Saitama埼玉県
Kawagoe 川越市
Data last updated:
Kawagoe, Saitama, Japan has a population of 354,567 (2025 national census). IPSS projections estimate 352,898 by 2030 and 331,749 by 2050 (a decrease of about 6.4% from 2020), with the share of residents aged 65+ rising from 28.0% in 2020 to 35.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
354,567
2030
(Projection)
352,898
▼ -0.5%
2040
(Projection)
343,119
▼ -3.2%
2050
(Projection)
331,749
▼ -6.4%
Change vs. 2020 census
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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.
Kawagoe Population Table (1980–2050)
Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 1980 | 259,314 | ▼ -26.9% | Census |
| 1985 | 285,437 | ▼ -19.5% | Census |
| 1990 | 304,854 | ▼ -14.0% | Census |
| 1995 | 323,353 | ▼ -8.8% | Census |
| 2000 | 330,766 | ▼ -6.7% | Census |
| 2005 | 333,795 | ▼ -5.9% | Census |
| 2010 | 342,670 | ▼ -3.4% | Census |
| 2015 | 350,745 | ▼ -1.1% | Census |
| 2020 | 354,571 | — | Census |
| 2025 | 354,567 | → 0.0% | Census |
| 2030 | 352,898 | ▼ -0.5% | Projection |
| 2035 | 348,570 | ▼ -1.7% | Projection |
| 2040 | 343,119 | ▼ -3.2% | Projection |
| 2045 | 337,466 | ▼ -4.8% | Projection |
| 2050 | 331,749 | ▼ -6.4% | Projection |
About Kawagoe
Overview
Kawagoe (川越市) is a municipality in Saitama, Japan, with a population of 354,567 as of 2025.
Population Projection of Kawagoe
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kawagoe's population is expected to reach 352,898 by 2030 (-0.5%), 343,119 by 2040 (-3.2%), and 331,749 by 2050 (-6.4%). A modest population change is expected.
Aging Rate of Kawagoe
The aging rate (percentage of residents aged 65 and over) is 28.0% as of 2020 and is projected to rise to 35.9% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Kawagoe's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1683 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1551 out of 1903 nationwide.
- Population size: Ranked #70 out of 1917 nationwide.
- Related: National rankings / All municipalities in Saitama
Earnings in Saitama (埼玉県): Average salary in Saitama (埼玉県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure