Which county has the lowest population density?

Yukon-Koyukuk Census Area, Alaska ranks #1 with 0 (2010 American Community Survey).

What are the top 5 counties by population density?

Yukon-Koyukuk Census Area, Alaska, Lake and Peninsula, Alaska, Yakutat, Alaska, North Slope, Alaska, Loving County, Texas.

How many counties are in this ranking?

3,131 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 ACS 5-year data.

How is population density measured?

Residents per square mile of land area. Source: US Census Bureau, American Community Survey 5-year estimates (2010).

RANKING · 2010 CENSUS · 131 SHOWN OF 3,131

Most sparsely populated, US counties · 2010

US counties with the fewest residents per square mile (2023).

Flip the list · Most densely populated, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

3001New Hanover County, NCNC245,9591,054+26%

3002Tulsa County, OKOK698,7821,058+7%

3003Morris County, NJNJ524,2511,068+5%

3004Somerset County, NJNJ356,4861,071+9%

3005Wake County, NCNC1,257,2351,080+44%

3006Covington, VAVA5,6801,090−5%

3007Jackson County, MOMO732,9941,115+3%

3008Monroe County, NYNY750,5061,133+1%

3009Duval County, FLFL1,062,9631,133+11%

3010Howard County, MDMD339,1831,144+16%

3011Johnson County, KSKS636,9061,149+21%

3012Montgomery County, OHOH539,5981,160−4%

3013Staunton, VAVA26,8011,192−0%

3014Prince William County, VAVA502,9661,199+43%

3015Hillsborough County, FLFL1,574,1151,202+23%

3016Shelby County, TNTN910,2261,219+3%

3017Davidson County, TNTN745,9041,245+10%

3018Martinsville, VAVA13,8491,262−10%

3019New Castle County, DEDE588,0261,263+8%

3020Orange County, FLFL1,528,0021,269+28%

3021Anne Arundel County, MDMD603,3801,296+10%

3022Lucas County, OHOH423,3471,301−3%

3023Summit County, OHOH538,3761,312−0%

3024Henrico County, VAVA342,7751,313+17%

3025Miami-Dade County, FLFL2,802,0291,314+11%

3026Baltimore County, MDMD847,6501,345+7%

3027Monmouth County, NJNJ651,0351,346+2%

3028Seminole County, FLFL491,8841,366+16%

3029Salt Lake County, UTUT1,220,9161,368+15%

3030Santa Clara County, CACA1,914,3911,380+6%

3031Bexar County, TXTX2,160,0881,383+23%

3032Bristol, VAVA16,4181,386+3%

3033Oakland County, MIMI1,288,3371,386+1%

3034Waynesboro, VAVA23,9511,403+8%

3035Petersburg, VAVA33,7341,427−4%

3036Jefferson Parish, LALA431,3981,438−5%

3037Broward County, FLFL2,013,3171,453+8%

3038Contra Costa County, CACA1,170,0701,463+11%

3039Sacramento County, CACA1,618,4601,470+16%

3040Essex County, MAMA826,6531,509+3%

3041Providence County, RIRI678,1791,530+1%

3042Lynchburg, VAVA81,3471,543+16%

3043Williamsburg, VAVA15,8611,574+17%

3044Douglas County, NENE606,4601,584+12%

3045Lake County, ILIL719,3391,586+9%

3046Honolulu County, HIHI988,7031,587+9%

3047San Mateo County, CACA743,5681,602+2%

3048Mercer County, NJNJ399,2891,633+4%

3049Suffolk County, NYNY1,546,0901,639+5%

3050Montgomery County, PAPA877,6431,656+7%

3051Allegheny County, PAPA1,225,0351,676−5%

3052Norfolk County, MAMA739,7491,694+3%

3053Broomfield County, COCO79,1741,695–

3054Radford, VAVA17,2431,696+3%

3055Multnomah County, OROR795,3911,706+11%

3056Salem, VAVA25,8161,709+0%

3057Fulton County, GAGA1,098,7911,748+13%

