Ranking of US Counties By Population in 2023
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2023, the Population for the United States was 336.81M. Among all US counties, Los Angeles County had the highest population (9.73M), followed by Cook County (5.14M), and Harris County (4.90M).
On the other hand, Loving County had the lowest population (46) 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 2023
Items per page:
25
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| Rank | County | Population |
|---|---|---|
| 1 | Los Angeles County, CA | 9731837 |
| 2 | Cook County, IL | 5142522 |
| 3 | Harris County, TX | 4903450 |
| 4 | Maricopa County, AZ | 4615625 |
| 5 | San Diego County, CA | 3285890 |
| 6 | Orange County, CA | 3154563 |
| 7 | Miami-Dade County, FL | 2774250 |
| 8 | Dallas County, TX | 2636254 |
| 9 | Kings County, NY | 2592937 |
| 10 | Riverside County, CA | 2503549 |
| 11 | Clark County, NV | 2354285 |
| 12 | King County, WA | 2296813 |
| 13 | Queens County, NY | 2294682 |
| 14 | San Bernardino County, CA | 2200805 |
| 15 | Tarrant County, TX | 2197915 |
| 16 | Bexar County, TX | 2098189 |
| 17 | Broward County, FL | 2002786 |
| 18 | Santa Clara County, CA | 1897137 |
| 19 | Wayne County, MI | 1762371 |
| 20 | Middlesex County, MA | 1644932 |
| 21 | Alameda County, CA | 1638142 |
| 22 | New York County, NY | 1633229 |
| 23 | Sacramento County, CA | 1594506 |
| 24 | Philadelphia County, PA | 1563349 |
| 25 | Palm Beach County, FL | 1557481 |
| 26 | Hillsborough County, FL | 1557313 |
| 27 | Suffolk County, NY | 1529029 |
| 28 | Orange County, FL | 1501265 |
| 29 | Nassau County, NY | 1386052 |
| 30 | Bronx County, NY | 1375266 |
| 31 | Travis County, TX | 1348043 |
| 32 | Franklin County, OH | 1338903 |
| 33 | Oakland County, MI | 1281836 |
| 34 | Hennepin County, MN | 1263210 |
| 35 | Cuyahoga County, OH | 1238679 |
| 36 | Allegheny County, PA | 1230138 |
| 37 | Collin County, TX | 1207964 |
| 38 | Wake County, NC | 1203394 |
| 39 | Salt Lake County, UT | 1200544 |
| 40 | Mecklenburg County, NC | 1176228 |
| 41 | Contra Costa County, CA | 1162179 |
| 42 | Fairfax County, VA | 1146677 |
| 43 | Fulton County, GA | 1083971 |
| 44 | Montgomery County, MD | 1069397 |
| 45 | Pima County, AZ | 1068579 |
| 46 | Duval County, FL | 1038833 |
| 47 | Fresno County, CA | 1019899 |
| 48 | Denton County, TX | 1013736 |
| 49 | Westchester County, NY | 996926 |
| 50 | Honolulu County, HI | 994576 |
| 51 | Gwinnett County, GA | 991602 |
| 52 | St. Louis County, MO | 990875 |
| 53 | Capitol Planning Region, CT | 983326 |
| 54 | Marion County, IN | 975654 |
| 55 | Pinellas County, FL | 967301 |
| 56 | Bergen County, NJ | 966484 |
| 57 | Prince George's County, MD | 956533 |
| 58 | Erie County, NY | 948386 |
| 59 | Pierce County, WA | 931718 |
| 60 | DuPage County, IL | 929180 |
| 61 | Fort Bend County, TX | 927120 |
| 62 | Milwaukee County, WI | 921860 |
| 63 | Kern County, CA | 916646 |
| 64 | Shelby County, TN | 913909 |
| 65 | Hidalgo County, TX | 902443 |
| 66 | Macomb County, MI | 879271 |
| 67 | Middlesex County, NJ | 876119 |
| 68 | El Paso County, TX | 874836 |
| 69 | Worcester County, MA | 872813 |
| 70 | Montgomery County, PA | 871673 |
| 71 | Essex County, NJ | 864310 |
| 72 | Snohomish County, WA | 850297 |
| 73 | Baltimore County, MD | 848676 |
| 74 | Lee County, FL | 844226 |
| 75 | Ventura County, CA | 833071 |
| 76 | Hamilton County, OH | 831559 |
| 77 | Polk County, FL | 824172 |
| 78 | San Francisco County, CA | 819151 |
| 79 | Essex County, MA | 816197 |
| 80 | Oklahoma County, OK | 811096 |
| 81 | San Joaquin County, CA | 805909 |
| 82 | Multnomah County, OR | 794271 |
| 83 | Jefferson County, KY | 783381 |
| 84 | Suffolk County, MA | 781678 |
| 85 | Cobb County, GA | 781208 |
| 86 | DeKalb County, GA | 768047 |
| 87 | Monroe County, NY | 750901 |
| 88 | El Paso County, CO | 746934 |
| 89 | San Mateo County, CA | 734267 |
| 90 | Norfolk County, MA | 732379 |
| 91 | Utah County, UT | 725359 |
| 92 | Denver County, CO | 721367 |
| 93 | Hudson County, NJ | 721320 |
| 94 | Jackson County, MO | 720283 |
| 95 | Davidson County, TN | 719092 |
| 96 | Montgomery County, TX | 715345 |
