| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Huntington | 1 | 17,178 | 17,015 | 0.06% | 1,819 | 9 | City |
| Roanoke | 2 | 1,818 | 1,765 | 0.39% | 1,468 | 1 | Town |
| Warren | 3 | 1,213 | 1,180 | 0.33% | 1,120 | 1 | Town |
| Andrews | 4 | 1,065 | 1,043 | 0.28% | 1,680 | 1 | Town |
| Mount Etna | 5 | 114 | 112 | 0% | 974 | 0 | Town |
Huntington is the largest city in Huntington County, with a population of 17,178.
Mount Etna is the smallest city in Huntington County, with a population of 114.
There are 5 cities in Huntington County, Indiana.