As of 1 August 2025[update], the city had an estimatedpopulation of 264,534, and apopulation density of 8,989 persons per square kilometer.[1] The total area of the city is 29.43 square kilometres (11.36 sq mi).
Fuchū is located about 20 km west of the centre of Tokyo. Using theKeiō Line fromShinjuku, it is 25 minutes toFuchū Station (main station). It spreads across theMusashino Terrace on the left bank of theTama River, facing the Tama hills on the opposite shore. The Tama River flows through the southernmost end of the city from west to east. The Kokubunji cliff runs west to east along the north; the Fuchū cliff runs west to east through the center of the city. The former has a height of 10 to 15 m, and the latter, 10 to 20 m. Sengenyama with an altitude of 79 m is in the northeast part, and the height from the foot is about 30 m. The region is mostly flatland. To the south of the Fuchū cliff is the Tama River lowlands while to the north of the Kokubunji cliff is the Musashino side of Musashino Plateau; the region between is the Tachikawa side of the Musashino Plateau. The cliffs are calledhake in the local dialect. The Nogaysa river, a tributary of the Tama River, grazes the northeast end of the city.
Fuchū has ahumid subtropical climate (KöppenCfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Fuchū 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] The highest temperature ever recorded in Fuchu was 40.0 °C (104.0 °F) on 5 August 2025.[3]
Climate data for Fuchū, Tokyo (1991−2020 normals, extremes 1976−present)
Per Japanese census data,[6] the population of Fuchū increased rapidly in the mid-20th century and has continued to grow at a slower pace in the decades since.
1602: The Fuchūpost-town was established with the upgrading of the Kōshū-dochu road (Kōshū Highway).
1868: Nirayama Prefecture was established, and the southwest part of the city region becomes part of it. The remainder was under the jurisdiction of the Musashi prefectural governor.
1869: Shinagawa Prefecture was established, and except for the southwest part, the city becomes part of the prefecture.
1878: TamaDistrict of Kanagawa Prefecture was divided into three districts: North Tama, South Tama, West Tama, and one district in Tokyo Prefecture: East Tama. The city region became part ofNorth Tama District, whose district offices were established in the city.
1880: Four towns and one village of the central area of the city region merged intoFuchū-eki.
1889: Eight villages of the eastern area of city region merged into Tama Village, and three villages of the western area merged into Nishifu Village. Fuchū-eki reorganized as a town, without changing its name.
1893: Three Tama districts were admitted to Tokyo Prefecture. Fuchū-eki changed its name to Fuchū Town.
1910: The Tokyo Gravel Railroad (laterJNR Shimogawara Line) is opened for traffic.
1913: Telephone service commenced.
1916: Keiō Electric Tram (part of presentKeiō Line) opened for traffic.
Fuchū has amayor-council form of government with a directly elected mayor and aunicameral city council of 30 members. Fuchū contributes two members to the Tokyo Metropolitan Assembly. In terms of national politics, the city is part ofTokyo 18th district of thelower house of theDiet of Japan.
National Route 20 (Kōshū Highway); Chūō Expressway and Route 20 are parallel to Keiō Line Railway, and run east to west, connecting Fuchū and central Tokyo.
^"International Exchange".List of Affiliation Partners within Prefectures. Council of Local Authorities for International Relations (CLAIR). Archived fromthe original on 5 March 2016. Retrieved21 November 2015.