Holyoke, CO has a population of 2,314 and is the 10,234th largest city in the United States. The population density is 978 per sq mi which is 1865% higher than the Colorado average and 980% higher than the national average. The median age in Holyoke is 35 which is approximately 4% lower than the Colorado average of 36. In Holyoke, 65% of the population over 15 years of age are married, 70% speak English and 30% speak Spanish. 54% of Holyoke residents were born in Colorado, 28% were born out of state, 1% were born outside of the United States and 16% were foreign born.