CensusEasy
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 (2023 ACS).

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RELATEDOldest by median ageYoungest by median ageMost foreign-born residentsHighest uninsured rateMost womenMost men
YEAR19902000201020202024
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RANKPLACESTATEPOPDIVERSITY SCOREVS 2000
1001Thomas County, KSKS7,7258+31%
1002Carroll County, MDMD176,6778−15%
1003McPherson County, KSKS30,0648+10%
1004Manistee County, MIMI25,6568−26%
1005Lincoln County, KYKY25,3538−3%
1006Rockingham County, VAVA89,3168−29%
1007Adams County, ILIL64,2678−20%
1008Kootenai County, IDID191,8648+12%
1009Otsego County, NYNY60,5898−18%
1010Montgomery County, MOMO11,5908+11%
1011Dodge County, WIWI89,0978−35%
1012Anoka County, MNMN381,6058−31%
1013Livingston County, MOMO14,7088+7%
1014Hyde County, SDSD1,1918+417%
1015Jefferson County, MTMT13,3298+64%
1016Custer County, SDSD9,4318+69%
1017Delaware County, OHOH242,0328−32%
1018Monroe County, KYKY11,1918−17%
1019Gilliam County, OROR1,9718+58%
1020Waushara County, WIWI25,2238−18%
1021Greenwood County, KSKS5,8268+71%
1022Flathead County, MTMT115,4299+66%
1023Watauga County, NCNC54,7869−4%
1024Cerro Gordo County, IAIA42,3729−18%
1025Lycoming County, PAPA112,5879−34%
1026Alleghany County, NCNC11,4799−43%
1027Jefferson County, TNTN60,0249−10%
1028Colfax County, NENE10,9349−82%
1029Henry County, IAIA19,3499−24%
1030Stafford County, KSKS4,0059−37%
1031Williamson County, ILIL67,2259−16%
1032Archer County, TXTX9,1299−30%
1033Caribou County, IDID7,2529−13%
1034Mineral County, WVWV26,7929+6%
1035Bath County, KYKY13,1769+33%
1036Douglas County, WIWI43,9909+77%
1037Pend Oreille County, WAWA14,4579+20%
1038Harrison County, KYKY19,6279−7%
1039Bonner County, IDID54,4209+72%
1040Grayson County, VAVA15,2309−55%
1041Clinton County, MOMO21,6619+28%
1042St. Louis County, MNMN200,5189+50%
1043Warren County, OHOH257,1819−28%
1044White County, GAGA29,8029−15%
1045Montgomery County, ILIL28,0769−27%
1046Warren County, ILIL16,2229−22%
1047Custer County, IDID4,6369−14%
1048Lincoln County, COCO5,6459−72%
1049Butler County, KSKS69,4849−11%
1050Polk County, ARAR19,4869−8%
1051Fayette County, OHOH28,5529−3%
1052Asotin County, WAWA22,5459+35%
1053Boyd County, KYKY47,7519−6%
1054Huron County, OHOH58,2509−23%
1055Yuma County, COCO9,8969−69%
1056Bartholomew County, ININ85,7299−38%
1057DeKalb County, ALAL74,0859−49%
1058Lincoln County, MTMT22,3289+91%
1059Lincoln County, MOMO66,6769+19%
1060Pembina County, NDND6,5689+5%
1061Cass County, MOMO115,8599−11%
1062Idaho County, IDID17,8749+85%
1063Kosciusko County, ININ80,8929−39%
1064Valley County, IDID12,8319+59%
1065Burleigh County, NDND103,2519+169%
1066Mercer County, NDND8,4419+423%
1067Harlan County, KYKY24,7259+4%
1068Humphreys County, TNTN19,6469−7%
1069Hancock County, WVWV27,7299+10%
1070Outagamie County, WIWI195,8949−22%
1071Bland County, VAVA6,1519−20%
1072Webster County, IAIA36,8389−40%
1073Perry County, ARAR10,3099+22%
1074Garfield County, UTUT5,2569+8%
1075Adair County, KYKY19,4239+6%
1076Branch County, MIMI45,9939−37%
1077Cumberland County, PAPA277,2709−29%
1078Phillips County, COCO4,4209−67%
1079Itasca County, MNMN45,4049+246%
1080Lafayette County, MOMO33,5319+2%
1081Berkshire County, MAMA128,2249−17%
1082Gogebic County, MIMI14,2859+30%
1083Kiowa County, KSKS2,4329+48%
1084Lemhi County, IDID8,4749+52%
1085Marion County, ALAL29,0979−22%
1086Brown County, SDSD37,5619+170%
1087Breckinridge County, KYKY21,5039+6%
1088Champaign County, OHOH38,8209+17%
1089Emmet County, MIMI33,7759+103%
1090Warren County, MOMO39,0169+11%
1091Routt County, COCO25,3299+3%
1092Grundy County, ILIL54,0529−16%
1093Graham County, KSKS2,3719−10%
1094Kenton County, KYKY175,7799−29%
1095Waukesha County, WIWI417,2109−20%
1096Midland County, MIMI83,7549−6%
1097Rhea County, TNTN34,8449−3%
1098Saline County, ARAR133,2889−5%
1099Fayette County, ILIL20,7909−32%
1100Bear Lake County, IDID6,7279+53%
1101Lawrence County, PAPA83,91110−11%
1102Monroe County, TNTN49,73010−10%
1103Grant County, ARAR18,75610+4%
1104Wasatch County, UTUT38,51410−29%
1105Stevens County, MNMN9,74710+44%
1106Ballard County, KYKY7,59410+6%
1107Coles County, ILIL46,60710−12%
1108Harper County, OKOK3,17210−30%
1109Seneca County, NYNY32,88310−18%
1110Grant County, OKOK4,06710+84%
1111Moore County, TNTN6,92010+9%
1112Park County, MTMT18,21410+55%
1113Clay County, TXTX10,76410−5%
1114Chautauqua County, KSKS3,32110+117%
1115Custer County, MTMT12,03410+109%
1116Linn County, IAIA232,02810−25%
1117Bureau County, ILIL32,51010−29%
1118Eau Claire County, WIWI109,03310−0%
1119Anderson County, KYKY25,22510+24%
1120Sanilac County, MIMI40,08310+20%
1121Ohio County, WVWV40,49610−16%
1122Putnam County, TNTN86,61210−28%
1123San Miguel County, COCO7,75310−45%
1124Adams County, ININ36,65010+11%
1125Lewis County, MOMO9,87910+16%
1126Richland County, MTMT11,37710+62%
1127Major County, OKOK7,53610−6%
1128Carroll County, ILIL15,41910+33%
1129Newton County, MOMO62,26310+26%
1130Mason County, MIMI29,04010−0%
1131Stillwater County, MTMT9,44510+70%
1132Roanoke County, VAVA97,15010−31%
1133Ontario County, NYNY113,13010−14%
1134Green County, KYKY11,64410+11%
1135Macomb County, MIMI886,22110−36%
1136Wayne County, UTUT2,58710+79%
1137Adams County, PAPA107,59410−22%
1138Franklin County, PAPA160,65210−10%
1139Rich County, UTUT2,68710+81%
1140Gallia County, OHOH29,07210+11%
1141Franklin County, IDID15,88910−23%
1142Tillamook County, OROR27,38410−31%
1143Sussex County, NJNJ148,06310−25%
1144Treasure County, MTMT72810+102%
1145Kane County, UTUT8,59710+57%
1146Crawford County, ARAR62,65710−24%
1147Washington County, RIRI129,79510+7%
1148Smith County, TNTN20,98110+8%
1149Benton County, ARAR332,55410−58%
1150Greene County, MOMO309,28610−21%
1151Fayette County, PAPA123,02110+2%
1152Calloway County, KYKY39,42110−32%
1153Sheridan County, WYWY33,24110+37%
1154Putnam County, ININ37,87610−8%
1155Mille Lacs County, MNMN27,75310+173%
1156Elk County, KSKS2,45810+57%
1157Madison County, NENE36,10610−56%
1158Tishomingo County, MSMS18,63910−15%
1159Powder River County, MTMT1,78110+475%
1160Colonial Heights, VAVA18,73810−58%
1161Cherokee County, GAGA299,27310−50%
1162Custer County, COCO5,59010+31%
1163Gallatin County, MTMT128,74010+56%
1164Washington County, PAPA210,80210+2%
1165Cattaraugus County, NYNY75,39010+69%
1166Crawford County, MIMI13,72210+52%
1167Scioto County, OHOH71,36510+18%
1168Greenbrier County, WVWV31,57810+9%
1169Muhlenberg County, KYKY30,63410−21%
1170Deschutes County, OROR213,07210−8%
1171Lapeer County, MIMI89,51611+0%
1172Jasper County, MOMO127,42811−24%
1173Logan County, WVWV30,37511+26%
1174Blount County, TNTN143,82011−8%
1175Henry County, KYKY16,44711−25%
1176Roane County, TNTN57,39511+13%
1177Steele County, MNMN37,46411−23%
1178Burnett County, WIWI17,22311+200%
1179Lewis and Clark County, MTMT75,33111+90%
1180Garrard County, KYKY18,20711−0%
1181Deer Lodge County, MTMT9,70911+95%
1182Benzie County, MIMI18,56811+124%
1183St. Lawrence County, NYNY105,48811−9%
1184Genesee County, NYNY58,41611+9%
1185Mineral County, MTMT5,18511+86%
1186Hillsborough County, NHNH433,41511−30%
1187Monroe County, MIMI156,00411−1%
1188Allen County, KSKS12,30211+14%
1189Bond County, ILIL16,95911−49%
1190St. Charles County, MOMO426,49911−11%
1191Dolores County, COCO2,46611+3%
1192Washington County, TNTN141,19911−23%
1193Portage County, OHOH163,40411−4%
1194Saline County, ILIL22,77211−13%
1195Chariton County, MOMO7,37711+18%
1196La Crosse County, WIWI121,33911−9%
1197Bledsoe County, TNTN15,92011−8%
1198Crawford County, KSKS39,00811−15%
1199Pope County, ARAR64,97611−14%
1200Emery County, UTUT10,17711−20%
1201Washington County, MNMN286,89511−23%
1202Marion County, WVWV55,58411+5%
1203Washington County, UTUT213,67011−22%
1204Walker County, GAGA70,25011−8%
1205Lebanon County, PAPA146,38011−33%
1206Daviess County, KYKY104,89811−19%
1207Tuscola County, MIMI52,68011+23%
1208Union County, OROR25,90011+18%
1209Bourbon County, KSKS14,31911−3%
1210Yell County, ARAR19,95611−66%
1211Warren County, NJNJ112,95311−30%
1212Porter County, ININ176,04911−30%
1213Norton County, KSKS5,28811−32%
1214Daggett County, UTUT93411−18%
1215Marquette County, MIMI68,06411+80%
1216Scott County, KSKS4,81511−26%
1217Brown County, WIWI275,80311−35%
1218Buffalo County, NENE51,17211−20%
1219Grant County, OROR7,07511+92%
1220Miami County, KSKS36,24011+39%
1221Monroe County, MOMO8,95911+3%
1222Pettis County, MOMO44,25411−35%
1223Silver Bow County, MTMT36,11811+38%
1224Graves County, KYKY37,05011−32%
1225Pike County, PAPA62,80811−45%
1226Carlton County, MNMN36,71111+103%
1227Lumpkin County, GAGA36,17811−12%
1228Jessamine County, KYKY57,14711−6%
1229Augusta County, VAVA78,94011−2%
1230Cherokee County, NCNC30,83011+47%
1231Larue County, KYKY15,18411−1%
1232Walsh County, NDND10,17911−21%
1233Ramsey County, NDND11,53012+350%
1234Clinton County, ILIL37,12812−18%
1235Lawrence County, SDSD29,45912+95%
1236Morgan County, OHOH13,62612+20%
1237Decatur County, TNTN11,82012−14%
1238Johnson County, ARAR26,22512−41%
1239Blaine County, IDID25,51712−55%
1240Doniphan County, KSKS7,59412+36%
1241Pike County, ARAR9,96412−33%
1242Union County, OHOH73,44612+16%
1243Hardin County, TNTN27,98312−1%
1244Park County, COCO18,31412−8%
1245Gilpin County, COCO6,07312−13%
1246Olmsted County, MNMN166,73112−47%
1247St. Joseph County, MIMI60,96812−31%
1248Summit County, COCO31,51712−55%
1249Hot Springs County, WYWY4,60012+59%
1250Montgomery County, KYKY28,82212+2%
1251Berkeley County, WVWV139,52212−26%
1252Niobrara County, WYWY2,34112+176%
1253Shoshone County, IDID14,13012+104%
1254McDonald County, MOMO23,99212−49%
1255Grand County, COCO16,49612−12%
1256Campbell County, WYWY48,14512+21%
1257Gregory County, SDSD4,03712+295%
1258Beaver County, UTUT7,30112−24%
1259Teller County, COCO24,75612+4%
1260White County, ARAR80,08512−16%
1261Cheyenne County, NENE9,52812−1%
1262Mercer County, KYKY23,73312−9%
1263Sheboygan County, WIWI118,04712−35%
1264Lewis County, WAWA88,06212−24%
1265Gordon County, GAGA61,70112−55%
1266Washington County, MEME31,33412+241%
1267Dakota County, MNMN457,71012−38%
1268Clearwater County, IDID9,11812+100%
1269McDowell County, NCNC45,19812−36%
1270Barnstable County, MAMA233,53912+29%
1271Livingston County, NYNY61,43812−16%
1272Houston County, TNTN8,47912+6%
1273St. Clair County, MIMI160,48612+6%
1274Leelanau County, MIMI22,98212+28%
1275Muskingum County, OHOH87,01412+4%
1276Warren County, TNTN43,71712−40%
1277Oldham County, KYKY70,98612−15%
1278Latah County, IDID41,84212+2%
1279Missoula County, MTMT123,51312+64%
1280Cabell County, WVWV91,18312−12%
1281Botetourt County, VAVA34,14412+10%
1282Des Moines County, IAIA38,07712−14%
1283Cherry County, NENE5,56112+241%
1284Marion County, TNTN29,80412+0%
1285Sevier County, UTUT22,82712+60%
1286Jackson County, WIWI20,99912+12%
1287Citrus County, FLFL171,66612−11%
1288Park County, WYWY31,17112+20%
1289Henderson County, NCNC122,37512−42%
1290Pratt County, KSKS9,11712+13%
1291Paulding County, OHOH18,72712+24%
1292Chouteau County, MTMT5,86512+370%
1293Knox County, NENE8,33512+303%
1294Dawson County, NENE24,45212−75%
1295Hunterdon County, NJNJ131,78113−24%
1296Broome County, NYNY195,73613−34%
1297Cleburne County, ALAL15,97013−1%
1298Floyd County, ININ82,15313−12%
1299Phelps County, MOMO45,24713+1%
1300Wythe County, VAVA27,98313+37%
1301Taylor County, KYKY26,76313−13%
1302Shawano County, WIWI41,56013+205%
1303Columbia County, OROR54,09113+51%
1304Linn County, OROR132,84313−6%
1305Monroe County, PAPA167,17913−59%
1306Paulding County, GAGA190,99613−40%
1307Hancock County, OHOH75,03413−3%
1308Rice County, KSKS9,26613−25%
1309Putnam County, ILIL5,61913+41%
1310Montcalm County, MIMI69,40613+11%
1311Iosco County, MIMI25,26613+178%
1312Clear Creek County, COCO8,99413+16%
1313Neosho County, KSKS15,63713+27%
1314Williams County, NDND41,76713+300%
1315McMinn County, TNTN57,40413−23%
1316Wood County, OHOH134,17613−5%
1317Franklin County, ALAL32,44913−52%
1318Washington County, ARAR271,21313−54%
1319Cherokee County, KSKS19,10513+132%
1320Nobles County, MNMN22,33813−64%
1321Hamblen County, TNTN68,84313−46%
1322Buena Vista, VAVA6,67213−13%
1323Dare County, NCNC38,24513+2%
1324Clark County, KSKS1,90013+23%
1325Pine County, MNMN30,47213+55%
1326Putnam County, NYNY99,02813−39%
1327Montague County, TXTX21,96613−7%
1328Butte County, IDID2,78313+15%
1329Ellsworth County, KSKS6,25713−26%
1330McHenry County, ILIL317,75113−41%
1331Douglas County, OROR111,95113+29%
1332Clay County, MNMN67,73413+6%
1333Gunnison County, COCO17,43913−8%
1334LaSalle County, ILIL107,77313−24%
1335Putnam County, OHOH34,38013+17%
1336Curry County, OROR22,62113+18%
1337Banks County, GAGA21,27313−23%
1338McLean County, NDND9,74013+394%
1339Kandiyohi County, MNMN44,72013−35%
1340Crook County, OROR27,56413−10%
1341Walworth County, WIWI106,12713−29%
1342Franklin County, KSKS26,29913+32%
1343Ada County, IDID546,14113−19%
1344Woods County, OKOK8,44313+3%
1345Marion County, ILIL36,38214+5%
1346Ashtabula County, OHOH96,71314−1%
1347Clay County, SDSD15,03114+42%
1348Mercer County, PAPA107,86014−10%
1349Union County, PAPA42,31314−48%
1350Lincoln County, OROR50,63614−9%
1351Ogle County, ILIL51,39914−16%
1352Jefferson County, WAWA33,97014+46%
1353Morgan County, ILIL32,51514−20%
1354Clatsop County, OROR40,92614−9%
1355Roberts County, TXTX86714+55%
1356Monongalia County, WVWV107,99114−17%
1357Josephine County, OROR87,86714+9%
1358Polk County, MNMN30,54514+6%
1359Clay County, MOMO265,03214−24%
1360Bradley County, TNTN115,46514−13%
1361Cumberland County, KYKY5,99214+42%
1362Coffee County, TNTN62,41914−10%
1363Dawes County, NENE7,85814+57%
1364Barren County, KYKY45,64114+7%
1365Kimball County, NENE3,39114+56%
1366Wilkes County, NCNC66,23314−26%
1367Kiowa County, COCO1,41214+56%
1368Skamania County, WAWA12,66914+14%
1369Louisa County, IAIA10,41614−51%
1370Marion County, MOMO28,52514+1%
1371Mecosta County, MIMI42,32014+1%
1372Brantley County, GAGA18,93614+15%
1373Transylvania County, NCNC34,21114+5%
1374Clackamas County, OROR426,28014−27%
1375Lee County, IAIA32,30614+5%
1376Anderson County, TNTN82,06614+1%
1377Wayne County, NYNY91,25014−3%
1378Elbert County, COCO30,53414+21%
1379Huntingdon County, PAPA43,00114−7%
1380Freeborn County, MNMN30,44014−14%
1381Essex County, NYNY36,43814+12%
1382Hickman County, TNTN26,21914+6%
1383Butler County, OHOH400,12814−26%
1384Isabella County, MIMI64,69114+4%
1385Natrona County, WYWY80,52614−1%
1386Salem, VAVA25,81614−20%
1387Barton County, KSKS24,79015−35%
1388Cheyenne County, COCO1,71315−27%
1389Douglas County, COCO399,39615−28%
1390Marion County, OHOH65,11515−16%
1391Yadkin County, NCNC38,32515−37%
1392York County, PAPA473,19715−17%
1393Ottawa County, OHOH39,48115+31%
1394Dickson County, TNTN58,66215+2%
1395Marshall County, SDSD4,42615+499%
1396Newaygo County, MIMI51,62215+15%
1397Llano County, TXTX23,35315+6%
1398Ellis County, OKOK3,61315+114%
1399Wallace County, KSKS1,44115+9%
1400Tama County, IAIA16,79615+37%
1401Platte County, WYWY8,63415+13%
1402Cecil County, MDMD107,13115+1%
1403Sumner County, TNTN215,53815−23%
1404Madison County, KYKY101,69615+0%
1405Lincoln County, IDID5,60315−52%
1406Koochiching County, MNMN11,58715+531%
1407Butler County, MOMO41,90415−6%
1408Graham County, NCNC8,19015+408%
1409Caldwell County, NCNC81,10515−23%
1410Callahan County, TXTX14,49115−6%
1411Johnson County, KSKS636,90615−32%
1412Uinta County, WYWY20,72815+10%
1413Columbia County, NYNY60,16815−18%
1414Warren County, VAVA42,74015−7%
1415Iron County, UTUT67,14115+18%
1416Gratiot County, MIMI41,19015−25%
1417Webster County, KYKY12,92915−4%
1418Wayne County, ININ66,16915−9%
1419Cape Girardeau County, MOMO83,99915−8%
1420Beaver County, PAPA166,03215−7%
1421Callaway County, MOMO45,76515−10%
1422Rio Blanco County, COCO6,68315+17%
1423Athens County, OHOH63,19715+17%
1424Cayuga County, NYNY74,36515+1%
1425Buchanan County, MOMO83,54015−11%
1426Logan County, ILIL27,18215−25%
1427Caldwell County, KYKY12,60915+15%
1428Surry County, NCNC72,28715−40%
1429Utah County, UTUT759,85915−22%
1430Bucks County, PAPA647,82815−18%
1431Pulaski County, VAVA33,58615−5%
1432Roger Mills County, OKOK3,25915+98%
1433Schoolcraft County, MIMI8,18715+98%
1434Alger County, MIMI8,64116−15%
1435Adams County, WIWI21,75216+205%
1436Lancaster County, NENE334,04916−28%
1437Norfolk County, MAMA739,74916−37%
1438Jefferson County, OHOH63,59716−1%
1439Bay County, MIMI102,12316+14%
1440Jack County, TXTX9,56316−49%
1441Rensselaer County, NYNY160,51016−21%
1442Alexander County, NCNC36,95816−19%
1443Stokes County, NCNC46,12616−2%
1444Washington County, NYNY59,35316+27%
1445Nelson County, KYKY49,03616−6%
1446Pike County, MOMO17,95516−37%
1447Coos County, OROR63,99216+36%
1448Day County, SDSD5,48416+911%
1449Cowlitz County, WAWA114,88516+2%
1450Millard County, UTUT14,05716−13%
1451Centre County, PAPA157,39316−18%
1452Chautauqua County, NYNY124,12616+0%
1453McNairy County, TNTN26,23616−7%
1454Spokane County, WAWA558,34416+4%
1455Madison County, IDID55,17216+41%
1456Summers County, WVWV11,53216+133%
1457Pasco County, FLFL674,51616−21%
1458Bristol County, MAMA593,64016−3%
1459Franklin County, TNTN45,57916−9%
1460Monroe County, ININ143,34516−18%
1461Butte County, SDSD10,85616+105%
1462Clark County, KYKY37,88816+11%
1463Sumner County, KSKS22,31216+46%
1464Clark County, ININ130,45116−24%
1465Allegan County, MIMI123,18816−9%
1466Hood County, TXTX70,50116−11%
1467Seneca County, OHOH54,52216+23%
1468Livingston Parish, LALA155,03616+24%
1469Jefferson County, ILIL36,14716−26%
1470Walker County, ALAL65,14016−4%
1471Miami County, ININ34,48716+44%
1472Massac County, ILIL13,50216+5%
1473Saline County, MOMO23,26516−31%
1474Audrain County, MOMO24,52816−14%
1475Bristol, VAVA16,41817+1%
1476Grand Forks County, NDND74,50117+52%
1477Kittitas County, WAWA48,80317−12%
1478Donley County, TXTX3,21317−32%
1479Bath County, VAVA4,07617+0%
1480Greene County, VAVA21,95817−14%
1481Woodford County, KYKY27,88317−19%
1482Nevada County, CACA101,91117+3%
1483Lane County, OROR381,58417−7%
1484Luce County, MIMI6,33917−28%
1485Stanley County, SDSD3,01817+601%
1486Converse County, WYWY13,82417+18%
1487Mercer County, WVWV57,50317+5%
1488Platte County, MOMO114,40017−12%
1489McLean County, ILIL171,41917−33%
1490Charlotte County, FLFL217,21217−15%
1491Powell County, MTMT7,15717+128%
1492Wahkiakum County, WAWA4,87317+105%
1493Cherokee County, ALAL26,41317+9%
1494McDonough County, ILIL25,91617+2%
1495Cache County, UTUT145,00017−17%
1496Haralson County, GAGA33,06617+14%
1497Lyon County, KYKY9,12317−4%
1498Lewis County, IDID3,70417+151%
1499Yellowstone County, MTMT172,69217+47%
1500Itawamba County, MSMS24,15217−3%
SHOWING 1,001–1,500 OF 3,122
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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES