Which county has the lowest population change?

Los Angeles County, California ranks #1 with -319,075 (2025 Census Population Estimates).

What are the top 5 counties by population change?

Los Angeles County, California, Kings County, New York, Cook County, Illinois, Bronx County, New York, San Francisco County, California.

How many counties are in this ranking?

3,135 counties qualify after filtering for population minimums and data availability. The ranking covers 2025 Census population estimates.

How is population change measured?

Change in the number of residents from the prior decennial census (raw count, not a percentage). Source: US Census Bureau, Population Estimates Program (2025).

RANKING · 2025 ESTIMATES · 135 SHOWN OF 3,135

Most population lost, US counties

US counties that lost the most residents from the 2020 census to 2025, by raw count of people rather than percentage.

Flip the list · Most population gained, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

3001Seminole County, FLFL491,884+21,028−73%

3002Montgomery County, PAPA877,643+21,090−71%

3003St. Charles County, MOMO426,499+21,237−70%

3004Bergen County, NJNJ977,026+21,294−64%

3005Clay County, FLFL239,593+21,348−39%

3006Galveston County, TXTX372,207+21,525−34%

3007Bastrop County, TXTX118,908+21,692+11%

3008Douglas County, NENE606,460+21,934−53%

3009Paulding County, GAGA190,996+22,335−44%

3010Durham County, NCNC347,240+22,407−46%

3011Chester County, PAPA557,116+22,703−60%

3012Washoe County, NVNV509,386+22,894−73%

3013Santa Rosa County, FLFL211,115+23,115−36%

3014Jackson County, GAGA99,265+23,358+102%

3015Hunt County, TXTX123,336+23,380+91%

3016Hall County, GAGA226,568+23,432−47%

3017Lexington County, SCSC317,588+23,597−51%

3018Cabarrus County, NCNC249,725+23,921−26%

3019Polk County, IAIA516,546+24,145−49%

3020Henry County, GAGA264,922+24,210−60%

3021Williamson County, TNTN272,061+24,335−47%

3022Hamilton County, TNTN390,833+24,626+10%

3023York County, SCSC306,887+24,797−25%

3024Flagler County, FLFL140,360+24,982+18%

3025Denver County, COCO740,613+25,091−71%

3026Iredell County, NCNC211,798+25,105−16%

3027Pierce County, WAWA946,288+25,158−78%

3028Washington County, ARAR271,213+25,342−43%

3029Oklahoma County, OKOK822,125+25,833−58%

3030Worcester County, MAMA888,502+26,391−36%

3031Union County, NJNJ601,863+26,518−8%

3032El Paso County, COCO757,040+26,645−78%

3033Fresno County, CACA1,035,456+26,802−80%

3034Johnson County, KSKS636,906+27,043−72%

3035Hernando County, FLFL221,701+27,186−8%

3036Cobb County, GAGA793,345+27,196−83%

3037Wilson County, TNTN175,033+27,296+29%

3038Delaware County, OHOH242,032+27,908−35%

3039Charleston County, SCSC436,200+27,965+87%

3040Sumter County, FLFL157,772+28,020+29%

3041Guadalupe County, TXTX201,111+28,405+18%

3042Loudoun County, VAVA449,749+28,790−66%

3043Clark County, WAWA532,119+28,808−73%

3044Dane County, WIWI590,375+28,871−51%

3045Bay County, FLFL204,479+29,263+38%

3046Union County, NCNC267,674+29,407−25%

3047Tulsa County, OKOK698,782+29,503−51%

3048Liberty County, TXTX121,364+29,736+71%

3049Montgomery County, TNTN249,935+29,866−13%

3050Davidson County, TNTN745,904+30,020−49%

3051Charlotte County, FLFL217,212+30,365−1%

3052Frederick County, MDMD302,883+31,166−31%

3053Pima County, AZAZ1,074,685+31,252−82%

3054Forsyth County, GAGA282,805+31,522−42%

3055Bell County, TXTX402,248+31,601−33%

3056Fulton County, GAGA1,098,791+32,081−81%

3057Knox County, TNTN511,453+32,482−30%

3058Chesterfield County, VAVA397,148+32,600−36%

3059Essex County, NJNJ896,379+32,651+112%

3060Cherokee County, GAGA299,273+32,653−37%

3061Canadian County, OKOK187,189+32,784+147%

3062Rockwall County, TXTX140,738+32,919+88%

3063Washington County, UTUT213,670+33,391−20%

3064Sacramento County, CACA1,618,460+33,405−82%

3065Adams County, COCO554,668+35,096−64%

3066Salt Lake County, UTUT1,220,916+35,678−79%

3067Baldwin County, ALAL267,761+35,994−15%

3068Ocean County, NJNJ673,746+36,517−53%

3069Parker County, TXTX184,767+36,545+54%

3070Placer County, CACA442,081+37,342−51%

3071Franklin County, OHOH1,361,536+37,729−65%

3072Middlesex County, MAMA1,669,979+37,977−43%

3073Brunswick County, NCNC174,702+38,009+72%

3074Johnson County, TXTX218,048+38,121+29%

3075Hamilton County, ININ387,036+39,569−46%

3076Sussex County, DEDE277,140+39,762−8%

3077Johnston County, NCNC256,448+40,449−1%

3078Collier County, FLFL417,131+41,379−58%

3079Douglas County, COCO399,396+41,418−64%

3080San Bernardino County, CACA2,224,091+42,437−85%

3081Snohomish County, WAWA870,656+42,699−70%

3082Canyon County, IDID275,123+44,018+6%

3083San Joaquin County, CACA823,815+44,582−46%

3084Berkeley County, SCSC274,666+44,805+223%

3085Rutherford County, TNTN386,352+44,866−29%

3086Madison County, ALAL433,516+45,363+20%

3087Sarasota County, FLFL479,958+45,952−5%

3088Brazoria County, TXTX419,080+47,049−6%

3089Comal County, TXTX209,166+47,665+82%

3090Dallas County, TXTX2,661,397+47,858−87%

3091Benton County, ARAR332,554+48,221−14%

3092Ellis County, TXTX240,867+48,412+85%

3093Weld County, COCO378,426+49,445+1%

3094Hidalgo County, TXTX921,549+50,768−73%

3095Ada County, IDID546,141+51,174−46%

3096Spartanburg County, SCSC380,857+52,860+96%

3097Volusia County, FLFL606,573+53,030−27%

3098Brevard County, FLFL663,982+57,370−26%

3099Greenville County, SCSC583,125+57,591−3%

3100Gwinnett County, GAGA1,018,099+61,037−74%

3101Hays County, TXTX304,390+63,323+98%

3102Kaufman County, TXTX209,235+63,925+235%

3103Marion County, FLFL442,660+66,752+4%

3104Duval County, FLFL1,062,963+67,396−36%

3105Manatee County, FLFL468,200+68,490+31%

3106Broward County, FLFL2,013,317+68,942−81%

3107Lake County, FLFL456,068+72,112+23%

3108St. Johns County, FLFL346,328+72,903+85%

3109St. Lucie County, FLFL402,449+73,223+72%

3110King County, WAWA2,344,939+75,264−67%

3111Horry County, SCSC427,551+76,522+46%

3112Palm Beach County, FLFL1,575,726+83,535−69%

3113Osceola County, FLFL481,718+93,062+44%

3114Orange County, FLFL1,528,002+98,094−55%

3115Travis County, TXTX1,389,670+99,482−58%

3116Miami-Dade County, FLFL2,802,029+100,262–

3117Utah County, UTUT759,859+100,460−4%

3118Pasco County, FLFL674,516+112,625+77%

3119Pinal County, AZAZ539,380+114,116+80%

3120Hillsborough County, FLFL1,574,115+114,353−31%

3121Lee County, FLFL875,607+114,785+9%

3122Mecklenburg County, NCNC1,233,383+117,901−36%

3123Riverside County, CACA2,544,916+126,731−66%

3124Wake County, NCNC1,257,235+127,825−37%

3125Tarrant County, TXTX2,248,466+137,826−50%

3126Clark County, NVNV2,407,226+141,765−78%

3127Williamson County, TXTX752,827+143,810+30%

3128Polk County, FLFL874,790+149,744+91%

3129Bexar County, TXTX2,160,088+150,764−27%

3130Fort Bend County, TXTX975,191+152,412+18%

3131Montgomery County, TXTX781,194+160,751+44%

3132Denton County, TXTX1,069,346+162,924+2%

3133Collin County, TXTX1,297,179+232,714+2%

3134Maricopa County, AZAZ4,689,558+268,990−72%

3135Harris County, TXTX5,045,026+313,881−46%

SHOWING 3,001–3,135 OF 3,135

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Download CSV (full list, 3,135 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES