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 |
|---|---|---|---|
| 426 | Jackson County | Michigan | 160,187 |
| 427 | St. Clair County | Michigan | 160,089 |
| 428 | Sullivan County | Tennessee | 159,693 |
| 429 | Columbia County | Georgia | 159,638 |
| 430 | Schenectady County | New York | 159,603 |
| 431 | Stearns County | Minnesota | 159,358 |
| 432 | Ouachita Parish | Louisiana | 158,916 |
| 433 | Madera County | California | 158,790 |
| 434 | Citrus County | Florida | 158,693 |
| 435 | Rankin County | Mississippi | 158,218 |
| 436 | Parker County | Texas | 158,079 |
| 437 | Centre County | Pennsylvania | 158,041 |
| 438 | Mesa County | Colorado | 157,316 |
| 439 | Alexandria city | Virginia | 156,788 |
| 440 | Franklin County | Pennsylvania | 156,626 |
| 441 | Hampshire County | Massachusetts | 156,595 |
| 442 | Bibb County | Georgia | 156,543 |
| 443 | Santa Fe County | New Mexico | 155,175 |
| 444 | Washington County | Maryland | 155,033 |
| 445 | Merrimack County | New Hampshire | 155,018 |
| 446 | Monroe County | Michigan | 155,001 |
| 447 | Johnson County | Iowa | 154,881 |
| 448 | Wilson County | Tennessee | 153,587 |
| 449 | Penobscot County | Maine | 153,571 |
| 450 | Berrien County | Michigan | 153,411 |
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.