6 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Greenfield | 1 | 27,626 | 23,552 | 2.52% | 1,942 | 14 | City |
| Cumberland | 2 | 7,826 | 5,980 | 4.1% | 2,464 | 3 | Town |
| Fortville | 3 | 4,986 | 4,809 | 0.61% | 1,382 | 4 | Town |
| New Palestine | 4 | 4,041 | 2,781 | 5.48% | 1,987 | 2 | Town |
| Wilkinson | 5 | 414 | 426 | -0.48% | 2,060 | 0 | Town |
| Spring Lake | 6 | 217 | 211 | 0.46% | 1,418 | 0 | Town |
Greenfield is the largest city in Hancock County, with a population of 27,626.
Spring Lake is the smallest city in Hancock County, with a population of 217.
There are 6 cities in Hancock County, Indiana.