
Castle Valley
- County:
- Grand County
- County Seat:
- No
- Area (mi²):
- 8.79
- State:
- Utah
Castle Valley is a town located in Grand County, Utah. Castle Valley has a 2025 population of 371. Castle Valley is currently growing at a rate of 1.37% annually and its population has increased by 6.61% since the most recent census, which recorded a population of 348 in 2020.
The average household income in Castle Valley is $80,943 with a poverty rate of 2.87%. The median age in Castle Valley is 68.9 years: 68.3 years for males, and 69.6 years for females.