RANKING · 2024 ACS · 500 SHOWN OF 1,817

Largest Slovak population, US counties

US counties ranked by the number of residents who are Slovak ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Allegheny County, Pennsylvania leads at 33,901. 1,817 counties qualify in total. Pennsylvania carries 10 of the top 25 entries. The median across all 1,817 is 39. Biggest climber in the top 100 since 2020: New Castle County, DE, up 42 places to #93.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSLOVAK POPULATIONVS 2010

USUnited States0.2% of US population334,922,499596,996–

01Allegheny County, PAPA1,225,03533,901−33%

02Cuyahoga County, OHOH1,232,92525,215−42%

03Westmoreland County, PAPA349,32414,698−40%

04▲1Mahoning County, OHOH224,70611,649−34%

05▲1Cook County, ILIL5,194,62511,063−24%

06▼2Luzerne County, PAPA332,12610,629−43%

07Summit County, OHOH538,3767,282−28%

08▲6Lorain County, OHOH323,2197,123−35%

09Lake County, ININ504,6126,497−34%

10▼2Cambria County, PAPA128,9686,274−42%

11▲2Lehigh County, PAPA384,3836,144−35%

12▲3Maricopa County, AZAZ4,689,5585,958−12%

13▼3Washington County, PAPA210,8025,610−39%

14▲2Trumbull County, OHOH198,9725,585−34%

15▲6Franklin County, OHOH1,361,5365,545+5%

16▼4Fayette County, PAPA123,0215,219−45%

17▼6Northampton County, PAPA324,4115,200−26%

18▲2Butler County, PAPA200,1695,008−13%

19▼2Los Angeles County, CACA9,694,9344,531−5%

20▼1Lake County, OHOH232,2174,514−26%

21▼3Medina County, OHOH185,0254,394−38%

22Montgomery County, PAPA877,6434,264−31%

23▲6Will County, ILIL712,2533,952−32%

24▼1DuPage County, ILIL934,2983,933−25%

25▼1Broome County, NYNY195,7363,724−43%

26▼1Lackawanna County, PAPA216,5023,669−49%

27Beaver County, PAPA166,0323,555−39%

28Bucks County, PAPA647,8283,189−30%

29Greater Bridgeport Planning Region, CTCT337,6973,099–

30▲2Chester County, PAPA557,1163,075−32%

31Wayne County, MIMI1,769,0383,068−37%

32▲22Kings County, NYNY2,653,9633,065+68%

33▲8Ocean County, NJNJ673,7463,060−21%

34▼8Middlesex County, NJNJ883,3353,045−50%

35▼1Macomb County, MIMI886,2213,041−38%

36▲1Oakland County, MIMI1,288,3373,035−30%

37▲1Fairfax County, VAVA1,167,8733,018−28%

38▲9Geauga County, OHOH95,6762,759+25%

39▼4Stark County, OHOH373,7712,755−39%

40▲6Hillsborough County, FLFL1,574,1152,729+34%

41▼2Schuylkill County, PAPA145,0852,724−48%

42▼9San Diego County, CACA3,282,2482,717−13%

43Mercer County, PAPA107,8602,659−44%

44▼2Orange County, CACA3,149,5072,652−15%

45▲24Pinellas County, FLFL948,5632,652−11%

46▲14Hennepin County, MNMN1,284,7842,630+1%

47▼17Erie County, PAPA265,8322,604−52%

48▲11Philadelphia County, PAPA1,574,2812,588+4%

49▲16Westchester County, NYNY1,015,7432,583+1%

50Western Connecticut Planning Region, CTCT640,4822,568–

51▼7Milwaukee County, WIWI924,2162,540−24%

52Naugatuck Valley Planning Region, CTCT463,3492,418–

53▲18Harris County, TXTX5,045,0262,412+37%

54▼18King County, WAWA2,344,9392,366−12%

55▼15Indiana County, PAPA82,8782,360−42%

56▼4Morris County, NJNJ524,2512,304−27%

57South Central Connecticut Planning Region, CTCT578,7412,294–

58▲10Wake County, NCNC1,257,2352,290+16%

59▼2Palm Beach County, FLFL1,575,7262,285+1%

60▼9Berks County, PAPA440,0722,257−46%

61▼12Portage County, OHOH163,4042,178−43%

62▼9Carbon County, PAPA65,8682,114−51%

63▼15Monmouth County, NJNJ651,0352,036−28%

64▲19Lee County, FLFL875,6072,029+6%

65▲16Lancaster County, PAPA563,1592,012−2%

66▼11Montgomery County, MDMD1,074,5822,006−8%

67▲3Somerset County, NJNJ356,4861,988−31%

68▲19Waukesha County, WIWI417,2101,959+3%

69▼7Clark County, NVNV2,407,2261,954−29%

70Capitol Planning Region, CTCT994,1151,946–

71▼26Porter County, ININ176,0491,944−43%

72▼14New York County, NYNY1,664,8621,931−16%

73▼23Union County, NJNJ601,8631,906−38%

74▼10Middlesex County, MAMA1,669,9791,904+38%

75▲4Mercer County, NJNJ399,2891,863−36%

76▼15Bergen County, NJNJ977,0261,850−36%

77▼10Armstrong County, PAPA63,6981,835−40%

78▼6Delaware County, OHOH242,0321,736+67%

79▼13Burlington County, NJNJ481,4391,716−21%

80▲17Mecklenburg County, NCNC1,233,3831,716−15%

81▼25Centre County, PAPA157,3931,657−41%

82▼2LaSalle County, ILIL107,7731,553−51%

83▲6Baltimore County, MDMD847,6501,545−2%

84▼9Queens County, NYNY2,358,1821,539−18%

85▲13Delaware County, PAPA580,9371,538−32%

86▼12Lake County, ILIL719,3391,525−35%

87▼11Cumberland County, PAPA277,2701,497−21%

88▼4Clearfield County, PAPA78,1001,464−48%

89▼4Sarasota County, FLFL479,9581,430+13%

90▼12Dauphin County, PAPA293,3511,415−38%

91▼18York County, PAPA473,1971,411−16%

92▲12Jefferson County, OHOH63,5971,408−23%

93▲42New Castle County, DEDE588,0261,408+31%

94Lucas County, OHOH423,3471,404−15%

95Riverside County, CACA2,544,9161,386−5%

96▼33Broward County, FLFL2,013,3171,369−41%

97▼4District of Columbia, DCDC693,6451,329+43%

98▼12Orange County, FLFL1,528,0021,322−22%

99▲14Loudoun County, VAVA449,7491,316+83%

100▼9Santa Clara County, CACA1,914,3911,292−9%

101▼24Anne Arundel County, MDMD603,3801,281−30%

102▼10Pima County, AZAZ1,074,6851,260−27%

103▲53Hamilton County, ININ387,0361,257+80%

104▲22Marion County, ININ992,1961,245+9%

105▼2El Paso County, COCO757,0401,212−23%

106▼24St. Louis County, MOMO990,9111,202−22%

107▲17Worcester County, MAMA888,5021,195−12%

108▼18Suffolk County, NYNY1,546,0901,193−38%

109▲19Kane County, ILIL525,7571,175−19%

110▼22Somerset County, PAPA72,0041,165−41%

111▲3Cobb County, GAGA793,3451,160+28%

112▲18Arapahoe County, COCO673,8201,129+25%

113▲58Erie County, OHOH73,2961,121+57%

114▼15Brevard County, FLFL663,9821,115−12%

115▼15Hamilton County, OHOH838,4181,109−33%

116▼20Columbiana County, OHOH99,3771,081−25%

117▼1Passaic County, NJNJ531,6241,071−47%

118▲97Norfolk County, MAMA739,7491,069+50%

119▼10Erie County, NYNY946,7411,066−33%

120▲12Fulton County, GAGA1,098,7911,053+11%

121▼20Lawrence County, PAPA83,9111,050−44%

122▲3Lake County, FLFL456,0681,042+49%

123Hunterdon County, NJNJ131,7811,037−29%

124▲40Alameda County, CACA1,636,6301,017−21%

125▲26Denton County, TXTX1,069,3461,015+89%

126▼20Denver County, COCO740,6131,011+27%

127▼10Monroe County, PAPA167,179986−23%

128▲18Jefferson County, COCO580,4519860%

129▼14Montgomery County, OHOH539,598983−17%

130▼19Pasco County, FLFL674,516975−41%

131▲3Seminole County, FLFL491,884973−25%

132▲22Contra Costa County, CACA1,170,070965+10%

133▼25Frederick County, MDMD302,883948+14%

134▲43San Francisco County, CACA826,079945+10%

135▲72Sacramento County, CACA1,618,460935+26%

136▼18Nassau County, NYNY1,398,939931−39%

137▲3Onondaga County, NYNY466,584930−2%

138▲34Arlington County, VAVA243,931930+48%

139▼37Dane County, WIWI590,375923+63%

140▼1Dallas County, TXTX2,661,397914+15%

141▼10Bexar County, TXTX2,160,088898−2%

142▲7Ramsey County, MNMN541,623890+53%

143▼22Manatee County, FLFL468,200888−20%

144▲4Blair County, PAPA119,541883−19%

145Northumberland County, PAPA89,920880−23%

146▲4Howard County, MDMD339,183875−32%

147▲44Belmont County, OHOH64,434872−19%

148▲33Genesee County, MIMI401,093867−36%

149▲35Butler County, OHOH400,128859+3%

150▼45Tarrant County, TXTX2,248,466854−15%

151▼24Ashtabula County, OHOH96,713841−52%

152▼40Collin County, TXTX1,297,179838+56%

153▼6Kent County, MIMI675,232837+5%

154▲91Rockland County, NYNY357,397828+3%

155▼48Collier County, FLFL417,131824−30%

156▲50Snohomish County, WAWA870,656819+17%

157▼2Guernsey County, OHOH38,379809+5%

158▼38Gloucester County, NJNJ312,638805−10%

159Northwest Hills Planning Region, CTCT114,690803–

160▼27San Bernardino County, CACA2,224,091800−4%

161▲125Beaufort County, SCSC204,433798+88%

162▼1Dutchess County, NYNY300,708796−10%

163▼19Madison County, ILIL263,110795+11%

164▲86Cumberland County, MEME317,222783+166%

165▼24Greene County, PAPA33,885778−38%

166▼44Washtenaw County, MIMI370,214777−13%

167▼4Camden County, NJNJ535,799775−34%

168▲18Virginia Beach, VAVA453,737756−2%

169▲78Sonoma County, CACA486,444755+102%

170▼60Prince William County, VAVA502,966746−6%

171▲33Bernalillo County, NMNM667,601742+11%

172▲98Sumter County, FLFL157,772740+88%

173▼13Hudson County, NJNJ735,033736−42%

174▲5Suffolk County, MAMA791,891727−1%

175▼38Volusia County, FLFL606,573725−18%

176▼10Essex County, NJNJ896,379722−46%

177▼58Wood County, OHOH134,176721−31%

178▼19Sangamon County, ILIL194,170718+1%

179▲9Jefferson County, KYKY795,222715+2%

180▲38Sussex County, DEDE277,140701+50%

181▲12Monongalia County, WVWV107,991692−23%

182▼44Miami-Dade County, FLFL2,802,029690−33%

183▲96Buncombe County, NCNC277,417682+483%

184▲10Greenville County, SCSC583,125674−6%

185▼56Travis County, TXTX1,389,670673−22%

186▼34Multnomah County, OROR795,391668−14%

187▼18Crawford County, PAPA81,792667−42%

188▼13Monroe County, NYNY750,506660−26%

189▼16Douglas County, COCO399,396655−31%

190Southeastern Connecticut Planning Region, CTCT284,015653–

191▲63Warren County, OHOH257,181651+39%

192▼49McHenry County, ILIL317,751650−13%

193▼28Lebanon County, PAPA146,380650−60%

194▲26Schenectady County, NYNY162,581647+19%

195▲2Saratoga County, NYNY241,343645−29%

196▲102Richmond County, NYNY501,290644+16%

197▼61Cherokee County, GAGA299,273644+53%

198▼41Sussex County, NJNJ148,063642−45%

199▲75Charleston County, SCSC436,200637+83%

200▲35Chittenden County, VTVT169,115632+53%

201▼3Wayne County, OHOH116,758629−23%

202▲19St. Clair County, MIMI160,486619+42%

203▼21Duval County, FLFL1,062,963615−33%

204▼46Horry County, SCSC427,5516100%

205▲28Chesterfield County, VAVA397,148610−11%

206▲34Johnson County, KSKS636,906606−22%

207▼22Racine County, WIWI198,919597−23%

208▲74San Mateo County, CACA743,568593+24%

209▲46Polk County, FLFL874,790582−45%

210▼23Warren County, NJNJ112,953579−21%

