Miyagi宮城県
Oogawara 大河原町
Data last updated:
Oogawara, Miyagi, Japan has a population of 22,906 (2025 national census). IPSS projections estimate 22,722 by 2030 and 19,966 by 2050 (a decrease of about 15.3% from 2020), with the share of residents aged 65+ rising from 27.8% in 2020 to 39.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
22,906
2030
(Projection)
22,722
▼ -3.6%
2040
(Projection)
21,528
▼ -8.7%
2050
(Projection)
19,966
▼ -15.3%
Change vs. 2020 census
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Other municipalities in Miyagi (宮城県)
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.
Oogawara 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 | 19,332 | ▼ -18.0% | Census |
| 1985 | 20,305 | ▼ -13.9% | Census |
| 1990 | 20,901 | ▼ -11.3% | Census |
| 1995 | 21,995 | ▼ -6.7% | Census |
| 2000 | 22,767 | ▼ -3.4% | Census |
| 2005 | 23,335 | ▼ -1.0% | Census |
| 2010 | 23,530 | ▼ -0.2% | Census |
| 2015 | 23,798 | ▲ +1.0% | Census |
| 2020 | 23,571 | — | Census |
| 2025 | 22,906 | ▼ -2.8% | Census |
| 2030 | 22,722 | ▼ -3.6% | Projection |
| 2035 | 22,165 | ▼ -6.0% | Projection |
| 2040 | 21,528 | ▼ -8.7% | Projection |
| 2045 | 20,788 | ▼ -11.8% | Projection |
| 2050 | 19,966 | ▼ -15.3% | Projection |
About Oogawara
Overview
Oogawara (大河原町) is a municipality in Miyagi, Japan, with a population of 22,906 as of 2025.
Population Projection of Oogawara
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Oogawara's population is expected to reach 22,722 by 2030 (-3.6%), 21,528 by 2040 (-8.7%), and 19,966 by 2050 (-15.3%). A modest population change is expected.
Aging Rate of Oogawara
The aging rate (percentage of residents aged 65 and over) is 27.8% as of 2020 and is projected to rise to 39.2% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Oogawara's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1472 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1319 out of 1903 nationwide.
- Population size: Ranked #1027 out of 1917 nationwide.
- Related: National rankings / All municipalities in Miyagi
Earnings in Miyagi (宮城県): Average salary in Miyagi (宮城県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure