Squaxin Island Reservation and Off-Reservation Trust Land

Squaxin Island Reservation and Off-Reservation Trust Land is a federal reservation with off-reservation trust land in Mason County, Washington, as the Census Bureau maps it. About 388 people live there (2020–2024 estimate). It covers 3.35 sq mi (8.67 km²) of land.

SeattleSpokaneTacoma
Squaxin Island Reservation and Off-Reservation Trust Land in Washington
Squaxin Island Reservation and Off-Reservation Trust Land (simplified outline). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
388 ± 96
What it is
Federal reservation · Off-reservation trust land
County
Mason County
Land area
3.35 sq mi (8.67 km²)
Median household income
$53,125 ± $13,749
Median home value
$266,700 ± $240,303
Water area
0.03 sq mi (0.08 km²)
State
Washington
Census code
3955
Coordinates (central point)
47.196761, -122.912011

These coordinates mark a central point for the area, not an address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.

Before using this answer

These Census boundaries don’t decide tribal membership, jurisdiction or land status, and they aren’t a land acknowledgment. For services, enrollment or jurisdiction, ask the tribal government.

Find the tribal area at your location or find your county.

See this area on Census.gov ↗