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Coordinates: 35°38′16.6″N 139°30′16.4″E / 35.637944°N 139.504556°E / 35.637944; 139.504556
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Clockwise from top left: Yomiuri Land Amusement Park, Aoi Shrine, Stone Buddha Statue in Mount Arigata, Anazawa-ten Shrine, Inagi Central Park, Inagi Bridge
Clockwise from top left: Yomiuri Land Amusement Park, Aoi Shrine, Stone Buddha Statue in Mount Arigata, Anazawa-ten Shrine, Inagi Central Park, Inagi Bridge
Flag of Inagi
Official seal of Inagi
Location of Inagi in Tokyo
Location of Inagi in Tokyo
Inagi is located in Japan
Coordinates: 35°38′16.6″N 139°30′16.4″E / 35.637944°N 139.504556°E / 35.637944; 139.504556
 • Total17.97 km2 (6.94 sq mi)
 (April 2021)
 • Total92,585
 • Density5,200/km2 (13,000/sq mi)
Time zoneUTC+9 (Japan Standard Time)
• TreeGinkgo biloba
• FlowerPyrus pyrifolia
Phone number042-378-2111
Address2111 Higashi-Naganuma, Inagi-shi, Tokyo 206-8601
WebsiteOfficial website
Inagi City Hall

Inagi (稲城市, Inagi-shi) is a city located in the western portion of the Tokyo Metropolis, Japan. As of 1 April 2021, the city had an estimated population of 92,585 in 41,592 households, and a population density of 5200 persons per km².[1] The total area of the city was 17.97 square kilometres (17,970,000 m2).



Inagi is located in the south-central portion of Tokyo Metropolis, approximately 25 kilometers from the center of Tokyo. The Tama River flows through the city, which is bordered by Kanagawa Prefecture to the south.

Surrounding municipalities


Tokyo Metropolis

Kanagawa Prefecture



Inagi has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Inagi is 14.3 °C. The average annual rainfall is 1647 mm with September as the wettest month. The temperatures are highest on average in August, at around 25.6 °C, and lowest in January, at around 3.2 °C.[2]



Per Japanese census data,[3] the population of Inagi has increased steadily since the 1950s.

Historical population
1950 9,824—    
1960 11,012+12.1%
1970 30,817+179.8%
1980 48,154+56.3%
1990 58,635+21.8%
2000 69,235+18.1%
2010 84,835+22.5%
2020 93,151+9.8%



The area of Inagi has been settled since the Japanese Paleolithic, or for over 20,000 years, based on projectile points, stone tools and microliths found in several locations within city borders. There is evidence of several Jomon period settlements, but settlement disappeared towards the end of the Jomon period due to climate change and eruptions of Mount Fuji. The area was sparely settled in the Yayoi period, with increasing settlement density in the Kofun period. A number of Nara period remains have been found, including the ruins of a roof tile kiln. During the Heian period, the area became part of a shōen controlled by the Oyamada clan, and later by their cadet branch, the Inabe clan into the Kamakura period, and was an area contested between competing branches of the Ashikaga clan and Uesugi clan in the Muromachi and Sengoku periods. After the start of the Edo period, the area was tenryō controlled directly by the Tokugawa shogunate. Inagi as a municipality was founded on April 1, 1889 as a village in what was then Minamitama District, Kanagawa Prefecture, from the merger of 6 pre-Meiji period hamlets with the establishment of the modern municipalities system. The district was transferred to the administrative control of Tokyo Metropolis on April 1, 1893.

On April 1, 1957, Inagi Village was promoted to town status, and to city status on November 1, 1971.



Inagi has a mayor-council form of government with a directly elected mayor and a unicameral city council of 22 members. Inagi, together with the city of Tama, contributes two members to the Tokyo Metropolitan Assembly. In elections to the lower house of the Diet of Japan, the city is a part of the Tokyo 30th district.





Inagi is largely a bedroom community for central Tokyo due to extensive new town public housing projects in the late 1950s, 1960s and 1970s. There is also some residual agriculture, notably pears and grapes. The paper manufacturer, Nippon Filcon is headquartered in Inagi.




The Tokyo Metropolitan Government Board of Education operates one high school:

Previously Inagi High School [ja] existed.

Inagi has twelve public elementary schools and six public junior high schools operated by the Inagi City Board of Education.

Municipal junior high schools:[4]

Municipal elementary schools:[4]

There is one private junior-senior high school:





JR EastNambu Line

Keio Corporation - Keio Sagamihara Line



Local attractions




Notable people from Inagi



  1. ^ "Inagi city official statistics" (in Japanese). Japan.
  2. ^ Inagi climate data
  3. ^ Inagi population statistics
  4. ^ a b "教育". Inagi City. Retrieved 2022-12-11.