What is the population of Koga?

The population of Koga is 139,274.

Where is Koga located?

Koga is located at latitude 33.7333300 and longitude 130.4666700. It is in Japan.

The area of Koga is 123580000 km².

Koga is in the Asia/Tokyo time zone.

The population of Koga has decreased from 142,995 (2010) to 139,274 (2019), a change of -2.6%.

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Koga: city in Ibaraki Prefecture, Japan

Population	139,274
Country	Japan
State	Fukuoka (Japan)
County	Koga-shi
Area	123580000 km²
Official name	古河町, 古河市
Latitude & Longitude	33.7333,130.4667
Capital city	Koga is capital of Koga Domain
Time Zone	UTC+09:00
Local time	15:23:25 (23rd April 2026)

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.

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Official website of Koga

Official Website

Koga has 5 neighbours.

Year	Population	% Change	Method
2010	142,995	-	census
2015	140,946	-1.45%	30417
2019	139,274	-1.2%	census

gu he, Кога, 古賀