| 97 | Lake County, IL | 714207 |
| 98 | Will County, IL | 703383 |
| 99 | Williamson County, TX | 701640 |
| 100 | Tulsa County, OK | 686411 |
| 101 | Bernalillo County, NM | 672572 |
| 102 | Providence County, RI | 667219 |
| 103 | Kent County, MI | 665109 |
| 104 | Jefferson County, AL | 664084 |
| 105 | Arapahoe County, CO | 661864 |
| 106 | Ocean County, NJ | 660445 |
| 107 | Bucks County, PA | 647625 |
| 108 | Brevard County, FL | 646705 |
| 109 | Monmouth County, NJ | 644941 |
| 110 | Pasco County, FL | 636049 |
| 111 | Western Connecticut Planning Region, CT | 630201 |
| 112 | Johnson County, KS | 625444 |
| 113 | Washington County, OR | 604831 |
| 114 | Anne Arundel County, MD | 599965 |
| 115 | Douglas County, NE | 593645 |
| 116 | Volusia County, FL | 592622 |
| 117 | Bristol County, MA | 585053 |
| 118 | New Castle County, DE | 582325 |
| 119 | Union County, NJ | 582080 |
| 120 | Delaware County, PA | 580538 |
| 121 | Dane County, WI | 579739 |
| 122 | Jefferson County, CO | 577693 |
| 123 | South Central Connecticut Planning Region, CT | 572919 |
| 124 | Baltimore city, MD | 567517 |
| 125 | Lancaster County, PA | 560174 |
| 126 | Greenville County, SC | 559696 |
| 127 | Chester County, PA | 555310 |
| 128 | Stanislaus County, CA | 553921 |
| 129 | Guilford County, NC | 552880 |
| 130 | Spokane County, WA | 552758 |
| 131 | Ramsey County, MN | 538474 |
| 132 | Plymouth County, MA | 537807 |
| 133 | Summit County, OH | 537019 |
| 134 | Adams County, CO | 535677 |
| 135 | Montgomery County, OH | 535313 |
| 136 | Sedgwick County, KS | 530254 |
| 137 | Camden County, NJ | 529576 |
| 138 | Ada County, ID | 526690 |
| 139 | Clark County, WA | 522467 |
| 140 | Passaic County, NJ | 520219 |
| 141 | Morris County, NJ | 517738 |
| 142 | Kane County, IL | 517241 |
| 143 | Polk County, IA | 507487 |
| 144 | Knox County, TN | 501576 |
| 145 | Lake County, IN | 500591 |
| 146 | Washoe County, NV | 500159 |
| 147 | Richmond County, NY | 494774 |
| 148 | Prince William County, VA | 491578 |
| 149 | Seminole County, FL | 489254 |
| 150 | Pinal County, AZ | 486395 |
| 151 | Sonoma County, CA | 483366 |
| 152 | Tulare County, CA | 480747 |
| 153 | Sarasota County, FL | 472079 |
| 154 | Burlington County, NJ | 470561 |
| 155 | Onondaga County, NY | 469226 |
| 156 | York County, PA | 465977 |
| 157 | Hampden County, MA | 462128 |
| 158 | Naugatuck Valley Planning Region, CT | 457609 |
| 159 | Virginia Beach city, VA | 453779 |
| 160 | Solano County, CA | 451060 |
| 161 | East Baton Rouge Parish, LA | 450943 |
| 162 | Dakota County, MN | 448495 |
| 163 | Osceola County, FL | 447243 |
| 164 | Manatee County, FL | 444457 |
| 165 | Santa Barbara County, CA | 443521 |
| 166 | Loudoun County, VA | 437164 |
| 167 | Monterey County, CA | 435637 |
| 168 | Berks County, PA | 435284 |
| 169 | Cameron County, TX | 428508 |
| 170 | Hillsborough County, NH | 427719 |
| 171 | Lake County, FL | 426782 |
| 172 | Lucas County, OH | 426240 |
| 173 | Charleston County, SC | 425805 |
| 174 | Jefferson Parish, LA | 425657 |
| 175 | Richland County, SC | 425236 |
| 176 | Placer County, CA | 424599 |
| 177 | Clackamas County, OR | 424396 |
| 178 | St. Charles County, MO | 417958 |
| 179 | Waukesha County, WI | 414013 |
| 180 | Madison County, AL | 413891 |
| 181 | Marion County, FL | 412338 |
| 182 | Mobile County, AL | 411745 |
| 183 | Collier County, FL | 410065 |
| 184 | Orange County, NY | 408427 |
| 185 | Genesee County, MI | 401711 |
| 186 | Brazoria County, TX | 401422 |
| 187 | Pulaski County, AR | 400704 |
| 188 | Horry County, SC | 398374 |
| 189 | Butler County, OH | 395593 |
| 190 | Allen County, IN | 395131 |
| 191 | Bell County, TX | 394065 |
| 192 | Forsyth County, NC | 393835 |
| 193 | Mercer County, NJ | 386296 |
| 194 | Douglas County, CO | 385141 |
| 195 | Chesterfield County, VA | 384693 |
| 196 | Lane County, OR | 382151 |
| 197 | Hamilton County, TN | 381272 |
| 198 | Lehigh County, PA | 380872 |
| 199 | St. Lucie County, FL | 376186 |
| 200 | Davis County, UT | 374430 |
Ranking of Counties By Population in 2023 for each US State
Use the following links to see the ranking of counties by population for each of the following US states.