Hamilton
- County:
- Skagit County
- County Seat:
- No
- Area (mi²):
- 1.197
- State:
- Washington
Hamilton is a town located in Skagit County, Washington. Hamilton has a 2026 population of 295. Hamilton is currently declining at a rate of -0.34% annually and its population has decreased by -1.99% since the most recent census, which recorded a population of 301 in 2020.