RoadsideThoughts
A Gazetteer for the United States and Canada
Home >> State of Colorado >> Arapahoe County >> CentennialIndex...










Learn About
The Commemorative
Quarter for
Colorado


The Commemorative Quarter for Colorado







Welcome to Centennial ...

The city of Centennial is located in Arapahoe County<1>.

While we don't have a date for the founding of Centennial, you might get a feel for its founding by knowing that they incorporated February 7, 2001.

From the  Census Estimates for 2019, Centennial has a population of 111,121 people<2> (see below for details).

Centennial is 5,730 feet [1,747 m] above sea level.<3> In other words, the elevation of Centennial is about 1 mile [or 1¾ km] above sea level.

Time Zone: Centennial lies in the Mountain Time Zone (MST/MDT) and observes daylight saving time

Area Codes for Centennial: 303 & 720<4>

Population Details ...

Taken from the 2019 Census Estimates, Centennial had an population of 111,121 people. This is an increase of 10.7% since the 2010 Census (or an increase of 8.32% since the 2000 Census).

At the time of the 2010 Census, Centennial had a population of 100,377 people (or 17.46% of the total population of Arapahoe County). This makes Centennial the county's 2nd most populous community.

The population of Centennial represents 2% of the total population of Colorado (which has 5,029,196 people), making it the state's 10th most populous community.

With a 2010 count of 100,377 people, the population of Centennial decreased 2.15% from the 2000 Census (with a count of 102,586 people).

More information can be found on the Census Page for Centennial.

Communities Also Named Centennial ...

Using our Gazetteer, we found that there are 17 communities that are also named Centennial - they are located in Arizona, Georgia, Indiana, Kansas, Maryland, Michigan, Montana (2), Nova Scotia, Ohio, Ontario, Oregon, Pennsylvania (2), Texas, West Virginia and Wyoming.

For more information, see our Tidbits & Trivia Page for Centennial.

Websites for Centennial ...

Official Website: www.centennialcolorado.com/

Communities near Centennial ...

We have created a list of 10 communities that are near Centennial.

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around Centennial. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Centennial.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Centennial. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Centennial.

We also have a detailed list of newspapers that have been published in the area around Centennial. See our Newspapers Page for Centennial.

TripAdvisor Tourism Pages for Centennial ...

Looking for more information about Centennial? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

In addition to the Tourism page for Centennial, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Centennial.

The official website for Centennial: www.centennialcolorado.com/

The official website for Arapahoe County: www.co.arapahoe.co.us/

The official website for State of Colorado: https://www.colorado.gov/

Footnotes ...

<1>If you're interested in how the shape of Colorado's counties, including Arapahoe, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Centennial.
<3>The elevation is an estimate for the area around Centennial - it will be higher in some places and lower in others.
<4>When there's a risk of an area code running out of phone numbers, an 'Overlay Area Code' is created that has the same geographic boundaries as the existing area code. In this case, the 303 code has been Overlayed with the 720 area code. New phone numbers in the Centennial area will be assigned with one of these codes: 303 or 720. As a result, placing a call in the Centennial area will require 10-digit dialing (where you enter both the area code and then the phone number).
<5>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<6>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.









 

Copyright 2025
All Rights Reserved

Thank you for visiting our website.

In closing, please keep in mind that we can not guarantee the accuracy or timeliness of the information on this website, so use with care. We encourage you to double-check the information that is critical to you.

If you've found an error or have additional information that you would like to share, please don't hesitate to write: Click here to contact us.

This page was last modified/updated: 28 Apr 2025