RANKING · 2010 CENSUS · 500 SHOWN OF 1,834

Highest Slovak population share, US counties · 2010

US counties ranked by the share of all residents who are Slovak ancestry (2010 American Community Survey). A concentration measure: Slovak residents as a percentage of total population. Cambria County, Pennsylvania leads at 7.5%. 1,834 counties qualify in total. Pennsylvania carries 17 of the top 25 entries.

Slovak Americans: full group profile →

All statesAll rankings

SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSLOVAK SHAREVS –

USUnited States308,745,5380.3%–

01Cambria County, PAPA128,9687.5%–

02Mahoning County, OHOH224,7067.3%–

03Fayette County, PAPA123,0216.8%–

04Westmoreland County, PAPA349,3246.7%–

05Carbon County, PAPA65,8686.7%–

06Luzerne County, PAPA332,1265.8%–

07Indiana County, PAPA82,8784.6%–

08Washington County, PAPA210,8024.4%–

09Armstrong County, PAPA63,6984.4%–

10Allegheny County, PAPA1,225,0354.2%–

11Medina County, OHOH185,0254.2%–

12Mercer County, PAPA107,8604.1%–

13Trumbull County, OHOH198,9724.0%–

14Lorain County, OHOH323,2193.7%–

15Schuylkill County, PAPA145,0853.5%–

16Beaver County, PAPA166,0323.4%–

17Clearfield County, PAPA78,1003.4%–

18Lackawanna County, PAPA216,5023.4%–

19Cuyahoga County, OHOH1,232,9253.3%–

20Broome County, NYNY195,7363.3%–

21Greene County, PAPA33,8853.2%–

22Butler County, PAPA200,1693.2%–

23LaSalle County, ILIL107,7732.8%–

24Lehigh County, PAPA384,3832.7%–

25Lake County, OHOH232,2172.7%–

26Jefferson County, OHOH63,5972.6%–

27Somerset County, PAPA72,0042.5%–

28Wyoming County, PAPA25,7902.5%–

29Noble County, OHOH14,2762.4%–

30Portage County, OHOH163,4042.4%–

31Northampton County, PAPA324,4112.4%–

32Geauga County, OHOH95,6762.4%–

33Susquehanna County, PAPA38,2372.2%–

34Porter County, ININ176,0492.1%–

35Lawrence County, PAPA83,9112.1%–

36Lake County, ININ504,6122.0%–

37Erie County, PAPA265,8321.9%–

38Guernsey County, OHOH38,3791.9%–

39Summit County, OHOH538,3761.9%–

40Centre County, PAPA157,3931.9%–

41Brooke County, WVWV21,1421.8%–

42Bayfield County, WIWI16,7871.8%–

43Forest County, PAPA6,6141.8%–

44Ashtabula County, OHOH96,7131.7%–

45Ottawa County, OHOH39,4811.6%–

46Putnam County, ILIL5,6191.6%–

47Jefferson County, PAPA43,2551.6%–

48Wayne County, PAPA51,7031.6%–

49Belmont County, OHOH64,4341.5%–

50Hancock County, WVWV27,7291.4%–

51Yakutat, AKAK6721.4%–

52Price County, WIWI13,9881.4%–

53Livingston County, ILIL35,0571.4%–

54Montour County, PAPA17,8681.4%–

55Columbiana County, OHOH99,3771.3%–

56Crawford County, PAPA81,7921.3%–

57Columbia County, PAPA66,1931.3%–

58Lebanon County, PAPA146,3801.2%–

59Northumberland County, PAPA89,9201.2%–

60Wibaux County, MTMT8851.2%–

61Stark County, OHOH373,7711.2%–

62Fulton County, NYNY52,2161.2%–

63Hunterdon County, NJNJ131,7811.1%–

64Cameron County, PAPA4,2111.1%–

65Carter County, MTMT1,3831.1%–

66Tioga County, NYNY47,4531.1%–

67Warren County, PAPA37,0381.0%–

68Berks County, PAPA440,0721.0%–

69Monongalia County, WVWV107,9911.0%–

70Surry County, VAVA6,6031.0%–

71Chester County, PAPA557,1160.9%–

72Erie County, OHOH73,2960.9%–

73Harrison County, OHOH14,0700.9%–

74Somerset County, NJNJ356,4860.9%–

75Marshall County, ILIL11,4730.9%–

