Living in Centennial, CO

Arapahoe County

Centennial's identity starts with a real, specific, and unusually well-documented incorporation story rather than a generic "newer suburb" claim. The city incorporated on February 7, 2001 -- cited as the largest incorporation of its kind in US history -- following a September 12, 2000 vote approved by 77% of participating voters, formed from unincorporated Arapahoe County territory including the former Castlewood and Southglenn areas. The real, documented motive was largely defensive: incorporation headed off further annexation of that territory by the neighboring City of Greenwood Village, with Colorado House Bill 1099 clearing the legal path. A quarter-century later, Centennial is genuinely more affluent than Arvada and Westminster (also built in this batch): median household income is cited at $102,000-$114,375 depending on source, against Arvada's $117,348 and Westminster's $100,272-$102,456 -- Centennial and Arvada run close on some readings, but Centennial's higher-end figure and its Denver Tech Center/Southeast submarket context (average household incomes north of $140,000 in that specific office submarket) point toward genuinely greater affluence overall. Centennial hosts two real, verifiable corporate headquarters -- Arrow Electronics (a Fortune 500 company, ~2,170 local employees) and United Launch Alliance (~1,300 local employees) -- distinct from the vaguer "DTC-adjacent" framing sometimes applied to this area; Charles Schwab's often-cited campus, by contrast, actually sits in neighboring Lone Tree, a distinction worth stating precisely. Schools split genuinely by geography: Cherry Creek School District No. 5 serves eastern Centennial (Arapahoe and Smoky Hill high schools) while Littleton Public Schools serves the western part (Heritage High School), both real, separately well-regarded districts. Three RTD light rail stations (Dry Creek, County Line, Arapahoe at Village Center) give Centennial real, if partial, transit access along I-25 into Denver and the Tech Center, though most of the city outside those station areas remains car-dependent. Housing runs in a real $600K-$641K band as of mid-2026, with one source noting home values down 1.8% year-over-year -- a real, disclosed softening rather than continued appreciation. Crime data genuinely diverges here, in the same spirit as other disclosed disagreements in this dataset: NeighborhoodScout reads Centennial as comparatively safe (24.93 per 1,000 versus a 33.37 national average, though its own property-crime rate runs modestly above the national average), while CrimeGrade assigns a D grade and an 18th-percentile safety ranking -- both disclosed rather than resolved. Notably, Arapahoe County's own unemployment rate (5.0%, 2026) runs above both the statewide rate and Jefferson County's -- a real tension against the area's high household income, disclosed honestly rather than smoothed over. Centennial's sales tax structure is also genuinely distinct: at 6.75% combined, it runs meaningfully lower than Arvada's or Westminster's, and unlike those two home-rule cities, Centennial's sales tax is state-collected rather than self-administered. Like the rest of the Front Range, Centennial carries Hail Alley homeowners-insurance exposure and Colorado's flat 4.40% state income tax (2026) -- not a hurricane or coastal-storm risk profile, and not the extreme-heat profile of the Arizona desert markets built elsewhere in this dataset.

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Housing

Median sale price$600,000

Taxes

Local effective property tax rateNot yet verified

Not independently sourced at the Arapahoe County level this session. Colorado's top state income tax rate is 4.40%. See the Colorado hub page for the statewide property tax context -- do not treat that figure as Centennial-specific.

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The tradeoffs

Pros

Genuinely more affluent than Arvada and Westminster on average, with median household income cited as high as $114,375 (roughly 39% above the Colorado average); two real, verifiable Fortune-500-class corporate headquarters based directly in the city (Arrow Electronics, United Launch Alliance); a comparatively low 6.75% combined sales tax, meaningfully below Arvada's and Westminster's rates; real light rail access via three RTD stations along the I-25/Southeast corridor into Denver and the Tech Center; two real, separately top-ranked school districts (Cherry Creek and Littleton) depending on which side of the city an address falls on; a distinctive, well-documented incorporation origin story (2001, 77% voter approval, explicitly to prevent Greenwood Village annexation) that gives Centennial a genuinely different civic identity than an organically-grown suburb.

Cons

Housing runs expensive ($600K-$641K as of mid-2026), with one source noting a real 1.8% year-over-year value decline rather than continued appreciation; crime-data sources genuinely disagree here (NeighborhoodScout reads Centennial as comparatively safe overall, though its own property-crime rate runs above the national average, while CrimeGrade assigns a D grade and an 18th-percentile safety ranking) -- a real, disclosed split rather than a settled verdict; Arapahoe County's own unemployment rate (5.0%, 2026) runs notably above both the statewide rate and neighboring Jefferson County's, a real tension against the area's high household-income figures; population has modestly declined rather than grown since the 2020 Census (108,418 down to a 2026 estimate of 107,409), consistent with Colorado's broader 2025 shift toward net-negative domestic migration; schools require confirming which of two separate districts (Cherry Creek vs. Littleton) applies to a specific address; most of the city outside its three light rail station areas remains car-dependent; Colorado levies a real, flat 4.40% state income tax (2026), unlike the no-income-tax states built earlier in this dataset.

Who this fits

Best for: Higher-income families and professionals who want genuine, real corporate-headquarters-driven employment access (Arrow Electronics, United Launch Alliance) plus real light rail into the Denver Tech Center and downtown Denver, strong school options on either Cherry Creek's or Littleton's side of the city, and a distinctly lower combined sales tax than the other two Denver-metro suburbs built alongside this record.

Maybe not for you if: Buyers seeking the most affordable option among this dataset's three Colorado Tier A suburbs should weigh Centennial's genuinely higher household-income profile against its comparably expensive, recently softening housing market; anyone assuming a uniformly tight Denver-metro labor market should note Arapahoe County's own unemployment rate runs above both the state and Jefferson County figures documented for Arvada and Westminster in this same batch.

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Last reviewed: 2026-08-24. Independent research; see individual metric entries above for source attribution. This is not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.