5221.3%–

247King and Queen County, VAVA6,7431.3%–

248Morton County, KSKS2,4701.3%–

249Malheur County, OROR32,2611.3%–

250Jerome County, IDID26,3621.3%–

251Garrett County, MDMD28,3701.3%–

252Skagit County, WAWA132,9751.3%–

253Stillwater County, MTMT9,4451.3%–

254Polk County, ARAR19,4861.3%–

255Orange County, VTVT30,0021.3%–

256Dolores County, COCO2,4661.3%–

257Island County, WAWA85,6571.3%–

258Berks County, PAPA440,0721.3%–

259Allen County, OHOH100,8811.3%–

260Monongalia County, WVWV107,9911.3%–

261Florence County, WIWI4,7481.3%–

262Scioto County, OHOH71,3651.3%–

263Vinton County, OHOH12,6451.2%–

264Delaware County, NYNY44,3051.2%–

265Clearwater County, IDID9,1181.2%–

266Crawford County, OHOH41,8961.2%–

267Sweetwater County, WYWY41,2671.2%–

268Marion County, IAIA34,1921.2%–

269Sevier County, UTUT22,8271.2%–

270Chouteau County, MTMT5,8651.2%–

271Franklin County, OHOH1,361,5361.2%–

272Carroll County, ARAR29,2631.2%–

273Clallam County, WAWA78,2021.2%–

274Mackinac County, MIMI11,2361.2%–

275Bingham County, IDID51,1531.2%–

276Venango County, PAPA49,3461.2%–

277Kitsap County, WAWA283,3741.2%–

278Benton County, OROR97,7281.2%–

279Blue Earth County, MNMN70,6341.2%–

280Carroll County, NHNH52,7841.2%–

281Wayne County, UTUT2,5871.2%–

282Winchester, VAVA28,2721.2%–

283Boulder County, COCO328,5601.2%–

284Watauga County, NCNC54,7861.2%–

285Appling County, GAGA19,1001.2%–

286Saline County, ILIL22,7721.2%–

287Kingman County, KSKS7,0291.2%–

288Summit County, OHOH538,3761.2%–

289Harrison County, OHOH14,0701.2%–

290Johnson County, WYWY8,9081.2%–

291Cherokee County, KSKS19,1051.2%–

292Twin Falls County, IDID97,5391.2%–

293Clearfield County, PAPA78,1001.2%–

294Los Alamos County, NMNM19,4071.2%–

295La Plata County, COCO56,8981.2%–

296Fulton County, ININ20,0911.2%–

297Rawlins County, KSKS2,4311.2%–

298Union County, OROR25,9001.2%–

299Stevens County, WAWA49,6681.2%–

300Bond County, ILIL16,9591.2%–

301Otoe County, NENE16,5311.2%–

302Larimer County, COCO377,2921.2%–

303Pike County, OHOH27,0611.2%–

304Adams County, IDID5,0131.2%–

305Williamson County, TNTN272,0611.2%–

306Dade County, GAGA16,1541.2%–

307Marion County, WVWV55,5841.2%–

308Monroe County, PAPA167,1791.2%–

309Medina County, OHOH185,0251.2%–

310Wichita County, KSKS2,0311.2%–

311Potter County, PAPA15,8971.2%–

312Bibb County, ALAL22,2621.2%–

313Banks County, GAGA21,2731.2%–

314Ketchikan Gateway, AKAK13,5491.2%–

315Hamblen County, TNTN68,8431.2%–

316Granite County, MTMT3,6581.2%–

317Douglas County, NVNV50,1111.2%–

318Montgomery County, ILIL28,0761.2%–

319Shenandoah County, VAVA45,8391.2%–

320Boone County, ARAR38,6281.2%–

321Platte County, NENE35,6491.2%–

322Towns County, GAGA13,2851.2%–

323Nantucket County, MAMA14,7581.2%–

324Sumter County, FLFL157,7721.2%–

325Walla Walla County, WAWA62,3611.2%–

326Craig County, VAVA4,8001.2%–

327Warren County, ININ8,4741.2%–

328McPherson County, KSKS30,0641.2%–

329Sitka, AKAK8,3191.2%–

330Benton County, WAWA221,7221.2%–

331Lewis County, KYKY12,9011.2%–

332Owen County, KYKY11,6011.2%–

333Berkeley County, WVWV139,5221.2%–

334Summit County, UTUT43,1411.2%–

335Crowley County, COCO5,6771.2%–

336Williamsburg, VAVA15,8611.1%–

337Lane County, OROR381,5841.1%–

338Rensselaer County, NYNY160,5101.1%–

339Stonewall County, TXTX1,1861.1%–

340Nez Perce County, IDID42,9051.1%–

341Humboldt County, CACA131,6471.1%–

342Mason County, TXTX3,9901.1%–

343Washington County, OHOH58,3891.1%–

344Cascade County, MTMT85,0291.1%–

345Powell County, MTMT7,1571.1%–

346Franklin County, PAPA160,6521.1%–

347Cumberland County, MEME317,2221.1%–

348Elk County, KSKS2,4581.1%–

349Gilchrist County, FLFL20,4881.1%–

350Rutherford County, NCNC65,7451.1%–

351Mineral County, WVWV26,7921.1%–

352Spokane County, WAWA558,3441.1%–

353Grant County, OROR7,0751.1%–

354Lewis County, NYNY26,4791.1%–

355Lincoln County, OROR50,6361.1%–

356Benzie County, MIMI18,5681.1%–

357Upshur County, WVWV23,7581.1%–

358Okanogan County, WAWA45,2301.1%–

359Jasper County, MOMO127,4281.1%–

360Barton County, MOMO11,7951.1%–

361Centre County, PAPA157,3931.1%–

362Perry County, ILIL20,1601.1%–

363Mariposa County, CACA16,9181.1%–

364Allegheny County, PAPA1,225,0351.1%–

365Bonner County, IDID54,4201.1%–

366Clackamas County, OROR426,2801.1%–

367Jefferson County, OHOH63,5971.1%–

368Union County, IAIA11,8291.1%–

369Douglas County, KSKS120,9201.1%–

370Uintah County, UTUT38,2781.1%–

371Ellis County, OKOK3,6131.1%–

372Winston County, ALAL23,8291.1%–

373Hamilton County, ILIL7,8591.1%–

374Anderson County, KSKS8,0181.1%–

375Cortland County, NYNY45,8501.1%–

376Brown County, ININ15,7771.1%–

377Macon County, TNTN27,6631.1%–

378Crawford County, MIMI13,7221.1%–

379Mesa County, COCO162,8451.1%–

380Crawford County, PAPA81,7921.1%–

381Washington County, VTVT59,6521.1%–

382Lancaster County, PAPA563,1591.1%–

383Eagle County, COCO54,2911.1%–

384Hancock County, OHOH75,0341.1%–

385St. Clair County, ALAL98,2061.1%–

386Harney County, OROR7,3801.1%–

387Ohio County, WVWV40,4961.1%–

388Delta County, COCO32,1781.1%–

389Manassas Park, VAVA16,5601.1%–

390Fremont County, IDID14,2081.1%–

391Greene County, OHOH174,3221.1%–

392Boone County, MOMO191,7461.1%–

393Fayette County, KYKY329,7511.1%–

394King William County, VAVA19,6171.1%–

395Coconino County, AZAZ144,3681.1%–

396Henderson County, ILIL5,9841.1%–

397Walworth County, SDSD5,2171.1%–

398Ritchie County, WVWV8,0341.1%–

399Cape May County, NJNJ93,3901.1%–

400Geauga County, OHOH95,6761.1%–

401De Soto Parish, LALA27,3811.1%–

402Auglaize County, OHOH45,9091.1%–

403Cabell County, WVWV91,1831.1%–

404Elmore County, IDID29,4651.1%–

405Greene County, MOMO309,2861.1%–

406Phillips County, COCO4,4201.1%–

407Park County, WYWY31,1711.1%–

408Big Horn County, WYWY12,0241.1%–

409Carbon County, MTMT11,4661.1%–

410Ness County, KSKS2,6171.1%–

411Washington County, IDID11,5831.1%–

412Carbon County, WYWY14,0131.1%–

413Gloucester County, VAVA40,0971.1%–

414Calaveras County, CACA46,6051.1%–

415Iowa County, WIWI23,9511.1%–

416Caribou County, IDID7,2521.1%–

417Dawson County, GAGA35,3651.1%–

418Deschutes County, OROR213,0721.1%–

419Brown County, OHOH44,3971.1%–

420Bourbon County, KYKY20,2431.1%–

421Franklin County, TXTX10,9941.0%–

422Gallatin County, MTMT128,7401.0%–

423Marion County, ARAR17,5931.0%–

424Wood County, OHOH134,1761.0%–

425Multnomah County, OROR795,3911.0%–

426Jefferson County, COCO580,4511.0%–

427Hale County, ALAL15,1941.0%–

428Lycoming County, PAPA112,5871.0%–

