4 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lebanon | 1 | 15,796 | 15,022 | 0.82% | 1,079 | 15 | City |
| Conway | 2 | 735 | 732 | 0.14% | 403 | 2 | City |
| Stoutland | 3 | 215 | 209 | 0.47% | 356 | 1 | City |
| Phillipsburg | 4 | 166 | 165 | 0% | 208 | 1 | Village |
Lebanon is the largest city in Laclede County, with a population of 15,796.
Phillipsburg is the smallest city in Laclede County, with a population of 166.
There are 4 cities in Laclede County, Missouri.