CensusEasy
RANKING · 2020 CENSUS · 131 SHOWN OF 3,131

Most population lost, US counties · 2020

US counties that lost the most residents from the 2010 census to 2020, by raw count of people rather than percentage.

Flip the list · Most population gained, US counties →
All statesAll rankings
SAME RANKING BYCitiesStatesMetros
Filter by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPPOPULATION CHANGEVS 2000
3001Baltimore County, MDMD847,650+49,506−20%
3002Anne Arundel County, MDMD603,380+50,605−19%
3003Bergen County, NJNJ977,026+50,616−14%
3004St. Lucie County, FLFL402,449+51,437+21%
3005Berkeley County, SCSC274,666+52,018+275%
3006Cherokee County, GAGA299,273+52,274+1%
3007Guilford County, NCNC562,234+52,893−28%
3008Comal County, TXTX209,166+53,029+102%
3009Middlesex County, NJNJ883,335+53,304−32%
3010Madison County, ALAL433,516+53,342+41%
3011Collier County, FLFL417,131+54,232−45%
3012Sarasota County, FLFL479,958+54,558+13%
3013Norfolk County, MAMA739,749+55,131+61%
3014Westchester County, NYNY1,015,743+55,344+14%
3015Kent County, MIMI675,232+55,352−25%
3016York County, SCSC306,887+56,017+69%
3017Davis County, UTUT381,227+56,200+10%
3018Nassau County, NYNY1,398,939+56,242+19%
3019Placer County, CACA442,081+56,307−26%
3020Montgomery County, PAPA877,643+56,679−21%
3021Durham County, NCNC347,240+57,246+38%
3022Charleston County, SCSC436,200+58,026+289%
3023Brazoria County, TXTX419,080+58,865+18%
3024Volusia County, FLFL606,573+58,950−19%
3025Galveston County, TXTX372,207+59,373+81%
3026Larimer County, COCO377,292+59,436−9%
3027Bell County, TXTX402,248+60,412+29%
3028Ocean County, NJNJ673,746+60,662−22%
3029Polk County, IAIA516,546+61,761+30%
3030Benton County, ARAR332,554+62,994+13%
3031Pima County, AZAZ1,074,685+63,170−64%
3032Brevard County, FLFL663,982+63,236−18%
3033Honolulu County, HIHI988,703+63,301+59%
3034Worcester County, MAMA888,502+63,559+54%
3035Williamson County, TNTN272,061+64,544+41%
3036El Paso County, TXTX877,858+65,010−26%
3037Washoe County, NVNV509,386+65,085−23%
3038Johnson County, KSKS636,906+65,684−32%
3039Tulsa County, OKOK698,782+65,876+10%
3040Essex County, MAMA826,653+66,670+25%
3041Douglas County, NENE606,460+67,416+43%
3042Spokane County, WAWA558,344+68,118+20%
3043Fairfax County, VAVA1,167,873+68,583−55%
3044San Francisco County, CACA826,079+68,730+30%
3045Kern County, CACA927,068+69,604−41%
3046Washington County, OROR611,708+70,662−47%
3047Oakland County, MIMI1,288,337+72,033−35%
3048DeKalb County, GAGA774,394+72,489−40%
3049Douglas County, COCO399,396+72,513−37%
3050Hamilton County, ININ387,036+72,898−1%
3051Dane County, WIWI590,375+73,431+24%
3052Marion County, ININ992,196+73,810+17%
3053Greenville County, SCSC583,125+74,309+25%
3054Forsyth County, GAGA282,805+75,772+39%
3055Suffolk County, MAMA791,891+75,913+193%
3056Weld County, COCO378,426+76,156+55%
3057Manatee County, FLFL468,200+76,877+47%
3058Oklahoma County, OKOK822,125+77,659+28%
3059Philadelphia County, PAPA1,574,281+77,791−214%
3060Clark County, WAWA532,119+77,948−27%
3061Adams County, COCO554,668+77,969−21%
3062Cobb County, GAGA793,345+78,071−51%
3063Fresno County, CACA1,035,456+78,204−41%
3064Rutherford County, TNTN386,352+78,882+24%
3065Essex County, NJNJ896,379+79,759+417%
3066Multnomah County, OROR795,391+80,094+5%
3067Prince William County, VAVA502,966+80,202+23%
3068Cook County, ILIL5,194,625+80,866−70%
3069Horry County, SCSC427,551+81,738+55%
3070Arapahoe County, COCO673,820+83,067−14%
3071St. Johns County, FLFL346,328+83,386+112%
3072Hays County, TXTX304,390+83,960+163%
3073Lake County, FLFL456,068+86,904+49%
3074Bronx County, NYNY1,406,332+87,546−32%
3075District of Columbia, DCDC693,645+87,822−352%
3076Davidson County, TNTN745,904+89,203+51%
3077Montgomery County, MDMD1,074,582+90,284−22%
3078Hudson County, NJNJ735,033+90,588+62%
3079San Joaquin County, CACA823,815+93,927+13%
3080Hidalgo County, TXTX921,549+96,012−48%
3081Pasco County, FLFL674,516+97,194+53%
3082Ada County, IDID546,141+102,602+8%
3083Prince George's County, MDMD970,374+103,781+44%
3084El Paso County, COCO757,040+108,132−10%
3085New York County, NYNY1,664,862+108,378+118%
3086Loudoun County, VAVA449,749+108,648+30%
3087Snohomish County, WAWA870,656+114,622−18%
3088Denver County, COCO740,613+115,364+33%
3089Contra Costa County, CACA1,170,070+116,902−19%
3090Osceola County, FLFL481,718+119,971+85%
3091Polk County, FLFL874,790+122,951+57%
3092Pierce County, WAWA946,288+125,905+10%
3093Middlesex County, MAMA1,669,979+128,917+93%
3094Hennepin County, MNMN1,284,784+129,140+54%
3095Duval County, FLFL1,062,963+131,304+24%
3096Lee County, FLFL875,607+142,068+34%
3097Utah County, UTUT759,859+142,835+36%
3098Fulton County, GAGA1,098,791+146,129−13%
3099San Bernardino County, CACA2,224,091+146,444−50%
3100Gwinnett County, GAGA1,018,099+151,741−36%
3101Santa Clara County, CACA1,914,391+154,617−16%
3102Salt Lake County, UTUT1,220,916+155,583−10%
3103Franklin County, OHOH1,361,536+160,393+49%
3104Montgomery County, TXTX781,194+164,697+48%
3105Sacramento County, CACA1,618,460+166,267−9%
3106Palm Beach County, FLFL1,575,726+172,057−36%
3107Alameda County, CACA1,636,630+172,082+5%
3108Queens County, NYNY2,358,182+174,742−37%
3109Orange County, CACA3,149,507+176,757−59%
3110Williamson County, TXTX752,827+186,338+69%
3111Los Angeles County, CACA9,694,934+195,404−70%
3112Mecklenburg County, NCNC1,233,383+195,854+6%
3113Broward County, FLFL2,013,317+196,309−47%
3114San Diego County, CACA3,282,248+203,321−36%
3115Miami-Dade County, FLFL2,802,029+205,332–
3116Wake County, NCNC1,257,235+228,417+12%
3117Riverside County, CACA2,544,916+228,544−39%
3118Hillsborough County, FLFL1,574,115+230,536+40%
3119Kings County, NYNY2,653,963+231,374+41%
3120Fort Bend County, TXTX975,191+237,404+84%
3121Denton County, TXTX1,069,346+243,808+53%
3122Dallas County, TXTX2,661,397+245,400−33%
3123Travis County, TXTX1,389,670+265,922+13%
3124Collin County, TXTX1,297,179+282,124+24%
3125Orange County, FLFL1,528,002+283,952+30%
3126Bexar County, TXTX2,160,088+294,551+42%
3127Tarrant County, TXTX2,248,466+301,606+9%
3128Clark County, NVNV2,407,226+314,192−50%
3129King County, WAWA2,344,939+338,426+47%
3130Maricopa County, AZAZ4,689,558+603,451−36%
3131Harris County, TXTX5,045,026+638,686+10%
SHOWING 3,001–3,131 OF 3,131

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