429Orange County, NCNC152,4981.0%–

430Moore County, NCNC110,6191.0%–

431Chambers County, TXTX57,5941.0%–

432Coal County, OKOK5,4361.0%–

433El Dorado County, CACA192,3231.0%–

434Caldwell County, MOMO9,0121.0%–

435Rowan County, KYKY24,4761.0%–

436Johnson County, KSKS636,9061.0%–

437Roane County, WVWV13,3171.0%–

438Muskingum County, OHOH87,0141.0%–

439Darke County, OHOH51,5201.0%–

440Highland County, OHOH43,8231.0%–

441Archer County, TXTX9,1291.0%–

442Morgan County, WVWV18,0271.0%–

443Salem County, NJNJ66,2801.0%–

444James City County, VAVA83,3261.0%–

445Vigo County, ININ106,5121.0%–

446Warren County, MOMO39,0161.0%–

447Cass County, IAIA12,9601.0%–

448Penobscot County, MEME157,9671.0%–

449Mason County, WAWA71,1651.0%–

450Scott County, KYKY62,2621.0%–

451Lake County, SDSD10,9931.0%–

452Bedford County, PAPA47,4801.0%–

453Hamilton County, NENE9,6781.0%–

454Lake County, CACA67,7721.0%–

455Converse County, WYWY13,8241.0%–

456Ross County, OHOH76,4291.0%–

457Morgan County, KYKY14,4151.0%–

458Yavapai County, AZAZ252,5521.0%–

459Miami County, OHOH112,6341.0%–

460Oswego County, NYNY118,5691.0%–

461Mifflin County, PAPA46,1271.0%–

462Knox County, MOMO3,7281.0%–

463Jasper County, IAIA38,1531.0%–

464White County, GAGA29,8021.0%–

465Putnam County, OHOH34,3801.0%–

466Jackson County, WIWI20,9991.0%–

467Jefferson County, WVWV63,1021.0%–

468Braxton County, WVWV11,8851.0%–

469Paulding County, OHOH18,7271.0%–

470Jefferson County, PAPA43,2551.0%–

471Cheyenne County, COCO1,7131.0%–

472Clinton County, MOMO21,6611.0%–

473Crook County, WYWY7,8521.0%–

474Toole County, MTMT5,2111.0%–

475Mason County, WVWV24,7071.0%–

476Washington County, IAIA22,6671.0%–

477Butler County, PAPA200,1691.0%–

478Lucas County, IAIA8,8471.0%–

479Clermont County, OHOH216,9771.0%–

480Klamath County, OROR70,2741.0%–

481Brown County, KSKS9,1041.0%–

482Comal County, TXTX209,1661.0%–

483Westmoreland County, PAPA349,3241.0%–

484Sussex County, DEDE277,1401.0%–

485Transylvania County, NCNC34,2111.0%–

486Bucks County, PAPA647,8281.0%–

487Frontier County, NENE2,6551.0%–

488Gila County, AZAZ53,8011.0%–

489Decatur County, TNTN11,8201.0%–

490Caledonia County, VTVT30,4141.0%–

491Hocking County, OHOH27,5121.0%–

492Teton County, IDID13,2541.0%–

493Charlevoix County, MIMI26,0361.0%–

494York County, PAPA473,1971.0%–

495Morgan County, TNTN22,1601.0%–

496Greene County, VAVA21,9581.0%–

497Golden Valley County, MTMT8441.0%–

498Snyder County, PAPA39,6551.0%–

499Worcester County, MDMD54,4591.0%–

500Callaway County, MOMO45,7651.0%–

SHOWING 1–500 OF 2,998

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Download CSV (full list, 2,998 rows)

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

Frequently asked

Which county has the highest welsh share?

Oneida County, Idaho ranks #1 with 14.6% (2020 American Community Survey).

What are the top 5 counties by welsh share?

Oneida County, Idaho, Amelia County, Virginia, Wyoming County, Pennsylvania, Harper County, Oklahoma, Lackawanna County, Pennsylvania.

How many counties are in this ranking?

2,998 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 ACS 5-year data.

How is welsh share measured?

Share of all residents who are Welsh ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2020).