New Castle
- County:
- Craig County
- County Seat:
- Yes
- Area (mi²):
- 0.165
- State:
- Virginia
New Castle is a town located in Craig County, Virginia. New Castle has a 2026 population of 122. It is also the county seat of Craig County. New Castle is currently declining at a rate of 0% annually and its population has decreased by -1.61% since the most recent census, which recorded a population of 124 in 2020.
The median household income in New Castle is $77,083 with a poverty rate of 7.97%. The median age in New Castle is 29.3 years: 37.5 years for males, and 28.7 years for females. For every 100 females there are 48.4 males.