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 (2020 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.

Welsh Americans: full group profile →

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPWELSH SHAREVS 2010

USUnited States331,449,2810.6%–

01Oneida County, IDID5,08514.6%−0.5 pts

02Amelia County, VAVA13,6326.1%+5.1 pts

03Wyoming County, PAPA25,7905.2%−1.0 pts

04Harper County, OKOK3,1725.0%+4.7 pts

05Lackawanna County, PAPA216,5024.7%−1.6 pts

06Jackson County, OHOH32,8174.0%−0.4 pts

07Roberts County, TXTX8674.0%+2.9 pts

08Susquehanna County, PAPA38,2373.9%−1.4 pts

09Luzerne County, PAPA332,1263.9%−1.1 pts

10Haakon County, SDSD1,8023.8%+2.8 pts

11Clark County, IDID7833.4%+1.3 pts

12Wahkiakum County, WAWA4,8733.4%+2.5 pts

13Butte County, IDID2,7833.4%−1.1 pts

14Sublette County, WYWY8,9293.3%+0.8 pts

15Franklin County, IDID15,8893.3%+0.6 pts

16Hinsdale County, COCO7533.2%+1.4 pts

17Garfield County, UTUT5,2563.2%−0.7 pts

18Piute County, UTUT1,5093.2%+0.9 pts

19Storey County, NVNV4,2603.1%+2.6 pts

20Montour County, PAPA17,8683.0%+0.1 pts

21Dawson County, MTMT8,6923.0%+2.6 pts

22Keokuk County, IAIA9,7973.0%+1.7 pts

23Hartley County, TXTX4,9043.0%+2.8 pts

24Hardy County, WVWV14,3372.9%+1.7 pts

25Sierra County, CACA3,0982.9%–

26Valley County, IDID12,8312.8%−0.7 pts

27Bear Lake County, IDID6,7272.8%+1.3 pts

28Moffat County, COCO13,1222.8%+2.4 pts

29Iron County, UTUT67,1412.8%+0.0 pts

30Sanpete County, UTUT31,4532.6%+1.1 pts

31Cache County, UTUT145,0002.6%+0.1 pts

32Tioga County, PAPA40,5022.6%+0.0 pts

33Gilpin County, COCO6,0732.6%+1.9 pts

34San Juan County, UTUT14,5422.5%+0.3 pts

35Liberty County, MTMT1,9572.5%–

36Weston County, WYWY6,8402.5%+2.4 pts

37Madison County, MTMT10,0262.5%+1.5 pts

38Bannock County, IDID91,5912.5%−0.0 pts

39Schuylkill County, PAPA145,0852.5%−0.6 pts

40Beaver County, UTUT7,3012.4%−0.6 pts

41Brown County, NENE2,8262.4%+1.5 pts

42Jefferson County, IDID35,2972.4%+0.8 pts

43Tooele County, UTUT87,4612.4%+0.5 pts

44Doddridge County, WVWV7,6342.4%+1.3 pts

45Avery County, NCNC18,1102.4%+0.8 pts

46Park County, COCO18,3142.4%+0.6 pts

47Uinta County, WYWY20,7282.4%−0.7 pts

48Morris County, KSKS5,3482.3%+1.1 pts

49Madison County, NYNY67,1202.3%+0.1 pts

50Mono County, CACA12,5052.3%+1.7 pts

51Larue County, KYKY15,1842.3%+2.0 pts

52Box Elder County, UTUT65,3202.3%−0.1 pts

53Herkimer County, NYNY59,2192.3%−0.9 pts

54Utah County, UTUT759,8592.3%−0.3 pts

55Coffey County, KSKS8,4672.3%−0.0 pts

56Morrow County, OHOH36,3052.2%−0.5 pts

57Sheridan County, NENE4,8092.2%+1.9 pts

58Meagher County, MTMT2,1372.2%+1.1 pts

59Carbon County, UTUT20,6802.2%−0.0 pts

60Oneida County, NYNY226,3922.2%−0.9 pts

61Banner County, NENE6862.2%–

62Mahoning County, OHOH224,7062.2%−0.0 pts

63Madison County, IDID55,1722.2%−1.0 pts

64Millard County, UTUT14,0572.1%+0.9 pts

65Mineral County, COCO9102.1%−3.3 pts

66Wasatch County, UTUT38,5142.1%−0.3 pts

67Izard County, ARAR14,4052.1%+1.3 pts

68Tioga County, NYNY47,4532.1%−0.3 pts

69Bennington County, VTVT36,6302.1%+0.8 pts

70Rutland County, VTVT59,6532.1%−0.8 pts

71Columbia County, PAPA66,1932.0%−0.8 pts

72Wayne County, PAPA51,7032.0%−0.6 pts

73Sioux County, NENE1,1882.0%+1.3 pts

74Bonneville County, IDID135,7712.0%+0.2 pts

75Borden County, TXTX5672.0%+1.5 pts

76Emery County, UTUT10,1772.0%−0.2 pts

77Mercer County, PAPA107,8602.0%+0.3 pts

78Morgan County, UTUT13,3832.0%+0.5 pts

79Lexington, VAVA7,7692.0%−0.1 pts

80Hancock County, WVWV27,7292.0%+0.8 pts

81Brooke County, WVWV21,1422.0%+0.1 pts

82Lincoln County, NVNV4,3201.9%−0.1 pts

83Ferry County, WAWA7,5171.9%+0.4 pts

84Meigs County, OHOH21,5871.9%−0.0 pts

85Van Wert County, OHOH29,0131.9%+0.4 pts

86Wallowa County, OROR7,5951.9%+0.5 pts

87Davis County, UTUT381,2271.8%−0.5 pts

88Chenango County, NYNY45,7151.8%−0.1 pts

89Carbon County, PAPA65,8681.8%−0.4 pts

90Gallia County, OHOH29,0721.8%−0.8 pts

91Keya Paha County, NENE7921.8%−0.1 pts

92Gray County, KSKS5,6521.8%+1.4 pts

93Delaware County, OHOH242,0321.8%−0.5 pts

94Louisa County, IAIA10,4161.8%−0.1 pts

95Vernon County, MOMO19,9461.8%+1.1 pts

96Bryan County, GAGA52,0621.8%+1.2 pts

97Sullivan County, PAPA5,8561.8%+0.4 pts

98Overton County, TNTN23,7871.8%+1.0 pts

99Washington County, NYNY59,3531.8%−0.0 pts

100Lincoln County, MEME36,5951.8%+0.7 pts

101Miami County, KSKS36,2401.8%+1.3 pts

102Custer County, IDID4,6361.8%−0.8 pts

103Lawrence County, PAPA83,9111.8%−0.5 pts

104Mathews County, VAVA8,5291.7%+0.7 pts

105Jackson County, KSKS13,4381.7%+1.2 pts

106Bradford County, PAPA59,6001.7%−0.7 pts

107Greeley County, NENE2,1541.7%–

108Columbiana County, OHOH99,3771.7%−0.1 pts

109Searcy County, ARAR7,8481.7%+1.0 pts

110Fairfield County, OHOH169,7521.7%+0.0 pts

111Weber County, UTUT278,1741.7%−0.1 pts

112Sierra County, NMNM11,3951.7%+1.0 pts

113Graham County, KSKS2,3711.7%+1.0 pts

114Juab County, UTUT13,5671.7%−0.4 pts

115Salt Lake County, UTUT1,220,9161.7%−0.4 pts

116San Juan County, WAWA18,5771.7%−0.4 pts

117Kootenai County, IDID191,8641.7%+0.7 pts

118Saline County, KSKS53,3771.7%+1.2 pts

119Robertson County, KYKY2,3251.7%+1.1 pts

120Sanders County, MTMT14,0621.7%+1.0 pts

121Licking County, OHOH185,5641.7%−0.4 pts

122Cassia County, IDID26,3971.7%+0.7 pts

123Greenup County, KYKY35,2131.7%+0.9 pts

124Klickitat County, WAWA24,3311.7%−1.0 pts

125Esmeralda County, NVNV7291.7%+0.2 pts

126Columbia County, OROR54,0911.7%+1.0 pts

127Kittitas County, WAWA48,8031.6%+0.2 pts

128Fall River County, SDSD7,4671.6%+1.3 pts

129Madison County, IAIA17,2701.6%+0.0 pts

130Sagadahoc County, MEME37,9791.6%+0.6 pts

131Hancock County, TNTN7,0751.6%+1.3 pts

132Washington County, UTUT213,6701.6%−0.7 pts

133Gilmer County, GAGA33,8941.6%+0.8 pts

134Inyo County, CACA18,1581.6%+0.5 pts

135Garfield County, MTMT1,1481.6%–

136Duchesne County, UTUT20,8561.6%−0.1 pts

137Kingfisher County, OKOK15,7951.6%+1.4 pts

138Loup County, NENE5701.6%–

139Lincoln County, WYWY21,1801.6%+0.6 pts

140Salem, VAVA25,8161.6%+0.3 pts

141Louisa County, VAVA42,9241.6%+0.9 pts

142Northampton County, PAPA324,4111.6%−0.5 pts

143Tuscarawas County, OHOH92,3731.6%+0.1 pts

144Rich County, UTUT2,6871.6%−0.3 pts

145Custer County, MTMT12,0341.6%+0.4 pts

146Somerset County, PAPA72,0041.6%+0.1 pts

147Kent County, MDMD19,5651.6%+0.5 pts

148Chester County, PAPA557,1161.6%−0.2 pts

149Iowa County, IAIA16,5041.6%+0.1 pts

150Hardin County, OHOH30,0721.6%−0.5 pts

151Dare County, NCNC38,2451.6%+0.4 pts

152Fluvanna County, VAVA28,9751.5%+1.0 pts

153Yuma County, COCO9,8961.5%+1.1 pts

154Allegany County, MDMD66,8481.5%−0.4 pts

155Carter County, KYKY26,1491.5%+1.2 pts

156Trumbull County, OHOH198,9721.5%−0.8 pts

157Osage County, KSKS15,6931.5%−0.0 pts

158Lewis and Clark County, MTMT75,3311.5%+0.5 pts

159Natrona County, WYWY80,5261.5%+0.3 pts

160Hot Springs County, WYWY4,6001.5%−0.1 pts

161Green Lake County, WIWI19,3051.5%+0.6 pts

162Stark County, OHOH373,7711.5%−0.2 pts

163Hemphill County, TXTX3,0831.5%–

164Ashland County, OHOH52,5231.5%+0.8 pts

165Dade County, MOMO7,8041.5%+0.6 pts

166Cumberland County, PAPA277,2701.5%−0.3 pts

167Beaver County, PAPA166,0321.5%+0.2 pts

168Schuyler County, NYNY16,9241.5%+0.4 pts

169Broome County, NYNY195,7361.5%−0.7 pts

170Nicollet County, MNMN34,2731.5%+0.3 pts

171Camp County, TXTX13,3801.5%+0.7 pts

172Deer Lodge County, MTMT9,7091.5%+0.2 pts

173Knox County, MEME41,1171.5%+0.3 pts

174Lander County, NVNV5,8721.5%+1.0 pts

175Clay County, NCNC12,2391.5%+0.3 pts

176Fremont County, WYWY39,4641.5%+0.8 pts

177Union County, PAPA42,3131.5%−0.1 pts

178Monroe County, IAIA7,4061.5%−0.1 pts

179Boise County, IDID8,5451.5%+0.4 pts

180Lemhi County, IDID8,4741.5%−0.8 pts

181Kane County, UTUT8,5971.4%+0.0 pts

182Anderson County, TNTN82,0661.4%+0.7 pts

183Dent County, MOMO14,5841.4%+0.8 pts

184Trinity County, CACA15,7201.4%−1.3 pts

185Lampasas County, TXTX23,6571.4%+0.5 pts

186Sabine County, TXTX10,0121.4%+1.3 pts

187Lewis County, IDID3,7041.4%+1.1 pts

188Clatsop County, OROR40,9261.4%−0.8 pts

189Tompkins County, NYNY104,0471.4%+0.3 pts

190Grand County, UTUT9,7901.4%+0.5 pts

191Douglas County, OROR111,9511.4%+0.2 pts

192Cambria County, PAPA128,9681.4%−0.4 pts

193Mahaska County, IAIA21,8801.4%+0.4 pts

194Deuel County, SDSD4,4081.4%+0.7 pts

195Piatt County, ILIL16,7911.4%+0.9 pts

196Haines, AKAK2,0681.4%+0.5 pts

197Indiana County, PAPA82,8781.4%−0.2 pts

198Talbot County, MDMD38,2381.4%+0.3 pts

199Tuolumne County, CACA53,1601.4%+0.6 pts

200Randolph County, WVWV26,8821.4%+0.7 pts

201Perkins County, SDSD2,8531.4%+1.1 pts

202Chugach Census Area, AKAK6,5531.4%–

203Bedford County, VAVA83,0591.4%+0.8 pts

204Lyon County, KSKS32,2661.4%−0.9 pts

205Sweet Grass County, MTMT3,7621.4%+0.3 pts

206Archuleta County, COCO14,3061.4%+0.7 pts

207Greene County, ININ31,1651.4%+0.2 pts

208Chase County, KSKS2,5721.4%−0.6 pts

209Jefferson County, KSKS18,2961.4%+0.8 pts

210Portage County, OHOH163,4041.4%−0.6 pts

211Union County, OHOH73,4461.4%−0.8 pts

212Plumas County, CACA18,5831.4%+0.6 pts

213Ada County, IDID546,1411.4%−0.2 pts

214Towner County, NDND2,0401.4%+0.6 pts

215Howell County, MOMO40,7981.4%+1.1 pts

216Gunnison County, COCO17,4391.4%+0.3 pts

217Douglas County, WAWA46,4731.4%+0.7 pts

218Grand County, COCO16,4961.4%+0.2 pts

219Warren County, PAPA37,0381.4%+0.3 pts

220Ravalli County, MTMT48,5821.4%−0.5 pts

221Leelanau County, MIMI22,9821.4%+0.3 pts

222Silver Bow County, MTMT36,1181.4%−0.0 pts

223Lake County, OROR8,1871.4%−0.6 pts

224Cottle County, TXTX1,2241.4%–

225Beaverhead County, MTMT10,0431.4%−1.2 pts

226Pickens County, GAGA37,1671.3%+0.9 pts

227Hooker County, NENE6861.3%+0.9 pts

228Lewis County, WAWA88,0621.3%+0.2 pts

229Jefferson County, WAWA33,9701.3%−0.1 pts

230Washington County, PAPA210,8021.3%+0.1 pts

231Mineral County, MTMT5,1851.3%−0.4 pts

232Marshall County, KSKS9,8521.3%+0.4 pts

233Highland County, VAVA2,3181.3%+1.1 pts

234Broadwater County, MTMT8,4931.3%+0.7 pts

235Cecil County, MDMD107,1311.3%−0.3 pts

236Knox County, OHOH64,0021.3%−0.0 pts

237Franklin County, NENE2,7951.3%+0.5 pts

238Northumberland County, PAPA89,9201.3%−0.5 pts

239Lehigh County, PAPA384,3831.3%−0.7 pts

240Logan County, OHOH46,3021.3%+0.6 pts

241Clay County, ALAL14,2071.3%+1.0 pts

242Chemung County, NYNY80,4151.3%−0.3 pts

243Potter County, SDSD2,3771.3%+1.2 pts

244Harrison County, WVWV64,2211.3%+0.4 pts

245Pend Oreille County, WAWA14,4571.3%+0.2 pts

246Fremont County, IAIA6,5221.3%+0.8 pts

247King and Queen County, VAVA6,7431.3%–

248Morton County, KSKS2,4701.3%+0.9 pts

249Malheur County, OROR32,2611.3%+0.7 pts

250Jerome County, IDID26,3621.3%+0.3 pts

251Garrett County, MDMD28,3701.3%−0.1 pts

252Skagit County, WAWA132,9751.3%+0.0 pts

253Stillwater County, MTMT9,4451.3%+0.3 pts

254Polk County, ARAR19,4861.3%+0.7 pts

255Orange County, VTVT30,0021.3%−0.2 pts

256Dolores County, COCO2,4661.3%+0.2 pts

257Island County, WAWA85,6571.3%−0.4 pts

258Berks County, PAPA440,0721.3%−0.2 pts

259Allen County, OHOH100,8811.3%−0.6 pts

260Monongalia County, WVWV107,9911.3%−0.3 pts

261Florence County, WIWI4,7481.3%+1.0 pts

262Scioto County, OHOH71,3651.3%−0.1 pts

263Vinton County, OHOH12,6451.2%+0.4 pts

264Delaware County, NYNY44,3051.2%−0.1 pts

265Clearwater County, IDID9,1181.2%+0.3 pts

266Crawford County, OHOH41,8961.2%+0.5 pts

267Sweetwater County, WYWY41,2671.2%−0.2 pts

268Marion County, IAIA34,1921.2%+0.3 pts

269Sevier County, UTUT22,8271.2%−0.2 pts

270Chouteau County, MTMT5,8651.2%−0.2 pts

271Franklin County, OHOH1,361,5361.2%−0.4 pts

272Carroll County, ARAR29,2631.2%+1.0 pts

273Clallam County, WAWA78,2021.2%−0.3 pts

274Mackinac County, MIMI11,2361.2%+0.7 pts

275Bingham County, IDID51,1531.2%−0.2 pts

276Venango County, PAPA49,3461.2%−0.2 pts

277Kitsap County, WAWA283,3741.2%+0.2 pts

278Benton County, OROR97,7281.2%+0.1 pts

279Blue Earth County, MNMN70,6341.2%−0.2 pts

280Carroll County, NHNH52,7841.2%+0.3 pts

281Wayne County, UTUT2,5871.2%−0.8 pts

282Winchester, VAVA28,2721.2%+0.4 pts

283Boulder County, COCO328,5601.2%+0.1 pts

284Watauga County, NCNC54,7861.2%+0.1 pts

285Appling County, GAGA19,1001.2%+1.1 pts

286Saline County, ILIL22,7721.2%−0.0 pts

287Kingman County, KSKS7,0291.2%+0.4 pts

288Summit County, OHOH538,3761.2%−0.1 pts

289Harrison County, OHOH14,0701.2%+0.4 pts

290Johnson County, WYWY8,9081.2%+0.1 pts

291Cherokee County, KSKS19,1051.2%+0.8 pts

292Twin Falls County, IDID97,5391.2%+0.5 pts

293Clearfield County, PAPA78,1001.2%−0.0 pts

294Los Alamos County, NMNM19,4071.2%−0.2 pts

295La Plata County, COCO56,8981.2%+0.0 pts

296Fulton County, ININ20,0911.2%+0.6 pts

297Rawlins County, KSKS2,4311.2%−0.2 pts

298Union County, OROR25,9001.2%+0.4 pts

299Stevens County, WAWA49,6681.2%+0.5 pts

300Bond County, ILIL16,9591.2%+0.4 pts

301Otoe County, NENE16,5311.2%+0.6 pts

302Larimer County, COCO377,2921.2%+0.1 pts

303Pike County, OHOH27,0611.2%+0.7 pts

304Adams County, IDID5,0131.2%−1.4 pts

305Williamson County, TNTN272,0611.2%+0.0 pts

306Dade County, GAGA16,1541.2%+0.7 pts

307Marion County, WVWV55,5841.2%+0.6 pts

308Monroe County, PAPA167,1791.2%−0.2 pts

309Medina County, OHOH185,0251.2%+0.0 pts

310Wichita County, KSKS2,0311.2%–

311Potter County, PAPA15,8971.2%−0.0 pts

312Bibb County, ALAL22,2621.2%+1.1 pts

313Banks County, GAGA21,2731.2%+0.9 pts

314Ketchikan Gateway, AKAK13,5491.2%+0.1 pts

315Hamblen County, TNTN68,8431.2%+0.8 pts

316Granite County, MTMT3,6581.2%−0.3 pts

317Douglas County, NVNV50,1111.2%−0.2 pts

318Montgomery County, ILIL28,0761.2%+0.9 pts

319Shenandoah County, VAVA45,8391.2%+0.7 pts

320Boone County, ARAR38,6281.2%+0.6 pts