76Chouteau County, MTMT5,8650.9%–

77Will County, ILIL712,2530.9%–

78Blair County, PAPA119,5410.9%–

79Taylor County, WVWV16,2870.9%–

80Dauphin County, PAPA293,3510.9%–

81Clinton County, PAPA37,8700.8%–

82Breckinridge County, KYKY21,5030.8%–

83Wood County, OHOH134,1760.8%–

84Iron County, WIWI6,1270.8%–

85Caroline County, MDMD34,1160.8%–

86Macoupin County, ILIL43,7480.8%–

87Cumberland County, PAPA277,2700.8%–

88Grundy County, ILIL54,0520.8%–

89Mercer County, NJNJ399,2890.8%–

90Wayne County, MOMO10,7820.8%–

91Towner County, NDND2,0400.8%–

92Elk County, PAPA29,9260.8%–

93Montgomery County, PAPA877,6430.8%–

94Sussex County, NJNJ148,0630.8%–

95Jasper County, ININ33,8940.8%–

96Ashland County, WIWI16,2030.8%–

97Venango County, PAPA49,3460.8%–

98Middlesex County, NJNJ883,3350.8%–

99Monroe County, PAPA167,1790.8%–

100Shiawassee County, MIMI67,6810.7%–

101Madison County, MTMT10,0260.7%–

102Athens County, OHOH63,1970.7%–

103Bucks County, PAPA647,8280.7%–

104Sullivan County, PAPA5,8560.7%–

105Monroe County, IAIA7,4060.7%–

106Wayne County, OHOH116,7580.7%–

107Ohio County, WVWV40,4960.7%–

108Powell County, KYKY12,8120.7%–

109Gogebic County, MIMI14,2850.7%–

110Rawlins County, KSKS2,4310.7%–

111Potter County, PAPA15,8970.7%–

112Ashland County, OHOH52,5230.7%–

113Grant County, OROR7,0750.7%–

114Bedford County, PAPA47,4800.7%–

115Ocean County, NJNJ673,7460.7%–

116Warren County, NJNJ112,9530.7%–

117Falls Church, VAVA15,1590.6%–

118Morris County, NJNJ524,2510.6%–

119Valley County, IDID12,8310.6%–

120Colfax County, NENE10,9340.6%–

121Delaware County, OHOH242,0320.6%–

122Custer County, COCO5,5900.6%–

123Williamsburg, VAVA15,8610.6%–

124Pitkin County, COCO16,6250.6%–

125McKean County, PAPA38,9840.6%–

126Huntingdon County, PAPA43,0010.6%–

127Oscoda County, MIMI8,7230.6%–

128Pike County, PAPA62,8080.6%–

129Delaware County, NYNY44,3050.6%–

130Macomb County, MIMI886,2210.6%–

131Queen Anne's County, MDMD54,4480.6%–

132Union County, NJNJ601,8630.6%–

133Vinton County, OHOH12,6450.6%–

134DuPage County, ILIL934,2980.6%–

135Marshall County, WVWV29,1590.6%–

136Carroll County, OHOH26,4750.6%–

137Dunn County, WIWI46,2230.6%–

138Stonewall County, TXTX1,1860.6%–

139Prairie County, ARAR7,9230.5%–

140Kenosha County, WIWI168,4480.5%–

141Juniata County, PAPA23,4030.5%–

142Perry County, PAPA46,8060.5%–

143Boone County, ININ80,6890.5%–

144Tuscarawas County, OHOH92,3730.5%–

145Summit County, COCO31,5170.5%–

146Newton County, ININ14,1880.5%–

147Waukesha County, WIWI417,2100.5%–

148Burlington County, NJNJ481,4390.5%–

149Charlotte County, FLFL217,2120.5%–

150York County, VAVA71,3740.5%–

151Douglas County, WIWI43,9900.5%–

152Austin County, TXTX33,6250.5%–

153Washington County, WIWI139,2380.5%–

154Sagadahoc County, MEME37,9790.5%–

155Fairfax, VAVA26,7720.5%–

156Gunnison County, COCO17,4390.5%–

157Taylor County, WIWI20,1180.5%–

158Huron County, OHOH58,2500.5%–

159Rusk County, WIWI14,1460.5%–

160Starke County, ININ23,4250.5%–

161Franklin County, OHOH1,361,5360.5%–

162Howard County, MDMD339,1830.5%–

163Sumter County, FLFL157,7720.5%–

164Humboldt County, NVNV17,2670.5%–

165Leelanau County, MIMI22,9820.5%–

