US Census Bureau · ACS 2023

    US Counties by Population— Page 74

    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 #18261850
    #CountyStatePopulation
    1826Shelby CountyIllinois20,867
    1827Ogemaw CountyMichigan20,853
    1828Greene CountyVirginia20,850
    1829Perry CountyIllinois20,810
    1830Coahoma CountyMississippi20,808
    1831Jones CountyIowa20,799
    1832Sullivan CountyIndiana20,766
    1833Meriwether CountyGeorgia20,757
    1834Dukes CountyMassachusetts20,751
    1835Fairfield CountySouth Carolina20,741
    1836Colorado CountyTexas20,736
    1837Breckinridge CountyKentucky20,722
    1838Assumption ParishLouisiana20,720
    1839Adams CountyWashington20,690
    1840Buena Vista CountyIowa20,684
    1841Carroll CountyIowa20,677
    1842Lincoln CountyMontana20,656
    1843Buchanan CountyIowa20,645
    1844Kewaunee CountyWisconsin20,621
    1845Morgan CountyGeorgia20,614
    1846Uinta CountyWyoming20,605
    1847Montague CountyTexas20,599
    1848Worth CountyGeorgia20,575
    1849Barnwell CountySouth Carolina20,565
    1850DeKalb CountyTennessee20,551

    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.