Denver–Aurora–Greeley combined statistical area
Denver-Aurora-Greeley, CO Combined Statistical Area | |
|---|---|
 Skyline of Downtown Denver | |
 | |
| Country |  United States |
| State |  Colorado |
| Most populous city | - Denver |
| Other cities | |
| Time zone | UTC−07:00 (MST) |
| • Summer (DST) | UTC−06:00 (MDT) |
On July 21, 2023, the United States Office of Management and Budget defined the 12-county Denver-Aurora-Greeley, CO Combined Statistical Area as comprising the ten-county Denver–Aurora–Centennial, CO Metropolitan Statistical Area, the single-county Boulder, CO Metropolitan Statistical Area, and the single-county Greeley, CO Metropolitan Statistical Area.[1] The United States Census Bureau estimates that the population was 3,752,505 as of July 1, 2024, an increase of +3.56% since the 2020 United States Census, and ranking as the 17th most populous combined statistical area and the 19th most populous primary statistical area of the United States.[a]
Counties
The Denver-Aurora-Greeley, CO Combined Statistical Area (CSA) comprises the Denver-Aurora-Centennial, CO Metropolitan Statistical Area, the Boulder, CO Metropolitan Statistical Area, and the Greeley, CO Metropolitan Statistical Area. The table below includes the following information:
- The name of the constituent Core Based Statistical Area (CBSA).
- The population of the CBSA as of April 1, 2020, as enumerated by the 2020 United States census.
- The official name of the county.
- The county population as of April 1, 2010, as enumerated by the 2010 United States census.
- The county population as of April 1, 2020, as enumerated by the 2020 United States census.
- The percent population change between April 1, 2010, to April 1, 2020.
| Core Based Statistical Area | 2020 Census | County | 2010 Census | 2020 Census | Change |
|---|---|---|---|---|---|
| Denver-Aurora-Centennial, CO MSA | 2,963,821 | City and County of Denver | 600,158 | 715,522 | +19.2% |
| Arapahoe County | 572,003 | 655,070 | +14.5% | ||
| Jefferson County | 534,543 | 582,910 | +9.0% | ||
| Adams County | 441,603 | 519,572 | +17.7% | ||
| Douglas County | 285,465 | 357,978 | +25.4% | ||
| City and County of Broomfield | 55,889 | 74,112 | +32.6% | ||
| Elbert County | 23,086 | 26,062 | +12.9% | ||
| Park County | 16,101 | 17,390 | +7.3% | ||
| Clear Creek County | 9,088 | 9,397 | +3.4% | ||
| Gilpin County | 5,441 | 5,808 | +6.7% | ||
| Boulder, CO MSA | 330,758 | Boulder County | 294,567 | 330,758 | +12.3% |
| Greeley, CO MSA | 328,981 | Weld County | 252,825 | 328,981 | +30.1% |
| Total for Denver-Aurora-Greeley, CO CSA | 3,090,874 | 3,623,560 | +17.2% | ||
Components
The Denver–Aurora, CO CSA includes the following jurisdictions in the State of Colorado:
- Town of Alma
- City of Arvada
- Town of Ault
- City of Aurora
- Town of Bennett
- The portion of the Town of Berthoud in Weld County
- City of Black Hawk
- City of Boulder
- Town of Bow Mar
- City of Brighton
- City and County of Broomfield
- City of Castle Pines North
- Town of Castle Rock
- City of Centennial
- Central City
- City of Cherry Hills Village
- Town of Columbine Valley
- City of Commerce City
- City of Dacono
- Town of Deer Trail
- City and County of Denver
- Town of Eaton
- City of Edgewater
- Town of Elizabeth
- Town of Empire
- City of Englewood
- Town of Erie
- City of Evans
- Town of Fairplay
- City of Federal Heights
- Town of Firestone
- City of Fort Collins
- Town of Foxfield
- Town of Frederick
- Town of Garden City
- Town of Georgetown
- Town of Gilcrest
- City of Glendale
- City of Golden
- City of Greeley
- City of Greenwood Village
- Town of Grover
- Town of Hudson
- City of Idaho Springs
- Town of Jamestown
- The portion of the Town of Johnstown in Weld County
- Town of Keenesburg
- Town of Kersey
- Town of Kiowa
- Town of La Salle
- City of Lafayette
- Town of Lakeside
- City of Lakewood
- Town of Larkspur
- City of Littleton
- Town of Lochbuie
- City of Lone Tree
- City of Longmont
- City of Louisville
- Town of Lyons
- Town of Mead
- Town of Milliken
- Town of Morrison
- Town of Mountain View
- Town of Nederland
- City of Northglenn
- Town of Nunn
- Town of Parker
- Town of Pierce
- Town of Platteville
- Town of Raymer
- Town of Severance
- City of Sheridan
- Town of Silver Plume
- Town of Simla
- Town of Superior
- City of Thornton
- Town of Ward
- Town of Watkins
- City of Westminster
- City of Wheat Ridge
- The portion of the Town of Windsor in Weld County
- unincorporated Adams County
- unincorporated Arapahoe County
- unincorporated Boulder County
- unincorporated Clear Creek County
- unincorporated Douglas County
- unincorporated Elbert County
- unincorporated Gilpin County
- unincorporated Jefferson County
- unincorporated Park County
- unincorporated Weld County
See also
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Notes
- ^ United States Census Bureau population estimates for July 1, 2024.[2]
References
- ^ Revised Delineations of Metropolitan Statistical Areas, Micropolitan Statistical Areas, and Combined Statistical Areas, and Guidance on Uses of the Delineations of These Areas (July 21, 2023). "OMB BULLETIN NO. 23-01" (PDF). Office of Management and Budget. Retrieved December 9, 2025.
{{cite web}}: CS1 maint: multiple names: authors list (link) - ^ "County Population Totals and Components of Change: 2020-2024". United States Census Bureau, Population Division. March 2025. Retrieved December 9, 2025.
External links
- US Census Bureau
- Vintage 2014 US population estimates (Note: updated annually)