US Census Bureau · ACS 2023

    US Counties by Population— Page 20

    Every US county ranked by total population, from largest to smallest, based on the Census Bureau ACS 5-Year Estimates.

    3,222 counties rankedSource: US Census Bureau ACS 2023Highest firstShowing #476500
    #CountyStatePopulation
    476Blount CountyTennessee137,747
    477Boone CountyKentucky137,676
    478Warren CountyKentucky137,549
    479Sumter CountyFlorida137,536
    480Hampton cityVirginia137,334
    481Washington CountyWisconsin137,320
    482Cache CountyUtah137,031
    483Florence CountySouth Carolina136,921
    484Harnett CountyNorth Carolina136,503
    485Napa CountyCalifornia136,070
    486Clark CountyOhio135,445
    487Humboldt CountyCalifornia135,418
    488Tangipahoa ParishLouisiana135,218
    489Kendall CountyIllinois135,053
    490Washington CountyTennessee134,693
    491Ponce MunicipioPuerto Rico134,676
    492Calhoun CountyMichigan133,846
    493Pickens CountySouth Carolina132,604
    494Cambria CountyPennsylvania132,355
    495Wood CountyOhio131,795
    496Strafford CountyNew Hampshire131,743
    497Madison CountyIndiana130,949
    498Black Hawk CountyIowa130,693
    499Tazewell CountyIllinois130,555
    500Skagit CountyWashington130,407

    Data from the US Census Bureau American Community Survey (ACS) 5-Year Estimates, 2019–2023. Rankings include all counties, county equivalents, and independent cities in the United States. Click any county to see its full profile.