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 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Aberdeen | 1 | 17,009 | 17,028 | -0.03% | 1,564 | 10.9 | City |
| Hoquiam | 2 | 8,790 | 8,784 | 0.01% | 921 | 9.5 | City |
| Ocean Shores | 3 | 7,808 | 6,771 | 3.43% | 917 | 8.5 | City |
| Montesano | 4 | 4,189 | 4,148 | 0.24% | 384 | 10.9 | City |
| Central Park | 5 | 3,538 | 3,442 | 1.75% | 1,006 | 3.5 | CDP |
| Elma | 6 | 3,464 | 3,446 | 0.12% | 1,253 | 2.8 | City |
| Westport | 7 | 2,307 | 2,221 | 0.92% | 628 | 3.7 | City |
| McCleary | 8 | 2,043 | 2,019 | 0.29% | 997 | 2.0 | City |
| Cosmopolis | 9 | 1,674 | 1,641 | 0.48% | 1,203 | 1.4 | City |
| Brady | 10 | 1,010 | 813 | 2.43% | 165 | 6.1 | CDP |
| Taholah | 11 | 820 | 657 | -0.24% | 237 | 3.5 | CDP |
| Satsop | 12 | 784 | 638 | 1.03% | 112 | 7.0 | CDP |
| Oakville | 13 | 730 | 721 | 0.27% | 1,322 | 0.6 | City |
| Grayland | 14 | 512 | 806 | -5.88% | 75 | 6.8 | CDP |
| Malone | 15 | 319 | 341 | -3.33% | 35 | 9.0 | CDP |
| Copalis Beach | 16 | 273 | 515 | -3.53% | 75 | 3.7 | CDP |
| Aberdeen Gardens | 17 | 272 | 305 | 0% | 167 | 1.6 | CDP |
| Neilton | 18 | 272 | 317 | -1.09% | 28 | 9.7 | CDP |
| Humptulips | 19 | 243 | 227 | -0.41% | 26 | 9.3 | CDP |
| Cohassett Beach | 20 | 219 | 516 | -14.12% | 169 | 1.3 | CDP |
| Markham | 21 | 136 | 79 | 1.49% | 121 | 1.1 | CDP |
| Porter | 22 | 136 | 129 | -3.55% | 15 | 8.9 | CDP |
| Ocosta | 23 | 130 | 190 | 8.33% | 43 | 3.0 | CDP |
| Ocean City | 24 | 92 | 154 | -7.07% | 28 | 3.3 | CDP |
| Santiago | 25 | 88 | 71 | 8.64% | 56 | 1.6 | CDP |
| Oyehut | 26 | 60 | 0 | 9.09% | 100 | 0.6 | CDP |
| Qui-nai-elt Village | 27 | 57 | 56 | 7.55% | 78 | 0.7 | CDP |
| Moclips | 28 | 56 | 49 | -16.42% | 31 | 1.8 | CDP |
| Amanda Park | 29 | 41 | 84 | -26.79% | 5 | 8.2 | CDP |
| Pacific Beach | 30 | 40 | 214 | -31.03% | 33 | 1.2 | CDP |
| Hogans Corner | 31 | 9 | 0 | 0% | 29 | 0.3 | CDP |
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.
Aberdeen is the largest city in Grays Harbor County.
Hogans Corner is the smallest city in Grays Harbor County.
There are 31 cities in Grays Harbor County, Washington.