Kanagawa神奈川県
Isogo 横浜市磯子区
Data last updated:
Isogo, Kanagawa, Japan has a population of 163,579 (2025 national census). IPSS projections estimate 163,670 by 2030 and 150,823 by 2050 (a decrease of about 9.5% from 2020), with the share of residents aged 65+ rising from 28.5% in 2020 to 36.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
163,579
2030
(Projection)
163,670
▼ -1.8%
2040
(Projection)
157,759
▼ -5.4%
2050
(Projection)
150,823
▼ -9.5%
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.
Isogo 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 | 156,586 | ▼ -6.1% | Census |
| 1985 | 162,484 | ▼ -2.5% | Census |
| 1990 | 168,846 | ▲ +1.3% | Census |
| 1995 | 168,568 | ▲ +1.1% | Census |
| 2000 | 165,015 | ▼ -1.0% | Census |
| 2005 | 163,525 | ▼ -1.9% | Census |
| 2010 | 163,237 | ▼ -2.1% | Census |
| 2015 | 166,229 | ▼ -0.3% | Census |
| 2020 | 166,731 | — | Census |
| 2025 | 163,579 | ▼ -1.9% | Census |
| 2030 | 163,670 | ▼ -1.8% | Projection |
| 2035 | 160,916 | ▼ -3.5% | Projection |
| 2040 | 157,759 | ▼ -5.4% | Projection |
| 2045 | 154,374 | ▼ -7.4% | Projection |
| 2050 | 150,823 | ▼ -9.5% | Projection |
About Isogo
Overview
Isogo (横浜市磯子区) is a municipality in Kanagawa, Japan, with a population of 163,579 as of 2025.
Population Projection of Isogo
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Isogo's population is expected to reach 163,670 by 2030 (-1.8%), 157,759 by 2040 (-5.4%), and 150,823 by 2050 (-9.5%). A modest population change is expected.
Aging Rate of Isogo
The aging rate (percentage of residents aged 65 and over) is 28.5% as of 2020 and is projected to rise to 36.5% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Isogo's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1627 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1515 out of 1903 nationwide.
- Population size: Ranked #233 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