There are 27 cities in Denver 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.)
City | Rank | 2024 Population | 2020 Population | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Denver | 1 | 716,234 | 717,606 | -0.05% | 4,679 | 153.1 | City |
| Aurora | 2 | 397,811 | 386,773 | 0.7% | 2,440 | 163.0 | City |
| Lakewood | 3 | 155,865 | 156,247 | -0.06% | 3,587 | 43.5 | City |
| Thornton | 4 | 145,834 | 142,185 | 0.63% | 3,995 | 36.5 | City |
| Arvada | 5 | 120,437 | 124,343 | -0.8% | 3,090 | 39.0 | City |
| Westminster | 6 | 114,302 | 116,594 | -0.5% | 3,615 | 31.6 | City |
| Commerce City | 7 | 70,066 | 62,782 | 2.67% | 1,918 | 36.5 | City |
| Littleton | 8 | 44,069 | 45,595 | -0.86% | 3,492 | 12.6 | City |
| Dakota Ridge | 9 | 34,606 | 34,655 | 0.54% | 3,685 | 9.4 | CDP |
| Englewood | 10 | 34,492 | 33,623 | 0.63% | 5,257 | 6.6 | City |
| Ken Caryl | 11 | 33,683 | 33,815 | 0.27% | 3,426 | 9.8 | CDP |
| Wheat Ridge | 12 | 31,612 | 32,379 | -0.6% | 3,383 | 9.3 | City |
| Columbine | 13 | 26,217 | 25,892 | 0.53% | 3,952 | 6.6 | CDP |
| Four Square Mile | 14 | 24,990 | 21,993 | 7.69% | 9,249 | 2.7 | CDP |
| Sherrelwood | 15 | 19,415 | 19,082 | 0.41% | 7,915 | 2.5 | CDP |
| Greenwood Village | 16 | 15,057 | 15,649 | -0.97% | 1,822 | 8.3 | City |
| Berkley | 17 | 11,181 | 11,299 | -0.02% | 3,108 | 3.6 | CDP |
| Twin Lakes | 18 | 7,950 | 7,552 | 1.69% | 4,842 | 1.6 | CDP |
| Sheridan | 19 | 5,842 | 6,104 | -1.12% | 2,626 | 2.2 | City |
| Edgewater | 20 | 4,841 | 5,005 | -0.84% | 6,965 | 0.7 | City |
| Glendale | 21 | 4,396 | 4,599 | -1.15% | 7,739 | 0.6 | City |
| Holly Hills | 22 | 2,848 | 2,815 | 0.85% | 4,910 | 0.6 | CDP |
| Columbine Valley | 23 | 1,735 | 1,502 | 3.46% | 1,767 | 1.0 | Town |
| Bow Mar | 24 | 813 | 852 | -1.21% | 1,228 | 0.7 | Town |
| Mountain View | 25 | 513 | 537 | -1.16% | 5,516 | 0.1 | Town |
| North Washington | 26 | 190 | 663 | -9.95% | 37 | 5.2 | CDP |
| Lakeside | 27 | 15 | 17 | -6.25% | 80 | 0.2 | Town |
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.
Denver is the largest city in Denver County.
Lakeside is the smallest city in Denver County.
There are 27 cities in Denver County, Colorado.