List of cities in Washington List of cities List of cities

| Name_ | County | Population_2012_est_ | Population_2010 | Land_area_ |
|---|---|---|---|---|
| Marysville | Snohomish | 62402 | 60020 | 20.68 sq mi (53.6 km2) |
| Mattawa | Grant | 4543 | 4437 | 0.74 sq mi (1.9 km2) |
| McCleary | Grays Harbor | 1647 | 1653 | 2.05 sq mi (5.3 km2) |
| Medical Lake | Spokane | 4940 | 5060 | 3.40 sq mi (8.8 km2) |
| Medina | King | 3029 | 2969 | 1.44 sq mi (3.7 km2) |
| Mercer Island | King | 23661 | 22699 | 6.32 sq mi (16.4 km2) |
| Mesa | Franklin | 518 | 489 | 1.64 sq mi (4.2 km2) |
| Mill Creek | Snohomish | 18671 | 18244 | 4.67 sq mi (12.1 km2) |
| Millwood | Spokane | 1797 | 1786 | 0.70 sq mi (1.8 km2) |
| Milton | Pierce , King | 7048 | 6968 | 2.51 sq mi (6.5 km2) |
| Monroe | Snohomish | 17503 | 17304 | 6.05 sq mi (15.7 km2) |