Cities in Douglas County, Colorado by Population (2024)

There are 33 cities in Douglas County, Colorado.

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Aurora1Colorado397,811386,7730.7%2,440163.01
Centennial2Colorado106,445108,196-0.41%3,53030.16
Highlands Ranch3Colorado98,066107,017-1.73%4,04124.27
Castle Rock4Colorado83,92473,8863.08%2,41634.74
Parker5Colorado64,03158,8792.05%2,85322.45
Littleton6Colorado44,06945,595-0.86%3,49212.62
Englewood7Colorado34,49233,6230.63%5,2576.56
Castle Pines8Colorado15,92411,2157.98%1,6609.59
Greenwood Village9Colorado15,05715,649-0.97%1,8228.26
Black Forest10Colorado14,56113,1030.43%145100.64
Lone Tree11Colorado13,99014,280-0.52%1,4269.81
The Pinery12Colorado11,03510,0332.33%1,06310.38
Stonegate13Colorado9,6809,860-0.46%5,2871.83
Roxborough Park14Colorado9,1109,0040.3%9879.23
Dove Valley15Colorado6,1954,9435.32%1,9783.13
Meridian16Colorado5,1794,7921.47%2,0212.56
Castle Pines Village17Colorado4,3664,558-1.09%9814.45
Sierra Ridge18Colorado4,1241,74216.89%8,1340.51
Stepping Stone19Colorado3,7341,79814.89%5,0800.73
Inverness20Colorado3,6321,86313.43%3,2141.13
Sterling Ranch21Colorado3,27952126.65%5935.53
Acres Green22Colorado2,4172,888-4.16%4,0220.60
Meridian Village23Colorado2,1582,840-7.3%4,2310.51
Columbine Valley24Colorado1,7351,5023.46%1,7670.98
Perry Park25Colorado1,6031,821-3.26%1878.55
Grand View Estates26Colorado8167601.75%8181
Foxfield27Colorado728754-0.95%5501.32
Franktown28Colorado48821416.47%1662.94
Westcreek29Colorado2892731.4%2381.22
Louviers30Colorado2683810.38%1701.58
Larkspur31Colorado2222081.37%1401.59
Elbert32Colorado186220-4.12%3920.47
Sedalia33Colorado01030%01.36
showing: 33 rows

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Douglas County, Colorado?

Aurora is the largest city in Douglas County.

What is the smallest city in Douglas County, Colorado?

Sedalia is the smallest city in Douglas County.

How many cities are in Douglas County?

There are 33 cities in Douglas County, Colorado.

Frequently Asked Questions