US Census Bureau · ACS 2023

    US Counties by Population— Page 49

    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 #12011225
    #CountyStatePopulation
    1201McKean CountyPennsylvania40,149
    1202Mower CountyMinnesota40,069
    1203Waldo CountyMaine40,006
    1204Fayette CountyWest Virginia39,987
    1205Wyoming CountyNew York39,980
    1206Marshall CountyIowa39,971
    1207Tazewell CountyVirginia39,933
    1208Pike CountyMississippi39,930
    1209Webster CountyMissouri39,868
    1210Harrison CountyIndiana39,785
    1211Cidra MunicipioPuerto Rico39,765
    1212Mississippi CountyArkansas39,749
    1213Snyder CountyPennsylvania39,711
    1214Orleans CountyNew York39,686
    1215Sequoyah CountyOklahoma39,676
    1216Campbell CountyTennessee39,568
    1217Fremont CountyWyoming39,472
    1218Isle of Wight CountyVirginia39,444
    1219Mayes CountyOklahoma39,406
    1220Williams CountyNorth Dakota39,368
    1221Douglas CountyMinnesota39,354
    1222Oconto CountyWisconsin39,329
    1223Person CountyNorth Carolina39,275
    1224Gloucester CountyVirginia39,228
    1225Avoyelles ParishLouisiana39,176

    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.