RANKING · 2010 CENSUS · 500 SHOWN OF 3,024

Largest Polish population, US counties · 2010

US counties ranked by the number of residents who are Polish ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Cook County, Illinois leads at 488,352. 3,024 counties qualify in total. New York carries 6 of the top 25 entries. The median across all 3,024 is 300.

Polish Americans: full group profile →

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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

RANKPLACESTATEPOPPOLISH POPULATIONVS –

USUnited States3.2% of US population308,745,5389,835,459–

01Cook County, ILIL5,194,625488,352–

02Erie County, NYNY946,741174,651–

03Macomb County, MIMI886,221156,887–

04Wayne County, MIMI1,769,038154,979–

05Los Angeles County, CACA9,694,934126,154–

06Oakland County, MIMI1,288,337122,157–

07Allegheny County, PAPA1,225,035117,739–

08Milwaukee County, WIWI924,216112,875–

09Cuyahoga County, OHOH1,232,925111,245–

10DuPage County, ILIL934,298110,757–

11Maricopa County, AZAZ4,689,558105,581–

12Suffolk County, NYNY1,546,09089,379–

13Will County, ILIL712,25389,171–

14Luzerne County, PAPA332,12675,045–

15Nassau County, NYNY1,398,93972,081–

16Kings County, NYNY2,653,96366,792–

17Lake County, ILIL719,33965,403–

18New York County, NYNY1,664,86264,078–

19Bergen County, NJNJ977,02662,434–

20Middlesex County, NJNJ883,33562,180–

21San Diego County, CACA3,282,24862,094–

22Palm Beach County, FLFL1,575,72661,639–

23Queens County, NYNY2,358,18259,757–

24Middlesex County, MAMA1,669,97959,681–

25Philadelphia County, PAPA1,574,28158,395–

26Waukesha County, WIWI417,21056,234–

27Montgomery County, PAPA877,64355,685–

28Worcester County, MAMA888,50255,442–

29Broward County, FLFL2,013,31754,896–

30Ocean County, NJNJ673,74654,844–

31Orange County, CACA3,149,50753,033–

32Bucks County, PAPA647,82852,163–

33Hampden County, MAMA464,33850,776–

34Kent County, MIMI675,23249,004–

35Hennepin County, MNMN1,284,78448,705–

36Clark County, NVNV2,407,22647,577–

37Lake County, ININ504,61247,271–

38Monmouth County, NJNJ651,03546,207–

39Baltimore County, MDMD847,65046,178–

40McHenry County, ILIL317,75143,429–

41Harris County, TXTX5,045,02643,207–

42Lucas County, OHOH423,34742,924–

43King County, WAWA2,344,93941,727–

44Monroe County, NYNY750,50640,211–

45Westmoreland County, PAPA349,32439,939–

46Kane County, ILIL525,75739,862–

47Pinellas County, FLFL948,56339,840–

48Lackawanna County, PAPA216,50238,958–

49Westchester County, NYNY1,015,74337,394–

50Morris County, NJNJ524,25135,845–

51Erie County, PAPA265,83235,681–

52Onondaga County, NYNY466,58435,362–

53Burlington County, NJNJ481,43934,323–

54New Castle County, DEDE588,02633,108–

55St. Joseph County, ININ272,86131,955–

56Essex County, MAMA826,65331,641–

57Union County, NJNJ601,86331,186–

58Camden County, NJNJ535,79930,212–

59Fairfax County, VAVA1,167,87329,504–

60Riverside County, CACA2,544,91629,431–

61St. Louis County, MOMO990,91129,254–

62Montgomery County, MDMD1,074,58229,166–

63Franklin County, OHOH1,361,53629,037–

64Hillsborough County, FLFL1,574,11528,775–

65Mercer County, NJNJ399,28928,207–

66Brown County, WIWI275,80327,850–

67Summit County, OHOH538,37627,447–

68Norfolk County, MAMA739,74927,255–

69Niagara County, NYNY208,91226,701–

70Delaware County, PAPA580,93726,263–

71Anne Arundel County, MDMD603,38026,179–

72Chester County, PAPA557,11626,173–

73Oneida County, NYNY226,39226,014–

74Berks County, PAPA440,07225,823–

75Pima County, AZAZ1,074,68525,636–

76Dane County, WIWI590,37525,306–

77Passaic County, NJNJ531,62425,277–

78Lorain County, OHOH323,21925,192–

79Washtenaw County, MIMI370,21425,182–

80Somerset County, NJNJ356,48624,904–

81Bristol County, MAMA593,64024,515–

82Hudson County, NJNJ735,03323,921–

83Bexar County, TXTX2,160,08823,775–

84Anoka County, MNMN381,60523,688–

85Providence County, RIRI678,17923,633–

86Genesee County, MIMI401,09323,616–

87Livingston County, MIMI197,31523,567–

88Marathon County, WIWI139,43223,395–

89Essex County, NJNJ896,37923,292–

90Douglas County, NENE606,46023,152–

91San Bernardino County, CACA2,224,09122,930–

92Washington County, PAPA210,80222,604–

93Hampshire County, MAMA164,06522,535–

94Ramsey County, MNMN541,62322,524–

95Portage County, WIWI71,94322,236–

96Lee County, FLFL875,60722,201–

97Bay County, MIMI102,12322,193–

98Miami-Dade County, FLFL2,802,02922,101–

99Tarrant County, TXTX2,248,46622,088–

100Santa Clara County, CACA1,914,39121,479–

101St. Clair County, MIMI160,48621,303–

102Wake County, NCNC1,257,23521,156–

103Albany County, NYNY321,22520,711–

104Orange County, NYNY417,66920,649–

105Orange County, FLFL1,528,00220,586–

106Gloucester County, NJNJ312,63820,430–

107Hillsborough County, NHNH433,41519,596–

108Alameda County, CACA1,636,63019,584–

109Pasco County, FLFL674,51619,465–

110Brevard County, FLFL663,98219,401–

111Ventura County, CACA830,85118,700–

112Richmond County, NYNY501,29018,430–

113Sacramento County, CACA1,618,46018,395–

114Saginaw County, MIMI187,68818,282–

115Suffolk County, MAMA791,89118,158–

116Dallas County, TXTX2,661,39718,080–

117Racine County, WIWI198,91917,988–

118Medina County, OHOH185,02517,719–

119Volusia County, FLFL606,57317,627–

120Lake County, OHOH232,21717,548–

121Northampton County, PAPA324,41117,349–

122Sarasota County, FLFL479,95817,137–

123Lehigh County, PAPA384,38317,019–

124Schuylkill County, PAPA145,08517,006–

125Plymouth County, MAMA546,82916,960–

126Rockland County, NYNY357,39716,940–

127Dakota County, MNMN457,71016,897–

128Pierce County, WAWA946,28816,757–

129Mecklenburg County, NCNC1,233,38316,672–

130Rockingham County, NHNH324,07716,607–

131Harford County, MDMD266,44616,525–

132Saratoga County, NYNY241,34316,507–

133Jefferson County, COCO580,45116,430–

134Porter County, ININ176,04916,382–

135El Paso County, COCO757,04016,211–

136San Francisco County, CACA826,07916,127–

137Cambria County, PAPA128,96816,075–

138Travis County, TXTX1,389,67015,971–

139Kenosha County, WIWI168,44815,704–

140Ingham County, MIMI289,70915,493–

141Contra Costa County, CACA1,170,07015,430–

142Monroe County, MIMI156,00415,376–

143Duval County, FLFL1,062,96315,291–

144Baltimore, MDMD569,99715,080–

145Multnomah County, OROR795,39114,999–

146Ottawa County, MIMI308,45914,801–

147Dutchess County, NYNY300,70814,799–

148Collin County, TXTX1,297,17914,446–

149Lancaster County, PAPA563,15914,399–

150Chautauqua County, NYNY124,12614,377–

151Kalamazoo County, MIMI263,79514,325–

152Arapahoe County, COCO673,82014,264–

153Broome County, NYNY195,73614,217–

154York County, PAPA473,19714,214–

155Winnebago County, WIWI174,21814,195–

156Washington County, WIWI139,23814,095–

157Fulton County, GAGA1,098,79113,818–

158Seminole County, FLFL491,88413,719–

159Marion County, ININ992,19613,696–

