2 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Colonial Beach | 1 | 4,063 | 3,913 | 0.74% | 1,660 | 2.45 | Town |
| Montross | 2 | 344 | 333 | 0.58% | 334 | 1.03 | Town |
Colonial Beach is the largest city in Westmoreland County, with a population of 4,063.
Montross is the smallest city in Westmoreland County.
There are 2 cities in Westmoreland County, Virginia.