3058Macomb County, MIMI886,2211,754+7%

3059Mecklenburg County, NCNC1,233,3831,756+32%

3060Prince George's County, MDMD970,3741,789+8%

3061Virginia Beach, VAVA453,7371,790+3%

3062Rockland County, NYNY357,3971,795+9%

3063Clayton County, GAGA297,4711,830+10%

3064Middlesex County, MAMA1,669,9791,838+3%

3065Gwinnett County, GAGA1,018,0991,868+37%

3066Jefferson County, KYKY795,2221,946+7%

3067St. Louis County, MOMO990,9111,966−2%

3068Montgomery County, MDMD1,074,5821,971+11%

3069Hamilton County, OHOH838,4181,979−5%

3070Cobb County, GAGA793,3452,026+13%

3071Orleans Parish, LALA362,1542,028−29%

3072Alameda County, CACA1,636,6302,048+5%

3073Bristol County, RIRI50,0012,067−2%

3074Hennepin County, MNMN1,284,7842,080+3%

3075Tarrant County, TXTX2,248,4662,091+25%

3076Hopewell, VAVA23,2612,182+1%

3077Franklin County, OHOH1,361,5362,185+9%

3078Westchester County, NYNY1,015,7432,203+3%

3079Marion County, ININ992,1962,281+5%

3080Roanoke, VAVA99,1112,282+2%

3081Colonial Heights, VAVA18,7382,316+3%

3082Camden County, NJNJ535,7992,320+1%

3083Fredericksburg, VAVA30,3932,324+26%

3084Harris County, TXTX5,045,0262,397+20%

3085Los Angeles County, CACA9,694,9342,418+3%

3086DeKalb County, GAGA774,3942,585+4%

3087Middlesex County, NJNJ883,3352,619+8%

3088Newport News, VAVA183,2302,619+0%

3089Hampton, VAVA137,3152,671−6%

3090Passaic County, NJNJ531,6242,693+2%

3091Dallas County, TXTX2,661,3972,712+7%

3092Fairfax County, VAVA1,167,8732,766+12%

3093DuPage County, ILIL934,2982,797+1%

3094Cuyahoga County, OHOH1,232,9252,800−8%

3095Lexington, VAVA7,7692,818+3%

3096Harrisonburg, VAVA50,8392,822+21%

3097Winchester, VAVA28,2722,850+11%

3098Portsmouth, VAVA96,7772,869−5%

3099Wayne County, MIMI1,769,0382,976−12%

3100Delaware County, PAPA580,9373,041+1%

3101Ramsey County, MNMN541,6233,341−0%

3102Pinellas County, FLFL948,5633,348−1%

3103Richmond, VAVA237,2573,408+3%

3104Fairfax, VAVA26,7723,616+5%

3105Orange County, CACA3,149,5073,797+6%

3106Manassas, VAVA44,3323,842+8%

3107Bergen County, NJNJ977,0263,888+2%

3108Denver County, COCO740,6133,921+8%

3109Milwaukee County, WIWI924,2163,925+1%

3110Charlottesville, VAVA44,3884,244−3%

3111Norfolk, VAVA231,0134,558+4%

3112Manassas Park, VAVA16,5604,704+39%

3113Nassau County, NYNY1,398,9394,708+0%

3114St. Louis, MOMO278,1445,173−8%

3115Union County, NJNJ601,8635,221+3%

3116Cook County, ILIL5,194,6255,497−3%

3117Falls Church, VAVA15,1596,027+19%

3118Essex County, NJNJ896,3796,218−1%

3119Baltimore, MDMD569,9977,671−5%

3120Arlington County, VAVA243,9317,987+10%

3121Richmond County, NYNY501,2908,149+6%

3122Alexandria, VAVA160,6629,372+9%

3123District of Columbia, DCDC693,6459,844+5%

3124Philadelphia County, PAPA1,574,28111,358+1%

3125Suffolk County, MAMA791,89112,395+5%

3126Hudson County, NJNJ735,03313,730+4%

3127San Francisco County, CACA826,07917,243+4%

3128Queens County, NYNY2,358,18220,517+0%

3129Bronx County, NYNY1,406,33232,841+4%

3130Kings County, NYNY2,653,96336,103+2%

3131New York County, NYNY1,664,86269,992+3%

SHOWING 3,001–3,131 OF 3,131

1 2 3 4 5 6 7

Download CSV (full list, 3,131 rows)

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