Tadotsu is located in central Kagawa Prefecture. It borders the Sanuki Plain to the south and the scenic Setonaikai National Park to the north. The inhabited islands of Takamijima and Sanagishima of the Shiwaku Islands are located within the town borders.
Kagawa Prefecture
Tadotsu has a humid subtropical climate (Köppen climate classification Cfa) with very warm summers and cool winters. Some precipitation falls throughout the year, but the months from April through October have heavier rain. The average annual temperature in Tadotsu is 16.5 °C (61.7 °F). The average annual rainfall is 1,116.8 mm (43.97 in) with July as the wettest month. The temperatures are highest on average in August, at around 28.3 °C (82.9 °F), and lowest in January, at around 6.2 °C (43.2 °F).2 The highest temperature ever recorded in Tadotsu was 38.5 °C (101.3 °F) on 16 July 1994; the coldest temperature ever recorded was −6.3 °C (20.7 °F) on 28 January 1945.3
Per Japanese census data, the population of Tadotsu in 2020 is 22,445 people.6 Tadotsu has been conducting censuses since 1920.
The area of Tadotsu was part of ancient Sanuki Province. During the Edo Period, the jin'ya of Tadotsu Domain, a subsidiary domain of Marugame Domain was located in Tadotsu, which developed as a jōkamachi. Following the Meiji restoration, the town of Tadotsu was established with the creation of the modern municipalities system on February 15, 1890. Tadotsu annexed the village of Toyohara on May 10, 1942 and the villages of Shika andShirakata on May 3, 1954. On September 30, Tadotsu annexed the villages of Sanagishima and Takamijima.
Tadotsu has a mayor-council form of government with a directly elected mayor and a unicameral town council of 14 members. Tadotsu contributes one member to the Kagawa Prefectural Assembly. In terms of national politics, the town is part of Kagawa 3rd district of the lower house of the Diet of Japan.
Tadotsu has a mixed economy of agriculture and industry. Tadotsu Shipbuilding (affiliated company of Imabari Shipbuilding Group) and the Shikoku Railway Tadotsu vehicle maintenance factory are located in the town.
Tadotsu has four public elementary schools and one public middle school operated by the town government, and one public high schools operated by the Kagawa Prefectural Board of Education. There is also one private high school.
Shikoku Railway Company - Dosan Line
Shikoku Railway Company - Yosan Line
"Tadotsu town official statistics" (in Japanese). Japan. https://www.town.tadotsu.kagawa.jp ↩
気象庁 / 平年値(年・月ごとの値). JMA. Retrieved April 24, 2022. 気象庁 / 平年値(年・月ごとの値) ↩
観測史上1~10位の値(年間を通じての値). JMA. Retrieved April 24, 2022. 観測史上1~10位の値(年間を通じての値) ↩
Tadotsu population statistics https://www.citypopulation.de/en/japan/kagawa/ ↩