Population
Centennial has an estimated 108,658 residents (Census Bureau, July 2025), the 11th-largest city in Colorado. That is nearly unchanged from the 2020 Census count of 108,418.
King Real Estate Group, LLC
Homes for Sale in Centennial, CO
Centennial is an Arapahoe County city of about 108,700 with top-rated public schools (Niche A+). The typical home value is near $633,000, and about 19% of residents are 65 or older.
City Profile for Centennial, CO
Average Home Prices
The typical home value is about $632,941 (Zillow), and the Census median owner-occupied home value is $658,100.
Average Cost of Living
Centennial's overall cost of living index is about 123.7 where the U.S. average is 100, roughly 24% above the national average. Housing index is 201.3, and a two-bedroom rental averages about $2,170 a month.
Largest Community
A single largest neighborhood has not been confirmed. Southglenn and Castlewood are two of the best-known neighborhoods.
Safety
Niche gives Centennial a B- for crime and safety. For the first half of 2025, the Common Sense Institute counted 48 violent crimes and 494 property crimes per 100,000 residents.
Rankings & Schools
Niche grades Centennial A+ overall. It ranks #6 among Best Suburbs in Colorado and #7 among Best Public Schools in Colorado.
Income & Demographics
Median household income is $131,928, and about 19% of residents are 65 or older.
Work With Us in Centennial
Get a free, no-obligation home valuation or buyer consultation from a local Seniors Real Estate Specialist®.
Senior Living Average Costs in Centennial, CO
| Care Type | Average Local Cost |
|---|---|
| Independent Living | $4,026 / month |
| Assisted Living | $6,395 / month |
| Memory Care | $7,345 / month |
| Nursing Care | $10,159 to $12,182 / month |
Data verified on October 1st, 2026.
Sources:
- • U.S. Census Bureau: Vintage 2025 population estimates, 2020 Census and ACS 2020-2024 figures (https://www.census.gov/data/tables/time-series/demo/popest/2020s-total-cities-and-towns.html)
- • Niche, Best Suburbs in Colorado ranking (https://www.niche.com/places-to-live/search/best-suburbs/s/colorado/)
- • Zillow data, via Stacker Average home prices (https://stacker.com/colorado/denver/cities-most-expensive-homes-denver-metro-area-0)
- • Denver Metro Association of Realtors, via ColoradoBiz (https://coloradobiz.com/denver-metro-housing-market-balanced-buyers-leverage/)
- • Common Sense Institute – Crime statistics (https://www.commonsenseinstituteus.org/colorado/research/crime-and-public-safety/property-and-violent-crime-rates-in-colorados-largest-cities)
Listings are provided through IDX Broker and are subject to availability, MLS rules, and data refresh timing.