Chiba Prefecture Kujūkuri has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall.

In the Meiji period, the villages of Katakai and Toyoumi were established within Sanbu District, Chiba with the creation of the modern municipalities system.

Kujūkuri has a mayor-council form of government with a directly elected mayor and a unicameral town council of 14 members.

In terms of national politics, the town is part of Chiba 11th district of the lower house of the Diet of Japan.

Commercial fishing and food processing (particularly sardine processing) remain the primary industries of Kujūkuri, although the town is primarily known as a beach resort, from its seaside location and mild climate, and attracts more than million tourists each year.