Total population (2020)
308,681
Change by 2050 (vs 2020)
-11.4%
Share aged 65+
25.8%
Akiya (vacancy) rate
12.6%
Private rent (JPY/m²)
1,182 JPY/m²/month (≈ $7.6 at ¥155/USD, Jun 2026)
Net migration
+233.0
Investment Attractiveness Score
54 / 100
Relocation Suitability Score
65 / 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 (308,681).
| Year | Projection | Actual (prelim.) | vs 2020 |
|---|---|---|---|
| 2025 | 306,575 | 303,120vs projection -3,455 | -0.7% |
| 2030 | 301,375 | — | -2.4% |
| 2035 | 295,041 | — | -4.4% |
| 2040 | 288,021 | — | -6.7% |
| 2045 | 280,808 | — | -9.0% |
| 2050 | 273,342 | — | -11.4% |
Housing Market (Housing and Land Survey, 2023)
Akiya (vacancy) rate: 12.6% (national avg. 13.8%).
Private rental rent: 1,182 JPY/m²/month (≈ $7.6 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.