166Monmouth County, NJNJ651,0350.5%–

167Muskegon County, MIMI177,9010.4%–

168Clinton County, MIMI80,4320.4%–

169Putnam County, NYNY99,0280.4%–

170Lamoille County, VTVT26,2940.4%–

171Brown County, ININ15,7770.4%–

172Kendall County, ILIL145,4700.4%–

173Adams County, PAPA107,5940.4%–

174Keweenaw County, MIMI2,1860.4%–

175Saratoga County, NYNY241,3430.4%–

176Hardin County, OHOH30,0720.4%–

177Niobrara County, WYWY2,3410.4%–

178Passaic County, NJNJ531,6240.4%–

179Delaware County, PAPA580,9370.4%–

180Lancaster County, PAPA563,1590.4%–

181New Kent County, VAVA28,0220.4%–

182Fairfax County, VAVA1,167,8730.4%–

183Racine County, WIWI198,9190.4%–

184Fauquier County, VAVA76,5030.4%–

185Putnam County, WVWV56,8850.4%–

186Herkimer County, NYNY59,2190.4%–

187York County, PAPA473,1970.4%–

188Okeechobee County, FLFL42,6080.4%–

189Harrison County, WVWV64,2210.4%–

190Martin County, FLFL166,2720.4%–

191Iron County, MIMI11,7570.4%–

192Ozaukee County, WIWI94,3460.4%–

193St. Mary's County, MDMD116,6920.4%–

194Jackson County, MNMN9,8570.4%–

195Clarion County, PAPA36,6800.4%–

196Los Alamos County, NMNM19,4070.4%–

197Accomack County, VAVA33,8590.4%–

198Jones County, GAGA29,1710.4%–

199Boone County, NENE5,3550.4%–

200Collier County, FLFL417,1310.4%–

201Oxford County, MEME60,3460.4%–

202Alexandria, VAVA160,6620.4%–

203Livingston County, MIMI197,3150.4%–

204Lucas County, OHOH423,3470.4%–

205Lycoming County, PAPA112,5870.4%–

206Sitka, AKAK8,3190.4%–

207Bradford County, PAPA59,6000.4%–

208Colfax County, NMNM12,1840.4%–

209Jefferson County, IAIA15,2910.4%–

210McLean County, ILIL171,4190.4%–

211Louisa County, VAVA42,9240.4%–

212Wetzel County, WVWV13,7340.4%–

213Sangamon County, ILIL194,1700.4%–

214Frederick County, MDMD302,8830.4%–

215Pasco County, FLFL674,5160.4%–

216Flagler County, FLFL140,3600.4%–

217Oakland County, MIMI1,288,3370.4%–

218Calhoun County, FLFL13,2890.4%–

219Clark County, WIWI35,0520.4%–

220Huerfano County, COCO7,0110.4%–

221Milwaukee County, WIWI924,2160.4%–

222Arkansas County, ARAR15,8360.4%–

223Calloway County, KYKY39,4210.4%–

224Fluvanna County, VAVA28,9750.4%–

225Garrett County, MDMD28,3700.4%–

226Antrim County, MIMI24,6980.4%–

227Schenectady County, NYNY162,5810.4%–

228St. Louis County, MNMN200,5180.4%–

229Manatee County, FLFL468,2000.3%–

230Madison County, OHOH46,9850.3%–

231St. Johns County, FLFL346,3280.3%–

232Franklin County, PAPA160,6520.3%–

233Anne Arundel County, MDMD603,3800.3%–

234Douglas County, COCO399,3960.3%–

235Rio Grande County, COCO11,0870.3%–

236Polk County, MNMN30,5450.3%–

237Pueblo County, COCO169,2770.3%–

238Nassau County, FLFL106,8790.3%–

239Logan County, OHOH46,3020.3%–

240Hanover County, VAVA116,4230.3%–

241Saginaw County, MIMI187,6880.3%–

242Sarasota County, FLFL479,9580.3%–

243Lake County, ILIL719,3390.3%–

244Kane County, UTUT8,5970.3%–

245James City County, VAVA83,3260.3%–

246Fulton County, OHOH41,8530.3%–

247Knox County, OHOH64,0020.3%–

248Carroll County, MDMD176,6770.3%–

249DeKalb County, ININ44,5350.3%–

250Manistee County, MIMI25,6560.3%–

251Snyder County, PAPA39,6550.3%–

252Perry County, OHOH35,9180.3%–

253Pinellas County, FLFL948,5630.3%–

254Chenango County, NYNY45,7150.3%–

