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Isehara

伊勢原市
Isehara 伊勢原市
City
	Isehara City Hall
	Flag Seal
	Location of Isehara in Kanagawa Prefecture
	Isehara
	Coordinates: 35°23′N 139°18′E / 35.383°N 139.300°E
Country	Japan
Region	Kantō
Prefecture	Kanagawa
First official recorded	655 BC (official)[citation needed]
Town settled	December 1,1954
City settled	March 1, 1971
Government
• Mayor	Matsutaro Takayama (since October 2012)
Area
• Total	55.56 km2 (21.45 sq mi)
Population (February 1, 2024)
• Total	101,415
• Density	1,800/km2 (4,700/sq mi)
Time zone	UTC+9 (Japan Standard Time)
City symbols
• Tree	Castanopsis
• Flower	Chinese bellflower
• Bird	Copper pheasant
Phone number	0463-94-4711
Address	348, Tanaka, Isehara-shi, Kanagawa-ken 259-1188
Website	Official website

Isehara (伊勢原市, Isehara-shi) is a city located in Kanagawa Prefecture, Japan. As of 1 February 2024^[update], the city had an estimated population of 101,415 and a population density of 1800 persons per km².^[1] The total area of the city is 55.56 square kilometres (21.45 sq mi).^[2]

Geography

Isehara is located in the hilly center of Kanagawa Prefecture. A large portion of the city is within the Tanzawa-Ōyama Quasi-National Park.

Surrounding Municipalities

Kanagawa Prefecture

Climate

Isehara has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Isehara is 14.6 °C. The average annual rainfall is 1906 mm with September as the wettest month. The temperatures are highest on average in August, at around 24.2 °C, and lowest in January, at around 2.9 °C.^[3]

Demographics

Per Japanese census data,^[4] the population of Isehara has recently plateaued after several decades of strong growth.

Historical population
Year	Pop.	±%
1960	26,894	—
1970	43,751	+62.7%
1980	70,052	+60.1%
1990	89,567	+27.9%
2000	99,544	+11.1%
2010	101,039	+1.5%
2020	101,780	+0.7%

History

The area of present-day Isehara City was part of several large shōen in Sagami Province during the Kamakura period. During the Edo period, it was nominally part of Odawara Domain, although large portions were tenryō territory controlled by the shōgun in Edo through various hatamoto.

After the Meiji Restoration and with the establishment of the district system in 1878, the area came under the control of Ōsumi District (大住郡, Ōsumi-gun), Kanagawa Prefecture and became Isehara Town on April 1, 1889 with the establishment of the modern municipalities system. On March 26, 1896, Ōsumi District and Yurugi District were merged to create Naka District. The town began to experience rapid growth after the opening of Isehara Station on the Odakyu Electric Railway on April 1, 1929. On December 21, 1954, the town expanded through merger with neighboring Oyama Town and three villages. Its area expanded further on September 30, 1956, through annexation of a portion of neighboring Okazaki Village. Isehara was elevated to city status on March 1, 1971.

Government

Isehara has a mayor-council form of government with a directly elected mayor and a unicameral city council of 20 members. Isehara contributes one member to the Kanagawa Prefectural Assembly. In terms of national politics, the city is part of Kanagawa 16th district of the lower house of the Diet of Japan.

Economy

Known primarily as a bedroom community for Yokohama and the greater Tokyo area, Isehara is also home to Amada Co, a machine tool manufacturer and a number of manufacturing plants. It is also home to a Maru-Chan (Toyo Suisan) instant noodle factory.

Education

Isehara has ten public elementary schools and four public middle schools operated by the city government. The city has two public high schools operated by the Kanagawa Prefectural Board of Education, and the prefecture also operates one special education school for the handicapped. There is also one private high school. Tokyo-based Senshu University, Sanno University and Tokai University all have a campus within Isehara.