Saitama埼玉県
Koshigaya 越谷市
Data last updated:
2020
(Census)
341,765
2030
(Projection)
343,314
▲ +0.5%
2040
(Projection)
337,927
▼ -1.1%
2050
(Projection)
330,327
▼ -3.3%
Other municipalities in Saitama (埼玉県)
Data Sources
- Portal Site of Official Statistics of Japan (e-Stat)（https://www.e-stat.go.jp/）
- National Institute of Population and Social Security Research (IPSS), Regional Population Projections (2023 ed.)
* This service uses the e-Stat API but its content is not guaranteed by the Japanese government.
About Koshigaya
Overview
Koshigaya (越谷市) is a municipality in Saitama, Japan, with a population of 341,765 as of 2020.
Population Projection
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Koshigaya's population is expected to reach 343,314 by 2030 (+0.5%), 337,927 by 2040 (-1.1%), and 330,327 by 2050 (-3.3%). A modest population change is expected.
Aging Outlook
The aging rate (percentage of residents aged 65 and over) is 25.5% as of 2020 and is projected to rise to 33.0% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Koshigaya's demographic trajectory is similar to the national average.