Ranking of US Counties By Population in 2024
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2024, the Population for the United States was 340.11M. Among all US counties, Los Angeles County had the highest population (9.76M), followed by Cook County (5.18M), and Harris County (5.01M).
On the other hand, Loving County had the lowest population (48) followed by Kalawao County (81), and King County (215).
The chart below shows the top 10 counties with high population, and the table below shows the ranking of the top 200 US counties.
You can see similar ranking information for related topics. You can also see links at the bottom of the page for the ranking of counties for each state.
You may also be interested in:
Related Topics: US Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of US Counties By Population in 2024
Items per page:
25
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| Rank | County | Population |
|---|---|---|
| 1 | Los Angeles County, CA | 9757179 |
| 2 | Cook County, IL | 5182617 |
| 3 | Harris County, TX | 5009302 |
| 4 | Maricopa County, AZ | 4673096 |
| 5 | San Diego County, CA | 3298799 |
| 6 | Orange County, CA | 3170435 |
| 7 | Miami-Dade County, FL | 2838461 |
| 8 | Dallas County, TX | 2656028 |
| 9 | Kings County, NY | 2617631 |
| 10 | Riverside County, CA | 2529933 |
| 11 | Clark County, NV | 2398871 |
| 12 | King County, WA | 2340211 |
| 13 | Queens County, NY | 2316841 |
| 14 | Tarrant County, TX | 2230708 |
| 15 | San Bernardino County, CA | 2214281 |
| 16 | Bexar County, TX | 2127737 |
| 17 | Broward County, FL | 2037472 |
| 18 | Santa Clara County, CA | 1926325 |
| 19 | Wayne County, MI | 1771063 |
| 20 | Middlesex County, MA | 1668956 |
| 21 | New York County, NY | 1660664 |
| 22 | Alameda County, CA | 1649060 |
| 23 | Sacramento County, CA | 1611231 |
| 24 | Palm Beach County, FL | 1582055 |
| 25 | Hillsborough County, FL | 1581426 |
| 26 | Philadelphia County, PA | 1573916 |
| 27 | Suffolk County, NY | 1535909 |
| 28 | Orange County, FL | 1533646 |
| 29 | Nassau County, NY | 1392438 |
| 30 | Bronx County, NY | 1384724 |
| 31 | Travis County, TX | 1363767 |
| 32 | Franklin County, OH | 1356303 |
| 33 | Oakland County, MI | 1296888 |
| 34 | Hennepin County, MN | 1273334 |
| 35 | Collin County, TX | 1254658 |
| 36 | Cuyahoga County, OH | 1240594 |
| 37 | Wake County, NC | 1232444 |
| 38 | Allegheny County, PA | 1231814 |
| 39 | Salt Lake County, UT | 1216274 |
| 40 | Mecklenburg County, NC | 1206285 |
| 41 | Contra Costa County, CA | 1172607 |
| 42 | Fairfax County, VA | 1160925 |
| 43 | Fulton County, GA | 1090354 |
| 44 | Montgomery County, MD | 1082273 |
| 45 | Pima County, AZ | 1080149 |
| 46 | Duval County, FL | 1055159 |
| 47 | Denton County, TX | 1045120 |
| 48 | Fresno County, CA | 1024125 |
| 49 | Westchester County, NY | 1006447 |
| 50 | Gwinnett County, GA | 1003869 |
| 51 | Honolulu County, HI | 998747 |
| 52 | St. Louis County, MO | 992929 |
| 53 | Capitol Planning Region, CT | 991508 |
| 54 | Marion County, IN | 981628 |
| 55 | Bergen County, NJ | 978641 |
| 56 | Prince George's County, MD | 966629 |
| 57 | Pinellas County, FL | 965870 |
| 58 | Fort Bend County, TX | 958434 |
| 59 | Erie County, NY | 950602 |
| 60 | Pierce County, WA | 941170 |
| 61 | DuPage County, IL | 937142 |
| 62 | Milwaukee County, WI | 924740 |
| 63 | Kern County, CA | 922529 |
| 64 | Hidalgo County, TX | 914820 |
| 65 | Shelby County, TN | 910530 |
| 66 | Middlesex County, NJ | 890119 |
| 67 | Macomb County, MI | 886175 |
| 68 | Essex County, NJ | 881527 |
| 69 | Worcester County, MA | 881248 |
| 70 | Montgomery County, PA | 879190 |
| 71 | El Paso County, TX | 875784 |
| 72 | Snohomish County, WA | 864113 |
| 73 | Lee County, FL | 860959 |
| 74 | Polk County, FL | 852878 |
| 75 | Baltimore County, MD | 852425 |
| 76 | Hamilton County, OH | 837359 |
| 77 | Ventura County, CA | 835427 |
| 78 | San Francisco County, CA | 827526 |
| 79 | Essex County, MA | 823938 |
| 80 | Oklahoma County, OK | 816490 |
| 81 | San Joaquin County, CA | 816108 |
| 82 | Multnomah County, OR | 795897 |
| 83 | Jefferson County, KY | 793881 |
| 84 | Suffolk County, MA | 793144 |
| 85 | Cobb County, GA | 787538 |
| 86 | DeKalb County, GA | 770307 |
| 87 | El Paso County, CO | 752772 |
| 88 | Monroe County, NY | 752202 |
| 89 | Montgomery County, TX | 749613 |
| 90 | Utah County, UT | 747234 |
| 91 | San Mateo County, CA | 742893 |
