RANKING · 2020 CENSUS · 135 SHOWN OF 3,135

Least racially diverse, US counties · 2020

US counties with the lowest CensusEasy Diversity Score, where most residents share the same 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

3001Pulaski County, ARAR404,61177+27%

3002St. Lucie County, FLFL402,44977+53%

3003Tulsa County, OKOK698,78277+78%

3004Prince George County, VAVA43,93677+18%

3005Richmond County, NYNY501,29077+39%

3006Telfair County, GAGA11,19577+24%

3007Fresno County, CACA1,035,45677+0%

3008Navarro County, TXTX57,18177+23%

3009Williamsburg, VAVA15,86177+77%

3010Wharton County, TXTX42,06077+4%

3011Matagorda County, TXTX36,46377+3%

3012Henry County, GAGA264,92277+94%

3013Otero County, NMNM70,36877+20%

3014Baltimore County, MDMD847,65078+55%

3015Wayne County, NCNC122,27878+20%

3016Davidson County, TNTN745,90478+28%

3017Walker County, TXTX83,84278+13%

3018Nassau County, NYNY1,398,93978+51%

3019Douglas County, GAGA154,29378+69%

3020Chatham County, GAGA311,85578+18%

3021Scott County, MSMS28,07378+15%

3022Anchorage, AKAK287,15578+85%

3023Brazos County, TXTX249,08878+24%

3024San Bernardino County, CACA2,224,09178+1%

3025Wilson County, NCNC81,15078+14%

3026Falls County, TXTX17,86978+8%

3027Yuba County, CACA88,69178+35%

3028New Castle County, DEDE588,02678+42%

3029Stafford County, VAVA170,80378+106%

3030Muscogee County, GAGA202,17179+13%

3031Riverside County, CACA2,544,91679+9%

3032Geary County, KSKS36,33879+22%

3033Palm Beach County, FLFL1,575,72679+41%

3034Fairfax, VAVA26,77279+28%

3035Coryell County, TXTX85,59279+17%

3036Charles County, MDMD176,59379+40%

3037Bergen County, NJNJ977,02679+45%

3038Duplin County, NCNC51,57179+9%

3039Dakota County, NENE21,68779+54%

3040Camden County, NJNJ535,79979+31%

3041King County, WAWA2,344,93979+66%

3042Lake County, ININ504,61280+17%

3043Denton County, TXTX1,069,34680+69%

3044Atlantic County, NJNJ278,65780+21%

3045Sampson County, NCNC61,50480+15%

3046Madison County, TXTX14,22680+16%

3047Greene County, NCNC20,70080+13%

3048Sandoval County, NMNM159,56580+29%

3049Marion County, ININ992,19680+44%

3050Henrico County, VAVA342,77580+40%

3051Jasper County, SCSC38,53380+17%

3052Guilford County, NCNC562,23480+29%

3053Richmond, VAVA237,25781+24%

3054Fredericksburg, VAVA30,39381+52%

3055Comanche County, OKOK122,15881+33%

3056Travis County, TXTX1,389,67081+12%

3057DeKalb County, GAGA774,39481+11%

3058Passaic County, NJNJ531,62481+6%

3059Duval County, FLFL1,062,96381+30%

3060Scotland County, NCNC33,32281+28%

3061San Juan County, NMNM120,34081+70%

3062Potter County, TXTX114,45381+16%

3063Westchester County, NYNY1,015,74381+25%

3064Oklahoma County, OKOK822,12582+45%

3065Loudoun County, VAVA449,74982+102%

3066Cibola County, NMNM26,80782+28%

3067Somerset County, NJNJ356,48682+59%

3068Norfolk, VAVA231,01382+17%

3069Fulton County, GAGA1,098,79182+13%

3070Newport News, VAVA183,23082+19%

3071Cobb County, GAGA793,34583+42%

3072Collin County, TXTX1,297,17983+75%

3073Cumberland County, NJNJ157,14883+17%

3074Stewart County, GAGA4,63183+36%

3075District of Columbia, DCDC693,64583+22%

3076Jefferson Parish, LALA431,39883+33%

3077Kodiak Island, AKAK12,38783+50%

3078Milwaukee County, WIWI924,21683+26%

3079Waller County, TXTX69,85883+7%

3080Alexandria, VAVA160,66283+10%

3081Hillsborough County, FLFL1,574,11584+27%

3082Liberty County, GAGA70,31384+13%

3083San Diego County, CACA3,282,24884+15%

3084Los Angeles County, CACA9,694,93484+1%

3085Yolo County, CACA224,41084+23%

3086Cumberland County, NCNC338,47384+19%

3087Brazoria County, TXTX419,08085+36%

3088Manassas Park, VAVA16,56085+40%

3089Mecklenburg County, NCNC1,233,38385+28%

3090Manassas, VAVA44,33285+37%

3091Sutter County, CACA98,78785+28%

3092New York County, NYNY1,664,86285+2%

3093Durham County, NCNC347,24085+15%

3094Orange County, CACA3,149,50786+14%

3095Tarrant County, TXTX2,248,46686+27%

3096Fairfax County, VAVA1,167,87386+33%

3097Jefferson County, TXTX254,32186+16%

3098Howard County, MDMD339,18386+65%

3099Harris County, TXTX5,045,02687+4%

3100Bell County, TXTX402,24887+21%

3101Honolulu County, HIHI988,70387+27%

3102Santa Clara County, CACA1,914,39187+6%

3103Suffolk County, MAMA791,89187+12%

3104Philadelphia County, PAPA1,574,28188+14%

3105San Francisco County, CACA826,07988+6%

3106Orange County, FLFL1,528,00288+21%

3107Robeson County, NCNC119,94188+23%

3108Dallas County, TXTX2,661,39788+6%

3109Union County, NJNJ601,86388+16%

3110Mercer County, NJNJ399,28988+35%

3111Wyandotte County, KSKS170,59788+16%

3112Cook County, ILIL5,194,62588+8%

3113San Joaquin County, CACA823,81588+12%

3114Broward County, FLFL2,013,31788+24%

3115San Mateo County, CACA743,56889+13%

3116Hudson County, NJNJ735,03389+6%

3117Essex County, NJNJ896,37989+9%

3118Hoke County, NCNC56,93989+23%

3119Clark County, NVNV2,407,22689+31%

3120Hawaii County, HIHI210,04389+16%

3121Middlesex County, NJNJ883,33590+30%

3122Sacramento County, CACA1,618,46090+26%

3123Maui County, HIHI160,59290+21%

3124Kauai County, HIHI73,40091+22%

3125Contra Costa County, CACA1,170,07091+26%

3126Prince William County, VAVA502,96691+45%

3127Montgomery County, MDMD1,074,58291+27%

3128Aleutians East, AKAK3,47991+11%

3129Kings County, NYNY2,653,96392+6%

3130Gwinnett County, GAGA1,018,09993+49%

3131Alameda County, CACA1,636,63093+6%

3132Solano County, CACA455,37694+16%

3133Aleutians West Census Area, AKAK5,24094+20%

3134Fort Bend County, TXTX975,19195+12%

3135Queens County, NYNY2,358,18295+4%

SHOWING 3,001–3,135 OF 3,135

Download CSV (full list, 3,135 rows)How this score is calculated

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