RANKING · 2010 CENSUS · 500 SHOWN OF 941

Highest Iranian population share, US counties · 2010

US counties ranked by the share of all residents who are Iranian ancestry (2010 American Community Survey). A concentration measure: Iranian residents as a percentage of total population. Loudoun County, Virginia leads at 1.1%. 941 counties qualify in total. California carries 9 of the top 25 entries.

Iranian 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

RANKPLACESTATEPOPIRANIAN SHAREVS –

USUnited States308,745,5380.1%–

01Loudoun County, VAVA449,7491.1%–

02Orange County, CACA3,149,5071.0%–

03Clay County, KYKY19,4651.0%–

04Montgomery County, MDMD1,074,5821.0%–

05Los Angeles County, CACA9,694,9340.9%–

06Marin County, CACA253,6940.9%–

07Santa Clara County, CACA1,914,3910.9%–

08Nassau County, NYNY1,398,9390.9%–

09Fairfax County, VAVA1,167,8730.8%–

10Collin County, TXTX1,297,1790.8%–

11Jefferson County, IAIA15,2910.7%–

12Contra Costa County, CACA1,170,0700.7%–

13Trinity County, CACA15,7200.7%–

14Madison County, NCNC22,5530.7%–

15San Mateo County, CACA743,5680.7%–

16Perkins County, SDSD2,8530.6%–

17Charlottesville, VAVA44,3880.6%–

18Rowan County, KYKY24,4760.5%–

19Placer County, CACA442,0810.5%–

20Harper County, KSKS5,3700.5%–

21Alexandria, VAVA160,6620.5%–

22Ventura County, CACA830,8510.5%–

23Lunenburg County, VAVA12,0580.5%–

24Martin County, MNMN19,4400.5%–

25Arlington County, VAVA243,9310.4%–

26San Diego County, CACA3,282,2480.4%–

27Franklin County, FLFL13,0290.4%–

28Lexington, VAVA7,7690.4%–

29Meriwether County, GAGA21,5160.4%–

30Alameda County, CACA1,636,6300.4%–

31Tazewell County, VAVA38,6350.4%–

32Howard County, MDMD339,1830.4%–

33Carbon County, MTMT11,4660.4%–

34Yolo County, CACA224,4100.4%–

35Washington County, MSMS40,4460.4%–

36Washington County, OROR611,7080.4%–

37Fulton County, GAGA1,098,7910.4%–

38Tehama County, CACA64,6650.4%–

39Haines, AKAK2,0680.4%–

40El Dorado County, CACA192,3230.4%–

41McPherson County, SDSD2,3470.4%–

42Jackson County, ILIL52,5010.3%–

43Del Norte County, CACA26,4100.3%–

44San Saba County, TXTX5,7870.3%–

45Bollinger County, MOMO10,6460.3%–

46Forsyth County, GAGA282,8050.3%–

47Benton County, OROR97,7280.3%–

48Lincoln County, NMNM19,8440.3%–

49Williamson County, TNTN272,0610.3%–

50Fort Bend County, TXTX975,1910.3%–

51Humboldt County, NVNV17,2670.3%–

52Martinsville, VAVA13,8490.3%–

53Sacramento County, CACA1,618,4600.3%–

54Cobb County, GAGA793,3450.3%–

55Montgomery County, VAVA98,4340.3%–

56Albemarle County, VAVA118,3560.3%–

57San Francisco County, CACA826,0790.3%–

58King County, WAWA2,344,9390.3%–

59Potter County, TXTX114,4530.3%–

60Prince William County, VAVA502,9660.3%–

61Denton County, TXTX1,069,3460.3%–

62Concho County, TXTX3,6070.3%–

63New York County, NYNY1,664,8620.3%–

64Stanislaus County, CACA557,7190.3%–

65Fulton County, NYNY52,2160.3%–

66Bergen County, NJNJ977,0260.3%–

67Middlesex County, MAMA1,669,9790.3%–

68Seminole County, FLFL491,8840.2%–

69Siskiyou County, CACA42,0130.2%–

70Cleveland County, OKOK303,9730.2%–

71Marengo County, ALAL18,3110.2%–

72Benton County, TNTN16,1830.2%–

73Amador County, CACA41,8760.2%–

74Santa Barbara County, CACA442,0650.2%–

75Sonoma County, CACA486,4440.2%–

76Oklahoma County, OKOK822,1250.2%–

77Buchanan County, VAVA18,4920.2%–

78Henderson County, ILIL5,9840.2%–

79Sully County, SDSD1,4790.2%–

80Kerr County, TXTX54,0370.2%–

81Cherokee County, GAGA299,2730.2%–

82Clackamas County, OROR426,2800.2%–

83Park County, MTMT18,2140.2%–

84Douglas County, ILIL19,8800.2%–

85DeKalb County, ILIL101,8350.2%–

86Clark County, NVNV2,407,2260.2%–

87Hamilton County, ININ387,0360.2%–

88Effingham County, ILIL34,5190.2%–

89District of Columbia, DCDC693,6450.2%–

90Tompkins County, NYNY104,0470.2%–

91Frederick County, MDMD302,8830.2%–

92Columbia County, ARAR21,8940.2%–

93Lafayette County, MSMS59,5970.2%–

94Logan County, OHOH46,3020.2%–

95Johnson County, IAIA160,0440.2%–

96Yazoo County, MSMS22,9470.2%–

97Travis County, TXTX1,389,6700.2%–

98Baltimore County, MDMD847,6500.2%–

99Rockland County, NYNY357,3970.2%–

100Snohomish County, WAWA870,6560.2%–

101Solano County, CACA455,3760.2%–

102Brunswick County, VAVA15,7270.2%–

103Clinton County, NYNY78,1380.2%–

104Harris County, TXTX5,045,0260.2%–

105Boone County, MOMO191,7460.2%–

106Hampshire County, MAMA164,0650.2%–

107Lassen County, CACA28,1170.2%–

108Drew County, ARAR17,0540.2%–

109Douglas County, COCO399,3960.2%–

110Boulder County, COCO328,5600.2%–

111Walla Walla County, WAWA62,3610.2%–

112Valley County, IDID12,8310.2%–

113Santa Cruz County, CACA258,8520.2%–

114Watauga County, NCNC54,7860.2%–

115Arapahoe County, COCO673,8200.2%–

116Washtenaw County, MIMI370,2140.2%–

117Chester County, SCSC33,0010.2%–

118Whatcom County, WAWA236,3920.2%–

119Los Alamos County, NMNM19,4070.2%–

120San Bernardino County, CACA2,224,0910.2%–

121Douglas County, KSKS120,9200.2%–

122Stafford County, KSKS4,0050.2%–

123Clark County, WAWA532,1190.2%–

124San Benito County, CACA70,0820.2%–

125Norfolk County, MAMA739,7490.2%–

126Callaway County, MOMO45,7650.2%–

127Lyon County, KSKS32,2660.2%–

128Marshall County, KYKY31,6590.2%–

129Nicholas County, WVWV23,8480.2%–

130Davidson County, TNTN745,9040.2%–

131Riverside County, CACA2,544,9160.2%–

132Queens County, NYNY2,358,1820.2%–

133Johnson County, KSKS636,9060.2%–

134Wagoner County, OKOK93,2630.2%–

135Henderson County, TNTN28,5180.2%–

136Canadian County, OKOK187,1890.2%–

137Madison County, ALAL433,5160.2%–

138Caldwell County, MOMO9,0120.2%–

139Tillman County, OKOK6,7800.2%–

140Champaign County, ILIL209,9720.2%–

141Monroe County, ININ143,3450.2%–

142Mercer County, KYKY23,7330.2%–

143Fresno County, CACA1,035,4560.2%–

144Somerset County, NJNJ356,4860.2%–

145Osage County, KSKS15,6930.2%–

146Hood River County, OROR23,7200.2%–

147Williamson County, TXTX752,8270.2%–

148Harrisonburg, VAVA50,8390.2%–

149DuPage County, ILIL934,2980.2%–

150Moore County, TXTX21,8910.2%–

151Wayne County, ININ66,1690.2%–

152Platte County, MOMO114,4000.1%–

153Galveston County, TXTX372,2070.1%–

154Gila County, AZAZ53,8010.1%–

155McMinn County, TNTN57,4040.1%–

156Oakland County, MIMI1,288,3370.1%–

157San Joaquin County, CACA823,8150.1%–

158Mono County, CACA12,5050.1%–

159Grayson County, TXTX153,6130.1%–

160Carver County, MNMN114,3790.1%–

161Blaine County, OKOK8,5150.1%–

162Forsyth County, NCNC401,7180.1%–

163Maricopa County, AZAZ4,689,5580.1%–

164Barrow County, GAGA99,7730.1%–

165Laclede County, MOMO36,9430.1%–

166Delaware County, OHOH242,0320.1%–

167Coffee County, ALAL56,9530.1%–

168Norton County, KSKS5,2880.1%–

169Texas County, MOMO25,9940.1%–

170Castro County, TXTX7,2950.1%–

171Sandoval County, NMNM159,5650.1%–

172Victoria County, TXTX92,6560.1%–

173Craighead County, ARAR116,9570.1%–

174Loudon County, TNTN63,7640.1%–

175Denver County, COCO740,6130.1%–

176Gloucester County, VAVA40,0970.1%–

177Westchester County, NYNY1,015,7430.1%–

178Clay County, FLFL239,5930.1%–

179Ozaukee County, WIWI94,3460.1%–

180Lynchburg, VAVA81,3470.1%–

181Montgomery County, PAPA877,6430.1%–

182Lake County, ILIL719,3390.1%–

183Sullivan County, NYNY80,5860.1%–

184Leon County, FLFL299,0480.1%–

185Hampton, VAVA137,3150.1%–

186Virginia Beach, VAVA453,7370.1%–

187Baltimore, MDMD569,9970.1%–

188Delaware County, PAPA580,9370.1%–

189Wake County, NCNC1,257,2350.1%–

190Putnam County, NYNY99,0280.1%–

191Richmond, VAVA237,2570.1%–

192Scott County, MNMN159,0170.1%–

193Morehouse Parish, LALA23,7050.1%–

194King George County, VAVA29,6460.1%–

195Marion County, MOMO28,5250.1%–

196Merced County, CACA297,2600.1%–

197Pima County, AZAZ1,074,6850.1%–

198Tulsa County, OKOK698,7820.1%–

199Norfolk, VAVA231,0130.1%–

200Boone County, ININ80,6890.1%–

201Bernalillo County, NMNM667,6010.1%–

202Dallas County, TXTX2,661,3970.1%–

203Caroline County, VAVA34,4130.1%–

204Henrico County, VAVA342,7750.1%–

205Boone County, ILIL53,5680.1%–

206Knox County, TNTN511,4530.1%–

207Crawford County, ARAR62,6570.1%–

208Madison County, FLFL18,7590.1%–

209Polk County, OROR90,0370.1%–

210Salt Lake County, UTUT1,220,9160.1%–

211Broward County, FLFL2,013,3170.1%–

212Warren County, VAVA42,7400.1%–

213Columbia County, FLFL74,0940.1%–

214Gwinnett County, GAGA1,018,0990.1%–

215Jefferson County, TXTX254,3210.1%–

216San Luis Obispo County, CACA282,3670.1%–

217Fauquier County, VAVA76,5030.1%–

218Payne County, OKOK83,8890.1%–

219Washoe County, NVNV509,3860.1%–

220Orange County, FLFL1,528,0020.1%–

221St. Charles County, MOMO426,4990.1%–

222Essex County, NJNJ896,3790.1%–

223Dane County, WIWI590,3750.1%–

224Shasta County, CACA181,6480.1%–

225Warrick County, ININ66,8030.1%–

226Jefferson Parish, LALA431,3980.1%–

227Suffolk County, MAMA791,8910.1%–

228Hanover County, VAVA116,4230.1%–

229York County, VAVA71,3740.1%–

230Natrona County, WYWY80,5260.1%–

231Allamakee County, IAIA14,2380.1%–

232Tarrant County, TXTX2,248,4660.1%–

233Multnomah County, OROR795,3910.1%–

234Worcester County, MAMA888,5020.1%–

235Alachua County, FLFL290,0280.1%–

236Fayette County, KYKY329,7510.1%–

237Cook County, ILIL5,194,6250.1%–

238Butte County, CACA209,2110.1%–

239Jackson County, OKOK24,7640.1%–

240Creek County, OKOK74,9670.1%–

241Mercer County, NJNJ399,2890.1%–

242Palm Beach County, FLFL1,575,7260.1%–

243Brazos County, TXTX249,0880.1%–

244Passaic County, NJNJ531,6240.1%–

245Adair County, MOMO25,6840.1%–

246Van Buren County, ARAR16,2380.1%–

247Sumter County, GAGA28,8010.1%–

248Moniteau County, MOMO15,4280.1%–

249Chippewa County, MNMN12,4060.1%–

250Van Wert County, OHOH29,0130.1%–

251St. Louis, MOMO278,1440.1%–

252Mecklenburg County, NCNC1,233,3830.1%–

253Mendocino County, CACA88,1220.1%–

254Shelby County, ALAL238,5520.1%–

255Jefferson County, KYKY795,2220.1%–

256Geauga County, OHOH95,6760.1%–

257Clatsop County, OROR40,9260.1%–

258Hennepin County, MNMN1,284,7840.1%–

259Guilford County, NCNC562,2340.1%–

260Chenango County, NYNY45,7150.1%–

261Suffolk County, NYNY1,546,0900.1%–

262St. Johns County, FLFL346,3280.1%–

263Morris County, NJNJ524,2510.1%–

264Albany County, WYWY38,5580.1%–

265Queen Anne's County, MDMD54,4480.1%–

266New Castle County, DEDE588,0260.1%–

267Scurry County, TXTX16,1620.1%–

268Cowlitz County, WAWA114,8850.1%–

269Jefferson County, COCO580,4510.1%–

270Crawford County, MOMO22,9290.1%–

271Kern County, CACA927,0680.1%–

272Houghton County, MIMI37,8420.1%–

273Porter County, ININ176,0490.1%–

274New Hanover County, NCNC245,9590.1%–

275Amelia County, VAVA13,6320.1%–

276Rusk County, WIWI14,1460.1%–

277Lexington County, SCSC317,5880.1%–

278Montgomery County, KSKS30,1770.1%–

279Maury County, TNTN118,1310.1%–

280Cerro Gordo County, IAIA42,3720.1%–

281Newton County, GAGA125,5830.1%–

282Hunterdon County, NJNJ131,7810.1%–

283Accomack County, VAVA33,8590.1%–

284Middlesex County, NJNJ883,3350.1%–

285Lancaster County, NENE334,0490.1%–

286Medina County, OHOH185,0250.1%–

287Scott County, IAIA175,2590.1%–

288Anderson County, SCSC219,9300.1%–

289Humphreys County, MSMS7,0010.1%–

290Yates County, NYNY24,5470.1%–

291Greenville County, SCSC583,1250.1%–

292Portsmouth, VAVA96,7770.1%–

293Lake County, CACA67,7720.1%–

294Scotts Bluff County, NENE35,5860.1%–

295Pinellas County, FLFL948,5630.1%–

296Kay County, OKOK43,4900.1%–

297Etowah County, ALAL103,8860.1%–

298Chesterfield County, VAVA397,1480.1%–

299Miami-Dade County, FLFL2,802,0290.1%–

300Humboldt County, CACA131,6470.1%–

301Clay County, MOMO265,0320.1%–

302Johnson County, ININ174,2620.1%–

303Whitman County, WAWA48,5120.1%–

304Franklin County, OHOH1,361,5360.1%–

305Orange County, VAVA40,0830.1%–

306Orange County, VTVT30,0020.1%–

307Onondaga County, NYNY466,5840.1%–

308Columbia County, GAGA169,1890.1%–

309Anne Arundel County, MDMD603,3800.1%–

310Limestone County, ALAL122,9280.1%–

311Nye County, NVNV57,3360.1%–

312Pinal County, AZAZ539,3800.1%–

313Jackson County, MNMN9,8570.1%–

314Napa County, CACA132,9490.1%–

315Franklin County, VAVA55,5260.1%–

316Chester County, PAPA557,1160.1%–

317Ingham County, MIMI289,7090.1%–

318Hillsborough County, FLFL1,574,1150.1%–

319Coweta County, GAGA160,2400.1%–

320Collier County, FLFL417,1310.1%–

321Kent County, RIRI173,4950.1%–

322St. Louis County, MOMO990,9110.1%–

323Lincoln County, WYWY21,1800.1%–

324Des Moines County, IAIA38,0770.1%–

325Crawford County, KSKS39,0080.1%–

326Duval County, FLFL1,062,9630.1%–

327Sheridan County, WYWY33,2410.1%–

328Kings County, NYNY2,653,9630.1%–

329Skagit County, WAWA132,9750.1%–

330Strafford County, NHNH135,0430.1%–

331Monterey County, CACA433,7290.1%–

332Nevada County, CACA101,9110.1%–

333Orange County, NCNC152,4980.1%–

334Bannock County, IDID91,5910.1%–

335Montgomery County, TXTX781,1940.1%–

336Grimes County, TXTX34,2520.1%–

337Northumberland County, VAVA12,5570.1%–

338Marion County, OROR355,7770.1%–

339Gloucester County, NJNJ312,6380.1%–

340Ramsey County, MNMN541,6230.1%–

341Albany County, NYNY321,2250.1%–

342Marinette County, WIWI42,5740.1%–

343Volusia County, FLFL606,5730.1%–

344Gallia County, OHOH29,0720.1%–

345Latah County, IDID41,8420.1%–

346Bexar County, TXTX2,160,0880.1%–

347Hunt County, TXTX123,3360.1%–

348Sebastian County, ARAR130,6410.1%–

349Franklin County, MAMA70,6980.1%–

350El Paso County, COCO757,0400.1%–

351La Plata County, COCO56,8980.1%–

352Will County, ILIL712,2530.1%–

353Columbia County, NYNY60,1680.1%–

354Lane County, OROR381,5840.1%–

355Price County, WIWI13,9880.1%–

356Iberville Parish, LALA29,5790.1%–

357Dutchess County, NYNY300,7080.1%–

358Butler County, PAPA200,1690.1%–

359Prince George's County, MDMD970,3740.1%–

360Jefferson County, ALAL665,7420.1%–

361Ohio County, WVWV40,4960.1%–

362Jones County, GAGA29,1710.1%–

363Cherokee County, OKOK49,1960.1%–

364Clinton County, ILIL37,1280.1%–

365Fairfield County, SCSC20,3400.1%–

366Delaware County, ININ113,1060.1%–

367Washington County, ARAR271,2130.1%–

368Randall County, TXTX152,3510.1%–

369Mariposa County, CACA16,9180.1%–

370Dyer County, TNTN36,3200.1%–

371Essex County, MAMA826,6530.1%–

372Sutter County, CACA98,7870.1%–

373Monmouth County, NJNJ651,0350.1%–

374Coffee County, TNTN62,4190.1%–

375Taylor County, TXTX150,0770.1%–

376Roanoke, VAVA99,1110.1%–

377Val Verde County, TXTX47,8350.1%–

378Maui County, HIHI160,5920.1%–

379Bandera County, TXTX22,8760.1%–

380Marshall County, ININ46,5990.1%–

381Chittenden County, VTVT169,1150.1%–

382Butler County, KSKS69,4840.1%–

383Cuyahoga County, OHOH1,232,9250.1%–

384Durham County, NCNC347,2400.1%–

385Pitt County, NCNC182,9360.1%–

386Worcester County, MDMD54,4590.1%–

387East Baton Rouge Parish, LALA456,1800.1%–

388Brazoria County, TXTX419,0800.1%–

389Winchester, VAVA28,2720.1%–

390Pueblo County, COCO169,2770.1%–

391Utah County, UTUT759,8590.1%–

392Carroll County, MDMD176,6770.1%–

393Bonneville County, IDID135,7710.1%–

394Eau Claire County, WIWI109,0330.1%–

395Isabella County, MIMI64,6910.1%–

396Citrus County, FLFL171,6660.1%–

397Sedgwick County, KSKS538,4330.1%–

398Jackson County, IAIA19,2880.1%–

399Monroe County, PAPA167,1790.1%–

400Roanoke County, VAVA97,1500.1%–

401Orleans Parish, LALA362,1540.1%–

402Vilas County, WIWI23,7610.1%–

403Hampden County, MAMA464,3380.1%–

404Weber County, UTUT278,1740.1%–

405Pershing County, NVNV6,4210.1%–

406Lafayette County, WIWI17,4780.1%–

407Frio County, TXTX18,8230.1%–

408Tuolumne County, CACA53,1600.1%–

409Mayes County, OKOK40,4160.1%–

410Staunton, VAVA26,8010.1%–

411Wicomico County, MDMD106,8990.1%–

412Phelps County, MOMO45,2470.1%–

413Grant County, ININ66,5240.1%–

414Blount County, ALAL60,1560.1%–

415Hillsborough County, NHNH433,4150.1%–

416Marion County, ININ992,1960.1%–

417Spokane County, WAWA558,3440.1%–

418Cooke County, TXTX44,4610.1%–

419Las Animas County, COCO14,3910.1%–

420Warren County, OHOH257,1810.1%–

421Lafayette Parish, LALA257,9490.1%–

422Rowan County, NCNC155,0960.1%–

423Bowie County, TXTX92,6960.1%–

424Clarke County, GAGA129,9210.1%–

425Bucks County, PAPA647,8280.1%–

426Jackson County, MOMO732,9940.1%–

427Houston County, GAGA178,2140.1%–

428El Paso County, TXTX877,8580.1%–

429Franklin County, KYKY52,6490.1%–

430Jefferson County, FLFL16,0070.1%–

431Hudson County, NJNJ735,0330.1%–

432St. Joseph County, ININ272,8610.1%–

433Washington County, MNMN286,8950.1%–

434Brevard County, FLFL663,9820.1%–

435Anoka County, MNMN381,6050.1%–

436DeKalb County, GAGA774,3940.1%–

437Wood County, OHOH134,1760.1%–

438Centre County, PAPA157,3930.1%–

439LaPorte County, ININ111,2940.1%–

440Gilmer County, GAGA33,8940.1%–

441Grant County, WIWI52,4460.1%–

442Macomb County, MIMI886,2210.1%–

443Rockingham County, NCNC94,1950.1%–

444Linn County, IAIA232,0280.1%–

445Kanawha County, WVWV172,3810.1%–

446Anderson County, KYKY25,2250.1%–

447Montrose County, COCO44,5910.1%–

448Burlington County, NJNJ481,4390.1%–

449Saratoga County, NYNY241,3430.1%–

450Chatham County, GAGA311,8550.1%–

451Scott County, VAVA21,2000.1%–

452Cheatham County, TNTN42,7780.1%–

453Kalamazoo County, MIMI263,7950.1%–

454Larimer County, COCO377,2920.1%–

455Kittitas County, WAWA48,8030.1%–

456Avery County, NCNC18,1100.1%–

457Stoddard County, MOMO28,2840.0%–

458Grand Forks County, NDND74,5010.0%–

459Curry County, OROR22,6210.0%–

460Muscogee County, GAGA202,1710.0%–

461Elbert County, GAGA20,0720.0%–

462Alleghany County, VAVA14,5460.0%–

463Garza County, TXTX4,5100.0%–

464Rutland County, VTVT59,6530.0%–

465Orleans County, VTVT27,6000.0%–

466Buchanan County, MOMO83,5400.0%–

467Tillamook County, OROR27,3840.0%–

468Spotsylvania County, VAVA155,3880.0%–

469Barnstable County, MAMA233,5390.0%–

470Tuscaloosa County, ALAL241,3680.0%–

471Gregg County, TXTX126,0950.0%–

472Bonner County, IDID54,4200.0%–

473Peoria County, ILIL178,5530.0%–

474Edgecombe County, NCNC49,1210.0%–

475Douglas County, GAGA154,2930.0%–

476Henderson County, TXTX88,5950.0%–

477DeSoto County, MSMS197,9180.0%–

478Warren County, NYNY65,0200.0%–

479Beaufort County, SCSC204,4330.0%–

480Berkshire County, MAMA128,2240.0%–

481Ottawa County, MIMI308,4590.0%–

482Henry County, GAGA264,9220.0%–

483Fairfax, VAVA26,7720.0%–

484Ada County, IDID546,1410.0%–

485Bell County, KYKY22,8290.0%–

486Brunswick County, NCNC174,7020.0%–

487Pottawatomie County, OKOK75,1020.0%–

488Lafayette County, MOMO33,5310.0%–

489Edgefield County, SCSC29,8080.0%–

490Story County, IAIA101,2910.0%–

491Cameron County, TXTX433,9460.0%–

492Gentry County, MOMO6,3840.0%–

493Comanche County, OKOK122,1580.0%–

494Philadelphia County, PAPA1,574,2810.0%–

495Tulare County, CACA485,1460.0%–

496Izard County, ARAR14,4050.0%–

497Olmsted County, MNMN166,7310.0%–

498St. Lawrence County, NYNY105,4880.0%–

499Erie County, NYNY946,7410.0%–

500Saline County, ILIL22,7720.0%–

SHOWING 1–500 OF 941

Download CSV (full list, 941 rows)

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

Frequently asked

Which county has the highest iranian share?

Loudoun County, Virginia ranks #1 with 1.1% (2010 Decennial Census).

What are the top 5 counties by iranian share?

Loudoun County, Virginia, Orange County, California, Clay County, Kentucky, Montgomery County, Maryland, Los Angeles County, California.

How many counties are in this ranking?

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

How is iranian share measured?

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