211▼49Jefferson County, PAPA43,255572−19%

212▼3Boone County, KYKY145,316571+283%

213▲133Richland County, OHOH124,893571+143%

214▲28Anoka County, MNMN381,605569−8%

215▲42Charlotte County, FLFL217,212569−25%

216▲84Hampden County, MAMA464,338566−37%

217▼49Muskegon County, MIMI177,901566−26%

218▼7Forsyth County, NCNC401,718565+14%

219▼17Boulder County, COCO328,560564−32%

220▲48Guilford County, NCNC562,234561+10%

221▲20Washington County, WIWI139,238558−10%

222▲9Alexandria, VAVA160,662556+12%

223▼20Gwinnett County, GAGA1,018,099556−25%

224▼28Dakota County, MNMN457,710551−30%

225▲82Elkhart County, ININ208,774550+633%

226▲101New Hanover County, NCNC245,959549+14%

227▲19Livingston County, MIMI197,315549−19%

228▼20Atlantic County, NJNJ278,657548−12%

229▼7Essex County, MAMA826,653530−25%

230▼40Fulton County, NYNY52,216516−23%

231▼32Pierce County, WAWA946,288512−50%

232▲86Williamson County, TXTX752,827508−6%

233▼10Baltimore, MDMD569,997507+36%

234▲14Niagara County, NYNY208,912507+10%

235▲30Greene County, OHOH174,322506+9%

236▲69Madison County, ALAL433,516506+199%

237▲30Licking County, OHOH185,564495−1%

238▼49Wayne County, PAPA51,703489−40%

239▼65Salt Lake County, UTUT1,220,916487−35%

240▼73St. Lucie County, FLFL402,449486+4%

241▼2Ottawa County, OHOH39,481485−29%

242▼100Harford County, MDMD266,446479−31%

243▲79Saginaw County, MIMI187,688477−30%

244▲67Albemarle County, VAVA118,356477+98%

245▲213Indian River County, FLFL172,799477+101%

246▲25Prince George's County, MDMD970,374475−44%

247▼30Kenosha County, WIWI168,448470−47%

248▼65Columbia County, PAPA66,193466−44%

249▲71Citrus County, FLFL171,666463+16%

250▲54Montgomery County, TXTX781,194454+10%

251▼56Orange County, NYNY417,669452−56%

252▲24Moore County, NCNC110,619451+182%

253▼4Tioga County, NYNY47,453448−18%

254▼41St. Johns County, FLFL346,328447−28%

255▼102Larimer County, COCO377,292443−31%

256▲214Kitsap County, WAWA283,374442+240%

257Lower Connecticut River Valley Planning Region, CTCT177,311437–

258▲14Durham County, NCNC347,240432+27%

259▲5Hillsborough County, NHNH433,415426+2%

260▼24Hancock County, WVWV27,729426−4%

261▼32Susquehanna County, PAPA38,237426−56%

262▲25Grundy County, ILIL54,052422+6%

263▼93Ventura County, CACA830,851418−27%

264▼48Albany County, NYNY321,225417−47%

265▲200Comal County, TXTX209,166417+330%

266▼65Knox County, TNTN511,453416+66%

267▲111Tippecanoe County, ININ190,456416+103%

268▼31Washington County, OROR611,708414−38%

269▲98Tulsa County, OKOK698,782411+53%

270▲31Pueblo County, COCO169,277408−23%

271▲207Merrimack County, NHNH158,078407+159%

272▼80Adams County, COCO554,668407−6%

273▼49Kalamazoo County, MIMI263,795405−31%

274▲103Oklahoma County, OKOK822,125403+28%

275▲8Franklin County, PAPA160,652403−21%

276▲346Hays County, TXTX304,390400+360%

277▼19Fayette County, KYKY329,751390+36%

278▲134DeKalb County, ILIL101,835389+50%

279▼20Worcester County, MDMD54,459387+217%

280▲150Chesapeake, VAVA255,332386+75%

281▼20Spokane County, WAWA558,344386−19%

282▼5Union County, NCNC267,674385+49%

283▲8St. Joseph County, ININ272,861385−2%

284▼24Ohio County, WVWV40,496384+22%

285▲109Brunswick County, NCNC174,702383+43%

286▼54Lycoming County, PAPA112,587381−12%