| 92 | Norfolk County, MA | 740754 |
| 93 | Hudson County, NJ | 736185 |
| 94 | Davidson County, TN | 729505 |
| 95 | Denver County, CO | 729019 |
| 96 | Williamson County, TX | 727480 |
| 97 | Jackson County, MO | 727362 |
| 98 | Lake County, IL | 718604 |
| 99 | Will County, IL | 708583 |
| 100 | Tulsa County, OK | 693514 |
| 101 | Providence County, RI | 675912 |
| 102 | Kent County, MI | 673002 |
| 103 | Bernalillo County, NM | 671747 |
| 104 | Arapahoe County, CO | 666918 |
| 105 | Ocean County, NJ | 666434 |
| 106 | Jefferson County, AL | 664744 |
| 107 | Pasco County, FL | 659114 |
| 108 | Brevard County, FL | 658447 |
| 109 | Bucks County, PA | 650131 |
| 110 | Monmouth County, NJ | 647520 |
| 111 | Western Connecticut Planning Region, CT | 637013 |
| 112 | Johnson County, KS | 632276 |
| 113 | Washington County, OR | 611272 |
| 114 | Volusia County, FL | 602772 |
| 115 | Anne Arundel County, MD | 602350 |
| 116 | Douglas County, NE | 601158 |
| 117 | Union County, NJ | 594160 |
| 118 | Bristol County, MA | 588593 |
| 119 | Dane County, WI | 588347 |
| 120 | New Castle County, DE | 588093 |
| 121 | Delaware County, PA | 584882 |
| 122 | Jefferson County, CO | 578533 |
| 123 | South Central Connecticut Planning Region, CT | 576718 |
| 124 | Greenville County, SC | 570745 |
| 125 | Baltimore city, MD | 568271 |
| 126 | Lancaster County, PA | 563293 |
| 127 | Chester County, PA | 560745 |
| 128 | Guilford County, NC | 558816 |
| 129 | Stanislaus County, CA | 556972 |
| 130 | Spokane County, WA | 555947 |
| 131 | Adams County, CO | 542973 |
| 132 | Plymouth County, MA | 542090 |
| 133 | Ramsey County, MN | 542015 |
| 134 | Summit County, OH | 538370 |
| 135 | Montgomery County, OH | 537443 |
| 136 | Sedgwick County, KS | 536081 |
| 137 | Ada County, ID | 535799 |
| 138 | Camden County, NJ | 533988 |
| 139 | Clark County, WA | 527269 |
| 140 | Passaic County, NJ | 526597 |
| 141 | Morris County, NJ | 523053 |
| 142 | Kane County, IL | 520997 |
| 143 | Polk County, IA | 516185 |
| 144 | Pinal County, AZ | 513862 |
| 145 | Washoe County, NV | 507280 |
| 146 | Knox County, TN | 506748 |
| 147 | Lake County, IN | 502955 |
| 148 | Richmond County, NY | 498212 |
| 149 | Prince William County, VA | 497003 |
| 150 | Seminole County, FL | 494605 |
| 151 | Sonoma County, CA | 485375 |
| 152 | Tulare County, CA | 483546 |
| 153 | Sarasota County, FL | 476604 |
| 154 | Burlington County, NJ | 475515 |
| 155 | York County, PA | 471240 |
| 156 | Onondaga County, NY | 469812 |
| 157 | Osceola County, FL | 468058 |
| 158 | Hampden County, MA | 464151 |
| 159 | Naugatuck Valley Planning Region, CT | 462220 |
| 160 | Manatee County, FL | 458352 |
| 161 | Solano County, CA | 455101 |
| 162 | Virginia Beach city, VA | 454808 |
| 163 | Dakota County, MN | 453156 |
| 164 | East Baton Rouge Parish, LA | 453022 |
| 165 | Santa Barbara County, CA | 444500 |
| 166 | Lake County, FL | 444204 |
| 167 | Loudoun County, VA | 443380 |
| 168 | Berks County, PA | 439117 |
| 169 | Monterey County, CA | 436251 |
| 170 | Placer County, CA | 433822 |
| 171 | Cameron County, TX | 431874 |
| 172 | Charleston County, SC | 431001 |
| 173 | Richland County, SC | 430651 |
| 174 | Hillsborough County, NH | 430462 |
| 175 | Marion County, FL | 428905 |
| 176 | Jefferson Parish, LA | 427253 |
| 177 | Lucas County, OH | 426291 |
| 178 | Clackamas County, OR | 425857 |
| 179 | St. Charles County, MO | 423726 |
| 180 | Madison County, AL | 423355 |
| 181 | Waukesha County, WI | 417029 |
| 182 | Collier County, FL | 416233 |
| 183 | Horry County, SC | 413391 |
| 184 | Brazoria County, TX | 413224 |
| 185 | Mobile County, AL | 412339 |
| 186 | Orange County, NY | 411767 |
| 187 | Genesee County, MI | 402279 |
| 188 | Pulaski County, AR | 401209 |
| 189 | Bell County, TX | 399578 |
| 190 | Butler County, OH | 399542 |
| 191 | Allen County, IN | 399295 |
| 192 | Forsyth County, NC | 398143 |
| 193 | Douglas County, CO | 393995 |
| 194 | Mercer County, NJ | 392138 |
| 195 | St. Lucie County, FL | 390670 |
| 196 | Chesterfield County, VA | 389793 |
| 197 | Hamilton County, TN | 386256 |
| 198 | Lehigh County, PA | 385655 |
| 199 | Lane County, OR | 382396 |
| 200 | Hamilton County, IN | 379704 |
Ranking of Counties By Population in 2024 for each US State
Use the following links to see the ranking of counties by population for each of the following US states.