Koga
Contents: City (-shi)
The population development of Koga as well as related information and services (weather, Wikipedia, Google, images).
| Name | Native | Population Census 1995-10-01 | Population Census 2000-10-01 | Population Census 2005-10-01 | Population Census 2010-10-01 | Population Census 2015-10-01 | Population Census 2020-10-01 | Population Census 2025-10-01 | |
|---|---|---|---|---|---|---|---|---|---|
| Koga | 古河市 | 146,010 | 146,452 | 145,265 | 142,995 | 140,946 | 139,344 | 136,308 | → |
Source: Statistics Bureau Japan.
Explanation: The 2025 census results are preliminary.
Further information about the population structure:
| Gender (C 2025) | |
|---|---|
| Males | 68,456 |
| Females | 67,852 |
| Age Groups (C 2020) | |
|---|---|
| 0-17 years | 19,968 |
| 18-64 years | 78,372 |
| 65+ years | 39,691 |
| Age Distribution (C 2020) | |
|---|---|
| 90+ years | 2,026 |
| 80-89 years | 8,799 |
| 70-79 years | 18,503 |
| 60-69 years | 19,403 |
| 50-59 years | 18,267 |
| 40-49 years | 19,771 |
| 30-39 years | 15,462 |
| 20-29 years | 13,147 |
| 10-19 years | 12,492 |
| 0-9 years | 10,161 |
| Citizenship (C 2020) | |
|---|---|
| Japan | 135,242 |
| Foreign Citizenship | 3,020 |