US Census Bureau · ACS 2023
Every US county ranked by total population, from largest to smallest, based on the Census Bureau ACS 5-Year Estimates.
| # | County | State | Population |
|---|---|---|---|
| 501 | Washington County | Rhode Island | 130,073 |
| 502 | Wichita County | Texas | 129,842 |
| 503 | Linn County | Oregon | 129,794 |
| 504 | Hunterdon County | New Jersey | 129,448 |
| 505 | Clarke County | Georgia | 129,267 |
| 506 | Bossier Parish | Louisiana | 129,134 |
| 507 | Ascension Parish | Louisiana | 128,593 |
| 508 | Rapides Parish | Louisiana | 128,470 |
| 509 | Sebastian County | Arkansas | 128,448 |
| 510 | Berkshire County | Massachusetts | 128,047 |
| 511 | Bonneville County | Idaho | 127,056 |
| 512 | Fayette County | Pennsylvania | 126,967 |
| 513 | Chautauqua County | New York | 126,329 |
| 514 | Caguas Municipio | Puerto Rico | 126,239 |
| 515 | Berkeley County | West Virginia | 126,165 |
| 516 | Faulkner County | Arkansas | 126,001 |
| 517 | Saline County | Arkansas | 125,724 |
| 518 | Kennebec County | Maine | 125,614 |
| 519 | Cochise County | Arizona | 125,458 |
| 520 | Richland County | Ohio | 125,138 |
| 521 | Gregg County | Texas | 124,860 |
| 522 | Morgan County | Alabama | 123,742 |
| 523 | Jasper County | Missouri | 123,532 |
| 524 | Clark County | Indiana | 122,800 |
| 525 | Gallatin County | Montana | 122,194 |
Data from the US Census Bureau American Community Survey (ACS) 5-Year Estimates, 2019–2023. Rankings include all counties, county equivalents, and independent cities in the United States. Click any county to see its full profile.