Which county has the lowest population density?

Yukon-Koyukuk Census Area, Alaska ranks #1 with 0 (2025 Census Population Estimates).

What are the top 5 counties by population density?

Yukon-Koyukuk Census Area, Alaska, Lake and Peninsula, Alaska, Loving County, Texas, Yakutat, Alaska, Copper River Census Area, Alaska.

How many counties are in this ranking?

3,144 counties qualify after filtering for population minimums and data availability. The ranking covers 2025 Census population estimates.

How is population density measured?

Residents per square mile of land area. Source: US Census Bureau, Population Estimates Program (2025).

RANKING · 2025 ESTIMATES · 144 SHOWN OF 3,144

Most sparsely populated, US counties

US counties with the fewest residents per square mile (2025).

Flip the list · Most densely populated, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

3001Naugatuck Valley Planning Region, CTCT463,3491,122–

3002▼3Wyandotte County, KSKS170,5971,125+8%

3003▼25Fort Bend County, TXTX975,1911,132+175%

3004▼6Morris County, NJNJ524,2511,137+11%

3005▲1Monroe County, NYNY750,5061,142+2%

3006▼4Oklahoma County, OKOK822,1251,160+24%

3007▼3Fayette County, KYKY329,7511,162+27%

3008▼1Montgomery County, OHOH539,5981,170−3%

3009▼9Davis County, UTUT381,2271,174+60%

3010▼5Somerset County, NJNJ356,4861,181+20%

3011Shelby County, TNTN910,2261,196+1%

3012Western Connecticut Planning Region, CTCT640,4821,204–

3013▼10Durham County, NCNC347,2401,208+55%

3014▼4Jackson County, MOMO732,9941,213+12%

3015▼25Denton County, TXTX1,069,3461,217+147%

3016▼8Tulsa County, OKOK698,7821,225+24%

3017▼3Lucas County, OHOH423,3471,246−7%

3018▼17Forsyth County, GAGA282,8051,259+187%

3019▼7Martinsville, VAVA13,8491,264−10%

3020▲1Bristol, VAVA16,4181,276−5%

3021▼12New Hanover County, NCNC245,9591,279+53%

3022▼3Summit County, OHOH538,3761,304−1%

3023▼8Johnson County, KSKS636,9061,345+41%

3024▼8Staunton, VAVA26,8011,345+12%

3025▼5Howard County, MDMD339,1831,352+37%

3026▼4New Castle County, DEDE588,0261,379+18%

3027▼3Monmouth County, NJNJ651,0351,390+6%

3028▼10Duval County, FLFL1,062,9631,394+36%

3029▼12Travis County, TXTX1,389,6701,398+71%

3030▼1Baltimore County, MDMD847,6501,417+12%

3031▲1Jefferson Parish, LALA431,3981,434−5%

3032▼7Anne Arundel County, MDMD603,3801,455+23%

3033▼3Henrico County, VAVA342,7751,467+31%

3034▼7Miami-Dade County, FLFL2,802,0291,475+24%

3035▼9Davidson County, TNTN745,9041,482+31%

3036Santa Clara County, CACA1,914,3911,483+14%

3037▼3Petersburg, VAVA33,7341,4850%

3038▼5Oakland County, MIMI1,288,3371,485+8%

3039▼8Prince William County, VAVA502,9661,500+79%

3040▼17Wake County, NCNC1,257,2351,506+100%

3041▼13Hillsborough County, FLFL1,574,1151,539+58%

3042▼29Collin County, TXTX1,297,1791,542+164%

3043South Central Connecticut Planning Region, CTCT578,7411,576–

3044▼7Seminole County, FLFL491,8841,590+35%

3045▼10Waynesboro, VAVA23,9511,600+23%

3046▼6Lake County, ILIL719,3391,622+12%

3047▼9Salt Lake County, UTUT1,220,9161,622+36%

3048▼3Contra Costa County, CACA1,170,0701,632+23%

3049▲1Honolulu County, HIHI988,7031,646+13%

3050▼8Providence County, RIRI678,1791,656+9%

3051San Mateo County, CACA743,5681,658+5%

3052▼11Lynchburg, VAVA81,3471,661+25%

3053▼10Broward County, FLFL2,013,3171,674+24%

3054▼8Sacramento County, CACA1,618,4601,677+32%

3055▼3Allegheny County, PAPA1,225,0351,678−4%

3056▼9Essex County, MAMA826,6531,678+14%

3057▼18Orange County, FLFL1,528,0021,692+70%

3058▼9Suffolk County, NYNY1,546,0901,697+9%

3059▼15Bexar County, TXTX2,160,0881,742+55%

3060▼6Williamsburg, VAVA15,8611,775+32%

3061▼6Salem, VAVA25,8161,779+4%

3062▼9Mercer County, NJNJ399,2891,779+14%

3063▼15Radford, VAVA17,2431,782+9%

