Hello how may I help you? can you tell me what the life expectancy in Denver is The life expectancy in Denver, Colorado is approximately 80 years old. is that for males of females? It is for both genders at an average. is this higher than other cities I do not have information for that at this time. why is the life expectancy so high in denver? This is due to a more laid back life style with less stress than most cities. Sounds great Yes, living in Denver would be a wonderful time for your nerves.