Kadoma 門真市 | |
|---|---|
Kadoma city | |
Location of Kadoma in Osaka Prefecture | |
| Coordinates:34°44′N135°35′E / 34.733°N 135.583°E /34.733; 135.583 | |
| Country | Japan |
| Region | Kansai |
| Prefecture | Osaka |
| Government | |
| • Mayor | Kazutaka Miyamoto (since August 2016) |
| Area | |
• Total | 12.30 km2 (4.75 sq mi) |
| Population (September 1, 2024) | |
• Total | 116,511 |
| • Density | 9,472/km2 (24,530/sq mi) |
| Time zone | UTC+09:00 (JST) |
| City hall address | 1-1 Nakamachi, Kadoma-shi, Ōsaka-fu 571-8585 |
| Website | Official website |
| Symbols | |
| Flower | Rhododendron indicum |
| Tree | Camphor Laurel |

Kadoma (門真市,Kadoma-shi) is acity located inOsaka Prefecture,Japan. As of 1 September 2024[update], the city had an estimatedpopulation of 116,511 in 64301 households and apopulation density of 9680 persons per km2.[1] The total area of the city is 12.30 square kilometres (4.75 sq mi).
Kadoma is located in the east-central part of Osaka Prefecture, adjacent to the Osaka metropolis, of which it is a satellite city. The city is approximately 4.9 kilometers east–west by 4.3 kilometers north–south, with the Furukawa River running through the center.
Osaka Prefecture
Kadoma has aHumid subtropical climate (KöppenCfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Kadoma is 15.6 °C. The average annual rainfall is 1475 mm with September as the wettest month. The temperatures are highest on average in August, at around 27.7 °C, and lowest in January, at around 4.2 °C.[2]
Per Japanese census data,[3] the population of Kadoma rose very rapidly in the 1960s peaked around 1990 and has since started a mild decline.
| Year | Pop. | ±% |
|---|---|---|
| 1920 | 8,599 | — |
| 1930 | 10,507 | +22.2% |
| 1940 | 14,367 | +36.7% |
| 1950 | 17,313 | +20.5% |
| 1960 | 34,228 | +97.7% |
| 1970 | 141,041 | +312.1% |
| 1980 | 138,902 | −1.5% |
| 1990 | 142,297 | +2.4% |
| 2000 | 135,648 | −4.7% |
| 2010 | 130,368 | −3.9% |
The area of the modern city of Kadoma was within ancientKawachi Province. During theJōmon period, this area was underKawachi Bay, and inlet ofOsaka Bay. During theYayoi period the bay became a lake and various settlements arose on its shores.Dotaku ritual objects andkofunburial mounds were built, and theKojiki andNihon Shoki record thatEmperor Nintoku ordered the construction of an embankment to control repeated flooding of theYodo River, the early known of such projects in Japan. During theHeian period, largeshōen landed estates were established, and in theKamakura andMuromachi period, the entire area of the city was under cultivation. During theEdo Period, due to its proximity toKyoto and Osaka, most of the area was held astenryō territory under the direct control of theTokugawa shogunate. The village of Kadoma, was established within Matta District with the creation of the modern municipalities system on April 1, 1889. On April 1, 1896 the area became part ofKitakawachi District, Osaka. On April 1, 1939 Kadoma raised to town status. The neighboring villages of Owada and Shinomiya were absorbed on September 30, 1956. On August 1, 1963 Kadoma was raised to city status. Plans to merge Kadoma with the neighboring city ofMoriguchi were rejected overwhelming by local residents of both cities in 2005.
Kadoma has amayor-council form of government with a directly elected mayor and aunicameral city council of 20 members. Kadoma contributes one member to theOsaka Prefectural Assembly. In terms of national politics, the city is part of Osaka 6th district of thelower house of theDiet of Japan.

Kadoma was traditionally known as the "breadbasket" of Osaka and was especially noted for itslotus roots. Due to its proximity to the Osaka metropolis and multiple transportation connections, Kadoma is now largely acommuter town. However, a number of large corporations have the headquarters and head factories in the city, includingPanasonic Corporation,Tiger Corporation andKaiyodo have their headquarters in Kadoma.[4][5][6]
Kadoma has 14 public elementary schools and six public middle schools operated by the city government and two public high schools operated by the Osaka Prefectural Department of Education. The prefecture also operates one special education school for the handicapped.
Keihan Electric Railway –
Keihan Main Line
Osaka Metro -
Nagahori Tsurumi-ryokuchi Line
