Seirō (聖籠町, Seirō-machi) is a town located in Niigata Prefecture, Japan. As of 1 July 2019[update], the town had an estimated population of 14,025 in 4715 households,[1] and a population density of 373 persons per km2. The total area of the town was 37.58 square kilometres (14.51 sq mi).
Geography
Seirō is located in central Niigata Prefecture, sandwiched between the cities of Niigata and Shibata, with a small coastline on the Sea of Japan.
Seirō has a humid climate (Köppen Cfa) characterized by warm, wet summers and cold winters with heavy snowfall. The average annual temperature in Seirō is 13.1 °C. The average annual rainfall is 1940 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.3 °C, and lowest in January, at around 1.5 °C.[2]
Demographics
Per Japanese census data,[3] the population of Seirō has grown slightly over the past 50 years.
Historical population
Year
Pop.
±%
1970
11,760
—
1980
12,232
+4.0%
1990
12,290
+0.5%
2000
13,313
+8.3%
2010
13,724
+3.1%
2020
14,259
+3.9%
History
The area of present-day Seirō was part of ancient Echigo Province. After the Meiji restoration, the area was organized as part of Kitakanbara District, Niigata. The village of Seirō was established on April 1, 1889 with the creation of the modern municipalities system. It was raised to town status in August 1977.
