3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Warrenton | 1 | 10,312 | 10,048 | 0.43% | 2,354 | 4 | Town |
| Remington | 2 | 655 | 618 | 0.92% | 2,991 | 0 | Town |
| The Plains | 3 | 259 | 247 | 0.78% | 938 | 0 | Town |
Warrenton is the largest city in Fauquier County, with a population of 10,312.
The Plains is the smallest city in Fauquier County, with a population of 259.
There are 3 cities in Fauquier County, Virginia.