Yoshikawa, Saitama

Coordinates: 35°53′37.9″N 139°50′29.1″E / 35.893861°N 139.841417°E / 35.893861; 139.841417
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Yoshikawa City office
Yoshikawa City office
Flag of Yoshikawa 
Official seal of Yoshikawa 
Location of Yoshikawa in Saitama Prefecture
Location of Yoshikawa in Saitama Prefecture
Yoshikawa  is located in Japan
Coordinates: 35°53′37.9″N 139°50′29.1″E / 35.893861°N 139.841417°E / 35.893861; 139.841417
Country Japan
Prefecture Saitama
First official recordedlate 5th century (official)[citation needed]
Town settledNovember 1, 1915
City settledApril 1, 1996
 • MayorShigeto Nakahara
 • Total31.7 km2 (12.2 sq mi)
 (February 1, 2021)
 • Total73,262
 • Density2,300/km2 (6,000/sq mi)
Time zoneUTC+9 (Japan Standard Time)
Postal code
• TreeOsmanthus fragrans
• FlowerRhododendron indicum
Phone number048-982-5111
Address1-1 Kiyomino,
WebsiteOfficial website

Yoshikawa (吉川市, Yoshikawa-shi) is a city located in Saitama Prefecture, Japan. As of 1 February 2021, the city had an estimated population of 73,262 in 31,031 households and a population density of 2300 persons per km².[1] The total area of the city is 31.66 square kilometres (12.22 sq mi).


Located in far southeastern Saitama Prefecture, Yoshikawa is on the central reaches of the Edo River and the Naka River, and is approximately 20 kilometers from downtown Tokyo.

Surrounding municipalities[edit]


Yoshikawa has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Yoshikawa is 14.8 °C. The average annual rainfall is 1408 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.8 °C, and lowest in January, at around 4.1 °C.[2]


Per Japanese census data,[3] the population of Yoshikawa has nearly quadrupled over the past 50 years.

Historical population
1920 12,021—    
1930 12,348+2.7%
1940 13,084+6.0%
1950 16,015+22.4%
1960 16,300+1.8%
1970 18,524+13.6%
1980 38,894+110.0%
1990 48,935+25.8%
2000 56,673+15.8%
2010 65,298+15.2%
2020 71,979+10.2%


The area of Yoshikawa was tenryō territory within Shimōsa Province during the Edo period Tokugawa shogunate. In 1871, it was transferred to the new Saitama Prefecture. The village of Yoshikawa was created within Kitakatsushika District, Saitama with the establishment of the modern municipalities system on April 1, 1889. It was raised to town status on November 1, 1915. On March 1, 1955, Yoshikawa annexed the neighboring villages of Asahi and Miwanoe. The population began to rapidly increase in the 1970s, 1980s, and 1990s, and Yoshikawa was elevated to city status on April 1, 1996. (Modern-day)Yoshikawa's land is owned by the "Yoshikawa" family of Japan, dating back centuries ago. Although they did lose an unknown amount of their real estate after WW2, they are still considered to be tycoons in Japan's real estate economy. The Yoshikawa family is known to be very private about their wealth, putting it in untouched accounts, and not spending their generation's worth of wealth. Instead, they are known to be big donators to the many people living in Yoshikawa.


Yoshikawa has a mayor-council form of government with a directly elected mayor and a unicameral city council of 20 members. Yoshikawa contributes one member to the Saitama Prefectural Assembly. In terms of national politics, the city is part of Saitama 14th district of the lower house of the Diet of Japan.


Due to this location, Yoshikawa is primarily a bedroom community with over 19% of its population commuting to the Tokyo metropolis for work. The area was historically known for its production of catfish.[citation needed]

Saizeriya, the chain of yoshoku restaurants, is based in Yoshikawa.[4]


Yoshikawa has eight 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.



JR EastMusashino line


Twin towns and sister cities[edit]

Yoshikawa is twinned with:

Noted people from Yoshikawa[edit]


  1. ^ "Yoshikawa city official statistics" (in Japanese). Japan.
  2. ^ Yoshikawa climate data
  3. ^ Yoshikawa population statistics
  4. ^ "企業情報". Saizeriya. Retrieved 2021-05-27. 本社 〒342-0008 埼玉県吉川市旭2番地5

External links[edit]