160Hunterdon County, NJNJ131,78113,596–

161Washington County, MNMN286,89513,401–

162Fayette County, PAPA123,02113,263–

163Beaver County, PAPA166,03213,251–

164Sussex County, NJNJ148,06313,218–

165Howard County, MDMD339,18312,980–

166Butler County, PAPA200,16912,875–

167Schenectady County, NYNY162,58112,827–

168LaPorte County, ININ111,29412,809–

169Denton County, TXTX1,069,34612,606–

170Berkshire County, MAMA128,22412,561–

171Cobb County, GAGA793,34512,554–

172Snohomish County, WAWA870,65612,456–

173St. Louis County, MNMN200,51812,450–

174Polk County, FLFL874,79012,427–

175Johnson County, KSKS636,90612,407–

176Denver County, COCO740,61312,238–

177Gwinnett County, GAGA1,018,09912,051–

178Virginia Beach, VAVA453,73711,914–

179Stearns County, MNMN164,11011,912–

180Hamilton County, OHOH838,41811,895–

181District of Columbia, DCDC693,64511,744–

182Mahoning County, OHOH224,70611,693–

183Outagamie County, WIWI195,89411,693–

184Collier County, FLFL417,13111,689–

185Muskegon County, MIMI177,90111,622–

186Jackson County, MIMI159,55211,543–

187Monroe County, PAPA167,17911,419–

188St. Charles County, MOMO426,49911,380–

189Stark County, OHOH373,77111,279–

190Boulder County, COCO328,56011,175–

191Atlantic County, NJNJ278,65711,037–

192Northumberland County, PAPA89,92010,994–

193Bernalillo County, NMNM667,60110,984–

194Winnebago County, ILIL283,67410,901–

195Montgomery County, OHOH539,59810,812–

196San Mateo County, CACA743,56810,638–

197Portage County, OHOH163,40410,497–

198Rensselaer County, NYNY160,51010,494–

199Manatee County, FLFL468,20010,205–

200Loudoun County, VAVA449,74910,072–

201Walworth County, WIWI106,12710,056–

202Salt Lake County, UTUT1,220,91610,051–

203Kendall County, ILIL145,47010,018–

204Cumberland County, PAPA277,2709,979–

205Montgomery County, TXTX781,1949,871–

206Barnstable County, MAMA233,5399,862–

207Washington County, OROR611,7089,835–

208Ozaukee County, WIWI94,3469,789–

209Prince William County, VAVA502,9669,771–

210Trumbull County, OHOH198,9729,735–

211Douglas County, COCO399,3969,725–

212Ulster County, NYNY183,3309,470–

213Marion County, FLFL442,6609,381–

214Warren County, NJNJ112,9539,371–

215Dauphin County, PAPA293,3519,205–

216Cattaraugus County, NYNY75,3909,202–

217Hamilton County, ININ387,0369,200–

218Wood County, WIWI74,0609,086–

219Franklin County, MAMA70,6989,004–

220Adams County, COCO554,6688,936–

221LaSalle County, ILIL107,7738,925–

222Jackson County, MOMO732,9948,873–

223Lapeer County, MIMI89,5168,859–

224Carroll County, MDMD176,6778,847–

225Lake County, FLFL456,0688,824–

226Honolulu County, HIHI988,7038,542–

227Madison County, ILIL263,1108,422–

228Wood County, OHOH134,1768,421–

229Frederick County, MDMD302,8838,369–

230Manitowoc County, WIWI81,7108,354–

231Hernando County, FLFL221,7018,340–

232Cumberland County, MEME317,2228,329–

233Allen County, ININ402,3298,297–

234St. Lucie County, FLFL402,4498,283–

235Sonoma County, CACA486,4448,261–

236Spokane County, WAWA558,3448,254–

237Jefferson County, KYKY795,2228,193–

238Sarpy County, NENE208,3038,135–

239Anchorage, AKAK287,1558,074–

240Williamson County, TXTX752,8278,053–

241Wright County, MNMN157,5598,004–

242Kent County, RIRI173,4957,984–

243Washoe County, NVNV509,3867,954–

244Lawrence County, PAPA83,9117,922–

245Berrien County, MIMI152,4447,899–

246Lancaster County, NENE334,0497,895–

247Larimer County, COCO377,2927,844–

248Grand Traverse County, MIMI96,7297,841–

249Bronx County, NYNY1,406,3327,834–

250Pinal County, AZAZ539,3807,810–

251Oswego County, NYNY118,5697,803–

252Geauga County, OHOH95,6767,752–

253Morrison County, MNMN34,6207,740–

254Centre County, PAPA157,3937,677–

255Shelby County, TNTN910,2267,587–

256Clark County, WAWA532,1197,554–

257Sussex County, DEDE277,1407,319–

258DeKalb County, ILIL101,8357,317–

259La Crosse County, WIWI121,3397,284–

260Midland County, MIMI83,7547,209–

261Prince George's County, MDMD970,3747,182–

262Rock County, WIWI166,4727,118–

263Santa Barbara County, CACA442,0657,078–

264Alpena County, MIMI28,8537,075–

265Fort Bend County, TXTX975,1917,063–

266Champaign County, ILIL209,9727,051–

267Oklahoma County, OKOK822,1257,026–

268Dodge County, WIWI89,0977,016–

269Lane County, OROR381,5846,991–

270Greenville County, SCSC583,1256,976–

271Horry County, SCSC427,5516,974–

272Davidson County, TNTN745,9046,972–

273Placer County, CACA442,0816,939–

274Huron County, MIMI30,5306,934–

275Delaware County, OHOH242,0326,886–

276Alachua County, FLFL290,0286,878–

277Genesee County, NYNY58,4166,848–

278Charlotte County, FLFL217,2126,840–

279St. Clair County, ILIL250,7086,702–

280DeKalb County, GAGA774,3946,692–

281Tulsa County, OKOK698,7826,685–

282Arlington County, VAVA243,9316,664–

283Cape May County, NJNJ93,3906,643–

284Yavapai County, AZAZ252,5526,591–

285Chittenden County, VTVT169,1156,579–

286Mercer County, PAPA107,8606,511–

287Clackamas County, OROR426,2806,497–

288Kankakee County, ILIL105,5256,448–

289Indiana County, PAPA82,8786,446–

290Fond du Lac County, WIWI104,6696,401–

291Sherburne County, MNMN104,1946,377–

292St. Louis, MOMO278,1446,363–

293Belmont County, OHOH64,4346,312–

294Ada County, IDID546,1416,298–

295Jefferson County, WIWI86,5056,277–

296Marin County, CACA253,6946,257–

297Eau Claire County, WIWI109,0336,168–

298Butler County, OHOH400,1286,159–

299Chemung County, NYNY80,4156,087–

300Washington County, RIRI129,7956,073–

301Knox County, TNTN511,4536,072–

302Allegan County, MIMI123,1886,025–

303Martin County, FLFL166,2726,022–

304Kern County, CACA927,0686,012–

305Jefferson County, MOMO233,1325,951–

306Marinette County, WIWI42,5745,940–

307St. Johns County, FLFL346,3285,918–

308Benton County, MNMN41,7445,898–

309Ashtabula County, OHOH96,7135,897–

310McLean County, ILIL171,4195,867–

311Guilford County, NCNC562,2345,843–

312Tippecanoe County, ININ190,4565,824–

313Chesterfield County, VAVA397,1485,814–

314Charleston County, SCSC436,2005,800–

315Jefferson County, OHOH63,5975,796–

316Merrimack County, NHNH158,0785,789–

317Elkhart County, ININ208,7745,788–

318Polk County, IAIA516,5465,765–

319Sheboygan County, WIWI118,0475,761–

320Mohave County, AZAZ228,1025,697–

321Crawford County, PAPA81,7925,688–

322Escambia County, FLFL333,8345,669–

323Tuscola County, MIMI52,6805,666–

324Leon County, FLFL299,0485,637–

325York County, MEME222,4345,603–

326Putnam County, NYNY99,0285,597–

327Eaton County, MIMI109,5815,581–

328Trempealeau County, WIWI31,1715,578–

329Warren County, OHOH257,1815,547–

330Lycoming County, PAPA112,5875,546–

331Henrico County, VAVA342,7755,537–

332Lenawee County, MIMI97,7795,517–

333Winona County, MNMN50,5235,492–

334Santa Cruz County, CACA258,8525,485–

335Oconto County, WIWI40,1955,473–

336Ontario County, NYNY113,1305,470–

