Ishii is located in northeastern Tokushima Prefecture on the island of Shikoku. On the north side of the town, the Yoshino River flows from east to west, and near the center of the town, the Iio River, which is a tributary of the Yoshino River, meanders. The land is almost all flat except for the mountains along the city-town border on the south side of the town.
Ishii has a Humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light snowfall. The average annual temperature in Ishii is 15.2 °C. The average annual rainfall is 2128 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.4 °C, and lowest in January, at around 4.5 °C.[2]
Demographics
Per Japanese census data,[3] the population of Ishii has remained relatively stable for the past 60 years.
Historical population
Year
Pop.
±%
1920
18,459
—
1930
19,243
+4.2%
1940
18,599
−3.3%
1950
24,668
+32.6%
1960
21,505
−12.8%
1970
21,219
−1.3%
1980
24,434
+15.2%
1990
25,207
+3.2%
2000
26,023
+3.2%
2010
25,965
−0.2%
History
As with all of Tokushima Prefecture, the area of Ishii was part of ancient Awa Province. The village of Ishii was established within Myozai District, Tokushima with the creation of the modern municipalities system on October 1, 1889. It was raised to town status on November 1, 1907. Ishii annexed the neighboring villages of Urasho, Takahara, Aihata and Takagawara on March 31, 1955.
Ishii has primarily an agricultural economy; however, due to its geographic proximity to Tokushima, it is increasingly becoming a commuter town. Nippon Ham and Morinaga Milk Industry are major employers.
Education
Ishii has six public elementary schools and two public middle schools operated by the town government and one public high school operated by the Tokushima Prefectural Department of Education. The Tokushima Prefectural College of Agriculture is located in Ishii.
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