2 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Colonial Beach | 1 | 4,105 | 3,904 | 0.84% | 1,677 | 2 | Town |
| Montross | 2 | 352 | 334 | 0.86% | 341 | 1 | Town |
Colonial Beach is the largest city in Westmoreland County, with a population of 4,105.
Montross is the smallest city in Westmoreland County, with a population of 352.
There are 2 cities in Westmoreland County, Virginia.