287▼49Fort Bend County, TXTX975,191378+21%

288▼74Carroll County, MDMD176,677376−32%

289▲4Richmond, VAVA237,257375+4%

290▼60Fairfield County, OHOH169,752373−14%

291▼111Jackson County, MOMO732,994371−45%

292▲17Placer County, CACA442,081368+7%

293▼67Putnam County, NYNY99,028368−16%

294▼13Pinal County, AZAZ539,380365−45%

295▲33Cabarrus County, NCNC249,725365+82%

296▲35Adams County, PAPA107,594365−15%

297▼121Marion County, FLFL442,660364−42%

298▼29York County, SCSC306,887361−41%

299▲38Rutherford County, TNTN386,352360+49%

300▲13Spotsylvania County, VAVA155,388359+48%

301▲95Martin County, FLFL166,272354−37%

302▲114Lancaster County, NENE334,049353+115%

303▲223Clay County, FLFL239,593351−9%

304▲107Weld County, COCO378,426348+30%

305▲3Honolulu County, HIHI988,703348+7%

306▼79Plymouth County, MAMA546,829346+30%

307▲7Monterey County, CACA433,729342−22%

308▼14Ada County, IDID546,141342+21%

309▲152Monroe County, MIMI156,004339−5%

310▼13St. Louis County, MNMN200,518339−52%

311▲44St. Louis, MOMO278,144338+3%

312▲20Santa Cruz County, CACA258,852335+2%

313▲41Clermont County, OHOH216,977332+27%

314▼4St. Charles County, MOMO426,499331−34%

315▲35DeKalb County, GAGA774,394331−19%

316▼31Livingston County, ILIL35,057329−38%

317▲85Washington County, MDMD157,731325+1%

318▲119Huron County, OHOH58,250324+16%

319▲123Eaton County, MIMI109,5813230%

320▲70Bradford County, PAPA59,600322+39%

321▼69Berrien County, MIMI152,444321+84%

322▼94Williamson County, TNTN272,061319+39%

323Northeastern Connecticut Planning Region, CTCT98,096318–

324▼71Thurston County, WAWA304,261316−7%

325▼1Stafford County, VAVA170,803315+2%

326▼24Washoe County, NVNV509,386315−45%

327▲57St. Clair County, ILIL250,708315−19%

328▼150Kendall County, ILIL145,470313−32%

329▼85Davidson County, TNTN745,904311−27%

330Brookings County, SDSD37,635311+1314%

331▲128San Luis Obispo County, CACA282,367310+37%

332▲26Providence County, RIRI678,179310−40%

333▼128Allen County, ININ402,329309−49%

334▼39Clackamas County, OROR426,280307−11%

335▲33Johnson County, ININ174,262307+61%

336▼136Ottawa County, MIMI308,459305−37%

337▲156Rock County, WIWI166,472303+212%

338▲55Rockingham County, NHNH324,077303−19%

339▲48Fauquier County, VAVA76,503300+16%

340▲98Santa Barbara County, CACA442,065300−28%

341▼79Forsyth County, GAGA282,805299−42%

342▲410Eagle County, COCO54,291296+193%

343▼5Gaston County, NCNC246,558291+55%

344▲3Tuscarawas County, OHOH92,373290−39%

345▲72Lee County, ALAL189,881288+336%

346▼54Wyoming County, PAPA25,790288−59%

347▲27Bronx County, NYNY1,406,332284+26%

348▲23Hernando County, FLFL221,701284−47%

349▼76Orange County, NCNC152,498283+65%

350▼44McLean County, ILIL171,419280−54%

351▲92Doña Ana County, NMNM229,091276+124%

352▲119Sandusky County, OHOH58,655276+142%

353▼11Okaloosa County, FLFL221,810275−21%

354▼79Flagler County, FLFL140,360274−18%

355▼112Escambia County, FLFL333,834273+56%

356▲39Greene County, NYNY47,238272+75%

357▼79Anchorage, AKAK287,155270−37%

358▲76Washington County, MNMN286,895270−5%

359▲87Hall County, GAGA226,568269+112%

360▼16Lane County, OROR381,584268+9%

361▲60Deschutes County, OROR213,072262+10%

362▼78Monroe County, ININ143,345262+6%

363▲465Kootenai County, IDID191,864261+71%

