| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Marshfield | 1 | 19,008 | 18,951 | 0.15% | 1,377 | 14 | City |
| Wisconsin Rapids | 2 | 18,631 | 18,855 | -0.12% | 1,341 | 14 | City |
| Nekoosa | 3 | 2,394 | 2,444 | -0.33% | 707 | 3 | City |
| Port Edwards | 4 | 1,758 | 1,779 | -0.17% | 294 | 6 | Village |
| Pittsville | 5 | 819 | 815 | -0.12% | 412 | 2 | City |
| Hewitt | 6 | 799 | 795 | 0.13% | 858 | 1 | Village |
| Auburndale | 7 | 730 | 702 | 0.83% | 352 | 2 | Village |
| Vesper | 8 | 533 | 518 | 0.38% | 461 | 1 | Village |
| Rudolph | 9 | 427 | 436 | -0.47% | 355 | 1 | Village |
| Arpin | 10 | 296 | 300 | -0.34% | 360 | 1 | Village |
| Milladore | 11 | 262 | 267 | -0.38% | 263 | 1 | Village |
Marshfield is the largest city in Wood County, with a population of 19,008.
Milladore is the smallest city in Wood County, with a population of 262.
There are 11 cities in Wood County, Wisconsin.