RANKING · 2010 CENSUS · 500 SHOWN OF 1,576

Largest Romanian population, US counties · 2010

US counties ranked by the number of residents who are Romanian 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 20,601. 1,576 counties qualify in total. California carries 5 of the top 25 entries.

Romanian 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

RANKPLACESTATEPOPROMANIAN POPULATIONVS –

USUnited States0.2% of US population308,745,538468,156–

01Cook County, ILIL5,194,62520,601–

02Los Angeles County, CACA9,694,93418,616–

03Queens County, NYNY2,358,18211,686–

04Maricopa County, AZAZ4,689,55810,521–

05Orange County, CACA3,149,5079,485–

06Broward County, FLFL2,013,3178,972–

07Kings County, NYNY2,653,9638,046–

08Oakland County, MIMI1,288,3377,814–

09New York County, NYNY1,664,8627,692–

10Wayne County, MIMI1,769,0387,244–

11Cuyahoga County, OHOH1,232,9257,213–

12Palm Beach County, FLFL1,575,7267,178–

13King County, WAWA2,344,9396,737–

14Sacramento County, CACA1,618,4606,240–

15Macomb County, MIMI886,2216,202–

16Nassau County, NYNY1,398,9395,933–

17Multnomah County, OROR795,3915,767–

18Riverside County, CACA2,544,9164,720–

19Gwinnett County, GAGA1,018,0994,417–

20Suffolk County, NYNY1,546,0904,330–

21Harris County, TXTX5,045,0264,249–

22San Diego County, CACA3,282,2484,090–

23Stark County, OHOH373,7713,717–

24Clark County, NVNV2,407,2263,587–

25Bergen County, NJNJ977,0263,443–

26Lake County, ILIL719,3393,416–

27Middlesex County, MAMA1,669,9793,323–

28Westchester County, NYNY1,015,7433,301–

29Santa Clara County, CACA1,914,3913,300–

30Miami-Dade County, FLFL2,802,0293,277–

31Montgomery County, MDMD1,074,5823,096–

32Orange County, NYNY417,6693,000–

33DuPage County, ILIL934,2982,902–

34Rockland County, NYNY357,3972,551–

35Montgomery County, PAPA877,6432,498–

36Middlesex County, NJNJ883,3352,472–

37San Bernardino County, CACA2,224,0912,441–

38Alameda County, CACA1,636,6302,328–

39Hennepin County, MNMN1,284,7842,328–

40Fairfax County, VAVA1,167,8732,261–

41Clark County, WAWA532,1192,261–

42Summit County, OHOH538,3762,246–

43Dallas County, TXTX2,661,3972,111–

44Philadelphia County, PAPA1,574,2812,101–

45San Francisco County, CACA826,0791,943–

46Franklin County, OHOH1,361,5361,923–

47Kane County, ILIL525,7571,918–

48Allegheny County, PAPA1,225,0351,858–

49Monmouth County, NJNJ651,0351,827–

50Snohomish County, WAWA870,6561,804–

51Mahoning County, OHOH224,7061,741–

52Ventura County, CACA830,8511,722–

53Washtenaw County, MIMI370,2141,719–

54Mecklenburg County, NCNC1,233,3831,694–

55Bucks County, PAPA647,8281,627–

56Pierce County, WAWA946,2881,591–

57Essex County, NJNJ896,3791,525–

58Contra Costa County, CACA1,170,0701,517–

59Lake County, ININ504,6121,504–

60St. Louis County, MOMO990,9111,489–

61Orange County, FLFL1,528,0021,408–

62Norfolk County, MAMA739,7491,405–

63Burlington County, NJNJ481,4391,364–

64Trumbull County, OHOH198,9721,351–

65Pinellas County, FLFL948,5631,346–

66Marin County, CACA253,6941,321–

67Hamilton County, OHOH838,4181,259–

68Washington County, OROR611,7081,238–

69Morris County, NJNJ524,2511,233–

70Tarrant County, TXTX2,248,4661,210–

71Baltimore County, MDMD847,6501,204–

72Clackamas County, OROR426,2801,202–

73Camden County, NJNJ535,7991,181–

74Bronx County, NYNY1,406,3321,164–

75Pima County, AZAZ1,074,6851,155–

76Travis County, TXTX1,389,6701,117–

77Monroe County, NYNY750,5061,108–

78Milwaukee County, WIWI924,2161,102–

79Bexar County, TXTX2,160,0881,101–

80McHenry County, ILIL317,7511,079–

81District of Columbia, DCDC693,6451,053–

82Lorain County, OHOH323,2191,042–

83Marion County, ININ992,1961,037–

84Sarasota County, FLFL479,9581,031–

85Hillsborough County, FLFL1,574,1151,030–

86Ocean County, NJNJ673,7461,026–

87Mercer County, NJNJ399,2891,024–

88Wake County, NCNC1,257,2351,013–

89Buncombe County, NCNC277,417998–

90Berks County, PAPA440,072998–

91Will County, ILIL712,253996–

92San Mateo County, CACA743,568985–

93Somerset County, NJNJ356,486979–

94Richmond County, NYNY501,290964–

95Stanislaus County, CACA557,719962–

96Collier County, FLFL417,131949–

97Cobb County, GAGA793,345939–

98Union County, NJNJ601,863936–

99Jefferson County, COCO580,451926–

100Denver County, COCO740,613923–

101Erie County, NYNY946,741909–

102Denton County, TXTX1,069,346896–

103Delaware County, PAPA580,937879–

104Duval County, FLFL1,062,963877–

105Medina County, OHOH185,025870–

106Placer County, CACA442,081860–

107Hudson County, NJNJ735,033859–

108Chester County, PAPA557,116836–

109New Castle County, DEDE588,026827–

110Fulton County, GAGA1,098,791825–

111Seminole County, FLFL491,884818–

112Yuba County, CACA88,691809–

113Lake County, OHOH232,217805–

114Ramsey County, MNMN541,623802–

115Suffolk County, MAMA791,891800–

116Lee County, FLFL875,607792–

117Kent County, MIMI675,232790–

118Lucas County, OHOH423,347752–

119Arapahoe County, COCO673,820745–

120Volusia County, FLFL606,573732–

121El Paso County, COCO757,040722–

122Porter County, ININ176,049688–

123Passaic County, NJNJ531,624683–

124Montgomery County, OHOH539,598683–

125Montgomery County, TXTX781,194682–

126Brevard County, FLFL663,982679–

127Waukesha County, WIWI417,210676–

128Barrow County, GAGA99,773649–

129Portage County, OHOH163,404645–

130Salt Lake County, UTUT1,220,916636–

131Baltimore, MDMD569,997634–

132Davidson County, TNTN745,904630–

133Lehigh County, PAPA384,383625–

134Dane County, WIWI590,375614–

135Luzerne County, PAPA332,126611–

136Anne Arundel County, MDMD603,380608–

137Dakota County, MNMN457,710607–

138Pasco County, FLFL674,516599–

139Spokane County, WAWA558,344595–

140Dutchess County, NYNY300,708592–

141Monroe County, PAPA167,179587–

142Erie County, PAPA265,832583–

143Essex County, MAMA826,653581–

144Virginia Beach, VAVA453,737580–

145Worcester County, MAMA888,502578–

146Santa Cruz County, CACA258,852577–

147Sonoma County, CACA486,444577–

148Henrico County, VAVA342,775567–

149Allen County, ININ402,329564–

150Howard County, MDMD339,183554–

151Alachua County, FLFL290,028552–

152Ingham County, MIMI289,709551–

153Kendall County, ILIL145,470543–

154Collin County, TXTX1,297,179543–

155Pinal County, AZAZ539,380532–

156Ada County, IDID546,141532–

157Livingston County, MIMI197,315531–

158Fresno County, CACA1,035,456530–

159Rutherford County, TNTN386,352526–

160Honolulu County, HIHI988,703522–

161Johnson County, KSKS636,906521–

162Utah County, UTUT759,859515–

163Loudoun County, VAVA449,749506–

164Frederick County, MDMD302,883503–

165Knox County, TNTN511,453501–

166Santa Barbara County, CACA442,065500–

167Plymouth County, MAMA546,829498–

168Boulder County, COCO328,560496–

169St. Clair County, MIMI160,486490–

170Marion County, FLFL442,660477–

171Hamilton County, ININ387,036476–

172Carver County, MNMN114,379473–

173Albany County, NYNY321,225470–

174Lancaster County, PAPA563,159468–

175Polk County, MOMO33,604466–

176Manatee County, FLFL468,200462–

177Genesee County, MIMI401,093456–

178Garland County, ARAR99,695454–

179Delaware County, OHOH242,032451–

180Durham County, NCNC347,240449–

181Lane County, OROR381,584442–

182Bernalillo County, NMNM667,601440–

183Ulster County, NYNY183,330440–

184Sussex County, DEDE277,140435–

185Columbiana County, OHOH99,377434–

186York County, PAPA473,197433–

187Fayette County, KYKY329,751430–

188DeKalb County, GAGA774,394429–

189San Joaquin County, CACA823,815427–

190Anchorage, AKAK287,155422–

191Gloucester County, NJNJ312,638421–

192Atlantic County, NJNJ278,657419–

193Walton County, GAGA112,696419–

194Beaver County, PAPA166,032416–

195Jefferson County, KYKY795,222414–

196Mercer County, PAPA107,860412–

197Douglas County, NENE606,460411–

198Hunterdon County, NJNJ131,781409–

199Lawrence County, PAPA83,911409–

200Onondaga County, NYNY466,584408–

201Washoe County, NVNV509,386407–

202Greenville County, SCSC583,125406–

203Westmoreland County, PAPA349,324404–

204Canyon County, IDID275,123403–

205Thurston County, WAWA304,261396–

206Yolo County, CACA224,410391–

207Hillsborough County, NHNH433,415390–

208Broome County, NYNY195,736387–

209Providence County, RIRI678,179383–

210Hampden County, MAMA464,338380–

211Prince George's County, MDMD970,374380–

212Greene County, MOMO309,286378–

213Lancaster County, NENE334,049377–

214Grafton County, NHNH93,225373–

215Marion County, OROR355,777371–

216Hamilton County, TNTN390,833370–

217Chittenden County, VTVT169,115370–

218Alexandria, VAVA160,662369–

219St. Tammany Parish, LALA279,108357–

220Rockingham County, NHNH324,077356–

221St. Lucie County, FLFL402,449354–

222Anoka County, MNMN381,605354–

223Guilford County, NCNC562,234354–

224Cowlitz County, WAWA114,885354–

225Williamson County, TXTX752,827349–

226Osceola County, FLFL481,718349–

227Kern County, CACA927,068344–

228Butte County, CACA209,211339–

229Ashtabula County, OHOH96,713339–

230Prince William County, VAVA502,966339–

231Northampton County, PAPA324,411338–

232Charleston County, SCSC436,200335–

233LaSalle County, ILIL107,773332–

234Monroe County, MIMI156,004330–

235San Luis Obispo County, CACA282,367326–

236Jackson County, MIMI159,552326–

237El Dorado County, CACA192,323325–

238Putnam County, NYNY99,028324–

239Monroe County, ININ143,345320–

240Vigo County, ININ106,512320–

241Arlington County, VAVA243,931315–

242Dauphin County, PAPA293,351314–

243Martin County, FLFL166,272311–

244Benton County, WAWA221,722311–

245Fairfield County, OHOH169,752308–

246St. Charles County, MOMO426,499302–

247Forsyth County, NCNC401,718302–

248Clermont County, OHOH216,977301–

249Richland County, SCSC434,956301–

250Yakima County, WAWA259,185298–

251Geauga County, OHOH95,676298–

252Franklin County, MAMA70,698296–

253Jackson County, MOMO732,994295–

254Clarke County, GAGA129,921293–

255Monterey County, CACA433,729292–

256Jefferson County, MOMO233,132292–

257Sussex County, NJNJ148,063292–

258Larimer County, COCO377,292292–

259Leon County, FLFL299,048291–

260Hendricks County, ININ193,510285–

261Lapeer County, MIMI89,516284–

262New Hanover County, NCNC245,959283–

263Jackson County, OROR221,795283–

264East Baton Rouge Parish, LALA456,180278–

265Madison County, ILIL263,110278–

266Lake County, FLFL456,068276–

267Norfolk, VAVA231,013276–

268Polk County, FLFL874,790274–

269Butler County, OHOH400,128269–

270Indian River County, FLFL172,799269–

271St. Joseph County, ININ272,861265–

272Hampshire County, MAMA164,065264–

273Chatham County, GAGA311,855262–

274Greene County, OHOH174,322260–

275McLennan County, TXTX272,020260–

276Bristol County, MAMA593,640259–

277Cherokee County, GAGA299,273259–

278St. Louis County, MNMN200,518257–

279St. Clair County, ILIL250,708256–

280Champaign County, ILIL209,972256–

281Okaloosa County, FLFL221,810254–

282Oklahoma County, OKOK822,125253–

283Sumner County, TNTN215,538250–

284Tulsa County, OKOK698,782250–

285DeKalb County, ILIL101,835249–

286Hall County, GAGA226,568248–

287Stafford County, VAVA170,803247–

288Warren County, NJNJ112,953245–

289Cumberland County, MEME317,222241–

290Horry County, SCSC427,551241–

291Montgomery County, VAVA98,434241–

292Solano County, CACA455,376241–

293Fayette County, PAPA123,021241–

294Wood County, OHOH134,176240–

295Oneida County, NYNY226,392239–

296Olmsted County, MNMN166,731238–

297Yellowstone County, MTMT172,692238–

298St. Louis, MOMO278,144236–

299St. Johns County, FLFL346,328236–

300Houghton County, MIMI37,842232–

301Centre County, PAPA157,393232–

302Washington County, MDMD157,731231–

303Santa Fe County, NMNM156,907229–

304Union County, NCNC267,674229–

305Tippecanoe County, ININ190,456229–

306Merrimack County, NHNH158,078228–

307Saratoga County, NYNY241,343227–

308Polk County, OROR90,037226–

309Yavapai County, AZAZ252,552225–

310Kalamazoo County, MIMI263,795225–

311Marshall County, ININ46,599225–

312Johnson County, IAIA160,044224–

313Howard County, ININ83,904224–

314Madison County, ALAL433,516222–

315Mesa County, COCO162,845222–

316Sullivan County, NYNY80,586221–

317Maui County, HIHI160,592220–

318Mohave County, AZAZ228,102218–

319Yuma County, AZAZ224,449218–

320Deschutes County, OROR213,072218–

321Charlotte County, FLFL217,212216–

322Orange County, NCNC152,498213–

323Boone County, MOMO191,746210–

324Forsyth County, GAGA282,805207–

325Weber County, UTUT278,174206–

326Fort Bend County, TXTX975,191206–

327Anderson County, TNTN82,066202–

328Mobile County, ALAL411,658201–

329Williamson County, TNTN272,061201–

330Polk County, IAIA516,546201–

331Orleans Parish, LALA362,154200–

332Santa Rosa County, FLFL211,115198–

333Tuscarawas County, OHOH92,373197–

334Jefferson County, ALAL665,742197–

335Catawba County, NCNC170,172196–

336Henderson County, NCNC122,375196–

337Lackawanna County, PAPA216,502195–

338Brazoria County, TXTX419,080195–

339Winnebago County, ILIL283,674195–

340Lebanon County, PAPA146,380195–

341Stearns County, MNMN164,110194–

342Coconino County, AZAZ144,368192–

343Spotsylvania County, VAVA155,388191–

344Adams County, COCO554,668190–

345Douglas County, COCO399,396190–

346Bartholomew County, ININ85,729189–

347Johnson County, ININ174,262189–

348Shelby County, TNTN910,226188–

349Outagamie County, WIWI195,894187–

350Saginaw County, MIMI187,688186–

351Columbia County, NYNY60,168185–

352Cumberland County, PAPA277,270185–

353Kenosha County, WIWI168,448184–

354Essex County, NYNY36,438183–

355Lycoming County, PAPA112,587181–

356Anderson County, SCSC219,930180–

357Butler County, PAPA200,169180–

358Camden County, MOMO44,047179–

359Clark County, OHOH135,340179–

360Klamath County, OROR70,274179–

361Washington County, RIRI129,795179–

362Rock Island County, ILIL141,869178–

363Franklin County, WAWA102,612178–

364Grand Traverse County, MIMI96,729178–

365Carroll County, MDMD176,677178–

366Ottawa County, MIMI308,459176–

367Richland County, OHOH124,893175–

368Gallatin County, MTMT128,740174–

369Kitsap County, WAWA283,374174–

370Bell County, TXTX402,248172–

371Berkshire County, MAMA128,224171–

372Gordon County, GAGA61,701171–

373Sarpy County, NENE208,303170–

374Brown County, WIWI275,803170–

375Minnehaha County, SDSD212,691169–

376Nevada County, CACA101,911167–

377Albemarle County, VAVA118,356166–

378Nueces County, TXTX352,992164–

379Cambria County, PAPA128,968161–

380Pike County, PAPA62,808161–

381Washington County, WIWI139,238161–

382Racine County, WIWI198,919161–

383Okeechobee County, FLFL42,608159–

384LaPorte County, ININ111,294159–

385Sumter County, FLFL157,772158–

386Delaware County, ININ113,106157–

387Richmond, VAVA237,257156–

388Bay County, FLFL204,479156–

389Harford County, MDMD266,446156–

390Warren County, OHOH257,181155–

391Licking County, OHOH185,564155–

392Washington County, MNMN286,895153–

393Shawnee County, KSKS178,607153–

394Houston County, GAGA178,214150–

395Barnstable County, MAMA233,539149–

396Dubuque County, IAIA99,381149–

397Linn County, OROR132,843148–

398Tompkins County, NYNY104,047148–

399Skagit County, WAWA132,975148–

400Cass County, NDND201,794147–

401Mendocino County, CACA88,122147–

402Onslow County, NCNC217,175147–

403Coos County, OROR63,992147–

404Clay County, FLFL239,593147–

405Sanilac County, MIMI40,083146–

406Pettis County, MOMO44,254146–

407Kent County, RIRI173,495145–

408Marathon County, WIWI139,432145–

409Sagadahoc County, MEME37,979145–

410Peoria County, ILIL178,553144–

411York County, MEME222,434144–

412Missoula County, MTMT123,513142–

413Ontario County, NYNY113,130142–

414Beaufort County, SCSC204,433141–

415Ozaukee County, WIWI94,346141–

416Burleigh County, NDND103,251140–

417Erie County, OHOH73,296139–

418Scott County, MNMN159,017139–

419Rock County, WIWI166,472138–

420Isabella County, MIMI64,691138–

421Athens County, OHOH63,197137–

422Jefferson County, WIWI86,505137–

423Tuscola County, MIMI52,680136–

424Lubbock County, TXTX328,906136–

425Tuscaloosa County, ALAL241,368135–

426Somervell County, TXTX10,261134–

427Pueblo County, COCO169,277134–

428Columbia County, GAGA169,189134–

429Faulkner County, ARAR133,979133–

430Hancock County, MEME57,171132–

431Roscommon County, MIMI23,914132–

432Matanuska-Susitna, AKAK118,666131–

433Baldwin County, GAGA44,029131–

434McLean County, ILIL171,419131–

435El Paso County, TXTX877,858130–

436Eau Claire County, WIWI109,033130–

437Woodford County, ILIL38,111130–

438Cabarrus County, NCNC249,725129–

439Okanogan County, WAWA45,230129–

440Webb County, TXTX281,224128–

441Muskegon County, MIMI177,901127–

442Schenectady County, NYNY162,581127–

443Suwannee County, FLFL48,149126–

444Queen Anne's County, MDMD54,448125–

445Wayne County, OHOH116,758124–

446Hanover County, VAVA116,423124–

447Jefferson County, OHOH63,597123–

448Jefferson Parish, LALA431,398122–

449Franklin County, MOMO108,090122–

450Weld County, COCO378,426122–

451Carroll County, NHNH52,784120–

452Chesterfield County, VAVA397,148120–

453Wright County, MNMN157,559118–

454Wayne County, PAPA51,703118–

455Bradley County, TNTN115,465117–

456Rockwall County, TXTX140,738117–

457Windham County, VTVT45,204117–

458Portsmouth, VAVA96,777117–

459Escambia County, FLFL333,834117–

460Coweta County, GAGA160,240117–

461Lafayette Parish, LALA257,949116–

462Citrus County, FLFL171,666116–

463Monroe County, FLFL80,406115–

464Kanawha County, WVWV172,381114–

465Elkhart County, ININ208,774114–

466Delaware County, NYNY44,305113–

467Blount County, TNTN143,820113–

468Henderson County, TXTX88,595112–

469Roanoke, VAVA99,111111–

470Humboldt County, CACA131,647110–

471Bedford County, VAVA83,059110–

472Dearborn County, ININ51,609110–

473Linn County, IAIA232,028110–

474Shasta County, CACA181,648109–

475St. Lawrence County, NYNY105,488108–

476Ellis County, TXTX240,867108–

477Madison County, ININ135,088108–

478Oneida County, WIWI38,131108–

479Jefferson County, NYNY111,540107–

480Niagara County, NYNY208,912107–

481Hernando County, FLFL221,701106–

482St. Mary's County, MDMD116,692106–

483Iredell County, NCNC211,798105–

484Madera County, CACA167,927104–

485Rockdale County, GAGA98,416104–

486Huron County, OHOH58,250104–

487Lexington County, SCSC317,588104–

488Culpeper County, VAVA57,666104–

489Berrien County, MIMI152,444103–

490Windsor County, VTVT57,312101–

491Douglas County, KSKS120,920101–

492Cochise County, AZAZ126,332100–

493Hancock County, ININ90,969100–

494Lawrence County, ININ45,568100–

495Grayson County, TXTX153,61399–

496Wilson County, TNTN175,03399–

497Miami County, OHOH112,63498–

498Jasper County, ININ33,89498–

499Whatcom County, WAWA236,39297–

500Bibb County, GAGA157,55697–

SHOWING 1–500 OF 1,576

Download CSV (full list, 1,576 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS

Frequently asked

Which county has the highest romanian population?

Cook County, Illinois ranks #1 with 20,601 (2010 Decennial Census).

What are the top 5 counties by romanian population?

Cook County, Illinois, Los Angeles County, California, Queens County, New York, Maricopa County, Arizona, Orange County, California.

How many counties are in this ranking?

1,576 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 Decennial Census data.

How is romanian population measured?

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