321Platte County, NENE35,6491.2%+0.9 pts

322Towns County, GAGA13,2851.2%+0.6 pts

323Nantucket County, MAMA14,7581.2%+0.3 pts

324Sumter County, FLFL157,7721.2%+0.1 pts

325Walla Walla County, WAWA62,3611.2%+0.3 pts

326Craig County, VAVA4,8001.2%−1.8 pts

327Warren County, ININ8,4741.2%+0.5 pts

328McPherson County, KSKS30,0641.2%+0.3 pts

329Sitka, AKAK8,3191.2%−1.2 pts

330Benton County, WAWA221,7221.2%−0.3 pts

331Lewis County, KYKY12,9011.2%+0.5 pts

332Owen County, KYKY11,6011.2%+0.8 pts

333Berkeley County, WVWV139,5221.2%+0.3 pts

334Summit County, UTUT43,1411.2%−1.1 pts

335Crowley County, COCO5,6771.2%+0.6 pts

336Williamsburg, VAVA15,8611.1%−0.6 pts

337Lane County, OROR381,5841.1%−0.1 pts

338Rensselaer County, NYNY160,5101.1%+0.3 pts

339Stonewall County, TXTX1,1861.1%–

340Nez Perce County, IDID42,9051.1%−0.4 pts

341Humboldt County, CACA131,6471.1%+0.3 pts

342Mason County, TXTX3,9901.1%+0.2 pts

343Washington County, OHOH58,3891.1%−0.1 pts

344Cascade County, MTMT85,0291.1%+0.3 pts

345Powell County, MTMT7,1571.1%−1.1 pts

346Franklin County, PAPA160,6521.1%+0.2 pts

347Cumberland County, MEME317,2221.1%+0.2 pts

348Elk County, KSKS2,4581.1%+0.1 pts

349Gilchrist County, FLFL20,4881.1%+0.5 pts

350Rutherford County, NCNC65,7451.1%+0.8 pts

351Mineral County, WVWV26,7921.1%+0.2 pts

352Spokane County, WAWA558,3441.1%+0.0 pts

353Grant County, OROR7,0751.1%−2.0 pts

354Lewis County, NYNY26,4791.1%−0.3 pts

355Lincoln County, OROR50,6361.1%−0.1 pts

356Benzie County, MIMI18,5681.1%+0.4 pts

357Upshur County, WVWV23,7581.1%+0.1 pts

358Okanogan County, WAWA45,2301.1%+0.3 pts

359Jasper County, MOMO127,4281.1%+0.4 pts

360Barton County, MOMO11,7951.1%+0.4 pts

361Centre County, PAPA157,3931.1%−0.4 pts

362Perry County, ILIL20,1601.1%+0.2 pts

363Mariposa County, CACA16,9181.1%+0.3 pts

364Allegheny County, PAPA1,225,0351.1%−0.2 pts

365Bonner County, IDID54,4201.1%+0.8 pts

366Clackamas County, OROR426,2801.1%−0.1 pts

367Jefferson County, OHOH63,5971.1%−0.5 pts

368Union County, IAIA11,8291.1%−0.3 pts

369Douglas County, KSKS120,9201.1%−0.0 pts

370Uintah County, UTUT38,2781.1%+0.2 pts

371Ellis County, OKOK3,6131.1%+0.6 pts

372Winston County, ALAL23,8291.1%+1.0 pts

373Hamilton County, ILIL7,8591.1%+1.1 pts

374Anderson County, KSKS8,0181.1%+0.7 pts

375Cortland County, NYNY45,8501.1%+0.1 pts

376Brown County, ININ15,7771.1%+0.4 pts

377Macon County, TNTN27,6631.1%+0.7 pts

378Crawford County, MIMI13,7221.1%+0.3 pts

379Mesa County, COCO162,8451.1%+0.0 pts

380Crawford County, PAPA81,7921.1%−0.4 pts

381Washington County, VTVT59,6521.1%+0.1 pts

382Lancaster County, PAPA563,1591.1%−0.1 pts

383Eagle County, COCO54,2911.1%+0.4 pts

384Hancock County, OHOH75,0341.1%−0.3 pts

