Izumi-ku, Yokohama

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Izumi Ward
Flag of Izumi
Location of Izumi in Kanagawa
Location of Izumi in Kanagawa
Izumi is located in Japan
Coordinates: 35°21′52″N 139°33′15″E / 35.36444°N 139.55417°E / 35.36444; 139.55417Coordinates: 35°21′52″N 139°33′15″E / 35.36444°N 139.55417°E / 35.36444; 139.55417
 • Total23.51 km2 (9.08 sq mi)
 (February 2010)
 • Total155,674
 • Density6,620/km2 (17,100/sq mi)
Time zoneUTC+9 (Japan Standard Time)
- FlowerSiberian iris
Address4636-2 Izumi-chō, Izumi-ku Yokohama-shi, Kanagawa-ken
WebsiteIzumi Ward Office
Izumi Ward Office

Izumi-ku (泉区) is one of the 18 wards of the city of Yokohama in Kanagawa Prefecture, Japan. In 2010 the ward had an estimated population of 155,674 and a density of 6,620 persons per km². The total area was 23.51 km².


Izumi Ward is located in eastern Kanagawa Prefecture, and on the central-western borders of the city of Yokohama. The area is largely flatland, with scattered small hills.

Surrounding municipalities[edit]


The area around present-day Izumi Ward has been inhabited continuously for thousands of years. Archaeologists have found stone tools from the Japanese Paleolithic period and ceramic shards from the Jōmon period, and tombs from the Kofun period at numerous locations in the area. Under the Nara period Ritsuryō system, it became part of Kamakura and Kōza Districts in Sagami Province. In the Heian period, it was divided between shōen controlled by the Ōba clan and the Kamakura clan (of which Kamakura Gongorō Kagemasa was the most illustrious member). By the Kamakura period, much of the area was farmland supporting the population of nearby Kamakura. During the Edo period, the territory came under the control of Tokugawa Ieyasu. It was administered as tenryō territory controlled directly by the Tokugawa shogunate, but administered through various hatamoto.

After the Meiji Restoration, Izumi Ward became part of the new Kanagawa Prefecture in 1868. In the cadastral reform of April 1, 1889, the area was divided into numerous villages under Kamakura District. During the Meiji period, the area was a center for sericulture. On April 1, 1939, Izumi was annexed by the neighboring city of Yokohama, becoming part of Totsuka Ward. In a major administrative reorganization of October 1, 1969, Totsuka Ward was divided, and Izumi emerged as an independent ward within Yokohama.


Izumi Ward is largely a regional commercial center and bedroom community for central Yokohama and Tokyo. In 1996, in conjunction with the San Diego-Yokohama sister city relationship, Sotetsu Real Estate Co., Ltd. developed and constructed ten imported housing units, using construction documents and building materials from the United States, with a San Diego theme and style. The project was called San Diego Street of Dreams, in total, 30 such import housing units were constructed and still remain today in Ryokuentoshi, Izumi-ku.



Senior high schools:

  • Shōyō High School
  • Shūei High School(Correspondence)
  • Yokohama Shūyūkan High School
  • Yokohama Ryokuen Sohgoh High School

Junior high schools:

Primary schools:




Prefecture roads[edit]

  • Kanagawa Prefectural Route 22
  • Kanagawa Prefectural Route 401
  • Kanagawa Prefectural Route 402

Noted people from Izumi[edit]


  • Kato, Yuzo. Yokohama Past and Present. Yokohama City University (1990).

External links[edit]