Kodaira, Tokyo

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Kodaira City Hall
Kodaira City Hall
Flag of Kodaira
Official seal of Kodaira
Location of Kodaira in Tokyo
Location of Kodaira in Tokyo
Kodaira is located in Japan
Coordinates: 35°43′42.6″N 139°28′38.8″E / 35.728500°N 139.477444°E / 35.728500; 139.477444Coordinates: 35°43′42.6″N 139°28′38.8″E / 35.728500°N 139.477444°E / 35.728500; 139.477444
 • MayorMasanori Kobayashi (since April 2005)
 • Total20.51 km2 (7.92 sq mi)
 (April 2021)
 • Total195,207
 • Density9,500/km2 (25,000/sq mi)
Time zoneUTC+9 (Japan Standard Time)
• TreeZelkova serrata
• FlowerAzalea
• BirdJapanese pygmy woodpecker
Phone number042-341-1211
Address2-1333 Ogawa, Kodaira-shi, Tokyo 187-8701
WebsiteOfficial website

Kodaira (小平市, Kodaira-shi) is a city located in the western portion of Tokyo Metropolis, Japan. As of 1 April 2021, the city had an estimated population of 195,207 in 93,654 households, and a population density of 9500 persons per km².[1] The total area of the city was 20.51 square kilometres (7.92 sq mi).


Kodaira is located in the Musashino Terrace near the geographic centre of Tokyo Metropolis.

Surrounding municipalities[edit]

Tokyo Metropolis


Kodaira has a Humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Kodaira 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 Kodaira increased rapidly in the 1950s and 1960s.

Historical population
1920 6,068—    
1930 6,558+8.1%
1940 8,674+32.3%
1950 21,659+149.7%
1960 52,923+144.3%
1970 137,373+159.6%
1980 154,610+12.5%
1990 164,013+6.1%
2000 178,623+8.9%
2010 187,039+4.7%


The area of present-day Kodaira was part of ancient Musashi Province, but was a largely unpopulated area under the opening of the Tamagawa Aqueduct in the Edo period made agriculture possible. In the post-Meiji Restoration cadastral reform of July 22, 1878, the area became part of Kitatama District in Kanagawa Prefecture. The village of Kodaira 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. The population of the area expanded after the 1923 Great Kantō earthquake with the relocation of universities and housing areas from central Tokyo. Kodaira was elevated to town status in 1944 and to city status on October 1, 1962.


Kodaira has a mayor-council form of government with a directly elected mayor and a unicameral city council of 28 members. Kodaira contributes two members 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.



Miscellaneous school[edit]

Primary and secondary schools[edit]

Kodaira has 19 public and two private elementary schools, eight public and three private middle schools. The Tokyo Metropolitan Government Board of Education operates three public high schools and there are also three private high school. There is also one special education school for the handicapped.



JR logo (east).svg JR EastMusashino Line

SeibuShinjuku.svg Seibu Railway - Seibu Shinjuku Line

SeibuShinjuku.svg Seibu Railway - Seibu Tamako Line

SeibuShinjuku.svg Seibu Railway - Seibu Kokubunji Line

SeibuShinjuku.svg Seibu Railway - Seibu Haijima Line


Kodaira is not served by any national highways or expressways.

Local attractions[edit]

Notable people from Kodaira[edit]


  1. ^ "Kodaira city official statistics" (in Japanese). Japan.
  2. ^ Kodaira climate data
  3. ^ Kodaira population statistics

External links[edit]