RANKING · 1990 CENSUS · 122 SHOWN OF 3,122

Most racially diverse, US counties · 1990

US counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (2023 ACS).

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SAME RANKING BYCities States Metros ZIP codes

RELATEDOldest by median age Youngest by median age Most foreign-born residents Highest uninsured rate Most women Most men

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

3001Boone County, NENE5,3552−35%

3002Hamilton County, ILIL7,8592−56%

3003Guthrie County, IAIA10,7822−53%

3004Switzerland County, ININ10,0372−47%

3005Tucker County, WVWV6,5402+94%

3006Adams County, IAIA3,6172−24%

3007Daniels County, MTMT1,6122−67%

3008Jackson County, IAIA19,2882−22%

3009Jewell County, KSKS2,8302−23%

3010Palo Alto County, IAIA8,8992−47%

3011Wayne County, WVWV37,3092−24%

3012Sheridan County, NDND1,2962+28%

3013Vinton County, OHOH12,6451−34%

3014Adams County, OHOH27,8651−37%

3015Harlan County, NENE3,0001−39%

3016Taylor County, WIWI20,1181−38%

3017Carroll County, ININ20,6551−81%

3018Grant County, MNMN6,0851−35%

3019Trego County, KSKS2,7401−59%

3020Lafayette County, WIWI17,4781−34%

3021Loup County, NENE5701−68%

3022Pike County, ININ12,0031−28%

3023Calhoun County, ILIL4,3001−28%

3024Lee County, KYKY7,2971−86%

3025Lyon County, IAIA12,3541+1%

3026Iron County, WIWI6,1271−31%

3027Wetzel County, WVWV13,7341−32%

3028Howard County, IAIA9,4151−33%

3029Cass County, ILIL12,4631−93%

3030McPherson County, NENE3691−71%

3031Wells County, NDND3,7291−18%

3032Valley County, NENE4,0941−69%

3033Van Buren County, TNTN6,8741+1%

3034Deuel County, SDSD4,4081−48%

3035Boyd County, NENE1,6741+112%

3036Bowman County, NDND2,7621−29%

3037Iowa County, IAIA16,5041−63%

3038Hettinger County, NDND2,4921+17%

3039Plymouth County, IAIA25,6971−72%

3040Leslie County, KYKY9,6271−36%

3041Nuckolls County, NENE4,1001−56%

3042Clark County, MOMO6,4751−39%

3043Cuming County, NENE8,8231−91%

3044Clay County, WVWV7,5381+1%

3045Pickett County, TNTN5,2191−48%

3046Carroll County, IAIA20,3031−52%

3047Piatt County, ILIL16,7911−50%

3048Humboldt County, IAIA9,4091−61%

3049Sanborn County, SDSD2,3881−65%

3050Pleasants County, WVWV7,3381−54%

3051Jefferson County, PAPA43,2551−33%

3052Keya Paha County, NENE7921−87%

3053Wayne County, IAIA6,7381−48%

3054Douglas County, SDSD2,8881−14%

3055Carter County, KYKY26,1491−42%

3056Tyler County, WVWV7,8811−12%

3057Jackson County, KYKY13,3251−22%

3058Polk County, NENE5,2701−61%

3059Scotland County, MOMO4,7961−60%

3060Billings County, NDND1,0711+32%

3061Martin County, KYKY10,6971−38%

3062LaMoure County, NDND4,1351−35%

3063Martin County, ININ9,8561−37%

3064Pope County, MNMN11,4201−45%

3065Daviess County, ININ34,2091−84%

3066Knox County, MOMO3,7281−46%

3067Audubon County, IAIA5,5091−48%

3068Wheeler County, NENE7891−25%

3069Turner County, SDSD9,3141−40%

3070Calhoun County, WVWV5,9781−44%

3071Breathitt County, KYKY12,5581−69%

3072Butler County, IAIA14,0491−53%

3073Fannin County, GAGA26,1111−60%

3074Greeley County, NENE2,1541−75%

3075Iowa County, WIWI23,9511−52%

3076Sargent County, NDND3,7111−52%

3077Cumberland County, ILIL10,2081−54%

3078Emmons County, NDND3,2151−71%

3079Allamakee County, IAIA14,2381−90%

3080Kingsbury County, SDSD5,2841−63%

3081Holmes County, OHOH44,9701−65%

3082Cedar County, NENE8,3731−33%

3083Murray County, MNMN7,9421−78%

3084Roane County, WVWV13,3171−67%

3085Noble County, OHOH14,2761−95%

3086Estill County, KYKY13,9621−45%

3087Van Buren County, IAIA7,1311−67%

3088Scott County, ILIL4,8661+3%

3089Logan County, NDND1,8591−63%

3090Schuyler County, ILIL6,6571−60%

3091Steele County, NDND1,7971+22%

3092Republic County, KSKS4,6401−75%

3093Shelby County, ILIL20,5761−62%

3094Gosper County, NENE1,8031−79%

3095Chickasaw County, IAIA11,6631−67%

3096Hanson County, SDSD3,4561+34%

3097Fentress County, TNTN20,3221−61%

3098Robertson County, KYKY2,3251−71%

3099Garfield County, NENE1,7101−73%

3100Edmunds County, SDSD4,0221−56%

3101Sullivan County, MOMO5,7381−97%

3102Highland County, VAVA2,3181−61%

3103Montgomery County, IAIA10,0021−84%

3104Owsley County, KYKY3,9321−70%

3105Jerauld County, SDSD1,6541−44%

3106Webster County, WVWV7,7601−46%

3107Ritchie County, WVWV8,0341−70%

3108Grant County, KYKY26,1811−86%

3109Divide County, NDND2,1101−82%

3110Rock County, NENE1,2590−68%

3111Magoffin County, KYKY11,1100−71%

3112Faulk County, SDSD2,1780−47%

3113Clinton County, KYKY9,1390−88%

3114Hayes County, NENE8210−94%

3115Blaine County, NENE4580−14%

3116Wolfe County, KYKY6,2980−82%

3117McPherson County, SDSD2,3470−64%

3118Mercer County, MOMO3,4040−78%

3119Sequatchie County, TNTN17,8610−94%

3120Pierce County, NDND3,8380−94%

3121Worth County, MOMO1,9140−93%

3122Slope County, NDND6280−100%

SHOWING 3,001–3,122 OF 3,122

Download CSV (full list, 3,122 rows)How this score is calculated

UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES