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Why these 20
City population from Wikidata's preferred figure (usually the latest census or official estimate). City limits differ a lot between countries, so compare within a country first.
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1
Denver
consolidated city-county and capital of the U.S. state of Colorado
715,522 · 🇺🇸 United States
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2
Colorado Springs
city in and county seat of El Paso County, Colorado, United States
478,961 · 🇺🇸 United States
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3
Aurora
city in Arapahoe, Adams, and Douglas counties, Colorado, United States
386,261 · 🇺🇸 United States
How it is measured
Wikidata: cities and big cities with 300,000 people or more.
References
- Wikidata query: cities by population, Wikidata (CC0). Checked 2026-10-19 23:23 UTC.
Colorado: more top 20s here
Also in
Photo: Shinjuku skyline, Tokyo - Sony A7R (11831328835) by Luke Ma from Taipei, Taiwan ROC, CC BY 2.0 via Wikimedia Commons. Pictures in rows: Wikimedia Commons, GitHub and the linked pages.