4 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Columbia City | 1 | 10,294 | 9,966 | 0.54% | 1,875 | 5 | City |
| South Whitley | 2 | 1,862 | 1,823 | 0.38% | 2,185 | 1 | Town |
| Churubusco | 3 | 1,849 | 1,872 | -0.22% | 1,756 | 1 | Town |
| Larwill | 4 | 277 | 273 | 0.36% | 1,547 | 0 | Town |
Columbia City is the largest city in Whitley County, with a population of 10,294.
Larwill is the smallest city in Whitley County, with a population of 277.
There are 4 cities in Whitley County, Indiana.