Holyoke
- County:
- Phillips County
- County Seat:
- Yes
- Area (mi²):
- 2.47
- State:
- Colorado
Holyoke is a city located in Phillips County, Colorado. Holyoke has a 2026 population of 2,296. It is also the county seat of Phillips County. Holyoke is currently declining at a rate of -0.26% annually and its population has decreased by -2.13% since the most recent census, which recorded a population of 2,346 in 2020.