Koga, Fukuoka
Koga: City in Ibaraki Prefecture, Japan
About
Quick Facts about Koga
| Population : | 139,274 |
| Country : | Japan |
| State : | Fukuoka (Japan) |
| County : | Koga-shi |
| Area : | 123580000 km2 |
| Official name : | 古河町, 古河市 |
| Capital city : | Koga is capital of Koga Domain |
| Establishment : | January 01, 1970 (20 years ago) |
| Time Zone : | UTC+09:00 |
| Local time : | 20:52:59 (6th December 2025) |
Geography
Koga is located at 33°43'60"N 130°28'0"E (33.7333300, 130.4666700). It has 5 neighbors: Yuki, Tochigi, Oyama, Kuki and Kazo.
Koga map
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- Official Website
Official website of Koga
Demographics
| Year | Population | % Change | Method |
| 2010 | 142,995 | - | census |
| 2015 | 140,946 | -1.45% | 30417 |
| 2019 | 139,274 | -1.2% | census |
Koga, gu he, Кога, 古賀
