23 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Thornapple township | 1 | 9,742 | 9,358 | 0.85% | 276 | 35.28 | Township |
| Hastings | 2 | 7,505 | 7,522 | -0.04% | 1,440 | 5.21 | City |
| Yankee Springs township | 3 | 5,520 | 5,342 | 0.71% | 178 | 31.07 | Township |
| Middleville | 4 | 4,510 | 4,295 | 0.96% | 1,846 | 2.44 | Village |
| Rutland charter township | 5 | 4,315 | 4,146 | 0.84% | 123 | 35.02 | Township |
| Irving township | 6 | 3,875 | 3,746 | 0.57% | 108 | 35.76 | Township |
| Orangeville township | 7 | 3,563 | 3,410 | 0.82% | 107 | 33.43 | Township |
| Barry township | 8 | 3,530 | 3,424 | 0.51% | 103 | 34.42 | Township |
| Castleton township | 9 | 3,498 | 3,338 | 0.89% | 100 | 34.97 | Township |
| Prairieville township | 10 | 3,451 | 3,343 | 0.73% | 105 | 32.80 | Township |
| Hastings charter township | 11 | 3,124 | 3,025 | 0.55% | 104 | 30.02 | Township |
| Johnstown township | 12 | 2,954 | 2,850 | 0.65% | 85 | 34.95 | Township |
| Carlton township | 13 | 2,457 | 2,373 | 0.61% | 70 | 35.13 | Township |
| Woodland township | 14 | 2,081 | 2,002 | 0.73% | 59 | 35.38 | Township |
| Assyria township | 15 | 2,071 | 2,004 | 0.53% | 58 | 35.87 | Township |
| Baltimore township | 16 | 2,027 | 1,951 | 0.65% | 57 | 35.41 | Township |
| Maple Grove township | 17 | 1,649 | 1,599 | 0.49% | 46 | 35.89 | Township |
| Nashville | 18 | 1,633 | 1,578 | 0.68% | 775 | 2.11 | Village |
| Freeport | 19 | 556 | 540 | 0.54% | 704 | 0.79 | Village |
| Delton | 20 | 484 | 596 | -5.1% | 219 | 2.21 | CDP |
| Woodland | 21 | 430 | 414 | 0.7% | 507 | 0.85 | Village |
| Dowling | 22 | 318 | 399 | -1.24% | 52 | 6.08 | CDP |
| Hickory Corners | 23 | 113 | 161 | -11.02% | 55 | 2.07 | CDP |
Thornapple township is the largest city in Barry County, with a population of 9,742.
Hickory Corners is the smallest city in Barry County.
There are 23 cities in Barry County, Michigan.