Hello how may I help you? what is the average life expectancy in Denver? The average life expectancy in Denver, CO is 83 years old. is that higher or lower than the national average? Higher. is the life expectancy in Denver higher for males or females? It is higher for females. what's the average life expectancy for a female in Denver? 84 years old. great, thank you for the info! No problem. Have a great day!