Total population (2020)
584,483
Change by 2050 (vs 2020)
+3.5%
Share aged 65+
22.7%
Akiya (vacancy) rate
11.7%
Private rent (JPY/m²)
2,328 JPY/m²/month (≈ $15.0 at ¥155/USD, Jun 2026)
Net migration
+3862.0
Investment Attractiveness Score
72 / 100
Relocation Suitability Score
69 / 100
Scores are this site's own 0–100 indices based on the 2020 Census; 2025 figures are shown for reference.
Population Projection (2025–2050)
IPSS projection (令和5年 / 2023). Change vs 2020 Census (584,483).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 591,743 | 595,000vs projection +3,257 | +1.2% |
| 2030 | 598,135 | — | +2.3% |
| 2035 | 603,745 | — | +3.3% |
| 2040 | 606,997 | — | +3.9% |
| 2045 | 607,176 | — | +3.9% |
| 2050 | 605,109 | — | +3.5% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 11.7% (national avg. 13.8%).
Private rental rent: 2,328 JPY/m²/month (≈ $15.0 at ¥155/USD, Jun 2026).
This vacancy count includes secondary homes (e.g. vacation homes), so it runs high in resort/tourist areas. See the Statistics Bureau Housing and Land Survey definitions. Average of all units including older buildings; differs from current asking rents.