337Cayuga County, NYNY74,3655,462–

338Wayne County, PAPA51,7035,447–

339Kitsap County, WAWA283,3745,445–

340Scott County, MNMN159,0175,417–

341Cumberland County, NJNJ157,1485,393–

342Beaufort County, SCSC204,4335,388–

343Chippewa County, WIWI67,6145,345–

344Sedgwick County, KSKS538,4335,332–

345Osceola County, FLFL481,7185,327–

346Citrus County, FLFL171,6665,318–

347Blair County, PAPA119,5415,314–

348Herkimer County, NYNY59,2195,302–

349Montgomery County, NYNY50,0465,283–

350San Luis Obispo County, CACA282,3675,268–

351Clearfield County, PAPA78,1005,216–

352Kent County, DEDE194,7865,166–

353Steuben County, NYNY91,8555,161–

354Galveston County, TXTX372,2075,103–

355Jefferson County, ALAL665,7425,097–

356Monroe County, ININ143,3454,992–

357Thurston County, WAWA304,2614,982–

358Armstrong County, PAPA63,6984,958–

359Isabella County, MIMI64,6914,924–

360Sanilac County, MIMI40,0834,858–

361Buncombe County, NCNC277,4174,848–

362Calhoun County, MIMI133,4084,836–

363Cherokee County, GAGA299,2734,827–

364Cecil County, MDMD107,1314,820–

365Union County, NCNC267,6744,811–

366Somerset County, PAPA72,0044,808–

367Shawano County, WIWI41,5604,794–

368Onslow County, NCNC217,1754,786–

369San Joaquin County, CACA823,8154,774–

370Otsego County, MIMI26,0804,763–

371Weld County, COCO378,4264,706–

372Solano County, CACA455,3764,695–

373Indian River County, FLFL172,7994,654–

374Clay County, MOMO265,0324,638–

375Cumberland County, NCNC338,4734,638–

376Monongalia County, WVWV107,9914,635–

377Columbia County, PAPA66,1934,593–

378Grundy County, ILIL54,0524,568–

379Fresno County, CACA1,035,4564,529–

380Pike County, PAPA62,8084,523–

381Clay County, FLFL239,5934,514–

382Forsyth County, GAGA282,8054,507–

383Durham County, NCNC347,2404,447–

384Manistee County, MIMI25,6564,437–

385Olmsted County, MNMN166,7314,427–

386St. Croix County, WIWI98,2764,425–

387Van Buren County, MIMI76,0714,374–

388Carbon County, PAPA65,8684,374–

389Sangamon County, ILIL194,1704,350–

390Madison County, NYNY67,1204,350–

391Forsyth County, NCNC401,7184,314–

392Wayne County, NYNY91,2504,302–

393New Hanover County, NCNC245,9594,302–

394Marion County, OROR355,7774,291–

395Chesapeake, VAVA255,3324,283–

396Sullivan County, NYNY80,5864,248–

397Wyoming County, NYNY39,7414,223–

398Rutland County, VTVT59,6534,195–

399Fayette County, KYKY329,7514,181–

400Newport County, RIRI83,0514,152–

401Cass County, NDND201,7944,137–

402Wilson County, TXTX56,1394,137–

403Richland County, SCSC434,9564,124–

404Shiawassee County, MIMI67,6814,112–

405Flagler County, FLFL140,3604,099–

406Susquehanna County, PAPA38,2374,095–

407Fulton County, NYNY52,2164,092–

408Madison County, ALAL433,5164,063–

409Waupaca County, WIWI51,4614,047–

410Greene County, MOMO309,2864,030–

411Peoria County, ILIL178,5534,026–

412Brazoria County, TXTX419,0803,997–

413Jefferson County, NYNY111,5403,949–

414Orleans County, NYNY39,8253,934–

415Grand Forks County, NDND74,5013,894–

416Wyoming County, PAPA25,7903,861–

417Monterey County, CACA433,7293,860–

418Brazos County, TXTX249,0883,840–

419Norfolk, VAVA231,0133,837–

420Jackson County, OROR221,7953,832–

421Tompkins County, NYNY104,0473,827–

422Okaloosa County, FLFL221,8103,820–

423Hall County, NENE63,6333,801–

424Oneida County, WIWI38,1313,787–

425Stanislaus County, CACA557,7193,753–

426Johnson County, IAIA160,0443,752–

427Alexandria, VAVA160,6623,729–