364▼28Shiawassee County, MIMI67,681260−51%

365▲24Douglas County, WIWI43,990260+24%

366▼141LaPorte County, ININ111,294260−23%

367▼51Union County, OHOH73,446259+73%

368▼8Warren County, KYKY149,375258+932%

369▼81James City County, VAVA83,326258+21%

370▼74Yavapai County, AZAZ252,552255−26%

371▼159Ingham County, MIMI289,709255−64%

372▼21Cape May County, NJNJ93,390255+7%

373▲3Iredell County, NCNC211,798254+17%

374▲66Clay County, MOMO265,032251+98%

375▲104Coconino County, AZAZ144,368250+24%

376▲108Linn County, IAIA232,028250+103%

377▲46Jasper County, ININ33,894248−3%

378▲49Washington County, RIRI129,795248+49%

379▲236York County, MEME222,434247+31%

380▲64Muskingum County, OHOH87,014246+17%

381▼20Norfolk, VAVA231,013246−55%

382▲246Knox County, OHOH64,002242+22%

383▼14Boone County, ININ80,689240−16%

384▼65El Dorado County, CACA192,323239+20%

385▼51Winnebago County, ILIL283,674239−5%

386▼37Venango County, PAPA49,346237−44%

387▲104Lexington County, SCSC317,588237+60%

388▼18McKean County, PAPA38,984236−11%

389▼74Hamilton County, TNTN390,833236−20%

390▼60Santa Rosa County, FLFL211,115233+10%

391▼140Henrico County, VAVA342,775233−43%

392▼7Douglas County, NENE606,460231−37%

393▼60Hancock County, OHOH75,034230+30%

394▼77Calvert County, MDMD94,484228−14%

395▼3Polk County, IAIA516,546228−50%

396▼34York County, VAVA71,374227−27%

397▼15Osceola County, FLFL481,718227+37%

398▼57Alachua County, FLFL290,028226+10%

399▲10Marathon County, WIWI139,432224−11%

400▲54Minnehaha County, SDSD212,691223+10%

401▲168Ozaukee County, WIWI94,346219−34%

402▲137Johnson County, IAIA160,044218+8%

403▲53Wicomico County, MDMD106,899218+70%

404▲125Ontario County, NYNY113,130218−20%

405▲450Johnston County, NCNC256,448218+63%

406▲77Nassau County, FLFL106,879216−10%

407▼144Marin County, CACA253,694215−35%

408▲110Clark County, OHOH135,340213−46%

409▲115Orange County, VAVA40,083210+1809%

410▲8Shelby County, TNTN910,226209−62%

411▲223Kern County, CACA927,068209+22%

412▼14Midland County, MIMI83,754209−6%

413▲177Grand Traverse County, MIMI96,729209+182%

414▼31Sedgwick County, KSKS538,433209+105%

415▼62Barnstable County, MAMA233,539206−44%

416▲41Solano County, CACA455,376205−60%

417▼92Utah County, UTUT759,859204+11%

418▲133Mohave County, AZAZ228,1022030%

419▲162Berkeley County, SCSC274,666203−2%

420Mercer County, WVWV57,503203+408%

421▼118Androscoggin County, MEME116,487202−34%

422▼63Clinton County, MIMI80,432202−38%

423▼17Dunn County, WIWI46,223198−19%

424▼68St. Mary's County, MDMD116,692198−50%

425▲20Bayfield County, WIWI16,787197−27%

426▲49Anderson County, SCSC219,930195+3%

427▲276Fayette County, GAGA125,156195+110%

428▲75Jackson County, OROR221,795194−27%

429▼14Clark County, WAWA532,119194−37%

430▲167Newport County, RIRI83,051193−12%

431▲702Franklin County, VAVA55,526193+227%

432▲245Dodge County, WIWI89,097193+79%

433▲74Perry County, PAPA46,806190−23%

434▼62Kennebec County, MEME129,067189−20%

435▼179Brooke County, WVWV21,142189−56%

436▼79Athens County, OHOH63,197187−61%

437▲448Bossier Parish, LALA131,867185+671%

438▲107Orleans Parish, LALA362,154184+77%

439▼17Silver Bow County, MTMT36,118183+132%

440▲58Bedford County, PAPA47,480183−46%

