Minoh is a city in northwestern Osaka Prefecture, Japan. As of 31 January 2023, the city had an estimated population of 139,118 in 62451 hous…Minoh is a city in northwestern Osaka Prefecture, Japan. As of 31 January 2023, the city had an estimated population of 139,118 in 62451 households and a population density of 2900 persons per km². The total area of the city is 47.90 square kilometres. It is a suburban city of Osaka City and a part of the Kyoto-Osaka-Kobe metropolitan area. Its name is commonly romanized as "Minō" or "Minoo"; however, the city government officially uses the transliteration "Minoh" in romaji.