Largest counties by population
Rank US counties and county equivalents by resident population, not land area.
U.S. Census Bureau Population EstimatesPeriod: July 1, 2024–July 1, 2025 · Vintage 2025Retrieved 2026-10-05T08:10:35+00:00
July 1 resident population estimates from a single Census vintage. Counties are ranked by population, not land area. County equivalents include independent cities and other Census county-equivalent areas.
Ranks are competition ranks computed across the full filtered set.
| Rank | Name | State | Population | Growth |
|---|---|---|---|---|
| 601 | Suffolk city | Virginia | 104,699 | 1.6% |
| 602 | Fond du Lac County | Wisconsin | 104,669 | 0.0% |
| 603 | Sherburne County | Minnesota | 104,194 | 1.0% |
| 604 | Terrebonne Parish | Louisiana | 104,163 | 0.0% |
| 605 | Tompkins County | New York | 104,047 | -0.3% |
| 606 | Etowah County | Alabama | 103,886 | 0.4% |
| 607 | Marshall County | Alabama | 103,537 | 0.7% |
| 608 | Cleveland County | North Carolina | 103,325 | 0.8% |
| 609 | Burleigh County | North Dakota | 103,251 | 0.8% |
| 610 | Laramie County | Wyoming | 102,938 | 1.2% |
| 611 | Franklin County | Washington | 102,612 | 1.2% |
| 612 | Rogers County | Oklahoma | 102,197 | 1.0% |
| 613 | Bay County | Michigan | 102,123 | -0.3% |
| 614 | Nevada County | California | 101,911 | -0.2% |
| 615 | DeKalb County | Illinois | 101,835 | 1.2% |
| 616 | Madison County | Kentucky | 101,696 | 2.1% |
| 617 | Floyd County | Georgia | 101,378 | 0.2% |
| 618 | Sevier County | Tennessee | 101,342 | 0.1% |
| 619 | Story County | Iowa | 101,291 | -0.1% |
| 620 | Allen County | Ohio | 100,881 | -0.1% |
| 621 | Madison County | Tennessee | 100,790 | 0.5% |
| 622 | Frederick County | Virginia | 99,955 | 1.8% |
| 623 | Barrow County | Georgia | 99,773 | 2.9% |
| 624 | Garland County | Arkansas | 99,695 | -0.2% |
| 625 | Dubuque County | Iowa | 99,381 | 0.4% |
| 626 | Columbiana County | Ohio | 99,377 | -0.3% |
| 627 | Nash County | North Carolina | 99,365 | 0.6% |
| 628 | Macon County | Illinois | 99,300 | -0.6% |
| 629 | Jackson County | Georgia | 99,265 | 5.3% |
| 630 | Roanoke city | Virginia | 99,111 | 0.4% |
| 631 | Putnam County | New York | 99,028 | 0.2% |
| 632 | Sutter County | California | 98,787 | -0.1% |
| 633 | Lincoln County | North Carolina | 98,654 | 1.2% |
| 634 | Montgomery County | Virginia | 98,434 | 0.1% |
| 635 | Rockdale County | Georgia | 98,416 | 1.0% |
| 636 | St. Croix County | Wisconsin | 98,276 | 0.6% |
| 637 | St. Clair County | Alabama | 98,206 | 1.2% |
| 638 | Northeastern Connecticut Planning Region | Connecticut | 98,096 | 0.5% |
| 639 | Lenawee County | Michigan | 97,779 | 0.0% |
| 640 | Benton County | Oregon | 97,728 | 0.1% |
| 641 | Twin Falls County | Idaho | 97,539 | 1.1% |
| 642 | Roanoke County | Virginia | 97,150 | -0.2% |
| 643 | Lauderdale County | Alabama | 97,135 | -0.2% |
| 644 | Portsmouth city | Virginia | 96,777 | -0.1% |
| 645 | Grand Traverse County | Michigan | 96,729 | 0.3% |
| 646 | Christian County | Missouri | 96,725 | 0.7% |
| 647 | Ashtabula County | Ohio | 96,713 | 0.0% |
| 648 | Geauga County | Ohio | 95,676 | 0.4% |
| 649 | Lafourche Parish | Louisiana | 95,505 | 0.0% |
| 650 | Campbell County | Kentucky | 95,441 | 1.5% |
3144 ranked entries.