Osaka Prefecture Kadoma has a Humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall.

[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.

Dotaku ritual objects and kofun burial mounds were built, and the Kojiki and Nihon Shoki record that Emperor Nintoku ordered the construction of an embankment to control repeated flooding of the Yodo River, the early known of such projects in Japan.

During the Edo Period, due to its proximity to Kyoto and Osaka, most of the area was held as tenryō territory under the direct control of the Tokugawa shogunate.

In terms of national politics, the city is part of Osaka 6th district of the lower house of the Diet of Japan.

Due to its proximity to the Osaka metropolis and multiple transportation connections, Kadoma is now largely a commuter town.