Tsukuba

Tsukuba
つくば市
Location of Tsukuba in Ibaraki Prefecture
Tsukuba
 
Coordinates: 36°5′0.5″N 140°4′35.2″E / 36.083472°N 140.076444°E / 36.083472; 140.076444
CountryJapan
RegionKantō
PrefectureIbaraki
First official recorded180 AD
Tsukuba town settledApril 1, 1889
Tsukuba city settledNovember 30, 1987
Government
  MayorTatsuo Igarashi (from November 2016)
Area
283.72 km2 (109.54 sq mi)
Population
 (January 1, 2024)
256,526
  Density900/km2 (2,300/sq mi)
  Metro
(2015)
843,402 (19th)
Time zoneUTC+9 (Japan Standard Time)
Address2530-2 Karima, Tsukuba-shi, Ibaraki-ken 305-8555
ClimateCfa
WebsiteOfficial website
Symbols
BirdUral owl
FlowerHoshizaki-yukinoshita (Saxifraga stolonifera Curtis f. aptera (Makino) H.Hara)
TreeJapanese zelkova

Tsukuba (つくば市, Tsukuba-shi) is a city located in Ibaraki Prefecture, Japan. As of January 1, 2024, the city had an estimated population of 256,526 in 121,001 households and a population density of 900 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.