Shiroishi montage, Top:Zao Mount Range and Shiroishi River, Middle left:Shiroishi Castle, Middle upper right:Kamasaka Spa, Middle lower right:Yajiro Kokeshi, Bottom left:Shiroishi Hot Noodle (Umen), Bottom right:Mausoleum of the Katakura Clan.
Location of Shiroishi in Miyagi Prefecture
|o -Mayor||Y?ichi Yamada|
|o Total||286.48 km2 (110.61 sq mi)|
(May 31, 2020)
|o Density||120/km2 (300/sq mi)|
|Time zone||UTC+9 (Japan Standard Time)|
|o Tree||Japanese beech|
|o Bird||Japanese bush-warbler|
|Address||1-1 ?temachi, Shiroishi-shi, Miyagi-ken 989-0292|
Shiroishi (, Shiroishi-shi) is a city in Miyagi Prefecture, Japan. As of 31 May 2020 , the city had an estimated population of 33,330 and a population density of 120 persons per km2 in 14,242 households. The total area of the city is 286.48 square kilometres (110.61 sq mi).
Shiroishi has a humid climate (Köppen climate classification Cfa) characterized by mild summers and cold winters. The average annual temperature in Shiroishi is 11.4 °C. The average annual rainfall is 1292 mm with September as the wettest month. The temperatures are highest on average in August, at around 24.4 °C, and lowest in January, at around -0.2 °C.
Per Japanese census data, the population of Shiroishi peaked at around the year 1990, and has declined since.
The area of present-day Shiroishi was part of ancient Mutsu Province and was under control of the Date clan of Sendai Domain during the Edo period, under the Tokugawa shogunate. During the Boshin War of the Meiji Restoration, Shiroishi Castle was the site of a battle between the pro-imperial and pro-Tokugawa forces of the ?uetsu Reppan D?mei. After the end of the Boshin War, the Nambu clan of Morioka Domain was briefly relocated to a reduced domain centered on Shiroishi by the Meiji government.
The town of Shiroishi was established on June 1, 1889 with the establishment of the post-Meiji restoration modern municipalities system. The villages of Odaira, Otakasawa, Kosugo, Saikawa, Shirakawa and Fukuoka merged with Shiroishi on April 1, 1954, which was then raised to city status. The village of Obara was annexed to Shiroishi on March 31, 1957.
Shiroishi has a mayor-council form of government with a directly elected mayor and a unicameral city legislature of 18 members.. Shiroishi, collectively with the towns of Za? and Shichikashuku, contributes two seats to the Miyagi Prefectural legislature. In terms of national politics, the city is part of Miyagi 3rd district of the lower house of the Diet of Japan.
Shiroishi has a mixed economy, dominated by light manufacturing of electronics, automotive components and food processing. Agriculture is dominated by rice cultivation on the flatlands and horticulture in more hilly areas.
Shiroishi has nine public elementary schools and five public junior high schools operated by the city government and two public high schools operated by the Miyagi Prefectural Board of Education. The prefecture also operates two special education schools.