Yachiyo (八千代市, Yachiyo-shi) is a city located in Chiba Prefecture, Japan. As of 31 December 2023[update], the city had an estimated population of 205,748 in 96,903 households and a population density of 4000 persons per km2.[1] The total area of the city is 51.39 square kilometres (19.84 sq mi).
Geography
Yachiyo is located inland in northwestern Chiba Prefecture on the Shimōsa Plateau,[2] about 13 kilometers from the prefectural capital at Chiba and 33 kilometers from central Tokyo. The Shin River, 10 kilometers (6.2 mi) in length, flows through Yachiyo and forms the upper part of the Inba Discharge Channel.[3]Pollution was once problematic along the river caused by phosphorus, potassium, and nitrogen draining from vegetable farms along the length of the river.[4] A 19 kilometers (12 mi) walking path was built by the city of Yachiyo, and features a pedestrian suspension bridge with an observation platform.[5]
Yachiyo has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Yachiyo is 14.9 °C. The average annual rainfall is 1394 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.5 °C, and lowest in January, at around 4.5 °C.[6]
Demographics
Per Japanese census data,[7] the population of Yachiyo has grown rapidly over the past 70 years.
After the Meiji Restoration, the villages of Owada in Chiba District and Aso in Inba District, Chiba Prefecture were founded on April 1, 1889 with the creation if then modern municipalities system. However, much of the area of these villages was already under the control of the Imperial Japanese Army, who had established a training school in 1876 for infantry maneuvers. The school remained an active military installation until 1945. Yachiyo Town was created by the merger of Owada Town with Aso and Mutsu villages in 1954. Yachiyo was elevated to city status on January 1, 1967.
Government
Yachiyo has a mayor-council form of government with a directly elected mayor and a unicameral city council of 28 members. Yachiyo contributes three members to the Chiba Prefectural Assembly. In terms of national politics, the city is part of Chiba 2nd district of the lower house of the Diet of Japan.
Economy
Yachiyo is a regional commercial center and a bedroom community for nearby Chiba and Tokyo.[8] The commuting rate to Tokyo is 26.6% (2010 census). There is some residual agriculture, with rice and nashi pears grown. Pearl Musical Instrument Company is located within Yachiyo.
Isumi has 22 public elementary schools and 13 public middle schools operated by the city government, and six public high schools operated by the Chiba Prefectural Board of Education. The prefecture also operates one special education school for the handicapped.
^"Yachiyo". Encyclopedia of Japan. Tokyo: Shogakukan. 2012. Retrieved 2012-04-25.
^"International Exchange". List of Affiliation Partners within Prefectures. Council of Local Authorities for International Relations (CLAIR). Retrieved 21 November 2015.