is a city located in the western portion of the Tokyo Metropolis, Japan. , the city had an estimated population of 195,207 in 93,654 households, and a population density of 9500 persons per km<sup>2</sup>. The total area of the city was .
Kodaira is located in the Musashino Terrace near the geographic centre of 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 ðC. 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 ðC, and lowest in January, at around 2.6 ðC.
Per Japanese census data, the population of Kodaira increased rapidly in the 1950s and 1960s and has continued to grow at a slower rate in the decades since.
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 Kantà  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. The current mayor is Yoko Kobayashi()(since April 11, 2021).
The Tokyo Metropolitan Government Board of Education operates three public high schools. There is also one special education school for the handicapped.
Kodaira has 19 public elementary school and eight public junior high schools.
Public junior high schools:
Public elementary schools:
There are two private elementary schools, three private junior high schools, and three private high schools.
JR East â Musashino Line
Seibu Railway - Seibu Shinjuku Line
Seibu Railway - Seibu Tamako Line
Seibu Railway - Seibu Kokubunji Line
Seibu Railway - Seibu Haijima Line
Kodaira is not served by any national highways or expressways.