Walsenburg
- County:
- Huerfano County
- County Seat:
- Yes
- Area (mi²):
- 2.99
- State:
- Colorado
Walsenburg is a city located in Huerfano County, Colorado. Walsenburg has a 2026 population of 3,035. It is also the county seat of Huerfano County. Walsenburg is currently declining at a rate of -1.49% annually and its population has decreased by -0.39% since the most recent census, which recorded a population of 3,047 in 2020.