Akaiwa

Akaiwa

赤磐市
Akaiwa 赤磐市
City
	Akaiwa City Hall
	Flag Seal
	Location of Akaiwa in Okayama Prefecture
	Akaiwa Location in Japan
	Coordinates: 34°45′19″N 134°01′08″E / 34.75528°N 134.01889°E
Country	Japan
Region	Chūgoku (San'yō)
Prefecture	Okayama
Government
• Mayor	Toshio Inoue (since April 2009)
Area
• Total	209.36 km2 (80.83 sq mi)
Population (March 1, 2023)
• Total	43,359
• Density	210/km2 (540/sq mi)
Time zone	UTC+09:00 (JST)
City hall address	344 Shimoichi, Akaiwa-shi, Okayama-ken 709-0898
Website	Official website
Symbols
Flower	Peach・Cherry blossom
Tree	Pinus

Akaiwa (赤磐市, Akaiwa-shi) is a city located in Okayama Prefecture, Japan. As of 1 March 2023^[update], the city had an estimated population of 43,359 in 18809 households and a population density of 210 persons per km².^[1] The total area of the city is 209.36 square kilometres (80.83 sq mi).

Geography

Akaiwa is located in east-central Okayama Prefecture. The Yoshii River, one of the three major rivers in the prefecture, flows through the northeastern part of the city. Although it is located in the northeastern part of the Okayama Plain, most of the city area is hills and forests.

Adjoining municipalities

Okayama Prefecture

Climate

Akaiwa has a humid subtropical climate (Köppen climate classification Cfa) with very warm summers and cool winters. The average annual temperature in Akaiwa is 14.5 °C. The average annual rainfall is 1306 mm with September as the wettest month. The temperatures are highest on average in January, at around 26.3 °C, and lowest in January, at around 3.2 °C.^[2]

Demographics

Per Japanese census data,^[3] the population of Akaiwa is as follows.

Historical population
Year	Pop.	±%
1960	31,234	—
1970	26,911	−13.8%
1980	37,007	+37.5%
1990	41,016	+10.8%
2000	43,813	+6.8%
2010	43,476	−0.8%

History

The Akaiwa area is part of ancient Bizen Province and was near the center of political power, as it was the location of the Bizen Kokubun-ji. During the Edo Period, it was part of the holdings of Okayama Domain. Following the Meiji restoration, the area was organized into villages within Akasaka and Iwanashi Districts of Okayama Prefecture with the creation of the modern municipalities system on April 1, 1889. The two districts were merged to form Akaiwa District, Okayama in 1900.

The city of Akaiwa was established on March 7, 2005, from the merger of the towns of Akasaka, Kumayama, San'yō and Yoshii (all from Akaiwa District).

Government

Akaiwa has a mayor-council form of government with a directly elected mayor and a unicameral city council of 18 members. Akaiwa contributes one member to the Okayama Prefectural Assembly. In terms of national politics, the city is part of the Okayama 1st district of the lower house of the Diet of Japan.

Economy

Then economy of Akaiwa is primarily based on agriculture and food processing. Horticulture, especially then cultivation of peaches and grapes, and production of agricultural machinery are important to then local economy.

Akaiwa is one of three remaining places in Japan that produces the bamboo stalk for fude ink brushes. The harvested bamboo stalks are spread in the dry riverbed of the Yoshii River during the winter to dry under the sun. The stalks are then boiled in the town to remove impurities.^[4]

Education

Akaiwa has 13 public elementary schools and five public junior high schools operated by the city government, and one public high school operated by the Okayama Prefectural Board of Education. There is also one private combined middle/high school.