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

3001▼5Seminole County, FLFL491,884+21,028−73%

3002▲18Montgomery County, PAPA877,643+21,090−71%

3003▼15St. Charles County, MOMO426,499+21,237−70%

3004▼1Bergen County, NJNJ977,026+21,294−64%

3005▼105Clay County, FLFL239,593+21,348−39%

3006▲19Galveston County, TXTX372,207+21,525−34%

3007▼136Bastrop County, TXTX118,908+21,692+11%

3008▲33Douglas County, NENE606,460+21,934−53%

3009▼118Paulding County, GAGA190,996+22,335−44%

3010▲11Durham County, NCNC347,240+22,407−46%

3011▼59Chester County, PAPA557,116+22,703−60%

3012▲25Washoe County, NVNV509,386+22,894−73%

3013▼56Santa Rosa County, FLFL211,115+23,115−36%

3014▼222Jackson County, GAGA99,265+23,358+102%

3015▼243Hunt County, TXTX123,336+23,380+91%

3016▼144Hall County, GAGA226,568+23,432−47%

3017▼86Lexington County, SCSC317,588+23,597−51%

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

3019▲10Polk County, IAIA516,546+24,145−49%

3020▼62Henry County, GAGA264,922+24,210−60%

3021▲14Williamson County, TNTN272,061+24,335−47%

3022▼106Hamilton County, TNTN390,833+24,626+10%

3023▼7York County, SCSC306,887+24,797−25%

3024▼187Flagler County, FLFL140,360+24,982+18%

3025▲63Denver County, COCO740,613+25,091−71%

3026▼127Iredell County, NCNC211,798+25,105−16%

3027▲65Pierce County, WAWA946,288+25,158−78%

3028▼46Washington County, ARAR271,213+25,342−43%

3029▲29Oklahoma County, OKOK822,125+25,833−58%

3030▲4Worcester County, MAMA888,502+26,391−36%

3031▼67Union County, NJNJ601,863+26,518−8%

3032▲52El Paso County, COCO757,040+26,645−78%

3033▲30Fresno County, CACA1,035,456+26,802−80%

3034▲4Johnson County, KSKS636,906+27,043−72%

3035▼175Hernando County, FLFL221,701+27,186−8%

3036▲26Cobb County, GAGA793,345+27,196−83%

3037▼90Wilson County, TNTN175,033+27,296+29%

3038▼70Delaware County, OHOH242,032+27,908−35%

3039▼17Charleston County, SCSC436,200+27,965+87%

3040▼84Sumter County, FLFL157,772+28,020+29%

3041▼67Guadalupe County, TXTX201,111+28,405+18%

3042▲44Loudoun County, VAVA449,749+28,790−66%

3043▲17Clark County, WAWA532,119+28,808−73%

3044▲7Dane County, WIWI590,375+28,871−51%

3045▼433Bay County, FLFL204,479+29,263+38%

3046▼87Union County, NCNC267,674+29,407−25%

3047▼8Tulsa County, OKOK698,782+29,503−51%

3048▼250Liberty County, TXTX121,364+29,736+71%

3049▼55Montgomery County, TNTN249,935+29,866−13%

3050▲26Davidson County, TNTN745,904+30,020−49%

3051▼156Charlotte County, FLFL217,212+30,365−1%

3052▼90Frederick County, MDMD302,883+31,166−31%

3053▼22Pima County, AZAZ1,074,685+31,252−82%

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

3055▼28Bell County, TXTX402,248+31,601−33%

3056▲42Fulton County, GAGA1,098,791+32,081−81%

3057▼65Knox County, TNTN511,453+32,482−30%

3058▼61Chesterfield County, VAVA397,148+32,600−36%

3059▲6Essex County, NJNJ896,379+32,651+112%

3060▼54Cherokee County, GAGA299,273+32,653−37%

3061▼96Canadian County, OKOK187,189+32,784+147%

3062▼148Rockwall County, TXTX140,738+32,919+88%

3063▼85Washington County, UTUT213,670+33,391−20%

3064▲41Sacramento County, CACA1,618,460+33,405−82%

3065▼4Adams County, COCO554,668+35,096−64%

3066▲36Salt Lake County, UTUT1,220,916+35,678−79%

3067▼67Baldwin County, ALAL267,761+35,994−15%

3068▼40Ocean County, NJNJ673,746+36,517−53%

3069▼140Parker County, TXTX184,767+36,545+54%

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

3071▲32Franklin County, OHOH1,361,536+37,729−65%

3072▲21Middlesex County, MAMA1,669,979+37,977−43%

3073▼163Brunswick County, NCNC174,702+38,009+72%

3074▼165Johnson County, TXTX218,048+38,121+29%

3075▼25Hamilton County, ININ387,036+39,569−46%

3076▼105Sussex County, DEDE277,140+39,762−8%

3077▼84Johnston County, NCNC256,448+40,449−1%

3078▼67Collier County, FLFL417,131+41,379−58%

3079▼30Douglas County, COCO399,396+41,418−64%

3080▲19San Bernardino County, CACA2,224,091+42,437−85%

3081▲6Snohomish County, WAWA870,656+42,699−70%

3082▼103Canyon County, IDID275,123+44,018+6%

3083▼4San Joaquin County, CACA823,815+44,582−46%

3084▼79Berkeley County, SCSC274,666+44,805+223%

3085▼21Rutherford County, TNTN386,352+44,866−29%

3086▼76Madison County, ALAL433,516+45,363+20%

3087▼75Sarasota County, FLFL479,958+45,952−5%

3088▼65Brazoria County, TXTX419,080+47,049−6%

3089▼81Comal County, TXTX209,166+47,665+82%

3090▲32Dallas County, TXTX2,661,397+47,858−87%

3091▼61Benton County, ARAR332,554+48,221−14%

3092▼109Ellis County, TXTX240,867+48,412+85%

3093▼37Weld County, COCO378,426+49,445+1%

3094▼14Hidalgo County, TXTX921,549+50,768−73%

3095▼13Ada County, IDID546,141+51,174−46%

3096▼111Spartanburg County, SCSC380,857+52,860+96%

3097▼73Volusia County, FLFL606,573+53,030−27%

3098▼66Brevard County, FLFL663,982+57,370−26%

3099▼46Greenville County, SCSC583,125+57,591−3%

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

3101▼29Hays County, TXTX304,390+63,323+98%

3102▼125Kaufman County, TXTX209,235+63,925+235%

3103▼116Marion County, FLFL442,660+66,752+4%

3104▼9Duval County, FLFL1,062,963+67,396−36%

3105▼48Manatee County, FLFL468,200+68,490+31%

3106▲7Broward County, FLFL2,013,317+68,942−81%

3107▼34Lake County, FLFL456,068+72,112+23%

3108▼37St. Johns County, FLFL346,328+72,903+85%

3109▼105St. Lucie County, FLFL402,449+73,223+72%

3110▲19King County, WAWA2,344,939+75,264−67%

3111▼42Horry County, SCSC427,551+76,522+46%

3112▼6Palm Beach County, FLFL1,575,726+83,535−69%

3113▼23Osceola County, FLFL481,718+93,062+44%

3114▲11Orange County, FLFL1,528,002+98,094−55%

3115▲8Travis County, TXTX1,389,670+99,482−58%

3116▼1Miami-Dade County, FLFL2,802,029+100,262–

3117▼20Utah County, UTUT759,859+100,460−4%

3118▼37Pasco County, FLFL674,516+112,625+77%

3119▼120Pinal County, AZAZ539,380+114,116+80%

3120▼2Hillsborough County, FLFL1,574,115+114,353−31%

3121▼25Lee County, FLFL875,607+114,785+9%

3122▼10Mecklenburg County, NCNC1,233,383+117,901−36%

3123▼6Riverside County, CACA2,544,916+126,731−66%

3124▼8Wake County, NCNC1,257,235+127,825−37%

3125▲2Tarrant County, TXTX2,248,466+137,826−50%

3126▲2Clark County, NVNV2,407,226+141,765−78%

3127▼17Williamson County, TXTX752,827+143,810+30%

3128▼37Polk County, FLFL874,790+149,744+91%

3129▼3Bexar County, TXTX2,160,088+150,764−27%

3130▼10Fort Bend County, TXTX975,191+152,412+18%

3131▼27Montgomery County, TXTX781,194+160,751+44%

3132▼11Denton County, TXTX1,069,346+162,924+2%

3133▼9Collin County, TXTX1,297,179+232,714+2%

3134▼4Maricopa County, AZAZ4,689,558+268,990−72%

3135▼4Harris 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 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES