
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 2025 population of 291. Hamilton is currently declining at a rate of -0.68% annually and its population has decreased by -3.32% since the most recent census, which recorded a population of 301 in 2020.
The average household income in Hamilton is $63,879 with a poverty rate of 19.68%. The median age in Hamilton is 39.2 years: 38.5 years for males, and 39.9 years for females.