Koganei (小金井市, Koganei-shi) is a city located in the western portionofTokyo Prefecture, Japan. As of 1 March 2021[update], the city had an estimated population of 123,698 in 61,832 households. The total area of the city is 11.30 square kilometres (4.36 sq mi) so the population density is about 11,000 persons per km².[1]
Koganei
小金井市
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Koganei City Hall
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Location of Koganei in Tokyo
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  Koganei
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| Coordinates: 35°41′58.1″N 139°30′10.7″E / 35.699472°N 139.502972°E / 35.699472; 139.502972 | |
| Country | Japan |
| Region | Kantō |
| Prefecture | Tokyo |
| Government | |
| • Mayor | Toru Shirai (since November 2022) |
| Area | |
| • Total | 11.30 km2 (4.36 sq mi) |
| Population
(March 2021)
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| • Total | 123,698 |
| • Density | 11,000/km2 (28,000/sq mi) |
| Time zone | UTC+9 (Japan Standard Time) |
| Symbols | |
| • Tree | Zelkova serrata |
| • Flower | Sakura |
| • Bird | Common kingfisher |
| • Insect | Tree Cricket |
| Phone number | 042-383-1111 |
| Address | 6-6-3 Honmachi, Koganei-shi, Tokyo 184-8504 |
| Website | Official website |
Koganei is approximately at the center of Tokyo metropolis, and is located about 20 kilometers west of Shinjuku, where Tokyo Metropolitan Government has its headquarters. It is flanked on the north and the south by two large parks. To the north is Koganei Park, which includes the Edo-Tokyo Open Air Architectural Museum, a branch of the Edo-Tokyo Museum located in Ryōgoku, Tokyo. To the south are Nogawa Park and Tama Cemetery. The city has an elevation of between 40 and 70 meters above sea level.
Koganei has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Koganei is 14.0 °C. The average annual rainfall is 1647 mm with September as the wettest month. The temperatures are highest on average in August, at around 25.5 °C, and lowest in January, at around 2.6 °C.[2]
Per Japanese census data,[3] the population of Koganei grew rapidly in the 1950s and 1960s and has continued to grow at a slower rate since then.
| Year | Pop. | ±% |
|---|---|---|
| 1920 | 3,866 | — |
| 1930 | 6,129 | +58.5% |
| 1940 | 12,650 | +106.4% |
| 1950 | 22,616 | +78.8% |
| 1960 | 45,734 | +102.2% |
| 1970 | 94,448 | +106.5% |
| 1980 | 102,456 | +8.5% |
| 1990 | 105,899 | +3.4% |
| 2000 | 111,825 | +5.6% |
| 2010 | 118,852 | +6.3% |
| 2020 | 126,074 | +6.1% |
The area of present-day Koganei was part of ancient Musashi Province. In the post-Meiji Restoration cadastral reform of July 22, 1878, the area became part of Kitatama District in Kanagawa Prefecture. The village of Koganei was created on April 1, 1889 with the establishment of the modern municipalities system. Kitatama District was transferred to the administrative control of Tokyo Metropolis on April 1, 1893. Koganei was elevated to town status in 1937, and to city status in 1958.[4]
Koganei has a mayor-council form of government with a directly elected mayor and a unicameral city council of 24 members. Koganei contributes one member to the Tokyo Metropolitan Assembly. In terms of national politics, the city is part of Tokyo 18th district of the lower house of the Diet of Japan.
Koganei is largely a bedroom community for central Tokyo. Gainax, Studio Ghibli and KOGANEI have their corporate headquarters in Koganei.[5][6]
Major products are tomatoes, aubergines(eggplants), roots, udo (plant related to ginseng, used in medicine and cooking), and rhubarbs.
Tokyo Metropolitan Government Board of Education operates the following public high schools.
The following private high schools are also located in Koganei.
The Koganei Municipal Board of Education operates six public junior high schools and nine public elementary schools.[7]
Public junior high schools include:[8]
Public elementary schools include:[8]
There is one private junior high school and one private elementary school.[7]
- Seibu Railway - Seibu Tamagawa Line
Koganei is not served by any national highways or expressways