255Montgomery County, ILIL28,0760.3%–

256Bergen County, NJNJ977,0260.3%–

257Lewis County, WVWV16,3940.3%–

258Washington County, NYNY59,3530.3%–

259Cooper County, MOMO17,1360.3%–

260Arlington County, VAVA243,9310.3%–

261Lee County, FLFL875,6070.3%–

262Emmet County, MIMI33,7750.3%–

263Hernando County, FLFL221,7010.3%–

264Gloucester County, NJNJ312,6380.3%–

265Greene County, NYNY47,2380.3%–

266Forsyth County, GAGA282,8050.3%–

267Genesee County, MIMI401,0930.3%–

268Bottineau County, NDND6,2840.3%–

269Shelby County, KYKY51,2430.3%–

270Seminole County, FLFL491,8840.3%–

271Butler County, NENE8,5070.3%–

272Licking County, OHOH185,5640.3%–

273LaPorte County, ININ111,2940.3%–

274Christian County, ILIL33,4430.3%–

275Calvert County, MDMD94,4840.3%–

276Fairfield County, OHOH169,7520.3%–

277Eaton County, MIMI109,5810.3%–

278Dutchess County, NYNY300,7080.3%–

279Schleicher County, TXTX2,2450.3%–

280Powell County, MTMT7,1570.3%–

281Lincoln County, NVNV4,3200.3%–

282Union County, OHOH73,4460.3%–

283Grand Isle County, VTVT7,5110.3%–

284Ulster County, NYNY183,3300.3%–

285Adams County, WIWI21,7520.3%–

286Teller County, COCO24,7560.3%–

287Jefferson County, ININ33,2790.3%–

288Greene County, OHOH174,3220.3%–

289Juneau, AKAK31,6090.3%–

290Kane County, ILIL525,7570.3%–

291Grayson County, VAVA15,2300.3%–

292Avery County, NCNC18,1100.3%–

293Kingman County, KSKS7,0290.3%–

294Hendricks County, ININ193,5100.3%–

295Morrison County, MNMN34,6200.3%–

296Ontonagon County, MIMI5,8230.3%–

297York County, SCSC306,8870.3%–

298Perry County, MSMS11,5770.3%–

299Cass County, ILIL12,4630.3%–

300Marion County, WVWV55,5840.3%–

301Charles County, MDMD176,5930.3%–

302Boulder County, COCO328,5600.3%–

303Morgan County, OHOH13,6260.3%–

304Harford County, MDMD266,4460.3%–

305Citrus County, FLFL171,6660.3%–

306Androscoggin County, MEME116,4870.3%–

307Upshur County, WVWV23,7580.3%–

308Lapeer County, MIMI89,5160.3%–

309Clark County, OHOH135,3400.3%–

310Cook County, ILIL5,194,6250.3%–

311Red Willow County, NENE10,3070.3%–

312Lemhi County, IDID8,4740.3%–

313Bureau County, ILIL32,5100.3%–

314Orange County, NYNY417,6690.3%–

315Langlade County, WIWI19,5340.3%–

316Appanoose County, IAIA12,0770.3%–

317Bedford County, VAVA83,0590.3%–

318Jersey County, ILIL21,1600.3%–

319Josephine County, OROR87,8670.3%–

320Beaufort County, SCSC204,4330.3%–

321Waushara County, WIWI25,2230.3%–

322Lexington, VAVA7,7690.3%–

323Westchester County, NYNY1,015,7430.3%–

324Wood County, WVWV82,3850.3%–

325Union County, PAPA42,3130.3%–

326Cumberland County, TNTN66,3000.3%–

327Essex County, NYNY36,4380.3%–

328Kent County, DEDE194,7860.3%–

329Hamilton County, ININ387,0360.3%–

330Chittenden County, VTVT169,1150.3%–

331Madison County, ILIL263,1100.3%–

332Midland County, MIMI83,7540.3%–

333Henry County, OHOH27,5980.3%–

334Dukes County, MAMA21,2190.3%–

335Teton County, WYWY23,3330.3%–

336El Paso County, COCO757,0400.3%–

337Newport County, RIRI83,0510.3%–

338Greensville County, VAVA11,1810.3%–

339St. Clair County, MIMI160,4860.3%–

340Rockland County, NYNY357,3970.3%–

341Brunswick County, NCNC174,7020.3%–

342Yates County, NYNY24,5470.3%–

343Vermilion County, ILIL71,2590.3%–

