Archaeologists have found ceramic shards from the Jōmon period at numerous locations in the area. There are numerous keyhole tombs from the Kofun period in Totsuka, including one on the grounds of Tomizuka Hachiman Shrine, from which the ward's name is derived. Under the Nara period Ritsuryō system, it became part of Kamakura District and Kōza District in Sagami Province.
Archaeologists have discovered ceramic fragments from the Jōmon era at various sites in the region. Numerous keyhole tombs from the Kofun period are found in Totsuka, including one on the grounds of Tomizuka Hachiman Shrine, which is the basis for the ward's name. Under the Nara period Ritsuryō system, it was incorporated into Kamakura District and Kōza District within Sagami Province.