8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lebanon | 1 | 15,667 | 15,015 | 0.83% | 1,070 | 15 | City |
| Lebanon | 2 | 15,667 | 15,022 | 0.83% | 1,070 | 15 | City |
| Conway | 3 | 734 | 732 | 0% | 403 | 2 | City |
| Conway | 4 | 734 | 732 | 0% | 403 | 2 | City |
| Stoutland | 5 | 214 | 209 | 0.47% | 354 | 1 | City |
| Stoutland | 6 | 214 | 209 | 0.47% | 354 | 1 | City |
| Phillipsburg | 7 | 166 | 165 | 0% | 208 | 1 | Village |
| Phillipsburg | 8 | 166 | 165 | 0% | 208 | 1 | Village |
Lebanon is the largest city in Laclede County, with a population of 15,667.
Phillipsburg is the smallest city in Laclede County, with a population of 166.
There are 8 cities in Laclede County, Missouri.