Cost of living in Centennial, Colorado

Centennial, Colorado has about 108,201 people. That count is a 2020–2024 Census average, not a headcount from one day.

A typical home is worth about $658,100.

HUD's fair-market rent for a 2-bedroom in Arapahoe County is $2,169 a month. That is the county number, not an apartment listing in Centennial. It runs from October 2026 through September 2027.

In the Denver-Aurora-Centennial, CO metro area, prices sit at 105.8 when the U.S. average is 100. That is a 2024 BEA index.

Colorado taxes wages. A typical combined sales tax is 7.9% as of January 1, 2026. That mix is statewide, not Centennial's exact store tax.

In July 2026, a typical Colorado home paid 17.00¢ per kilowatt-hour. That is a state average from EIA, not Centennial's bill.

For the week of October 12, 2026, EIA's all-grades gasoline price in Colorado was $4.327 a gallon. At 12,000 miles a year and 25 mpg, the index counts that as $2,076.96 a year. Those miles are our standard, not a Census figure, and every town in Colorado shares this price.

Among 201 places we list in Colorado with a rent figure, 32 have higher typical rent than Centennial.