344Wayne County, MIMI1,769,0380.3%–

345Mercer County, ILIL15,2290.3%–

346Washtenaw County, MIMI370,2140.3%–

347Montgomery County, NYNY50,0460.3%–

348Gulf County, FLFL15,9430.3%–

349Gratiot County, MIMI41,1900.3%–

350Juneau County, WIWI26,6490.3%–

351Columbia County, WIWI58,1320.3%–

352Mackinac County, MIMI11,2360.3%–

353Ontario County, NYNY113,1300.3%–

354Livingston County, NYNY61,4380.3%–

355Albany County, NYNY321,2250.3%–

356Wright County, MNMN157,5590.3%–

357Ingham County, MIMI289,7090.3%–

358Tioga County, PAPA40,5020.3%–

359Macon County, TNTN27,6630.3%–

360Kendall County, TXTX53,2890.3%–

361Tompkins County, NYNY104,0470.3%–

362Manassas Park, VAVA16,5600.3%–

363Washburn County, WIWI17,0870.2%–

364DeKalb County, ILIL101,8350.2%–

365Albemarle County, VAVA118,3560.2%–

366Cheshire County, NHNH78,2690.2%–

367Cheyenne County, NENE9,5280.2%–

368Clark County, ILIL15,1140.2%–

369Stafford County, VAVA170,8030.2%–

370Ralls County, MOMO10,4440.2%–

371Loudoun County, VAVA449,7490.2%–

372Muskingum County, OHOH87,0140.2%–

373Sandoval County, NMNM159,5650.2%–

374Southeast Fairbanks Census Area, AKAK7,2700.2%–

375Sussex County, DEDE277,1400.2%–

376Cape May County, NJNJ93,3900.2%–

377Ogle County, ILIL51,3990.2%–

378McHenry County, ILIL317,7510.2%–

379Scotts Bluff County, NENE35,5860.2%–

380New Hanover County, NCNC245,9590.2%–

381Hampshire County, MAMA164,0650.2%–

382Oneida County, WIWI38,1310.2%–

383Dorchester County, SCSC178,3970.2%–

384Lake County, FLFL456,0680.2%–

385Elmore County, IDID29,4650.2%–

386Schuyler County, ILIL6,6570.2%–

387Worcester County, MDMD54,4590.2%–

388Mifflin County, PAPA46,1270.2%–

389Howard County, NENE6,5380.2%–

390Horry County, SCSC427,5510.2%–

391Kankakee County, ILIL105,5250.2%–

392Tuolumne County, CACA53,1600.2%–

393Hancock County, OHOH75,0340.2%–

394Monroe County, FLFL80,4060.2%–

395Kalamazoo County, MIMI263,7950.2%–

396Monroe County, ALAL18,9650.2%–

397Woodford County, ILIL38,1110.2%–

398Allegan County, MIMI123,1880.2%–

399Spencer County, KYKY20,9980.2%–

400Brevard County, FLFL663,9820.2%–

401Brown County, MNMN25,5170.2%–

402Culpeper County, VAVA57,6660.2%–

403Ford County, ILIL13,2160.2%–

404Silver Bow County, MTMT36,1180.2%–

405Sullivan County, NYNY80,5860.2%–

406Monroe County, MIMI156,0040.2%–

407Decatur County, KSKS2,7160.2%–

408Richland County, MTMT11,3770.2%–

409Wake County, NCNC1,257,2350.2%–

410Emmet County, IAIA9,1070.2%–

411Montgomery County, MDMD1,074,5820.2%–

412Sioux County, IAIA36,7740.2%–

413Vigo County, ININ106,5120.2%–

414Stark County, ILIL5,3190.2%–

415Camden County, NJNJ535,7990.2%–

416Mecklenburg County, NCNC1,233,3830.2%–

417Peoria County, ILIL178,5530.2%–

418Butler County, OHOH400,1280.2%–

419Hennepin County, MNMN1,284,7840.2%–

420Lumpkin County, GAGA36,1780.2%–

421Atlantic County, NJNJ278,6570.2%–

422Otsego County, NYNY60,5890.2%–

423Osceola County, MIMI23,5160.2%–

424Daviess County, MOMO8,5580.2%–

425Chemung County, NYNY80,4150.2%–

426Moniteau County, MOMO15,4280.2%–

427Matanuska-Susitna, AKAK118,6660.2%–

428Door County, WIWI30,6160.2%–

429Warren County, NYNY65,0200.2%–

430Warren County, OHOH257,1810.2%–

431Norfolk, VAVA231,0130.2%–

