12 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Center | 1 | 6,153 | 6,148 | 0.44% | 169 | 36 | Township |
| Wayne | 2 | 4,617 | 4,619 | 0.33% | 127 | 36 | Township |
| Knox | 3 | 3,621 | 3,666 | -0.25% | 915 | 4 | City |
| Oregon | 4 | 3,299 | 3,262 | 0.61% | 93 | 36 | Township |
| California | 5 | 2,184 | 2,149 | 0.69% | 63 | 35 | Township |
| North Judson | 6 | 1,803 | 1,855 | -0.61% | 1,627 | 1 | Town |
| North Bend | 7 | 1,513 | 1,489 | 0.67% | 43 | 35 | Township |
| Railroad | 8 | 1,233 | 1,217 | 0.74% | 34 | 37 | Township |
| Davis | 9 | 1,005 | 982 | 1.01% | 28 | 36 | Township |
| Hamlet | 10 | 783 | 765 | 0.38% | 811 | 1 | Town |
| Jackson | 11 | 545 | 542 | 0.37% | 25 | 22 | Township |
| Knox | 12 | 454 | 458 | 0.44% | 19 | 24 | Township |
Center is the largest city in Starke County, with a population of 6,153.
Knox is the smallest city in Starke County, with a population of 454.
There are 12 cities in Starke County, Indiana.