US Census Bureau · ACS 2023

    US Counties by Population— Page 11

    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 #251–275
    #CountyStatePopulation
    251Merced CountyCalifornia285,597
    252Winnebago CountyIllinois283,289
    253Ingham CountyMichigan282,015
    254Alachua CountyFlorida281,751
    255San Luis Obispo CountyCalifornia281,486
    256Frederick CountyMaryland280,341
    257Southeastern Connecticut Planning RegionConnecticut279,025
    258Kitsap CountyWashington276,581
    259Atlantic CountyNew Jersey274,704
    260Cherokee CountyGeorgia274,539
    261St. Joseph CountyIndiana272,574
    262Washington CountyMinnesota272,298
    263Buncombe CountyNorth Carolina271,790
    264Erie CountyPennsylvania269,544
    265Brown CountyWisconsin269,425
    266St. Tammany ParishLouisiana269,331
    267Webb CountyTexas267,731
    268Weber CountyUtah266,183
    269Santa Cruz CountyCalifornia266,021
    270Madison CountyIllinois264,631
    271Cumberland CountyPennsylvania264,422
    272McLennan CountyTexas263,608
    273Harford CountyMaryland262,509
    274Kalamazoo CountyMichigan261,437
    275Forsyth CountyGeorgia260,062
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    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.

    Other Rankings

    US Counties by Median Home ValueMost Affordable Counties in the US by Home ValueUS Counties by Median Household IncomeUS Counties with the Lowest Poverty RatesUS Counties with the Highest Poverty RatesLeast Rent-Burdened Counties in the US