Holly Hills is an unincorporated community and a census-designated place (CDP) located in and governed by Arapahoe County, Colorado, United States. Holly Hills is an enclave of the City and County of Denver. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The population of the Holly Hills CDP was 2,683 at the United States Census 2020. The Denver post office 80222 serves the area.^[4]

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Holly Hills, Colorado
Census Designated Place
A view of Holly Hills.
Location of the Holly Hills CDP in Arapahoe County, Colorado.
Holly Hills Location of the Holly Hills CDP in the United States.
Coordinates: 39°40′04″N 104°55′18″W[1]
Country	United States
State	Colorado
County	Arapahoe County
Government [2]
• Type	unincorporated community
Area [1]
• Total	0.580 sq mi (1.503 km2)
• Land	0.580 sq mi (1.503 km2)
• Water	0.000 sq mi (0.000 km2)
Elevation [2]	5,479 ft (1,670 m)
Population  (2020)[3]
• Total	2,683
• Density	4,600/sq mi (1,800/km2)
Time zone	UTC-7 (MST)
• Summer (DST)	UTC-6 (MDT)
ZIP Code[4]	Denver 80222
Area codes	303 & 720
GNIS feature[2]	Holly Hills CDP

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The Holly Hills CDP has an area of 371 acres (1.503 km²), all land.^[1]

The United States Census Bureau initially defined the Holly Hills CDP for the United States Census 2010.

• Outline of Colorado
  • Index of Colorado-related articles
• State of Colorado
  • Colorado cities and towns
    • Colorado census designated places
  • Colorado counties
    • Arapahoe County, Colorado
  • Colorado metropolitan areas
    • Front Range Urban Corridor
    • North Central Colorado Urban Area
    • Denver-Aurora-Boulder, CO Combined Statistical Area
    • Denver-Aurora-Broomfield, CO Metropolitan Statistical Area