385St. Clair County, ALAL98,2061.1%+0.8 pts

386Harney County, OROR7,3801.1%−0.4 pts

387Ohio County, WVWV40,4961.1%+0.2 pts

388Delta County, COCO32,1781.1%+0.0 pts

389Manassas Park, VAVA16,5601.1%–

390Fremont County, IDID14,2081.1%−0.4 pts

391Greene County, OHOH174,3221.1%−0.2 pts

392Boone County, MOMO191,7461.1%−0.1 pts

393Fayette County, KYKY329,7511.1%+0.3 pts

394King William County, VAVA19,6171.1%+0.4 pts

395Coconino County, AZAZ144,3681.1%+0.2 pts

396Henderson County, ILIL5,9841.1%+0.8 pts

397Walworth County, SDSD5,2171.1%+0.7 pts

398Ritchie County, WVWV8,0341.1%+0.5 pts

399Cape May County, NJNJ93,3901.1%+0.0 pts

400Geauga County, OHOH95,6761.1%−0.2 pts

401De Soto Parish, LALA27,3811.1%+0.5 pts

402Auglaize County, OHOH45,9091.1%+0.0 pts

403Cabell County, WVWV91,1831.1%+0.2 pts

404Elmore County, IDID29,4651.1%+0.3 pts

405Greene County, MOMO309,2861.1%+0.2 pts

406Phillips County, COCO4,4201.1%+0.5 pts

407Park County, WYWY31,1711.1%+0.2 pts

408Big Horn County, WYWY12,0241.1%−0.8 pts

409Carbon County, MTMT11,4661.1%−0.3 pts

410Ness County, KSKS2,6171.1%+0.4 pts

411Washington County, IDID11,5831.1%+0.2 pts

412Carbon County, WYWY14,0131.1%−0.3 pts

413Gloucester County, VAVA40,0971.1%−0.0 pts

414Calaveras County, CACA46,6051.1%−0.2 pts

415Iowa County, WIWI23,9511.1%−0.1 pts

416Caribou County, IDID7,2521.1%−1.0 pts

417Dawson County, GAGA35,3651.1%+0.8 pts

418Deschutes County, OROR213,0721.1%−0.3 pts

419Brown County, OHOH44,3971.1%+0.4 pts

420Bourbon County, KYKY20,2431.1%+0.7 pts

421Franklin County, TXTX10,9941.0%−0.9 pts

422Gallatin County, MTMT128,7401.0%−0.5 pts

423Marion County, ARAR17,5931.0%+0.7 pts

424Wood County, OHOH134,1761.0%−0.0 pts

425Multnomah County, OROR795,3911.0%−0.2 pts

426Jefferson County, COCO580,4511.0%−0.0 pts

427Hale County, ALAL15,1941.0%+0.9 pts

428Lycoming County, PAPA112,5871.0%−0.4 pts

429Orange County, NCNC152,4981.0%+0.0 pts

430Moore County, NCNC110,6191.0%−0.2 pts

431Chambers County, TXTX57,5941.0%+0.5 pts

432Coal County, OKOK5,4361.0%−0.6 pts

433El Dorado County, CACA192,3231.0%−0.0 pts

434Caldwell County, MOMO9,0121.0%+0.1 pts

435Rowan County, KYKY24,4761.0%−0.4 pts

436Johnson County, KSKS636,9061.0%−0.1 pts

437Roane County, WVWV13,3171.0%+0.4 pts

438Muskingum County, OHOH87,0141.0%+0.0 pts

439Darke County, OHOH51,5201.0%+0.5 pts

440Highland County, OHOH43,8231.0%+0.5 pts

441Archer County, TXTX9,1291.0%+0.3 pts

442Morgan County, WVWV18,0271.0%+0.6 pts

443Salem County, NJNJ66,2801.0%−0.0 pts

444James City County, VAVA83,3261.0%−0.1 pts

445Vigo County, ININ106,5121.0%+0.0 pts

446Warren County, MOMO39,0161.0%+0.2 pts

447Cass County, IAIA12,9601.0%+0.4 pts

448Penobscot County, MEME157,9671.0%+0.3 pts

