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 |
|---|---|---|---|
| 2976 | Sharkey County | Mississippi | 3,848 |
| 2977 | Sargent County | North Dakota | 3,822 |
| 2978 | Lake of the Woods County | Minnesota | 3,800 |
| 2979 | Sioux County | North Dakota | 3,789 |
| 2980 | Knox County | Missouri | 3,760 |
| 2981 | Pope County | Illinois | 3,757 |
| 2982 | Ellis County | Oklahoma | 3,717 |
| 2983 | Lyman County | South Dakota | 3,717 |
| 2984 | Sweet Grass County | Montana | 3,713 |
| 2985 | Echols County | Georgia | 3,705 |
| 2986 | Haskell County | Kansas | 3,695 |
| 2987 | Catron County | New Mexico | 3,685 |
| 2988 | Sheridan County | Montana | 3,677 |
| 2989 | Cavalier County | North Dakota | 3,663 |
| 2990 | Fisher County | Texas | 3,661 |
| 2991 | Lewis County | Idaho | 3,649 |
| 2992 | Adams County | Iowa | 3,641 |
| 2993 | Chase County | Nebraska | 3,639 |
| 2994 | Hardin County | Illinois | 3,623 |
| 2995 | Norton city | Virginia | 3,620 |
| 2996 | Smith County | Kansas | 3,579 |
| 2997 | Costilla County | Colorado | 3,571 |
| 2998 | Hardeman County | Texas | 3,529 |
| 2999 | Mercer County | Missouri | 3,501 |
| 3000 | Osborne County | Kansas | 3,473 |
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.