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 |
|---|---|---|---|
| 3201 | Clark County | Idaho | 776 |
| 3202 | Treasure County | Montana | 761 |
| 3203 | Harding County | New Mexico | 748 |
| 3204 | Daggett County | Utah | 747 |
| 3205 | Kent County | Texas | 727 |
| 3206 | Borden County | Texas | 723 |
| 3207 | Grant County | Nebraska | 695 |
| 3208 | San Juan County | Colorado | 690 |
| 3209 | Banner County | Nebraska | 657 |
| 3210 | Thomas County | Nebraska | 626 |
| 3211 | McMullen County | Texas | 623 |
| 3212 | Hooker County | Nebraska | 613 |
| 3213 | Loup County | Nebraska | 564 |
| 3214 | Arthur County | Nebraska | 540 |
| 3215 | Yakutat City and Borough | Alaska | 506 |
| 3216 | McPherson County | Nebraska | 463 |
| 3217 | Petroleum County | Montana | 401 |
| 3218 | Blaine County | Nebraska | 385 |
| 3219 | King County | Texas | 189 |
| 3220 | Loving County | Texas | 54 |
| 3221 | Kenedy County | Texas | 52 |
| 3222 | Kalawao County | Hawaii | 43 |
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.