As of the Shimanto merger but with 2003 population statistics, the district has an estimated population of 22,402 and a density of 59.4 persons per km².
National Route 321 is a national highway of Japan connecting Shimanto, Kōchi and Sukumo, Kōchi in Japan, with a total length of 82.3 km (51.14 mi).
National Route 439 is a national highway of Japan connecting Tokushima, Tokushima and Shimanto, Kōchi in Japan, with a total length of 341.2 km (212.01 mi).
National Route 441 is a national highway of Japan connecting Ōzu, Ehime and Shimanto, Kōchi in Japan, with a total length of 110.9 km (68.91 mi).
Shimanto, Kōchi refers the following municipalities within Kōchi Prefecture.
Shimanto (四万十) is the name of two municipalities in Kōchi Prefecture.
It is believed to spawn there, and younger fish are found up the Ohyodo and Shimanto rivers.
Tosa-Taishō Station, a train station on the Shikoku Railway (JR Shikoku) Yodo Line in Shimanto, Kochi Prefecture, Japan