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. The median across all 1,576 is 39.

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–

89Berks County, PAPA440,072998–

90Buncombe County, NCNC277,417998–

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–

155Ada County, IDID546,141532–

156Pinal County, AZAZ539,380532–

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–

192Walton County, GAGA112,696419–

193Atlantic County, NJNJ278,657419–

194Beaver County, PAPA166,032416–

195Jefferson County, KYKY795,222414–

196Mercer County, PAPA107,860412–

197Douglas County, NENE606,460411–

198Lawrence County, PAPA83,911409–

199Hunterdon County, NJNJ131,781409–

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–

210Prince George's County, MDMD970,374380–

211Hampden County, MAMA464,338380–

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–

225Osceola County, FLFL481,718349–

226Williamson County, TXTX752,827349–

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–

248Richland County, SCSC434,956301–

249Clermont County, OHOH216,977301–

250Geauga County, OHOH95,676298–

251Yakima County, WAWA259,185298–

252Franklin County, MAMA70,698296–

253Jackson County, MOMO732,994295–

254Clarke County, GAGA129,921293–

255Monterey County, CACA433,729292–

256Larimer County, COCO377,292292–

257Jefferson County, MOMO233,132292–

258Sussex County, NJNJ148,063292–

259Leon County, FLFL299,048291–

260Hendricks County, ININ193,510285–

261Lapeer County, MIMI89,516284–

262Jackson County, OROR221,795283–

263New Hanover County, NCNC245,959283–

264East Baton Rouge Parish, LALA456,180278–

265Madison County, ILIL263,110278–

266Lake County, FLFL456,068276–

267Norfolk, VAVA231,013276–

268Polk County, FLFL874,790274–

269Indian River County, FLFL172,799269–

270Butler County, OHOH400,128269–

271St. Joseph County, ININ272,861265–

272Hampshire County, MAMA164,065264–

273Chatham County, GAGA311,855262–

274Greene County, OHOH174,322260–

275McLennan County, TXTX272,020260–

276Cherokee County, GAGA299,273259–

277Bristol County, MAMA593,640259–

278St. Louis County, MNMN200,518257–

279Champaign County, ILIL209,972256–

280St. Clair County, ILIL250,708256–

281Okaloosa County, FLFL221,810254–

282Oklahoma County, OKOK822,125253–

283Tulsa County, OKOK698,782250–

284Sumner County, TNTN215,538250–

285DeKalb County, ILIL101,835249–

286Hall County, GAGA226,568248–

287Stafford County, VAVA170,803247–

288Warren County, NJNJ112,953245–

289Solano County, CACA455,376241–

290Cumberland County, MEME317,222241–

291Fayette County, PAPA123,021241–

292Horry County, SCSC427,551241–

293Montgomery County, VAVA98,434241–

294Wood County, OHOH134,176240–

295Oneida County, NYNY226,392239–

296Olmsted County, MNMN166,731238–

297Yellowstone County, MTMT172,692238–

298St. Johns County, FLFL346,328236–

299St. Louis, MOMO278,144236–

300Houghton County, MIMI37,842232–

301Centre County, PAPA157,393232–

302Washington County, MDMD157,731231–

303Tippecanoe County, ININ190,456229–

304Santa Fe County, NMNM156,907229–

305Union County, NCNC267,674229–

306Merrimack County, NHNH158,078228–

307Saratoga County, NYNY241,343227–

308Polk County, OROR90,037226–

309Yavapai County, AZAZ252,552225–

310Marshall County, ININ46,599225–

311Kalamazoo County, MIMI263,795225–

312Howard County, ININ83,904224–

313Johnson County, IAIA160,044224–

314Mesa County, COCO162,845222–

315Madison County, ALAL433,516222–

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–

329Polk County, IAIA516,546201–

330Williamson County, TNTN272,061201–

331Orleans Parish, LALA362,154200–

332Santa Rosa County, FLFL211,115198–

333Jefferson County, ALAL665,742197–

334Tuscarawas County, OHOH92,373197–

335Catawba County, NCNC170,172196–

336Henderson County, NCNC122,375196–

337Winnebago County, ILIL283,674195–

338Lackawanna County, PAPA216,502195–

339Lebanon County, PAPA146,380195–

340Brazoria County, TXTX419,080195–

341Stearns County, MNMN164,110194–

342Coconino County, AZAZ144,368192–

343Spotsylvania County, VAVA155,388191–

344Adams County, COCO554,668190–

345Douglas County, COCO399,396190–

346Johnson County, ININ174,262189–

347Bartholomew County, ININ85,729189–

348Shelby County, TNTN910,226188–

349Outagamie County, WIWI195,894187–

350Saginaw County, MIMI187,688186–

351Cumberland County, PAPA277,270185–

352Columbia County, NYNY60,168185–

353Kenosha County, WIWI168,448184–

354Essex County, NYNY36,438183–

355Lycoming County, PAPA112,587181–

356Butler County, PAPA200,169180–

357Anderson County, SCSC219,930180–

358Klamath County, OROR70,274179–

359Washington County, RIRI129,795179–

360Camden County, MOMO44,047179–

361Clark County, OHOH135,340179–

362Carroll County, MDMD176,677178–

363Grand Traverse County, MIMI96,729178–

364Rock Island County, ILIL141,869178–

365Franklin County, WAWA102,612178–

366Ottawa County, MIMI308,459176–

367Richland County, OHOH124,893175–

368Gallatin County, MTMT128,740174–

369Kitsap County, WAWA283,374174–

370Bell County, TXTX402,248172–

371Gordon County, GAGA61,701171–

372Berkshire County, MAMA128,224171–

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–

381Racine County, WIWI198,919161–

382Washington County, WIWI139,238161–

383Okeechobee County, FLFL42,608159–

384LaPorte County, ININ111,294159–

385Sumter County, FLFL157,772158–

386Delaware County, ININ113,106157–

387Bay County, FLFL204,479156–

388Harford County, MDMD266,446156–

389Richmond, VAVA237,257156–

390Warren County, OHOH257,181155–

391Licking County, OHOH185,564155–

392Shawnee County, KSKS178,607153–

393Washington County, MNMN286,895153–

394Houston County, GAGA178,214150–

395Dubuque County, IAIA99,381149–

396Barnstable County, MAMA233,539149–

397Linn County, OROR132,843148–

398Tompkins County, NYNY104,047148–

399Skagit County, WAWA132,975148–

400Clay County, FLFL239,593147–

401Mendocino County, CACA88,122147–

402Coos County, OROR63,992147–

403Onslow County, NCNC217,175147–

404Cass County, NDND201,794147–

405Sanilac County, MIMI40,083146–

406Pettis County, MOMO44,254146–

407Sagadahoc County, MEME37,979145–

408Kent County, RIRI173,495145–

409Marathon County, WIWI139,432145–

410York County, MEME222,434144–

411Peoria County, ILIL178,553144–

412Missoula County, MTMT123,513142–

413Ontario County, NYNY113,130142–

414Beaufort County, SCSC204,433141–

415Ozaukee County, WIWI94,346141–

416Burleigh County, NDND103,251140–

417Scott County, MNMN159,017139–

418Erie County, OHOH73,296139–

419Isabella County, MIMI64,691138–

420Rock County, WIWI166,472138–

421Athens County, OHOH63,197137–

422Jefferson County, WIWI86,505137–

423Tuscola County, MIMI52,680136–

424Lubbock County, TXTX328,906136–

425Tuscaloosa County, ALAL241,368135–

426Pueblo County, COCO169,277134–

427Columbia County, GAGA169,189134–

428Somervell County, TXTX10,261134–

429Faulkner County, ARAR133,979133–

430Hancock County, MEME57,171132–

431Roscommon County, MIMI23,914132–

432Baldwin County, GAGA44,029131–

433Matanuska-Susitna, AKAK118,666131–

434McLean County, ILIL171,419131–

435Woodford County, ILIL38,111130–

436Eau Claire County, WIWI109,033130–

437El Paso County, TXTX877,858130–

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–

448Weld County, COCO378,426122–

449Jefferson Parish, LALA431,398122–

450Franklin County, MOMO108,090122–

451Carroll County, NHNH52,784120–

452Chesterfield County, VAVA397,148120–

453Wright County, MNMN157,559118–

454Wayne County, PAPA51,703118–

455Escambia County, FLFL333,834117–

456Coweta County, GAGA160,240117–

457Bradley County, TNTN115,465117–

458Rockwall County, TXTX140,738117–

459Windham County, VTVT45,204117–

460Portsmouth, VAVA96,777117–

461Citrus County, FLFL171,666116–

462Lafayette Parish, LALA257,949116–

463Monroe County, FLFL80,406115–

464Elkhart County, ININ208,774114–

465Kanawha County, WVWV172,381114–

466Blount County, TNTN143,820113–

467Delaware County, NYNY44,305113–

468Henderson County, TXTX88,595112–

469Roanoke, VAVA99,111111–

470Humboldt County, CACA131,647110–

471Linn County, IAIA232,028110–

472Dearborn County, ININ51,609110–

473Bedford County, VAVA83,059110–

474Shasta County, CACA181,648109–

475Madison County, ININ135,088108–

476St. Lawrence County, NYNY105,488108–

477Oneida County, WIWI38,131108–

478Ellis County, TXTX240,867108–

479Jefferson County, NYNY111,540107–

480Niagara County, NYNY208,912107–

481Hernando County, FLFL221,701106–

482St. Mary's County, MDMD116,692106–

483Iredell County, NCNC211,798105–

484Rockdale County, GAGA98,416104–

485Madera County, CACA167,927104–

486Lexington County, SCSC317,588104–

487Huron County, OHOH58,250104–

488Culpeper County, VAVA57,666104–

489Berrien County, MIMI152,444103–

490Douglas County, KSKS120,920101–

491Windsor County, VTVT57,312101–

492Cochise County, AZAZ126,332100–

493Hancock County, ININ90,969100–

494Lawrence County, ININ45,568100–

495Wilson County, TNTN175,03399–

496Grayson County, TXTX153,61399–

497Jasper County, ININ33,89498–

498Miami County, OHOH112,63498–

499Bibb County, GAGA157,55697–

500Garrard County, KYKY18,20797–

SHOWING 1–500 OF 1,576

Download CSV (full list, 1,576 rows)

UPDATED 2026-09-11 · 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.