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 |
|---|---|---|---|---|
| 401 | Wilson County | Tennessee | 175,033 | 2.8% |
| 402 | Brunswick County | North Carolina | 174,702 | 4.7% |
| 403 | Greene County | Ohio | 174,322 | 1.3% |
| 404 | Johnson County | Indiana | 174,262 | 1.9% |
| 405 | Winnebago County | Wisconsin | 174,218 | 0.5% |
| 406 | Ector County | Texas | 173,801 | 1.8% |
| 407 | Kent County | Rhode Island | 173,495 | 0.7% |
| 408 | Indian River County | Florida | 172,799 | 0.7% |
| 409 | Yellowstone County | Montana | 172,692 | 0.7% |
| 410 | Kanawha County | West Virginia | 172,381 | -0.6% |
| 411 | Citrus County | Florida | 171,666 | 1.1% |
| 412 | McLean County | Illinois | 171,419 | -0.1% |
| 413 | Stafford County | Virginia | 170,803 | 1.2% |
| 414 | Wyandotte County | Kansas | 170,597 | 0.4% |
| 415 | Catawba County | North Carolina | 170,172 | 1.8% |
| 416 | Fairfield County | Ohio | 169,752 | 1.2% |
| 417 | Pueblo County | Colorado | 169,277 | -0.5% |
| 418 | Columbia County | Georgia | 169,189 | 1.2% |
| 419 | Chittenden County | Vermont | 169,115 | -0.3% |
| 420 | Kenosha County | Wisconsin | 168,448 | 0.0% |
| 421 | Madera County | California | 167,927 | 1.1% |
| 422 | Monroe County | Pennsylvania | 167,179 | 0.2% |
| 423 | Olmsted County | Minnesota | 166,731 | 0.6% |
| 424 | Rock County | Wisconsin | 166,472 | 0.5% |
| 425 | Martin County | Florida | 166,272 | 0.6% |
| 426 | Beaver County | Pennsylvania | 166,032 | 0.2% |
| 427 | Stearns County | Minnesota | 164,110 | 0.6% |
| 428 | Hampshire County | Massachusetts | 164,065 | -0.4% |
| 429 | Sullivan County | Tennessee | 163,759 | 0.6% |
| 430 | Portage County | Ohio | 163,404 | 0.1% |
| 431 | Mesa County | Colorado | 162,845 | 0.9% |
| 432 | Schenectady County | New York | 162,581 | 0.5% |
| 433 | Rankin County | Mississippi | 162,181 | 0.8% |
| 434 | Alexandria city | Virginia | 160,662 | 0.8% |
| 435 | Franklin County | Pennsylvania | 160,652 | 0.7% |
| 436 | Maui County | Hawaii | 160,592 | -1.0% |
| 437 | Rensselaer County | New York | 160,510 | 0.3% |
| 438 | St. Clair County | Michigan | 160,486 | 0.1% |
| 439 | Coweta County | Georgia | 160,240 | 1.3% |
| 440 | Johnson County | Iowa | 160,044 | 0.7% |
| 441 | Sandoval County | New Mexico | 159,565 | 1.2% |
| 442 | Jackson County | Michigan | 159,552 | 0.0% |
| 443 | Scott County | Minnesota | 159,017 | 1.0% |
| 444 | Ouachita Parish | Louisiana | 158,542 | -0.1% |
| 445 | Merrimack County | New Hampshire | 158,078 | 0.3% |
| 446 | Penobscot County | Maine | 157,967 | 0.4% |
| 447 | Sumter County | Florida | 157,772 | 2.3% |
| 448 | Washington County | Maryland | 157,731 | 0.4% |
| 449 | Wright County | Minnesota | 157,559 | 1.9% |
| 450 | Bibb County | Georgia | 157,556 | 0.1% |
3144 ranked entries.