Blanca
- County:
- Costilla County
- County Seat:
- No
- Area (mi²):
- 1.833
- State:
- Colorado
Blanca is a town located in Costilla County, Colorado. Blanca has a 2026 population of 342. Blanca is currently growing at a rate of 1.79% annually and its population has increased by 5.88% since the most recent census, which recorded a population of 323 in 2020.