Shiraoka 白岡市 | |
|---|---|
 Shiraoka City Hall | |
 Flag  Seal | |
 Location of Shiraoka in Saitama Prefecture | |
  Shiraoka | |
| Coordinates:36°1′8.6″N139°40′37″E / 36.019056°N 139.67694°E /36.019056; 139.67694 | |
| Country | Japan |
| Region | Kantō |
| Prefecture | Saitama |
| Area | |
• Total | 24.92 km2 (9.62 sq mi) |
| Population (February 2021) | |
• Total | 52,431 |
| • Density | 2,104/km2 (5,449/sq mi) |
| Time zone | UTC+9 (Japan Standard Time) |
| - Tree | Pine |
| - Flower | Pyrus pyrifolia |
| Phone number | 0480-92-1111 |
| Address | 432 Sendano, Shiraoka-shi, Saitama-ken 349-0215 |
| Website | Official website |
Shiraoka (白岡市,Shiraoka-shi) is acity located inSaitama Prefecture,Japan. As of 1 February 2021[update], the city had an estimatedpopulation of 52,431 in 21,997 households and apopulation density of 2100 persons per km2.[1] The total area of the city is 24.92 square kilometres (9.62 sq mi).
Shiraoka is located slightly south of the center of theKanto Plain in the flatlands eastern Saitama Prefecture and has an almost flat terrain. The highest point in the city is 16 meters above sea level. The Motoara River runs along the city border with Hasuda. Shiraoka is approximately 40 kilometers from downtown Tokyo.,
Shiraoka has ahumid subtropical climate (KöppenCfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Shiraoka is 14.7 °C. The average annual rainfall is 1352 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 3.77 °C.[2]
Per Japanese census data,[3] the population of Shiraoka has increased from the 1980s.
| Year | Pop. | ±% |
|---|---|---|
| 1980 | 31,624 | — |
| 1990 | 38,319 | +21.2% |
| 2000 | 46,999 | +22.7% |
| 2010 | 50,272 | +7.0% |
| 2020 | 52,214 | +3.9% |
The villages of Shinozu and Oyama were created within Minamisaitama District, Saitama with the establishment of the modern municipalities system on April 1, 1889. On September 1, 1965, Shinozu and the neighboring village of Hikachi, together with a part of Oyama merged to form the town of Shiraoka. Shiraoka was elevated to city status on October 1, 2012.[4]
Shiraoka has amayor-council form of government with a directly elected mayor and aunicameral city council of 18 members. Shiraoka, together with the town ofMiyashiro, contributes one member to the Saitama Prefectural Assembly. In terms of national politics, the city is part ofSaitama 13th district of thelower house of theDiet of Japan.
Shiraoka remains primarily an agricultural community; however due to its location, it is increasingly becoming abedroom community for neighboring Saitama City and the Tokyo metropolis.
Shiraoka has five public elementary schools and four public middle schools operated by the city government, and one public high school operated by the Saitama Prefectural Board of Education.
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