Kai (甲斐市, Kai-shi) is a city located in Yamanashi Prefecture, Japan. As of 31 December 2021[update], the city had an estimated population of 73,626,[1] and a population density of 1,100 persons per km². The total area of the city is 71.95 square kilometres (27.78 sq mi).
Kai
甲斐市 | |
---|---|
Coordinates: 35°39′38.9″N 138°30′56.8″E / 35.660806°N 138.515778°E | |
Country | Japan |
Region | Chūbu (Tōkai) |
Prefecture | Yamanashi Prefecture |
Area | |
• Total | 71.95 km2 (27.78 sq mi) |
Population (December 31, 2021) | |
• Total | 73,626 |
• Density | 1,000/km2 (2,700/sq mi) |
Time zone | UTC+9 (Japan Standard Time) |
City symbols | |
• Tree | Zelkova serrata |
• Flower | Sakura |
Phone number | 055-276-2111 |
Address | 2610 Shinohara, Kai-shi, Yamanashi 400-0395 |
Website | Official website |
Geography
editKai is located in central Yamanashi Prefecture, orientated north-south along the banks of the Fuji River.
Surrounding municipalities
editYamanashi Prefecture
Climate
editThe city has a climate characterized by characterized by hot and humid summers, and relatively mild winters (Köppen climate classification Cfa). The average annual temperature in Kai is 14.3 °C. The average annual rainfall is 1240 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.7 °C, and lowest in January, at around 2.4 °C.[2]
Demographics
editPer Japanese census data,[3] the population of Kai more than tripled between 1960 and 2000 and has grown at a slower pace since.
Year | Pop. | ±% |
---|---|---|
1940 | 17,777 | — |
1950 | 24,497 | +37.8% |
1960 | 22,951 | −6.3% |
1970 | 27,075 | +18.0% |
1980 | 45,337 | +67.4% |
1990 | 60,765 | +34.0% |
2000 | 71,706 | +18.0% |
2010 | 73,807 | +2.9% |
2020 | 75,313 | +2.0% |
History
editThe area of present day Kai was part of ancient Kai Province and have numerous Jomon period ruins. During the Sengoku period, warlord Takeda Shingen built embankments on the Kamanashi River for flood control and to open up new rice lands. During the Edo period, all of Kai Province was tenryō territory under direct control of the Tokugawa shogunate.
The city of Kai was established on September 1, 2004, from the merger of the town of Futaba (from Kitakoma District), and the towns of Ryūō and Shikishima (both from Nakakoma District).[4] It takes its name from the old name for Yamanashi Prefecture, Kai Province.
Government
editKai has a mayor-council form of government with a directly elected mayor and a unicameral city legislature of 19 members.
Education
editKai has eleven public elementary schools and five public middle schools operated by the city government and one public high school operated by the Yamanashi Prefectural Board of Education.
Transportation
editRailway
editHighway
editSister cities
edit- Keokuk, Iowa, United States[5]
Notable people
edit- Youichi Imamura – professional racecar driver
- Shin Nakagomi – professional baseball player
- Karin Ogino – former idol
References
edit- ^ Kai city official statistics (in Japanese)
- ^ Kai climate data
- ^ Kai population statistics
- ^ "市制施行15周年記念式典(まちできweb 2019年9月1日)|甲斐市". www.city.kai.yamanashi.jp (in Japanese). Retrieved 2024-02-08.
平成16年9月1日に旧竜王町・敷島町・双葉町の3町合併により誕生した「甲斐市」。
- ^ "International Exchange". List of Affiliation Partners within Prefectures. Council of Local Authorities for International Relations (CLAIR). Archived from the original on 5 February 2016. Retrieved 21 November 2015.
External links
editMedia related to Kai, Yamanashi at Wikimedia Commons
- Official Website (in Japanese)