441▼207Ulster County, NYNY183,330183−66%

442▲267Bedford County, VAVA83,059181−3%

443▲5Sheboygan County, WIWI118,047180−29%

444▲366Pitt County, NCNC182,936179+83%

445▲67Kent County, DEDE194,786178−58%

446▲325Missoula County, MTMT123,513177+58%

447▼50Cayuga County, NYNY74,365177+48%

448▼22Peoria County, ILIL178,553177−58%

449▲158Jefferson County, WIWI86,505176+76%

450▲39St. Tammany Parish, LALA279,108173−3%

451▲39Fulton County, OHOH41,853173+22%

452▲703La Plata County, COCO56,898173+226%

453▲7Coweta County, GAGA160,240173+16%

454▲450Schuyler County, NYNY16,924172+912%

455▲193Newport News, VAVA183,230172−17%

456▼167Hampshire County, MAMA164,065170−55%

457▲11Chautauqua County, NYNY124,126170−33%

458▼50Ashland County, OHOH52,523170−54%

459▲742Curry County, OROR22,621170+315%

460▼81Warren County, PAPA37,038169−62%

461▼195Jefferson County, ALAL665,742169−58%

462▼34Jefferson County, MOMO233,132168−23%

463▼151Kanawha County, WVWV172,381168−6%

464▼54Hendricks County, ININ193,510168−58%

465▲17Onslow County, NCNC217,175167−31%

466▼41Clinton County, PAPA37,870166−50%

467▲94Culpeper County, VAVA57,666166+55%

468▲69Whatcom County, WAWA236,392166+21%

469▲59Berkshire County, MAMA128,224165−19%

470▼127Hanover County, VAVA116,423165−51%

471▼252Brown County, WIWI275,803163−64%

472▼8Outagamie County, WIWI195,894163−25%

473▲257Christian County, ILIL33,443163+55%

474▲30Jackson County, MIMI159,552162−33%

475▲232Georgetown County, SCSC65,912162+100%

476▼37Bennington County, VTVT36,630162+161%

477Olmsted County, MNMN166,731161−32%

478▼87Scott County, MNMN159,017161+3%

479▲87Wright County, MNMN157,559160−48%

480▲66Jefferson County, ININ33,279160+68%

481▲79Cumberland County, NJNJ157,148158−14%

482▲137Garfield County, COCO63,474158+229%

483▼78Gratiot County, MIMI41,190157+43%

484▲215Rowan County, NCNC155,096156+97%

485▲99Broomfield County, COCO79,174155+109%

486▲78Stanislaus County, CACA557,719154+166%

487▼1Price County, WIWI13,988153−23%

488▼53Clarion County, PAPA36,680152−1%

489▲132Linn County, OROR132,843151+358%

490▲48Union County, PAPA42,313151+25%

491▲32Clarke County, VAVA15,609151+403%

492▼119Dorchester County, SCSC178,397151−52%

493▲376Black Hawk County, IAIA131,532151−8%

494▼22Henderson County, NCNC122,375151+12%

495▲117Cattaraugus County, NYNY75,390150+142%

496▲118McLennan County, TXTX272,020147+133%

497▼133Leon County, FLFL299,048147−64%

498▼218Champaign County, ILIL209,972147−60%

499▲90Shelby County, ALAL238,552145+174%

500▲91Mobile County, ALAL411,658144−45%

SHOWING 1–500 OF 1,817

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Download CSV (full list, 1,817 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES

Frequently asked

Which county has the highest slovak population?

Allegheny County, Pennsylvania ranks #1 with 33,901 (2024 American Community Survey).

What are the top 5 counties by slovak population?

Allegheny County, Pennsylvania, Cuyahoga County, Ohio, Westmoreland County, Pennsylvania, Mahoning County, Ohio, Cook County, Illinois.

How many counties are in this ranking?

1,817 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.

How is slovak population measured?

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