Kanagawa神奈川県
Samukawa 寒川町
Data last updated:
Samukawa, Kanagawa, Japan has a population of 48,081 (2025 national census). IPSS projections estimate 46,981 by 2030 and 42,167 by 2050 (a decrease of about 12.8% from 2020), with the share of residents aged 65+ rising from 27.6% in 2020 to 36.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
48,081
2030
(Projection)
46,981
▼ -2.8%
2040
(Projection)
44,677
▼ -7.6%
2050
(Projection)
42,167
▼ -12.8%
Change vs. 2020 census
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Other municipalities in Kanagawa (神奈川県)
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.
Samukawa 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 | 36,417 | ▼ -24.7% | Census |
| 1985 | 40,141 | ▼ -17.0% | Census |
| 1990 | 44,532 | ▼ -7.9% | Census |
| 1995 | 47,438 | ▼ -1.9% | Census |
| 2000 | 46,369 | ▼ -4.1% | Census |
| 2005 | 47,457 | ▼ -1.8% | Census |
| 2010 | 47,672 | ▼ -1.4% | Census |
| 2015 | 47,936 | ▼ -0.9% | Census |
| 2020 | 48,348 | — | Census |
| 2025 | 48,081 | ▼ -0.6% | Census |
| 2030 | 46,981 | ▼ -2.8% | Projection |
| 2035 | 45,904 | ▼ -5.1% | Projection |
| 2040 | 44,677 | ▼ -7.6% | Projection |
| 2045 | 43,395 | ▼ -10.2% | Projection |
| 2050 | 42,167 | ▼ -12.8% | Projection |
About Samukawa
Overview
Samukawa (寒川町) is a municipality in Kanagawa, Japan, with a population of 48,081 as of 2025.
Population Projection of Samukawa
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Samukawa's population is expected to reach 46,981 by 2030 (-2.8%), 44,677 by 2040 (-7.6%), and 42,167 by 2050 (-12.8%). A modest population change is expected.
Aging Rate of Samukawa
The aging rate (percentage of residents aged 65 and over) is 27.6% as of 2020 and is projected to rise to 36.8% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Samukawa's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1543 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1493 out of 1903 nationwide.
- Population size: Ranked #691 out of 1917 nationwide.
- Related: National rankings / All municipalities in Kanagawa
Earnings in Kanagawa (神奈川県): Average salary in Kanagawa (神奈川県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure