The city hall was to be located in the Naka-Maizuru branch of Higashi Maizuru City, and the total population reached over 150 thousand people, making Maizuru City the largest, most important city on the Japan Sea Coast.
市役所は東舞鶴市中舞鶴支所に置かれることとなり、人口は15万人を超え、日本海側有数の大都市として重要な地位を占めるに至った。