| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Marion | 1 | 2,868 | 2,916 | -0.38% | 789 | 4 | City |
Marion is the largest city in Crittenden County, with a population of 2,868.
Marion is the smallest city in Crittenden County, with a population of 2,868.
There is 1 city in Crittenden County, Kentucky.