Shimoda Station has a one ground-level island platform and one ground-level side platform serving three tracks connected to the station building by a footbridge.

Regularly scheduled freight services were discontinued in October 1971, and it has been managed from Misawa Station since February 1983.

With the privatization of the JNR on April 1, 1987, it came under the operational control of JR East.

The section of the Tōhoku Main Line including this station was transferred to Aoimori Railway on December 4, 2010.

This Aomori Prefecture railroad station-related article is a stub.