18 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Appleton | 1 | 74,061 | 75,705 | -0.44% | 2,924 | 25.33 | City |
| Fox Crossing | 2 | 18,905 | 19,010 | -0.11% | 1,496 | 12.64 | Village |
| Kaukauna | 3 | 17,746 | 17,113 | 0.72% | 2,215 | 8.01 | City |
| Greenville | 4 | 13,658 | 12,728 | 1.38% | 382 | 35.72 | Village |
| Little Chute | 5 | 12,538 | 11,638 | 1.46% | 1,942 | 6.46 | Village |
| Kimberly | 6 | 7,824 | 7,328 | 1.28% | 3,405 | 2.30 | Village |
| Combined Locks | 7 | 3,665 | 3,637 | 0.16% | 2,135 | 1.72 | Village |
| Hortonville | 8 | 3,577 | 3,044 | 3.08% | 1,055 | 3.39 | Village |
| Seymour | 9 | 3,493 | 3,547 | -0.31% | 1,252 | 2.79 | City |
| Seymour | 10 | 1,340 | 1,392 | -0.45% | 570 | 2.35 | CDP |
| Black Creek | 11 | 1,328 | 1,360 | -0.45% | 1,332 | 1 | Village |
| Shiocton | 12 | 937 | 942 | -0.11% | 599 | 1.56 | Village |
| Dale | 13 | 670 | 725 | 1.36% | 449 | 1.49 | CDP |
| Bear Creek | 14 | 417 | 427 | -0.48% | 452 | 0.92 | Village |
| Northport | 15 | 410 | 459 | -1.2% | 237 | 1.73 | CDP |
| Nichols | 16 | 283 | 287 | -0.35% | 320 | 0.89 | Village |
| Navarino | 17 | 133 | 154 | -2.21% | 119 | 1.11 | CDP |
| Tustin | 18 | 120 | 103 | 0.84% | 117 | 1.03 | CDP |
Appleton is the largest city in Outagamie County, with a population of 74,061.
Tustin is the smallest city in Outagamie County.
There are 18 cities in Outagamie County, Wisconsin.