
Tsukuba (つくば市, Tsukuba-shi) is a city located in Ibaraki Prefecture, Japan. As of 1 July 2020, the city had an estimated population of 244,528 in 108,669 households and a population density of 862 persons per km². The percentage of the population aged over 65 was 20.3%. The total area of the city is 283.72 square kilometres (109.54 sq mi). It is known as the location of the Tsukuba Science City (筑波研究学園都市, Tsukuba Kenkyū Gakuen Toshi), a planned science park developed in the 1960s.
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Naka
Takahagi
Hitachi
Kitaibaraki
Ryūgasaki
Koga
Kasama
Moriya
Yūki
Ami
Inashiki
Ishioka
Itako
Jōsō
Kamisu
Kashima
Kasumigaura
Kawachi
Mito
Namegata
Omitama
Sakai
Sakuragawa
Shimotsuma
Shirosato
Tone
Toride
Tsuchiura
Tsukubamirai
Ushiku
Yachiyo
Ōarai
Bandō
Chikusei
Daigo
Goka
Hitachinaka
Hitachiōmiya
Hitachiōta
Hokota
Ibaraki
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