Ōizumi
大泉町
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Ōizumi town hall
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Location of Ōizumi in Gunma Prefecture
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  Ōizumi
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| Coordinates: 36°14′52.2″N 139°24′17.7″E / 36.247833°N 139.404917°E / 36.247833; 139.404917 | |
| Country | Japan |
| Region | Kantō |
| Prefecture | Gunma |
| District | Ōra |
| Government | |
| • Mayor | Toshiaki Murayama |
| Area | |
| • Total | 18.03 km2 (6.96 sq mi) |
| Population
(August 2020)
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| • Total | 41,918 |
| • Density | 2,300/km2 (6,000/sq mi) |
| Time zone | UTC+9 (Japan Standard Time) |
| – Tree | Zelkova serrata |
| – Flower | Tulip, Salvia splendens |
| Phone number | 0276-63-3111 |
| Address | 55-1 Hinode, Ōizumi-machi, Gunma-ken 370-0595 |
| Website | Official website |
Ōizumi (大泉町, Ōizumi-machi) is a town located in Gunma Prefecture, Japan. As of 31 August 2020[update], the town had an estimated population of 41,918 in 19,773 households,[1] and a population density of 2300 persons per km2. The total area of the town is 18.03 km2 (6.96 sq mi). Approximately 20 percent of the total population are foreign citizens, mostly Japanese Brazilians, who work at many factories in the town. Since 1990, Japanese descendants from foreign countries have been permitted to stay in Japan freely. It is estimated that 15 percent of the population speak Portuguese as their native language,[2] and as of 2007, Ōizumi has the highest concentration of Brazilians of any city in Japan.[3] More recently, Nepalese and other Asians have begun settling in the town.[4]
Ōizumi is located in the extreme southern corner Gunma prefecture, bordered by Saitama Prefecture to the south. The Tone River flows through the southern part of the town.
Ōizumi has a Humid continental climate (Köppen Cfa) characterized by hot summers and cold winters. The average annual temperature in Ōizumi is 14.5 °C. The average annual rainfall is 1263 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.7 °C, and lowest in January, at around 3.3 °C.[5]
Per Japanese census data,[6] the population of Ōizumi has grown significantly over the past 100 years.
| Year | Pop. | ±% |
|---|---|---|
| 1920 | 8,626 | — |
| 1930 | 8,902 | +3.2% |
| 1940 | 12,059 | +35.5% |
| 1950 | 18,397 | +52.6% |
| 1960 | 19,128 | +4.0% |
| 1970 | 25,149 | +31.5% |
| 1980 | 31,283 | +24.4% |
| 1990 | 39,232 | +25.4% |
| 2000 | 41,403 | +5.5% |
| 2010 | 40,254 | −2.8% |
| 2020 | 42,089 | +4.6% |
The villages of Ōkawa and Koizumi were created within Ōra District, Gunma Prefecture on April 1, 1889 with the creation of the modern municipalities system after the Meiji Restoration. Koizumi was elevated to town status on July 25, 1902. On March 31, 1957 Koizumi merged with the village of Ōkawa and was renamed Ōizumi. Plans to merge with neighboring Chiyoda in 2004 and with Ōta in 2008 were rejected by the local town assembly.
Ōizumi has a mayor-council form of government with a directly elected mayor and a unicameral town council of 14 members. Ōizumi, together with the other municipalities in Ōra District contributes three members to the Gunma Prefectural Assembly. In terms of national politics, the town is part of Gunma 3rd district of the lower house of the Diet of Japan.
Ōizumi has an industrial base, with manufacturing facilities including plants from Ajinomoto, Sanyo, Toppan, Maruha Nichiro and Fuji Heavy Industries (which was previously the plant of the Nakajima Aircraft Company), located in the town.
Ōizumi has four public elementary schools and three public junior high schools operated by the town government, and two public high schools operated by the Gunma prefecture Board of Education.
Prefectural high schools:
Municipal junior high schools:[7]
Municipal elementary schools:[7]
International schools:
The city formerly housed the Escola da Professora Rebeca, another Brazilian international school.[9]
Tōbu Railway – Tōbu Koizumi Line
– Guaratinguetá, São Paulo, Brazil
Media related to Ōizumi, Gunma at Wikimedia Commons
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