
Williamsburg
- County:
- Sierra County
- County Seat:
- No
- Area (mi²):
- 0.486
- State:
- New Mexico
Williamsburg is a village located in Sierra County, New Mexico. Williamsburg has a 2025 population of 462. Williamsburg is currently declining at a rate of 0% annually and its population has decreased by -0.43% since the most recent census, which recorded a population of 464 in 2020.
The average household income in Williamsburg is $42,287 with a poverty rate of 21.87%. The median age in Williamsburg is 54 years: 56.2 years for males, and 46.5 years for females.