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Coordinates: 35°53′23.8″N 140°39′52.3″E / 35.889944°N 140.664528°E / 35.889944; 140.664528
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(Redirected from Kamisu, Ibaraki)
Kamisu city hall
Kamisu city hall
Flag of Kamisu
Official logo of Kamisu
Location of Kamisu in Ibaraki Prefecture
Location of Kamisu in Ibaraki Prefecture
Kamisu is located in Japan
Coordinates: 35°53′23.8″N 140°39′52.3″E / 35.889944°N 140.664528°E / 35.889944; 140.664528
First official recorded290 AD
City SettledAugust 1, 2005
 • MayorSusumu Ishida (from December 2017)
 • Total146.94 km2 (56.73 sq mi)
 (October 2020)
 • Total95,396
 • Density650/km2 (1,700/sq mi)
Time zoneUTC+9 (Japan Standard Time)
- TreePodocarpaceae
- FlowerSarcandra glabra
- BirdJapanese bush warbler
Phone number0299-90-1111
Address4991-5, Mizoguchi, Kamisu-shi, Ibaraki-ken 314-0192
WebsiteOfficial website
Industry and harbour of Kamisu
Kashima Refinery

Kamisu (神栖市, Kamisu-shi) is a city located in Ibaraki Prefecture, Japan. As of 1 July 2020, the city had an estimated population of 95,384 in 40,759 households and a population density of 649 persons per km2. The percentage of the population aged over 65 was 23.6%.[1] The total area of the city is 146.97 square kilometres (56.75 sq mi).


Kamisu is located in the extreme southeastern portion of Ibaraki Prefecture. The city forms a rough triangle, with Chiba Prefecture on the western side and the Pacific Ocean on the east. The Tone River flows through the city.

Surrounding municipalities[edit]

Ibaraki Prefecture

Chiba Prefecture


Kamisu has a Humid continental climate (Köppen Cfa) characterized by warm summers and cool winters with light snowfall. The average annual temperature in Kamisu is 14.8 °C. The average annual rainfall is 1508 mm with September as the wettest month. The temperatures are highest on average in August, at around 25.7 °C, and lowest in January, at around 4.7 °C.[2]


Per Japanese census data,[3] the population of Kamisu has recently plateaued after decades of strong growth.

Historical population
1920 24,725—    
1930 26,847+8.6%
1940 30,295+12.8%
1950 41,331+36.4%
1960 41,030−0.7%
1970 49,360+20.3%
1980 67,364+36.5%
1990 77,596+15.2%
2000 87,626+12.9%
2010 94,795+8.2%
2020 95,454+0.7%


The village of Kamisu was established within Kashima District by the merger of the villages of Ikisu and Karuno on March 1, 1955. It was elevated to town status on January 1, 1970. The city of Kamisu was established on August 1, 2005, from the merger of the town of Kamisu and the town of Hasaki (also from Kashima District).


Kamisu has a mayor-council form of government with a directly elected mayor and a unicameral city council of 23 members. Kamisu contributes two members to the Ibaraki Prefectural Assembly. In terms of national politics, the city is part of Ibaraki 2nd district of the lower house of the Diet of Japan.


Kamisu has a large industrial base, with many chemical, petrochemical, specialty chemical plants, and refineries. The city is part of the Kashima Rinkai Industrial Zone. The Kashima Power Station is also located in Kamisu.


Kamisu has 14 public elementary schools and eight public middle schools operated by the city government, and three public high schools operated by the Ibaraki Prefectural Board of Education.





Sister city relations[edit]

Local attractions[edit]

  • Ikisu Jinja
  • Gonoike Ryokuchi Park

Notable people from Kamisu[edit]


  1. ^ "Ibaraki prefectural official statistics" (in Japanese). Japan.
  2. ^ Kamisu climate data
  3. ^ Kamisu population statistics

External links[edit]