- Concrete — Thumbnail History (historylink.org)
The town of Concrete in northern Skagit County is located on the Skagit River at the mouth of the Baker River. Nestled in the foothills of the Cascade Range, Concrete is known as the gateway to the North Cascades…
- Concrete, Washington (Wikipedia)
Concrete is a town in north-central Skagit County, Washington, United States. It is part of the Mount Vernon-Anacortes, Washington Metropolitan Statistical Area, and had a population of 801 at the 2020 census.
