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 |
|---|---|---|---|---|
| 1051 | Madison County | Ohio | 46,985 | 2.6% |
| 1052 | Lawrence County | Tennessee | 46,914 | 0.6% |
| 1053 | Hancock County | Mississippi | 46,873 | 0.8% |
| 1054 | Perry County | Pennsylvania | 46,806 | 0.5% |
| 1055 | Allegany County | New York | 46,800 | 0.0% |
| 1056 | Osage County | Oklahoma | 46,794 | 0.0% |
| 1057 | Curry County | New Mexico | 46,655 | -1.5% |
| 1058 | Coles County | Illinois | 46,607 | 0.1% |
| 1059 | Calaveras County | California | 46,605 | 0.2% |
| 1060 | Marshall County | Indiana | 46,599 | 0.1% |
| 1061 | Monroe County | Wisconsin | 46,572 | 0.1% |
| 1062 | St. Mary Parish | Louisiana | 46,552 | -0.9% |
| 1063 | Halifax County | North Carolina | 46,534 | -1.0% |
| 1064 | Franklin County | New York | 46,500 | -1.0% |
| 1065 | Barron County | Wisconsin | 46,484 | -0.5% |
| 1066 | Douglas County | Washington | 46,473 | 2.1% |
| 1067 | Thomas County | Georgia | 46,368 | 0.3% |
| 1068 | Logan County | Ohio | 46,302 | 0.5% |
| 1069 | Dunn County | Wisconsin | 46,223 | 0.5% |
| 1070 | Crittenden County | Arkansas | 46,210 | -1.2% |
| 1071 | Mifflin County | Pennsylvania | 46,127 | 0.2% |
| 1072 | Stokes County | North Carolina | 46,126 | 0.7% |
| 1073 | Clinton County | Iowa | 46,002 | 0.0% |
| 1074 | Branch County | Michigan | 45,993 | -0.1% |
| 1075 | Auglaize County | Ohio | 45,909 | -0.1% |
| 1076 | Shelby County | Indiana | 45,882 | 0.6% |
| 1077 | Davie County | North Carolina | 45,855 | 0.8% |
| 1078 | Cortland County | New York | 45,850 | -0.5% |
| 1079 | Shenandoah County | Virginia | 45,839 | 0.8% |
| 1080 | Polk County | Wisconsin | 45,803 | 0.1% |
| 1081 | Callaway County | Missouri | 45,765 | 1.2% |
| 1082 | Hillsdale County | Michigan | 45,738 | 0.1% |
| 1083 | Chenango County | New York | 45,715 | -0.2% |
| 1084 | St. Bernard Parish | Louisiana | 45,642 | 0.6% |
| 1085 | Barren County | Kentucky | 45,641 | 0.5% |
| 1086 | Franklin County | Tennessee | 45,579 | 0.9% |
| 1087 | Lawrence County | Indiana | 45,568 | 0.7% |
| 1088 | Polk County | Georgia | 45,514 | 1.6% |
| 1089 | Itasca County | Minnesota | 45,404 | -0.1% |
| 1090 | Phelps County | Missouri | 45,247 | 0.1% |
| 1091 | Okanogan County | Washington | 45,230 | 1.3% |
| 1092 | Windham County | Vermont | 45,204 | -0.6% |
| 1093 | McDowell County | North Carolina | 45,198 | -0.2% |
| 1094 | Hopkins County | Kentucky | 45,127 | 0.2% |
| 1095 | Vernon Parish | Louisiana | 45,091 | -2.1% |
| 1096 | Fayette County | Tennessee | 45,071 | 1.2% |
| 1097 | Jackson County | North Carolina | 45,039 | 0.1% |
| 1098 | Holmes County | Ohio | 44,970 | 0.5% |
| 1099 | Washington Parish | Louisiana | 44,937 | -0.4% |
| 1100 | Oconee County | Georgia | 44,893 | 0.8% |
3144 ranked entries.