There are 44 cities in Adams 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 | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Denver | 1 | Colorado | 716,234 | 717,606 | -0.05% | 4,679 | 153.07 |
| Aurora | 2 | Colorado | 397,811 | 386,773 | 0.7% | 2,440 | 163.01 |
| Thornton | 3 | Colorado | 145,834 | 142,185 | 0.63% | 3,995 | 36.50 |
| Arvada | 4 | Colorado | 120,437 | 124,343 | -0.8% | 3,090 | 38.97 |
| Westminster | 5 | Colorado | 114,302 | 116,594 | -0.5% | 3,615 | 31.62 |
| Broomfield | 6 | Colorado | 77,650 | 74,490 | 1.03% | 2,355 | 32.97 |
| Commerce City | 7 | Colorado | 70,066 | 62,782 | 2.67% | 1,918 | 36.53 |
| Brighton | 8 | Colorado | 43,205 | 40,293 | 1.71% | 2,016 | 21.43 |
| Northglenn | 9 | Colorado | 38,206 | 38,036 | 0.11% | 5,191 | 7.36 |
| Wheat Ridge | 10 | Colorado | 31,612 | 32,379 | -0.6% | 3,383 | 9.34 |
| Lafayette | 11 | Colorado | 30,441 | 30,433 | 0.01% | 3,298 | 9.23 |
| Louisville | 12 | Colorado | 20,128 | 21,174 | -1.29% | 2,525 | 7.97 |
| Sherrelwood | 13 | Colorado | 19,426 | 19,082 | 0.45% | 7,919 | 2.45 |
| Welby | 14 | Colorado | 16,341 | 15,372 | 0.17% | 4,412 | 3.70 |
| Federal Heights | 15 | Colorado | 13,792 | 14,394 | -1.08% | 7,770 | 1.77 |
| Fort Morgan | 16 | Colorado | 11,567 | 11,555 | 0.03% | 2,167 | 5.34 |
| Fairmount | 17 | Colorado | 11,247 | 9,549 | 3.93% | 1,850 | 6.08 |
| Berkley | 18 | Colorado | 11,071 | 11,299 | -0.51% | 3,078 | 3.60 |
| Fort Lupton | 19 | Colorado | 9,927 | 8,005 | 5.08% | 766 | 12.95 |
| Derby | 20 | Colorado | 9,037 | 9,156 | 0.15% | 5,164 | 1.75 |
| Lochbuie | 21 | Colorado | 8,380 | 8,202 | 0.53% | 2,274 | 3.69 |
| Twin Lakes | 22 | Colorado | 7,788 | 7,552 | 0.66% | 4,743 | 1.64 |
| Dacono | 23 | Colorado | 6,677 | 6,349 | 1.24% | 720 | 9.28 |
| Todd Creek | 24 | Colorado | 5,141 | 4,635 | 0.82% | 520 | 9.89 |
| Shaw Heights | 25 | Colorado | 5,078 | 5,987 | -3.61% | 7,512 | 0.68 |
| Bennett | 26 | Colorado | 3,764 | 2,904 | 6.06% | 545 | 6.90 |
| Strasburg | 27 | Colorado | 3,311 | 2,987 | 2.51% | 159 | 20.80 |
| Keenesburg | 28 | Colorado | 2,314 | 1,257 | 12.88% | 250 | 9.26 |
| Byers | 29 | Colorado | 1,932 | 1,338 | 8.36% | 169 | 11.45 |
| Wiggins | 30 | Colorado | 1,917 | 1,433 | 6.74% | 1,449 | 1.32 |
| Deer Trail | 31 | Colorado | 1,648 | 1,108 | 8.92% | 1,310 | 1.26 |
| Hudson | 32 | Colorado | 1,606 | 1,649 | -0.68% | 272 | 5.90 |
| Watkins | 33 | Colorado | 1,019 | 746 | 1.39% | 41 | 24.75 |
| Log Lane Village | 34 | Colorado | 902 | 902 | 0% | 4,602 | 0.20 |
| Comanche Creek | 35 | Colorado | 634 | 426 | 8.94% | 29 | 21.69 |
| Mountain View | 36 | Colorado | 513 | 537 | -1.16% | 5,516 | 0.09 |
| Morgan Heights | 37 | Colorado | 351 | 227 | 9.69% | 1,232 | 0.28 |
| Blue Sky | 38 | Colorado | 98 | 98 | 0% | 2,722 | 0.04 |
| Peoria | 39 | Colorado | 57 | 91 | -12.31% | 4 | 13.77 |
| Saddle Ridge | 40 | Colorado | 55 | 51 | 1.85% | 316 | 0.17 |
| Brick Center | 41 | Colorado | 42 | 134 | -35.38% | 7 | 5.78 |
| Trail Side | 42 | Colorado | 28 | 138 | -49.09% | 39 | 0.72 |
| Lakeside | 43 | Colorado | 15 | 17 | -6.25% | 80 | 0.19 |
| North Washington | 44 | Colorado | 0 | 663 | 0% | 0 | 5.20 |
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 Adams County.
North Washington is the smallest city in Adams County.
There are 44 cities in Adams County, Colorado.