Kōhoku has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Kōhoku is 16.6 °C. The average annual rainfall is 1902 mm with September as the wettest month. The temperatures are highest on average in August, at around 27.4 °C, and lowest in January, at around 6.5 °C.[4]
Demographics
Per Japanese census data, the population of Kōhoku is as shown below. [5]
Historical population
Year
Pop.
±%
1960
16,379
—
1970
10,546
−35.6%
1980
9,732
−7.7%
1990
9,483
−2.6%
2000
9,584
+1.1%
2010
9,515
−0.7%
2020
9,566
+0.5%
History
The area of Kōhoku is part of ancient Hizen Province. During the Edo period it was part of the holdings of Saga Domain until the Meiji restoration. The village of Oda, Yamaguchi and Sarushi were established on April 1, 1889 with the creation of the modern municipalities system. The three villages merged on April 1, 1932 to form the village of Kōhoku. Kōhoku gained town status on April 1,1952. On September 30, 1956 part of the village of Teisen (砥川村) from Ogi District merges with Kōhoku
Government
Kōhoku has a mayor-council form of government with a directly elected mayor and a unicameral town council of 10 members. Kōhoku, together with the other municipalities in Kishima District contributes two members to the Saga Prefectural Assembly. In terms of national politics, the town is part of the Saga 2nd district of the lower house of the Diet of Japan.
Economy
The local economy is overwhelming based on agriculture and livestock raising.
Education
Kōhoku has one public elementary school and one public junior high schools operated by the town government. The town does not have a high school.
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