| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bowling Green | 1 | 4,578 | 4,003 | 2.37% | 1,702 | 3 | City |
| Louisiana | 2 | 3,217 | 3,201 | 0.28% | 1,026 | 3 | City |
| Eolia | 3 | 483 | 480 | 0.21% | 396 | 1 | Village |
| Clarksville | 4 | 378 | 375 | 0.27% | 651 | 1 | City |
| Frankford | 5 | 337 | 337 | 0% | 769 | 0 | City |
| Curryville | 6 | 202 | 198 | 0.5% | 737 | 0 | City |
| Paynesville | 7 | 65 | 64 | 0% | 247 | 0 | Village |
| Annada | 8 | 13 | 12 | 0% | 213 | 0 | Village |
Bowling Green is the largest city in Pike County, with a population of 4,578.
Annada is the smallest city in Pike County, with a population of 13.
There are 8 cities in Pike County, Missouri.