4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lancaster | 1 | 681 | 670 | 0.29% | 458 | 1 | City |
| Queen City | 2 | 559 | 551 | 0.18% | 543 | 1 | City |
| Downing | 3 | 307 | 300 | 0.33% | 466 | 1 | City |
| Glenwood | 4 | 182 | 179 | 0% | 247 | 1 | Village |
Lancaster is the largest city in Schuyler County, with a population of 681.
Glenwood is the smallest city in Schuyler County, with a population of 182.
There are 4 cities in Schuyler County, Missouri.