Shizuoka静岡県
Itou 伊東市
Data last updated:
Itou, Shizuoka, Japan has a population of 61,183 (2025 national census). IPSS projections estimate 58,442 by 2030 and 43,974 by 2050 (a decrease of about 32.9% from 2020), with the share of residents aged 65+ rising from 43.6% in 2020 to 57.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
61,183
2030
(Projection)
58,442
▼ -10.8%
2040
(Projection)
51,213
▼ -21.8%
2050
(Projection)
43,974
▼ -32.9%
Change vs. 2020 census
Enter your age
See the population of 伊東市 when you turn 50, 60, 70 and 80.
Other municipalities in Shizuoka (静岡県)
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.
Itou 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 | 69,638 | ▲ +6.3% | Census |
| 1985 | 70,197 | ▲ +7.2% | Census |
| 1990 | 71,223 | ▲ +8.8% | Census |
| 1995 | 72,287 | ▲ +10.4% | Census |
| 2000 | 71,720 | ▲ +9.5% | Census |
| 2005 | 72,441 | ▲ +10.6% | Census |
| 2010 | 71,437 | ▲ +9.1% | Census |
| 2015 | 68,345 | ▲ +4.4% | Census |
| 2020 | 65,491 | — | Census |
| 2025 | 61,183 | ▼ -6.6% | Census |
| 2030 | 58,442 | ▼ -10.8% | Projection |
| 2035 | 54,824 | ▼ -16.3% | Projection |
| 2040 | 51,213 | ▼ -21.8% | Projection |
| 2045 | 47,590 | ▼ -27.3% | Projection |
| 2050 | 43,974 | ▼ -32.9% | Projection |
About Itou
Overview
Itou (伊東市) is a municipality in Shizuoka, Japan, with a population of 61,183 as of 2025.
Population Projection of Itou
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Itou's population is expected to reach 58,442 by 2030 (-10.8%), 51,213 by 2040 (-21.8%), and 43,974 by 2050 (-32.9%). A significant population decline is projected over the next three decades.
Aging Rate of Itou
The aging rate (percentage of residents aged 65 and over) is 43.6% as of 2020 and is projected to rise to 57.2% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Itou's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #970 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #194 out of 1903 nationwide.
- Population size: Ranked #593 out of 1917 nationwide.
- Related: National rankings / All municipalities in Shizuoka
Earnings in Shizuoka (静岡県): Average salary in Shizuoka (静岡県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure