Vote Clock

Where to vote in Centennial, Colorado on November 3, 2026

Map of Colorado with Arapahoe County, home to Centennial, highlighted
Arapahoe County, Colorado, home to Centennial. Map: U.S. Census Bureau boundaries.

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Centennial is in Arapahoe County. Centennial has about 108,658 people, by the U.S. Census Bureau's 2025 estimate, which also gives its county lines.

Centennial vote centers and ballot drop boxes (11)

Colorado mails every active voter a ballot. Return it to any 24-hour drop box by 7 p.m. on Election Day, November 3, or vote in person at any Voter Service and Polling Center (VSPC). VSPCs are closed Oct. 24, Oct. 25 and Nov. 1.

The places with a Centennial address, from the Arapahoe County Elections, Voter Service & Polling Centers and the Ballot Drop Locations page, checked October 16, 2026. Hours can change, so check before you go.

Arapahoe County election office

Arapahoe County Clerk and Recorder

Office: 5334 S. Prince St., Littleton, CO 80120

Phone: 303-795-4511

Website: arapahoevotes.gov

Directions

Check your registration and find your polling place at GoVoteColorado.gov, the state's voter site.

Colorado voting dates for Centennial voters

DateWhat
Fri, Oct 2 StartedBallots start going out source
Mon, Oct 19Voter service centers open source
Mon, Oct 26Register and still get a mail ballot source
Tue, Nov 3, 7:00 PMElection Day: polling centers open 7:00 a.m. to 7:00 p.m. source
Tue, Nov 3, 7:00 PMRegister and vote in person source
Tue, Nov 3, 7:00 PMReturn your ballot source

Centennial voting questions

How do I vote in Centennial?

Colorado mails every registered voter a ballot. Return it by mail or to a ballot drop box, or get help at a vote center (11 vote centers and ballot drop boxes on this page). Enter your address on the Colorado page to find the nearest.

Where can I vote in person in Centennial?

At the 11 vote centers and ballot drop boxes on this page, from Arapahoe County's official list. Colorado mails every active voter a ballot. Return it to any 24-hour drop box by 7 p.m. on Election Day, November 3, or vote in person at any Voter Service and Polling Center (VSPC). VSPCs are closed Oct. 24, Oct. 25 and Nov. 1.

What is the phone number of the election office for Centennial?

303-795-4511, the Arapahoe County Clerk and Recorder, 5334 S. Prince St., Littleton, CO 80120.

Which county runs elections in Centennial?

Arapahoe County. Centennial voters register and vote with Arapahoe County.

More for Centennial voters

Other big cities in Colorado: Denver, Colorado Springs, Aurora, Fort Collins, Lakewood, Thornton, Arvada, Westminster, Greeley, Pueblo, Boulder, Longmont.

Office details are from the Colorado Secretary of State, Roster of County Clerks and Recorders (checked October 14, 2026). Dates are Colorado's, each linked to its source. Call the office before you go; city population and county lines are from the U.S. Census Bureau.