432Chesterfield County, VAVA397,1480.2%–

433Berkeley County, WVWV139,5220.2%–

434Marion County, TXTX9,8960.2%–

435Routt County, COCO25,3290.2%–

436Edmunds County, SDSD4,0220.2%–

437Montmorency County, MIMI9,8420.2%–

438Clay County, NCNC12,2390.2%–

439Grafton County, NHNH93,2250.2%–

440Albany County, WYWY38,5580.2%–

441Johnson County, ILIL13,3630.2%–

442Larimer County, COCO377,2920.2%–

443Sheboygan County, WIWI118,0470.2%–

444Washington County, MDMD157,7310.2%–

445Montgomery County, OHOH539,5980.2%–

446Seneca County, OHOH54,5220.2%–

447Alger County, MIMI8,6410.2%–

448Lake of the Woods County, MNMN3,7700.2%–

449Clarke County, VAVA15,6090.2%–

450Alcona County, MIMI10,5560.2%–

451Fayette County, ININ23,5330.2%–

452Niagara County, NYNY208,9120.2%–

453Menard County, ILIL11,8630.2%–

454Jefferson County, WVWV63,1020.2%–

455Valley County, NENE4,0940.2%–

456Charlevoix County, MIMI26,0360.2%–

457Yellow Medicine County, MNMN9,4770.2%–

458Prince William County, VAVA502,9660.2%–

459Ouray County, COCO5,2650.2%–

460Dare County, NCNC38,2450.2%–

461Amherst County, VAVA31,9620.2%–

462Columbia County, NYNY60,1680.2%–

463Clay County, FLFL239,5930.2%–

464Hamilton County, OHOH838,4180.2%–

465Orange County, VTVT30,0020.2%–

466Mecosta County, MIMI42,3200.2%–

467Oldham County, KYKY70,9860.2%–

468Genesee County, NYNY58,4160.2%–

469Hudson County, NJNJ735,0330.2%–

470Sawyer County, WIWI18,8460.2%–

471Roscommon County, MIMI23,9140.2%–

472Onondaga County, NYNY466,5840.2%–

473Richland County, ILIL15,2190.2%–

474Effingham County, GAGA74,3970.2%–

475Cherokee County, GAGA299,2730.2%–

476Pinal County, AZAZ539,3800.2%–

477Montcalm County, MIMI69,4060.2%–

478Spotsylvania County, VAVA155,3880.2%–

479New Castle County, DEDE588,0260.2%–

480Ross County, OHOH76,4290.2%–

481Summit County, UTUT43,1410.2%–

482Grant County, ININ66,5240.2%–

483Harrisonburg, VAVA50,8390.2%–

484Dakota County, MNMN457,7100.2%–

485Ferry County, WAWA7,5170.2%–

486Clare County, MIMI31,5430.2%–

487Eagle County, COCO54,2910.2%–

488Walworth County, WIWI106,1270.2%–

489Miami County, ININ34,4870.2%–

490Delta County, MIMI36,5820.2%–

491Ohio County, ININ5,9940.2%–

492Baltimore County, MDMD847,6500.2%–

493Winchester, VAVA28,2720.2%–

494Radford, VAVA17,2430.2%–

495Hampden County, MAMA464,3380.2%–

496Defiance County, OHOH38,2920.2%–

497Deer Lodge County, MTMT9,7090.2%–

498Preston County, WVWV34,0040.2%–

499Chatham County, NCNC85,1110.2%–

500Kennebec County, MEME129,0670.2%–

SHOWING 1–500 OF 1,834

Download CSV (full list, 1,834 rows)

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

Frequently asked

Which county has the highest slovak share?

Cambria County, Pennsylvania ranks #1 with 7.5% (2010 Decennial Census).

What are the top 5 counties by slovak share?

Cambria County, Pennsylvania, Mahoning County, Ohio, Fayette County, Pennsylvania, Westmoreland County, Pennsylvania, Carbon County, Pennsylvania.

How many counties are in this ranking?

1,834 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 Decennial Census data.

How is slovak share measured?

Share of all residents who are Slovak ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2010 Decennial Census.