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 |
|---|---|---|---|---|
| 751 | Lewis and Clark County | Montana | 75,331 | 0.3% |
| 752 | Pottawatomie County | Oklahoma | 75,102 | 0.8% |
| 753 | Hancock County | Ohio | 75,034 | 0.4% |
| 754 | Morgan County | Indiana | 74,967 | 1.2% |
| 754 | Creek County | Oklahoma | 74,967 | 1.4% |
| 756 | Lea County | New Mexico | 74,749 | 0.4% |
| 757 | Grand Forks County | North Dakota | 74,501 | 1.2% |
| 758 | Effingham County | Georgia | 74,397 | 1.4% |
| 759 | Cayuga County | New York | 74,365 | -0.4% |
| 760 | Columbia County | Florida | 74,094 | 0.5% |
| 761 | DeKalb County | Alabama | 74,085 | 0.7% |
| 762 | Wood County | Wisconsin | 74,060 | -0.3% |
| 763 | Greene County | Tennessee | 73,831 | 0.7% |
| 764 | Union County | Ohio | 73,446 | 2.0% |
| 765 | Kauai County | Hawaii | 73,400 | -0.1% |
| 766 | Erie County | Ohio | 73,296 | -0.5% |
| 767 | Kershaw County | South Carolina | 73,166 | 1.7% |
| 768 | Troup County | Georgia | 72,844 | 0.9% |
| 769 | Riley County | Kansas | 72,598 | 0.7% |
| 770 | Surry County | North Carolina | 72,287 | 0.3% |
| 771 | Pender County | North Carolina | 72,111 | 2.8% |
| 772 | San Patricio County | Texas | 72,053 | 0.7% |
| 773 | Somerset County | Pennsylvania | 72,004 | -0.3% |
| 774 | Harrison County | Texas | 71,956 | 0.8% |
| 775 | Portage County | Wisconsin | 71,943 | 0.3% |
| 776 | Laurens County | South Carolina | 71,848 | 1.9% |
| 777 | Raleigh County | West Virginia | 71,775 | -0.6% |
| 778 | York County | Virginia | 71,374 | 0.1% |
| 779 | Scioto County | Ohio | 71,365 | -0.6% |
| 780 | Vermilion County | Illinois | 71,259 | -0.3% |
| 781 | Mason County | Washington | 71,165 | 2.0% |
| 782 | Oldham County | Kentucky | 70,986 | 0.5% |
| 783 | Spalding County | Georgia | 70,775 | 0.7% |
| 784 | Franklin County | Massachusetts | 70,698 | -0.3% |
| 785 | Blue Earth County | Minnesota | 70,634 | 0.6% |
| 786 | Hood County | Texas | 70,501 | 1.7% |
| 787 | Carteret County | North Carolina | 70,469 | 0.4% |
| 788 | Greenwood County | South Carolina | 70,379 | 0.3% |
| 789 | Otero County | New Mexico | 70,368 | -0.4% |
| 790 | Lauderdale County | Mississippi | 70,317 | -0.3% |
| 791 | Liberty County | Georgia | 70,313 | 1.1% |
| 792 | Klamath County | Oregon | 70,274 | -0.1% |
| 793 | Lee County | North Carolina | 70,258 | 2.1% |
| 794 | Walker County | Georgia | 70,250 | 0.8% |
| 795 | Christian County | Kentucky | 70,115 | -1.8% |
| 796 | San Benito County | California | 70,082 | 1.4% |
| 797 | Rice County | Minnesota | 69,939 | 0.6% |
| 798 | Waller County | Texas | 69,858 | 5.7% |
| 799 | Catoosa County | Georgia | 69,628 | 0.4% |
| 800 | Butler County | Kansas | 69,484 | 0.5% |
3144 ranked entries.