4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lancaster | 1 | 681 | 671 | 0.29% | 458 | 1.49 | City |
| Queen City | 2 | 563 | 552 | 0.36% | 547 | 1.03 | City |
| Downing | 3 | 302 | 297 | 0.33% | 458 | 0.66 | City |
| Glenwood | 4 | 184 | 179 | 0.55% | 249 | 0.74 | Village |
Lancaster is the largest city in Schuyler County, with a population of 681.
Glenwood is the smallest city in Schuyler County.
There are 4 cities in Schuyler County, Missouri.