Wilbur is located at 47°45′24″N 118°42′23″W (47.756616, -118.706282).

Wilbur is situated in an oblong basin with Goose Creek, also named for Wild Goose Bill, running through the center of the town, and abrupt, basaltic cliffs, not of very great elevation, on the north and south.
At one time this spot was, evidently, a lake.
During the construction of U.S. Route 2, the course of Goose Creek was altered, moving its flow southward as it flows to the west, part of the  Wilson Creek watershed.

According to the United States Census Bureau, the town has a total area of 1.37 square miles (3.55 km²), all of it land.
Wilbur is located at 47°45′24″N 118°42′23″W (47.756616, -118.706282).
Wilbur is situated in an oblong basin with Goose Creek, also named for Wild Goose Bill, running through the center of the town, and abrupt, basaltic cliffs, not of very great elevation, on the north and south. At one time this spot was, evidently, a lake. During the construction of U.S. Route 2, the course of Goose Creek was altered, moving its flow southward as it flows to the west, part of the  Wilson Creek watershed.
According to the United States Census Bureau, the town has a total area of 1.37 square miles (3.55 km²), all of it land.
Wilbur, Washington