428Cass County, MIMI51,6773,721–

429Chisago County, MNMN59,1423,719–

430Williamson County, TNTN272,0613,719–

431El Paso County, TXTX877,8583,698–

432Whatcom County, WAWA236,3923,697–

433York County, SCSC306,8873,693–

434Presque Isle County, MIMI13,1283,686–

435Clinton County, MIMI80,4323,683–

436Pulaski County, ARAR404,6113,658–

437Platte County, NENE35,6493,658–

438Carver County, MNMN114,3793,657–

439Orange County, NCNC152,4983,649–

440Emmet County, MIMI33,7753,648–

441Lebanon County, PAPA146,3803,643–

442Sauk County, WIWI66,6523,637–

443Douglas County, WIWI43,9903,634–

444Lexington County, SCSC317,5883,633–

445Rutherford County, TNTN386,3523,605–

446Columbia County, NYNY60,1683,588–

447Nueces County, TXTX352,9923,567–

448Clark County, WIWI35,0523,550–

449Cheshire County, NHNH78,2693,540–

450Washington County, MDMD157,7313,537–

451Columbiana County, OHOH99,3773,535–

452Marquette County, MIMI68,0643,501–

453Davis County, UTUT381,2273,500–

454Strafford County, NHNH135,0433,484–

455Clermont County, OHOH216,9773,481–

456Franklin County, PAPA160,6523,449–

457Yolo County, CACA224,4103,447–

458Licking County, OHOH185,5643,439–

459Greene County, OHOH174,3223,427–

460El Dorado County, CACA192,3233,418–

461Branch County, MIMI45,9933,396–

462Columbia County, WIWI58,1323,385–

463Mason County, MIMI29,0403,366–

464Bell County, TXTX402,2483,331–

465Scott County, IAIA175,2593,312–

466Stafford County, VAVA170,8033,278–

467Deschutes County, OROR213,0723,241–

468Ohio County, WVWV40,4963,232–

469Rock Island County, ILIL141,8693,231–

470Hamilton County, TNTN390,8333,211–

471Utah County, UTUT759,8593,210–

472Cheboygan County, MIMI25,7933,169–

473Calumet County, WIWI53,9823,151–

474Menominee County, MIMI22,9413,133–

475Richmond, VAVA237,2573,121–

476Benton County, WAWA221,7223,118–

477Adams County, PAPA107,5943,093–

478St. Mary's County, MDMD116,6923,082–

479Cleveland County, OKOK303,9733,065–

480Green Lake County, WIWI19,3053,058–

481Penobscot County, MEME157,9673,042–

482Livingston County, NYNY61,4383,039–

483Santa Rosa County, FLFL211,1153,024–

484St. Lawrence County, NYNY105,4883,024–

485Crow Wing County, MNMN69,1323,023–

486Butte County, CACA209,2113,001–

487Fairfield County, OHOH169,7522,996–

488Kootenai County, IDID191,8642,986–

489Cabarrus County, NCNC249,7252,969–

490Salem County, NJNJ66,2802,964–

491Fulton County, OHOH41,8532,964–

492Sumter County, FLFL157,7722,952–

493Grafton County, NHNH93,2252,945–

494Ionia County, MIMI66,5572,919–

495Linn County, IAIA232,0282,904–

496Spotsylvania County, VAVA155,3882,896–

497Waushara County, WIWI25,2232,887–

498Charles County, MDMD176,5932,885–

499Albemarle County, VAVA118,3562,881–

500Shelby County, ALAL238,5522,880–

SHOWING 1–500 OF 3,024

Download CSV (full list, 3,024 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS

Frequently asked

Which county has the highest polish population?

Cook County, Illinois ranks #1 with 488,352 (2010 Decennial Census).

What are the top 5 counties by polish population?

Cook County, Illinois, Erie County, New York, Macomb County, Michigan, Wayne County, Michigan, Los Angeles County, California.

How many counties are in this ranking?

3,024 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 Decennial Census data.

How is polish population measured?

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