List of cities in Washington List of cities List of cities

| Name_ | County | Population_2012_est_ | Population_2010 | Land_area_ |
|---|---|---|---|---|
| Montesano | Grays Harbor | 3962 | 3976 | 10.41 sq mi (27.0 km2) |
| Morton | Lewis | 1132 | 1126 | 0.82 sq mi (2.1 km2) |
| Moses Lake | Grant | 21182 | 20366 | 15.75 sq mi (40.8 km2) |
| Mossyrock | Lewis | 764 | 759 | 0.68 sq mi (1.8 km2) |
| Mount Vernon | Skagit | 32287 | 31743 | 12.30 sq mi (31.9 km2) |
| Mountlake Terrace | Snohomish | 20198 | 19909 | 4.06 sq mi (10.5 km2) |
| Moxee | Yakima | 3361 | 3308 | 1.69 sq mi (4.4 km2) |
| Mukilteo | Snohomish | 20605 | 20254 | 6.40 sq mi (16.6 km2) |
| Napavine | Lewis | 1778 | 1766 | 2.38 sq mi (6.2 km2) |
| Newcastle | King | 10792 | 10380 | 4.45 sq mi (11.5 km2) |
| Newport | Pend Oreille | 2116 | 2126 | 1.07 sq mi (2.8 km2) |