RANKING · 1990 CENSUS · 500 SHOWN OF 3,122

Least racially diverse, US counties · 1990

US counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (1990 ACS).

Flip the list · Most racially diverse, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

RANKPLACESTATEPOPDIVERSITY SCOREVS –

1001Marion County, KSKS11,6347–

1002Baker County, OROR16,6587–

1003Greene County, TNTN73,8317–

1004Cerro Gordo County, IAIA42,3727–

1005Cambria County, PAPA128,9687–

1006Polk County, ARAR19,4867–

1007Bonner County, IDID54,4207–

1008Park County, MTMT18,2148–

1009Chittenden County, VTVT169,1158–

1010Teton County, WYWY23,3338–

1011Pottawatomie County, KSKS27,1868–

1012Lake County, OHOH232,2178–

1013Saratoga County, NYNY241,3438–

1014Asotin County, WAWA22,5458–

1015Kosciusko County, ININ80,8928–

1016Sanilac County, MIMI40,0838–

1017Warren County, ILIL16,2228–

1018Major County, OKOK7,5368–

1019Aroostook County, MEME66,6098–

1020Cheboygan County, MIMI25,7938–

1021Frederick County, VAVA99,9558–

1022Franklin County, IDID15,8898–

1023Kootenai County, IDID191,8648–

1024Harrison County, WVWV64,2218–

1025San Juan County, WAWA18,5778–

1026Huron County, OHOH58,2508–

1027Otsego County, NYNY60,5898–

1028Henry County, IAIA19,3498–

1029Page County, VAVA23,7628–

1030Jefferson County, MTMT13,3298–

1031Valley County, IDID12,8318–

1032Tazewell County, VAVA38,6358–

1033Anoka County, MNMN381,6058–

1034Butler County, KSKS69,4848–

1035Benton County, TNTN16,1838–

1036Yankton County, SDSD23,6358–

1037Mercer County, NDND8,4418–

1038Metcalfe County, KYKY10,5838–

1039Clay County, TXTX10,7648–

1040Custer County, IDID4,6368–

1041Sublette County, WYWY8,9298–

1042Flathead County, MTMT115,4298–

1043Miami County, OHOH112,6348–

1044Waukesha County, WIWI417,2108–

1045Nantucket County, MAMA14,7588–

1046Traverse County, MNMN3,1308–

1047Alleghany County, VAVA14,5468–

1048Livingston County, MOMO14,7088–

1049Adams County, PAPA107,5948–

1050Montgomery County, MOMO11,5908–

1051Mason County, MIMI29,0408–

1052Bon Homme County, SDSD7,2448–

1053Rockbridge County, VAVA22,6638–

1054Carroll County, MDMD176,6778–

1055Roberts County, TXTX8678–

1056Emery County, UTUT10,1778–

1057Cass County, MOMO115,8598–

1058Lincoln County, KYKY25,3538–

1059Pend Oreille County, WAWA14,4578–

1060Delaware County, OHOH242,0328–

1061Lycoming County, PAPA112,5878–

1062Monroe County, KYKY11,1918–

1063Montgomery County, ILIL28,0768–

1064Routt County, COCO25,3298–

1065Custer County, SDSD9,4318–

1066Clinton County, MOMO21,6618–

1067Stillwater County, MTMT9,4458–

1068Wayne County, UTUT2,5878–

1069Montague County, TXTX21,9668–

1070Steele County, MNMN37,4648–

1071Adams County, ILIL64,2678–

1072Williamson County, ILIL67,2258–

1073Buffalo County, NENE51,1728–

1074Grant County, OKOK4,0678–

1075Madison County, NENE36,1068–

1076Grand County, COCO16,4968–

1077Richland County, MTMT11,3778–

1078Boyd County, KYKY47,7518–

1079Niobrara County, WYWY2,3418–

1080Douglas County, WIWI43,9908–

1081Lincoln County, MOMO66,6768–

1082Bartholomew County, ININ85,7298–

1083Branch County, MIMI45,9938–

1084Lapeer County, MIMI89,5168–

1085Watauga County, NCNC54,7868–

1086Burleigh County, NDND103,2518–

1087Fayette County, OHOH28,5528–

1088Midland County, MIMI83,7548–

1089Hyde County, SDSD1,1918–

1090White County, GAGA29,8028–

1091Outagamie County, WIWI195,8948–

1092Jefferson County, TNTN60,0248–

1093Webster County, IAIA36,8388–

1094St. Louis County, MNMN200,5188–

1095DeKalb County, ALAL74,0858–

1096Bureau County, ILIL32,5109–

1097Lincoln County, MTMT22,3289–

1098Idaho County, IDID17,8749–

1099Mineral County, WVWV26,7929–

1100Berkshire County, MAMA128,2249–

1101Stevens County, MNMN9,7479–

1102Fayette County, ILIL20,7909–

1103Harrison County, KYKY19,6279–

1104Garfield County, UTUT5,2569–

1105Gilliam County, OROR1,9719–

1106Cumberland County, PAPA277,2709–

1107Warren County, OHOH257,1819–

1108Bath County, KYKY13,1769–

1109Wasatch County, UTUT38,5149–

1110Carroll County, ILIL15,4199–

1111Putnam County, ILIL5,6199–

1112Grayson County, VAVA15,2309–

1113Rhea County, TNTN34,8449–

1114Rice County, KSKS9,2669–

1115Bland County, VAVA6,1519–

1116Benton County, ARAR332,5549–

1117Hancock County, WVWV27,7299–

1118Lebanon County, PAPA146,3809–

1119Seneca County, NYNY32,8839–

1120Harlan County, KYKY24,7259–

1121Brown County, SDSD37,5619–

1122Cheyenne County, NENE9,5289–

1123Warren County, MOMO39,0169–

1124Grant County, ARAR18,7569–

1125Franklin County, PAPA160,6529–

1126Beaver County, UTUT7,3019–

1127Coles County, ILIL46,6079–

1128Teller County, COCO24,7569–

1129Saline County, ARAR133,2889–

1130Anderson County, KYKY25,2259–

1131Colonial Heights, VAVA18,7389–

1132Lafayette County, MOMO33,5319–

1133Perry County, ARAR10,3099–

1134Champaign County, OHOH38,8209–

1135Sheridan County, WYWY33,2419–

1136Graham County, KSKS2,3719–

1137Ontario County, NYNY113,1309–

1138Walsh County, NDND10,1799–

1139Elk County, KSKS2,4589–

1140Paulding County, OHOH18,7279–

1141Gogebic County, MIMI14,2859–

1142Humphreys County, TNTN19,6469–

1143Emmet County, MIMI33,7759–

1144Itasca County, MNMN45,4049–

1145Marion County, ALAL29,0979–

1146Monroe County, TNTN49,7309–

1147Tillamook County, OROR27,3849–

1148Kenton County, KYKY175,7799–

1149Grant County, OROR7,0759–

1150San Miguel County, COCO7,7539–

1151Linn County, IAIA232,0289–

1152Custer County, COCO5,5909–

1153Putnam County, TNTN86,6129–

1154Cherokee County, GAGA299,2739–

1155Chautauqua County, KSKS3,3219–

1156Adair County, KYKY19,4239–

1157Lawrence County, PAPA83,9119–

1158Powder River County, MTMT1,7819–

1159Breckinridge County, KYKY21,5039–

1160Green County, KYKY11,6449–

1161St. Lawrence County, NYNY105,4889–

1162Tuscola County, MIMI52,6809–

1163Deschutes County, OROR213,0729–

1164Phillips County, COCO4,4209–

1165Dawson County, NENE24,4529–

1166Campbell County, WYWY48,1459–

1167Silver Bow County, MTMT36,1189–

1168Nobles County, MNMN22,3389–

1169Hillsborough County, NHNH433,4159–

1170Sussex County, NJNJ148,0639–

1171Newton County, MOMO62,26310–

1172Monroe County, MIMI156,00410–

1173Dolores County, COCO2,46610–

1174Eau Claire County, WIWI109,03310–

1175Gallia County, OHOH29,07210–

1176Clark County, KSKS1,90010–

1177Macomb County, MIMI886,22110–

1178Ballard County, KYKY7,59410–

1179Roanoke County, VAVA97,15010–

1180Greene County, MOMO309,28610–

1181Ohio County, WVWV40,49610–

1182Moore County, TNTN6,92010–

1183Gallatin County, MTMT128,74010–

1184Blaine County, IDID25,51710–

1185Mille Lacs County, MNMN27,75310–

1186Deer Lodge County, MTMT9,70910–

1187Putnam County, ININ37,87610–

1188Kane County, UTUT8,59710–

1189Cattaraugus County, NYNY75,39010–

1190Freeborn County, MNMN30,44010–

1191Bond County, ILIL16,95910–

1192Putnam County, OHOH34,38010–

1193Lewis County, MOMO9,87910–

1194Union County, OROR25,90010–

1195Washington County, RIRI129,79510–

1196Allen County, KSKS12,30210–

1197Summit County, COCO31,51710–

1198Benzie County, MIMI18,56810–

1199Kandiyohi County, MNMN44,72010–

1200Butte County, IDID2,78310–

1201Lewis and Clark County, MTMT75,33110–

1202Crawford County, ARAR62,65710–

1203Woods County, OKOK8,44310–

1204Hot Springs County, WYWY4,60010–

1205Park County, WYWY31,17110–

1206Hancock County, OHOH75,03410–

1207Neosho County, KSKS15,63710–

1208Ogle County, ILIL51,39910–

1209Louisa County, IAIA10,41610–

1210Washington County, MNMN286,89510–

1211Washington County, UTUT213,67010–

1212Fayette County, PAPA123,02110–

1213Smith County, TNTN20,98110–

1214Washington County, PAPA210,80210–

1215Calloway County, KYKY39,42110–

1216Kiowa County, COCO1,41210–

1217Porter County, ININ176,04910–

1218Clay County, MNMN67,73410–

1219Mineral County, MTMT5,18510–

1220Miami County, KSKS36,24010–

1221Shoshone County, IDID14,13010–

1222Greenbrier County, WVWV31,57810–

1223Sheboygan County, WIWI118,04710–

1224Cheyenne County, COCO1,71310–

1225Jasper County, MOMO127,42810–

1226Tishomingo County, MSMS18,63910–

1227Genesee County, NYNY58,41610–

1228Muhlenberg County, KYKY30,63410–

1229Scioto County, OHOH71,36510–

1230Johnson County, ARAR26,22510–

1231St. Charles County, MOMO426,49910–

1232Logan County, WVWV30,37510–

1233McHenry County, ILIL317,75110–

1234Warren County, NJNJ112,95310–

1235Roane County, TNTN57,39510–

1236Crawford County, MIMI13,72210–

1237Walworth County, WIWI106,12710–

1238Wood County, OHOH134,17610–

1239Marquette County, MIMI68,06410–

1240La Crosse County, WIWI121,33910–

1241Daggett County, UTUT93411–

1242Blount County, TNTN143,82011–

1243Doniphan County, KSKS7,59411–

1244Saline County, ILIL22,77211–

1245Sioux County, NENE1,18811–

1246Norton County, KSKS5,28811–

1247Pope County, ARAR64,97611–

1248Henry County, KYKY16,44711–

1249Burnett County, WIWI17,22311–

1250Clinton County, ILIL37,12811–

1251Brown County, WIWI275,80311–

1252St. Clair County, MIMI160,48611–

1253Portage County, OHOH163,40411–

1254Crawford County, KSKS39,00811–

1255Lawrence County, SDSD29,45911–

1256Livingston County, NYNY61,43811–

1257Bourbon County, KSKS14,31911–

1258Garrard County, KYKY18,20711–

1259Franklin County, KSKS26,29911–

1260Bledsoe County, TNTN15,92011–

1261Jack County, TXTX9,56311–

1262Lewis County, WAWA88,06211–

1263Yell County, ARAR19,95611–

1264Washington County, TNTN141,19911–

1265Callahan County, TXTX14,49111–

1266Linn County, OROR132,84311–

1267Sevier County, UTUT22,82711–

1268Clearwater County, IDID9,11811–

1269Crook County, OROR27,56411–

1270Walker County, GAGA70,25011–

1271Pike County, PAPA62,80811–

1272Elbert County, COCO30,53411–

1273Ellsworth County, KSKS6,25711–

1274Pratt County, KSKS9,11711–

1275Chariton County, MOMO7,37711–

1276Dakota County, MNMN457,71011–

1277Latah County, IDID41,84211–

1278Monroe County, MOMO8,95911–

1279LaSalle County, ILIL107,77311–

1280St. Joseph County, MIMI60,96811–

1281Larue County, KYKY15,18411–

1282Marion County, WVWV55,58411–

1283Des Moines County, IAIA38,07711–

1284Missoula County, MTMT123,51311–

1285Daviess County, KYKY104,89811–

1286Park County, COCO18,31411–

1287White County, ARAR80,08511–

1288Clear Creek County, COCO8,99411–

1289Augusta County, VAVA78,94011–

1290Pettis County, MOMO44,25411–

1291Jessamine County, KYKY57,14711–

1292Gordon County, GAGA61,70111–

1293Columbia County, OROR54,09111–

1294Lumpkin County, GAGA36,17811–

1295Carlton County, MNMN36,71111–

1296Cherokee County, NCNC30,83011–

1297Newaygo County, MIMI51,62211–

1298Llano County, TXTX23,35311–

1299Olmsted County, MNMN166,73111–

1300Gilpin County, COCO6,07311–

1301McDonald County, MOMO23,99211–

1302Leelanau County, MIMI22,98211–

1303Barton County, KSKS24,79011–

1304Graves County, KYKY37,05011–

1305Montcalm County, MIMI69,40611–

1306Union County, OHOH73,44611–

1307Barnstable County, MAMA233,53911–

1308Polk County, MNMN30,54511–

1309Decatur County, TNTN11,82011–

1310Pike County, ARAR9,96411–

1311Berkeley County, WVWV139,52211–

1312Warren County, TNTN43,71711–

1313Clatsop County, OROR40,92612–

1314Morgan County, OHOH13,62612–

1315Montgomery County, KYKY28,82212–

1316Ramsey County, NDND11,53012–

1317Chouteau County, MTMT5,86512–

1318Hardin County, TNTN27,98312–

1319Henderson County, NCNC122,37512–

1320Mercer County, KYKY23,73312–

1321Armstrong County, TXTX1,84312–

1322Gunnison County, COCO17,43912–

1323Iosco County, MIMI25,26612–

1324Phelps County, MOMO45,24712–

1325Oldham County, KYKY70,98612–

1326Millard County, UTUT14,05712–

1327Union County, PAPA42,31312–

1328Monroe County, PAPA167,17912–

1329Ellis County, OKOK3,61312–

1330McDowell County, NCNC45,19812–

1331Gregory County, SDSD4,03712–

1332Ada County, IDID546,14112–

1333Broome County, NYNY195,73612–

1334Houston County, TNTN8,47912–

1335Hunterdon County, NJNJ131,78112–

1336Washington County, MEME31,33412–

1337Douglas County, OROR111,95112–

1338Rio Blanco County, COCO6,68312–

1339Muskingum County, OHOH87,01412–

1340Banks County, GAGA21,27312–

1341Marion County, TNTN29,80412–

1342Putnam County, NYNY99,02812–

1343Wythe County, VAVA27,98312–

1344Williams County, NDND41,76712–

1345Washington County, ARAR271,21312–

1346Botetourt County, VAVA34,14412–

1347Cabell County, WVWV91,18312–

1348Pine County, MNMN30,47212–

1349Citrus County, FLFL171,66612–

1350Henry County, OHOH27,59812–

1351Ottawa County, OHOH39,48112–

1352Butte County, SDSD10,85612–

1353Madison County, IDID55,17212–

1354Josephine County, OROR87,86712–

1355Natrona County, WYWY80,52612–

1356Jackson County, WIWI20,99912–

1357Cherry County, NENE5,56112–

1358Gratiot County, MIMI41,19012–

1359Clay County, MOMO265,03212–

1360Ashtabula County, OHOH96,71312–

1361Floyd County, ININ82,15312–

1362Fulton County, OHOH41,85312–

1363Clackamas County, OROR426,28012–

1364Bay County, MIMI102,12312–

1365Curry County, OROR22,62112–

1366Shawano County, WIWI41,56012–

1367Dare County, NCNC38,24512–

1368Knox County, NENE8,33512–

1369Utah County, UTUT759,85912–

1370Paulding County, GAGA190,99612–

1371Koochiching County, MNMN11,58712–

1372Meade County, KSKS3,85212–

1373Cleburne County, ALAL15,97013–

1374Lee County, IAIA32,30613–

1375Uinta County, WYWY20,72813–

1376Wayne County, NYNY91,25013–

1377Clay County, SDSD15,03113–

1378Cherokee County, KSKS19,10513–

1379Taylor County, KYKY26,76313–

1380Essex County, NYNY36,43813–

1381Chautauqua County, NYNY124,12613–

1382Sumner County, KSKS22,31213–

1383Lincoln County, OROR50,63613–

1384McMinn County, TNTN57,40413–

1385York County, PAPA473,19713–

1386Kendall County, ILIL145,47013–

1387Franklin County, ALAL32,44913–

1388Gray County, KSKS5,65213–

1389Hamblen County, TNTN68,84313–

1390Converse County, WYWY13,82413–

1391Buena Vista, VAVA6,67213–

1392Monongalia County, WVWV107,99113–

1393Dawes County, NENE7,85813–

1394Isabella County, MIMI64,69113–

1395Mecosta County, MIMI42,32013–

1396Marion County, ILIL36,38213–

1397Yadkin County, NCNC38,32513–

1398McLean County, NDND9,74013–

1399Seneca County, OHOH54,52213–

1400Morgan County, ILIL32,51513–

1401Douglas County, COCO399,39613–

1402Huntingdon County, PAPA43,00113–

1403Bradley County, TNTN115,46513–

1404Kimball County, NENE3,39113–

1405Mercer County, PAPA107,86013–

1406Parker County, TXTX184,76713–

1407Allegan County, MIMI123,18813–

1408Ouray County, COCO5,26513–

1409Hood County, TXTX70,50113–

1410Coffee County, TNTN62,41913–

1411Kittitas County, WAWA48,80313–

1412Adams County, WIWI21,75213–

1413Skamania County, WAWA12,66913–

1414Iron County, UTUT67,14113–

1415Washington County, NYNY59,35313–

1416Buchanan County, MOMO83,54014–

1417Columbia County, NYNY60,16814–

1418Jefferson County, WAWA33,97014–

1419Hickman County, TNTN26,21914–

1420Hartley County, TXTX4,90414–

1421Watonwan County, MNMN11,45914–

1422Cowlitz County, WAWA114,88514–

1423Wilkes County, NCNC66,23314–

1424Roger Mills County, OKOK3,25914–

1425Wahkiakum County, WAWA4,87314–

1426Cumberland County, KYKY5,99214–

1427Platte County, WYWY8,63414–

1428Wallace County, KSKS1,44114–

1429Cayuga County, NYNY74,36514–

1430Johnson County, KSKS636,90614–

1431Lincoln County, NENE33,30314–

1432Barren County, KYKY45,64114–

1433Beaver County, OKOK4,88214–

1434Anderson County, TNTN82,06614–

1435Marion County, MOMO28,52514–

1436Hamilton County, TXTX8,68014–

1437Marion County, OHOH65,11514–

1438Woodward County, OKOK19,82714–

1439Butler County, OHOH400,12814–

1440Big Horn County, WYWY12,02414–

1441Lancaster County, NENE334,04914–

1442Transylvania County, NCNC34,21114–

1443Sherman County, KSKS5,76314–

1444Cecil County, MDMD107,13114–

1445Pasco County, FLFL674,51614–

1446Keith County, NENE8,10014–

1447Brantley County, GAGA18,93614–

1448Surry County, NCNC72,28714–

1449Warren County, VAVA42,74014–

1450Tama County, IAIA16,79614–

1451Lincoln County, IDID5,60314–

1452Bucks County, PAPA647,82814–

1453Dickson County, TNTN58,66214–

1454Logan County, ILIL27,18214–

1455Webb County, TXTX281,22414–

1456Sanpete County, UTUT31,45314–

1457Marshall County, SDSD4,42614–

1458Bristol County, MAMA593,64014–

1459Madison County, KYKY101,69615–

1460Salem, VAVA25,81615–

1461Donley County, TXTX3,21315–

1462Sumner County, TNTN215,53815–

1463Cache County, UTUT145,00015–

1464Hall County, NENE63,63315–

1465Caldwell County, NCNC81,10515–

1466Edwards County, KSKS2,64015–

1467Butler County, MOMO41,90415–

1468Coos County, OROR63,99215–

1469Lake County, OROR8,18715–

1470Norfolk County, MAMA739,74915–

1471Athens County, OHOH63,19715–

1472Wayne County, ININ66,16915–

1473Graham County, NCNC8,19015–

1474Cape Girardeau County, MOMO83,99915–

1475Ottawa County, MIMI308,45915–

1476Lane County, OROR381,58415–

1477Rensselaer County, NYNY160,51015–

1478Spokane County, WAWA558,34415–

1479Callaway County, MOMO45,76515–

1480Beaver County, PAPA166,03215–

1481Webster County, KYKY12,92915–

1482Yellowstone County, MTMT172,69215–

1483Lee County, ILIL32,91415–

1484Montgomery County, NYNY50,04615–

1485Platte County, MOMO114,40015–

1486Summers County, WVWV11,53215–

1487Stokes County, NCNC46,12615–

1488Jackson County, COCO1,21115–

1489Schoolcraft County, MIMI8,18715–

1490Centre County, PAPA157,39315–

1491Grand Forks County, NDND74,50115–

1492Caldwell County, KYKY12,60915–

1493Pulaski County, VAVA33,58615–

1494Bonneville County, IDID135,77115–

1495Maverick County, TXTX58,82315–

1496Alger County, MIMI8,64115–

1497Nevada County, CACA101,91115–

1498Jefferson County, OHOH63,59715–

1499Box Elder County, UTUT65,32015–

1500Powell County, MTMT7,15715–

SHOWING 1,001–1,500 OF 3,122

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