3064▼8Montgomery County, PAPA877,6431,817+17%

3065▼4Multnomah County, OROR795,3911,845+20%

3066▼7Macomb County, MIMI886,2211,849+12%

3067▼7Virginia Beach, VAVA453,7371,854+7%

3068▼11Douglas County, NENE606,4601,858+31%

3069▼11Norfolk County, MAMA739,7491,868+14%

3070▼7St. Louis County, MOMO990,9111,951−2%

3071▼6Prince George's County, MDMD970,3742,011+21%

3072▼8Middlesex County, MAMA1,669,9792,042+14%

3073▼11Rockland County, NYNY357,3972,058+25%

3074▼7Hamilton County, OHOH838,4182,068−1%

3075▼5Bristol County, RIRI50,0012,072−1%

3076▼10Fulton County, GAGA1,098,7912,086+35%

3077▼9Jefferson County, KYKY795,2222,088+15%

3078▼9Clayton County, GAGA297,4712,098+26%

3079▼2Orleans Parish, LALA362,1542,137−25%

3080▼8Montgomery County, MDMD1,074,5822,179+23%

3081▼3Alameda County, CACA1,636,6302,219+13%

3082▼8Hopewell, VAVA23,2612,247+4%

3083▼4Hennepin County, MNMN1,284,7842,319+15%

3084▼3Roanoke, VAVA99,1112,331+4%

3085▼9Cobb County, GAGA793,3452,335+31%

3086▼15Mecklenburg County, NCNC1,233,3832,356+77%

3087▼7Westchester County, NYNY1,015,7432,358+10%

3088▼15Gwinnett County, GAGA1,018,0992,361+73%

3089▼4Los Angeles County, CACA9,694,9342,388+2%

3090▼15Broomfield County, COCO79,1742,402–

3091Greater Bridgeport Planning Region, CTCT337,6972,409–

3092▼10Camden County, NJNJ535,7992,420+5%

3093▼10Colonial Heights, VAVA18,7382,492+11%

3094▼8Marion County, ININ992,1962,506+15%

3095▼8Franklin County, OHOH1,361,5362,557+27%

3096▼12Tarrant County, TXTX2,248,4662,599+55%

3097▼7Newport News, VAVA183,2302,656+2%

3098▼10Hampton, VAVA137,3152,668−6%

3099▼8Cuyahoga County, OHOH1,232,9252,697−12%

3100▼5DuPage County, ILIL934,2982,850+3%

3101▼7Passaic County, NJNJ531,6242,856+9%

3102▼9Middlesex County, NJNJ883,3352,856+18%

3103▼5Wayne County, MIMI1,769,0382,891−14%

3104▼8DeKalb County, GAGA774,3942,893+16%

3105▼6Portsmouth, VAVA96,7772,906−4%

3106▼17Fredericksburg, VAVA30,3932,908+58%

3107▼6Harrisonburg, VAVA50,8392,933+26%

3108▼16Harris County, TXTX5,045,0262,955+48%

3109▼9Fairfax County, VAVA1,167,8732,987+20%

3110▼8Dallas County, TXTX2,661,3973,048+20%

3111▼8Winchester, VAVA28,2723,075+20%

3112▼15Lexington, VAVA7,7693,109+13%

3113▼9Delaware County, PAPA580,9373,161+5%

3114▼9Pinellas County, FLFL948,5633,465+3%

3115▼9Ramsey County, MNMN541,6233,557+6%

3116▼7Milwaukee County, WIWI924,2163,828−2%

3117▼10Richmond, VAVA237,2573,959+20%

3118▼8Orange County, CACA3,149,5073,972+11%

3119▼8Bergen County, NJNJ977,0264,197+11%

3120▼12Fairfax, VAVA26,7724,290+25%

3121▼7Charlottesville, VAVA44,3884,333−1%

3122▼9Norfolk, VAVA231,0134,336−1%

3123▼11Manassas, VAVA44,3324,504+26%

3124▼8St. Louis, MOMO278,1444,507−20%

3125▼10Denver County, COCO740,6134,838+34%

3126▼9Nassau County, NYNY1,398,9394,916+5%

3127▼7Manassas Park, VAVA16,5605,458+61%

3128▼10Cook County, ILIL5,194,6255,497−3%

3129▼10Union County, NJNJ601,8635,857+15%

3130▼7Baltimore, MDMD569,9977,042−12%

3131▼10Essex County, NJNJ896,3797,109+13%

3132▼10Falls Church, VAVA15,1597,409+46%

3133▼9Richmond County, NYNY501,2908,715+13%

3134▼9Arlington County, VAVA243,9319,383+29%

3135▼9Alexandria, VAVA160,66210,757+25%

3136▼9District of Columbia, DCDC693,64511,348+21%

3137▼9Philadelphia County, PAPA1,574,28111,717+4%

3138▼9Suffolk County, MAMA791,89113,594+15%

3139▼9Hudson County, NJNJ735,03315,912+21%

3140▼9San Francisco County, CACA826,07917,689+6%

3141▼9Queens County, NYNY2,358,18221,690+6%

3142▼9Bronx County, NYNY1,406,33233,344+6%

3143▼9Kings County, NYNY2,653,96338,254+8%

3144▼9New York County, NYNY1,664,86273,478+8%

SHOWING 3,001–3,144 OF 3,144

1 2 3 4 5 6 7

Download CSV (full list, 3,144 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES