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Kiyosu (清須市, Kiyosu-shi) is a city located in Aichi Prefecture, Japan. As of 1 October 2019, the city had an estimated population of 69,687 in 29,477 households,[1] and a population density of 4,017 persons per km². The total area of the city is 17.35 square kilometres (6.70 sq mi).

Kiyosu Castle
Kiyosu Castle
Flag of Kiyosu
Official logo of Kiyosu
Location of Kiyosu in Aichi Prefecture
Location of Kiyosu in Aichi Prefecture
Kiyosu is located in Japan
Coordinates: 35°11′59.3″N 136°51′10.3″E / 35.199806°N 136.852861°E / 35.199806; 136.852861Coordinates: 35°11′59.3″N 136°51′10.3″E / 35.199806°N 136.852861°E / 35.199806; 136.852861
RegionChūbu (Tōkai)
 • MayorSumio Nagata (since 2017)
 • Total17.35 km2 (6.70 sq mi)
 (October 1, 2019)
 • Total69,687
 • Density4,000/km2 (10,000/sq mi)
Time zoneUTC+9 (Japan Standard Time)
- TreeCornus florida
- FlowerTulip, Cherry blossom
Phone number052-400-2911
Address1238 Sukaguchi, Kiyosu-shi, Aichi-ken 452-8569
WebsiteOfficial website


DownTown of Kiyosu

Kiyosu is located in far western Aichi Prefecture, in the western portion of the Nōbi Plain on the Shōnai River. It is bordered by the Nagoya metropolis to the east. Most of the city has an altitude of under 10 meters above sea level.


The city has a climate characterized by hot and humid summers, and relatively mild winters (Köppen climate classification Cfa). The average annual temperature in Kiyosu is 15.8 °C. The average annual rainfall is 1688 mm with September as the wettest month. The temperatures are highest on average in August, at around 28.1 °C, and lowest in January, at around 4.4 °C.[2]


Per Japanese census data,[3] the population of Kiyosu has grown steadily over the past 60 years.

Historical population
1950 36,294—    
1960 46,433+27.9%
1970 59,752+28.7%
1980 61,138+2.3%
1990 61,578+0.7%
2000 63,009+2.3%
2010 65,864+4.5%

Surrounding municipalitiesEdit

Aichi Prefecture


Remains of Kiyosu-juku's honjin

Middle AgesEdit

Kiyosu was the location of a post town (Kiyosu-juku) on the junction of the Nakasendō and the Minoji connecting Kamakura with Kyoto and the Ise Shrine during the Kamakura period.

In the Muromachi period, the area was fortified with the construction of Kiyosu Castle, which subsequently became a stronghold of the Oda clan and the base from which Oda Nobunaga consolidated his control over Owari Province during the Sengoku period.

Early modern periodEdit

After the start of the Edo period, Kiyosu Castle was dismantled by order of Tokugawa Ieyasu, and most of the population relocated to Nagoya.

Late modern periodEdit

By the start of the Meiji period, the area was a rural area organized into villages within Nishikasugai District of Aichi Prefecture. The town of Kiyosu was proclaimed on August 1, 1889 with the establishment of the modern municipalities system..

Contemporary historyEdit

The city of Kiyosu was established on July 7, 2005 from the merger of the former town Kiyosu with the towns of Shinkawa and Nishibiwajima (all from Nishikasugai District).

On October 1, 2009, the neighboring town of Haruhi (also from Nishikasugai District) was merged into Kiyosu.[4]


Kiyosu City Hall

Kiyosu has a mayor-council form of government with a directly elected mayor and a unicameral city legislature of 22 members. The city contributes two members to the Aichi Prefectural Assembly. In terms of national politics, the city is part of Aichi District 5 of the lower house of the Diet of Japan.

External relationsEdit

Twin towns – Sister citiesEdit



Kiyosu is a regional commercial center with a mixed economy. Due to its proximity to the Nagoya metropolis, it is increasingly becoming a bedroom community.



The Aichi Medical College for Physical and Occupational Therapy is also located in Kiyosu.


Kiyosu has eight public elementary schools and four public junior high schools operated by the city government, and two public high schools operated by the Aichi Prefectural Board of Education.



Conventional linesEdit

 Central Japan Railway Company



Japan National RouteEdit

Local attractionsEdit

Notable people from KiyosuEdit


  1. ^ Kiyosu City official statistics (in Japanese)
  2. ^ Kiyosu climate data
  3. ^ Kiyosu population statistics
  4. ^ "Archived copy". Archived from the original on 2007-07-28. Retrieved 2008-09-08.CS1 maint: archived copy as title (link)
  5. ^ "International Exchange". List of Affiliation Partners within Prefectures. Council of Local Authorities for International Relations (CLAIR). Archived from the original on 24 December 2015. Retrieved 21 November 2015.

External linksEdit

  Media related to Kiyosu, Aichi at Wikimedia Commons