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Ōamishirasato

大網白里市
Ōamishirasato 大網白里市
City
	Ōamishirasato City Hall
	Flag Seal
	Location of Ōamishirasato in Chiba Prefecture
	Ōamishirasato
	Coordinates: 35°31′N 140°19′E / 35.517°N 140.317°E
Country	Japan
Region	Kantō
Prefecture	Chiba
Area
• Total	58.06 km2 (22.42 sq mi)
Population (November 2020)
• Total	49,019
• Density	840/km2 (2,200/sq mi)
Time zone	UTC+9 (Japan Standard Time)
- Tree	Osmanthus
- Flower	Cosmos (plant)
Phone number	0475-70-0300
Address	115-2 Ōami, Ōamishirasato-shi, Chiba-ken 299-3292
Website	Official website

Ōamishirasato (大網白里市, Ōamishirasato-shi) is a city located in Chiba Prefecture, Japan. As of 1 November 2020^[update], the city had an estimated population of 49,019 in 21,860 households and a population density of 840 persons per km².^[1] The total area of the city is 58.06 square kilometres (22.42 sq mi).

Geography

Ōamishirasato is located in central Chiba prefecture, approximately 50 to 60 kilometers from the center of Tokyo. The city area is long and narrow from east to west. In the west is the hilly "Oami district", in the center is the agricultural "Masuho district" and in the east, facing the Pacific Ocean is the "Shirasato district". The city is in the southwestern part of Kujukuri Plain and is part of the Kujūkuri beach region.

Surrounding municipalities

Chiba Prefecture

Climate

Ōamishirasato has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Ōamishirasato is 15.2 °C. The average annual rainfall is 1581 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.2 °C, and lowest in January, at around 5.3 °C.^[2]

Demographics

Per Japanese census data,^[3] the population of Ōamishirasato has recently plateaued after a long period of growth.

Historical population
Year	Pop.	±%
1970	22,789	—
1980	25,478	+11.8%
1990	32,742	+28.5%
2000	48,051	+46.8%
2010	50,113	+4.3%
2020	48,129	−4.0%

History

Ōami Town and Shirasato Village were created during the organization of Sanbu District within Chiba Prefecture with the establishment of the modern municipalities system on April 1, 1889. Shirasato was elevated to town status on August 10, 1935. Ōami Town expanded through the annexation of neighboring villages of Yamane and Mizuho on April 1, 1951. Ōami and Shirasato Towns and Masuho Village were merged to create Ōamishirasato Town on December 1, 1954. The town annexed a portion of Honnō Town in a boundary adjustment of November 1, 1957. Ōamishirasato was elevated to city status on January 1, 2013.^[4]^[5]^[6]

Government

Ōamishirasato has a mayor-council form of government with a directly elected mayor and a unicameral city council of 18 members. Ōamishirasato contributes one member to the Chiba Prefectural Assembly. In terms of national politics, the city is part of Chiba 11th district of the lower house of the Diet of Japan.

Economy

Ōamishirasato is a regional commercial center, and a bedroom community for the nearby metropolis of Chiba. Per the fiscal 2010 census, the commuting rate is 18.8% for Chiba and 11.7% for Tokyo.

Education

Ōamishirasato has seven public elementary schools and three public middle schools operated by the city government, and one public high school operated by the Chiba Prefectural Board of Education.

Transportation

Railway

JR East – Sotobō Line

Ōami - Nagata

JR East – Tōgane Line

Ōami

Highway

Ken-Ō Expressway – Ōamishirasato Smart Interchange
National Route 128
National Route 409

Sister cities

Nakanojō, Gunma, since February 1979

Noted people from Ōamishirasato

Misaki Doi, professional tennis player
Aya Miyama, women’s professional soccer player

References

^ "Ōamishirasato city official statistics" (in Japanese). Japan.
^ Ōamishirasato climate data
^ Ōamishirasato population statistics
^ Ishii, Sōseki, ed. (May 2012). 平成25年１月１日大網白里市誕生に向けて [Toward the formation of the city of Ōamishirasato on Jan. 1, 2013] (PDF). Hōkoku Ōamishirasato (in Japanese) (541). Ōamishirasato-machi, Chiba Prefecture, Japan: Ōamishirasato-machi, Hissho Kōhōka, Kōhō Tōkeihan: 2. Retrieved May 10, 2012.
^ Yoshimura, Kenji (March 2, 2012). "Indiana University Libraries, Bloomington Serials Holdings, 1985" 大網白里町:名称「大網白里市」に来年１月 [Town of Ōamishirasato will be named "City of Ōamishirasato" in January 2013]. Mainichi Shinbun (in Japanese). Tokyo: Mainichi Newspapers. OCLC 10684368. Retrieved May 10, 2012.
^ 新市へ５８年の歴史に幕大網白里町で閉町式 [After 58 Years, a New City: a Ceremony for the Closing of the Town of Ōamishirasato]. Chiba Nippo (in Japanese). Chiba, Chiba Prefecture, Japan: Chiba Nippo Co., Ltd. 2012-12-29. Retrieved 2012-12-31.