| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Cadiz | 1 | 2,818 | 2,577 | 1.7% | 940 | 3 | City |
Cadiz is the largest city in Trigg County, with a population of 2,818.
Cadiz is the smallest city in Trigg County, with a population of 2,818.
There is 1 city in Trigg County, Kentucky.