Centennial Flag

Centennial

County:
Arapahoe County
County Seat:
No
Area (mi²):
30.156
State:
Colorado

Centennial is a city located in Arapahoe County, Colorado. Centennial has a 2025 population of 106,007. Centennial is currently declining at a rate of -0.41% annually and its population has decreased by -2.02% since the most recent census, which recorded a population of 108,196 in 2020.

The average household income in Centennial is $163,429 with a poverty rate of 3.15%.The median age in Centennial is 41.8 years: 40.4 years for males, and 43 years for females.

106K
Total Population
3,515
Density (mi²)
-438 -0.41%
Growth

Centennial Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)