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 |
|---|---|---|---|---|
| 1451 | Edgefield County | South Carolina | 29,808 | 1.9% |
| 1452 | Marion County | Tennessee | 29,804 | 0.1% |
| 1453 | White County | Georgia | 29,802 | 0.6% |
| 1454 | Baker County | Florida | 29,737 | 0.8% |
| 1455 | Williamsburg County | South Carolina | 29,662 | -0.5% |
| 1456 | King George County | Virginia | 29,646 | 2.6% |
| 1457 | White County | Tennessee | 29,612 | 1.3% |
| 1458 | Iberville Parish | Louisiana | 29,579 | -0.4% |
| 1459 | Codington County | South Dakota | 29,562 | 1.0% |
| 1460 | Knox County | Kentucky | 29,532 | -0.4% |
| 1461 | San Jacinto County | Texas | 29,488 | 0.5% |
| 1462 | Elmore County | Idaho | 29,465 | -0.4% |
| 1463 | Lawrence County | South Dakota | 29,459 | 2.6% |
| 1464 | Le Sueur County | Minnesota | 29,453 | 0.1% |
| 1465 | Ripley County | Indiana | 29,434 | 0.3% |
| 1466 | Decatur County | Georgia | 29,432 | -0.1% |
| 1467 | Carroll County | Virginia | 29,299 | 0.3% |
| 1468 | Carroll County | Arkansas | 29,263 | 0.6% |
| 1469 | Carroll County | Tennessee | 29,200 | 0.0% |
| 1470 | Goochland County | Virginia | 29,187 | 3.3% |
| 1471 | Jones County | Georgia | 29,171 | 0.3% |
| 1472 | Marshall County | West Virginia | 29,159 | -0.4% |
| 1473 | Marion County | Alabama | 29,097 | -0.9% |
| 1474 | Ellis County | Kansas | 29,075 | 0.2% |
| 1475 | Gallia County | Ohio | 29,072 | 0.4% |
| 1476 | Mason County | Michigan | 29,040 | -0.1% |
| 1477 | Van Wert County | Ohio | 29,013 | 0.5% |
| 1478 | Fluvanna County | Virginia | 28,975 | 0.6% |
| 1479 | Dinwiddie County | Virginia | 28,896 | 0.4% |
| 1480 | Wells County | Indiana | 28,883 | 0.1% |
| 1481 | Smyth County | Virginia | 28,882 | -0.9% |
| 1482 | Alpena County | Michigan | 28,853 | -0.1% |
| 1483 | Montgomery County | Kentucky | 28,822 | 0.0% |
| 1484 | Sumter County | Georgia | 28,801 | -1.0% |
| 1485 | West Baton Rouge Parish | Louisiana | 28,756 | 0.7% |
| 1486 | Neshoba County | Mississippi | 28,732 | -0.3% |
| 1487 | Tate County | Mississippi | 28,725 | 0.3% |
| 1488 | Logan County | Kentucky | 28,669 | 0.8% |
| 1489 | Cass County | Texas | 28,651 | -0.1% |
| 1490 | Hart County | Georgia | 28,639 | 1.7% |
| 1491 | Fayette County | Ohio | 28,552 | -0.5% |
| 1492 | Gillespie County | Texas | 28,527 | 1.4% |
| 1493 | Marion County | Missouri | 28,525 | 0.4% |
| 1494 | Henderson County | Tennessee | 28,518 | 1.0% |
| 1495 | Upson County | Georgia | 28,500 | 0.3% |
| 1496 | Union County | Mississippi | 28,459 | 0.3% |
| 1497 | Lincoln County | Wisconsin | 28,403 | 0.0% |
| 1498 | Washington County | Indiana | 28,383 | 0.1% |
| 1499 | Garrett County | Maryland | 28,370 | -0.2% |
| 1500 | Bradford County | Florida | 28,307 | 0.5% |
3144 ranked entries.