Centennial is a city located in Arapahoe County, Colorado. With a 2020 population of 112,151, it is the 10th largest city in Colorado and the 272nd largest city in the United States. Centennial is currently growing at a rate of 0.59% annually and its population has increased by 11.73% since the most recent census, which recorded a population of 100,377 in 2010. Spanning over 30 miles, Centennial has a population density of 3,792 people per square mile.
The average household income in Centennial is $128,624 with a poverty rate of 3.67%. The median rental costs in recent years comes to $1,679 per month, and the median house value is $398,700. The median age in Centennial is 41.2 years, 39.4 years for males, and 42.7 years for females. For every 100 females there are 100.4 males.