Part of the Unorganized Borough, Alcan Border is the site of the Alcan - Beaver Creek Border Crossing, the main U.S. port of entry for persons arriving in Alaska by road.

It is just inside the Alaska-Canada border, southeast of Northway and northwest of Beaver Creek, Yukon, along the Alaska Highway.

Alcan Border has a dry-winter continental subarctic climate (Köppen Dwc).

The Alcan community consists of families employed by federal customs at the entry point into the U.S. and Alaska from Canada.

Students attend school in Northway or are home-schooled through correspondence study.

The racial makeup of the CDP was 66.67% White, 23.81% Native American, 4.76% Asian, 4.76% from other races.

A piped community sewage system serves the majority of households, and outhouses or individual septic tanks are also used.

Alcan Border is part of the Alaska Gateway School District.

Walter Northway School, a K-12 campus, serves community students.