There are 23 cities in Cumberland County, Maine.
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) |
|---|---|---|---|---|---|---|---|
| Portland | 1 | Maine | 68,356 | 68,492 | -0.05% | 3,173 | 21.54 |
| South Portland | 2 | Maine | 27,477 | 26,575 | 0.83% | 2,281 | 12.04 |
| Westbrook | 3 | Maine | 20,859 | 20,431 | 0.52% | 1,214 | 17.19 |
| Brunswick | 4 | Maine | 17,067 | 15,974 | 1.01% | 878 | 19.44 |
| Gorham | 5 | Maine | 6,778 | 7,322 | -1.97% | 885 | 7.66 |
| Yarmouth | 6 | Maine | 6,122 | 5,752 | 1.54% | 1,168 | 5.24 |
| Oak Hill | 7 | Maine | 6,017 | 4,783 | 5.41% | 1,073 | 5.61 |
| North Windham | 8 | Maine | 5,399 | 5,651 | -1.15% | 803 | 6.73 |
| Cumberland Center | 9 | Maine | 2,882 | 2,944 | -0.52% | 681 | 4.23 |
| Falmouth Foreside | 10 | Maine | 2,444 | 1,550 | 9.45% | 1,606 | 1.52 |
| Steep Falls | 11 | Maine | 2,158 | 2,016 | 1.7% | 215 | 10.03 |
| Dunstan | 12 | Maine | 1,852 | 1,592 | 3.64% | 586 | 3.16 |
| Freeport | 13 | Maine | 1,817 | 1,879 | -0.82% | 1,059 | 1.72 |
| Falmouth | 14 | Maine | 1,404 | 1,877 | -7.14% | 584 | 2.40 |
| Bridgton | 15 | Maine | 1,178 | 1,850 | -12.48% | 159 | 7.39 |
| Little Falls | 16 | Maine | 1,037 | 745 | 7.57% | 902 | 1.15 |
| Gray | 17 | Maine | 825 | 747 | 2.48% | 281 | 2.94 |
| Casco | 18 | Maine | 809 | 717 | 2.4% | 246 | 3.28 |
| South Windham | 19 | Maine | 646 | 1,022 | -12.7% | 541 | 1.19 |
| Cousins Island | 20 | Maine | 487 | 521 | -1.62% | 459 | 1.06 |
| Naples | 21 | Maine | 487 | 555 | 4.73% | 188 | 2.59 |
| Standish | 22 | Maine | 366 | 198 | 12.96% | 137 | 2.68 |
| Littlejohn Island | 23 | Maine | 53 | 63 | -3.64% | 155 | 0.34 |
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.
Portland is the largest city in Cumberland County.
Littlejohn Island is the smallest city in Cumberland County.
There are 23 cities in Cumberland County, Maine.