449Mason County, WAWA71,1651.0%−0.1 pts

450Scott County, KYKY62,2621.0%+0.4 pts

451Lake County, SDSD10,9931.0%+0.5 pts

452Bedford County, PAPA47,4801.0%−0.3 pts

453Hamilton County, NENE9,6781.0%+0.9 pts

454Lake County, CACA67,7721.0%−0.0 pts

455Converse County, WYWY13,8241.0%−0.7 pts

456Ross County, OHOH76,4291.0%−0.1 pts

457Morgan County, KYKY14,4151.0%+0.8 pts

458Yavapai County, AZAZ252,5521.0%−0.0 pts

459Miami County, OHOH112,6341.0%−0.2 pts

460Oswego County, NYNY118,5691.0%+0.0 pts

461Mifflin County, PAPA46,1271.0%−0.0 pts

462Knox County, MOMO3,7281.0%+1.0 pts

463Jasper County, IAIA38,1531.0%−0.4 pts

464White County, GAGA29,8021.0%+0.1 pts

465Putnam County, OHOH34,3801.0%−0.0 pts

466Jackson County, WIWI20,9991.0%+0.8 pts

467Jefferson County, WVWV63,1021.0%+0.1 pts

468Braxton County, WVWV11,8851.0%+0.6 pts

469Paulding County, OHOH18,7271.0%+0.2 pts

470Jefferson County, PAPA43,2551.0%−0.3 pts

471Cheyenne County, COCO1,7131.0%+0.5 pts

472Clinton County, MOMO21,6611.0%+0.4 pts

473Crook County, WYWY7,8521.0%+0.4 pts

474Toole County, MTMT5,2111.0%+0.1 pts

475Mason County, WVWV24,7071.0%+0.2 pts

476Washington County, IAIA22,6671.0%−0.1 pts

477Butler County, PAPA200,1691.0%−0.7 pts

478Lucas County, IAIA8,8471.0%+0.4 pts

479Clermont County, OHOH216,9771.0%+0.2 pts

480Klamath County, OROR70,2741.0%+0.2 pts

481Brown County, KSKS9,1041.0%−0.4 pts

482Comal County, TXTX209,1661.0%+0.3 pts

483Westmoreland County, PAPA349,3241.0%−0.3 pts

484Sussex County, DEDE277,1401.0%−0.3 pts

485Transylvania County, NCNC34,2111.0%+0.1 pts

486Bucks County, PAPA647,8281.0%−0.4 pts

487Frontier County, NENE2,6551.0%+0.5 pts

488Gila County, AZAZ53,8011.0%−0.0 pts

489Decatur County, TNTN11,8201.0%+0.7 pts

490Caledonia County, VTVT30,4141.0%+0.2 pts

491Hocking County, OHOH27,5121.0%−0.6 pts

492Teton County, IDID13,2541.0%+0.1 pts

493Charlevoix County, MIMI26,0361.0%+0.3 pts

494York County, PAPA473,1971.0%−0.2 pts

495Morgan County, TNTN22,1601.0%+0.4 pts

496Greene County, VAVA21,9581.0%+0.6 pts

497Golden Valley County, MTMT8441.0%–

498Snyder County, PAPA39,6551.0%−0.3 pts

499Worcester County, MDMD54,4591.0%−0.1 pts

500Callaway County, MOMO45,7651.0%+0.3 pts

SHOWING 1–500 OF 2,998

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Download CSV (full list, 2,998 rows)

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS

Frequently asked

Which county has the highest welsh share?

Oneida County, Idaho ranks #1 with 14.6% (2020 Decennial Census).

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 Decennial Census data.

How is welsh share measured?

Share of all residents who are Welsh ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2020 Decennial Census.