Kōka
甲賀市
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Kōka City Hall
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Flag 
Emblem | |
Location of Kōka in Shiga Prefecture
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  Kōka Location in Japan | |
| Coordinates: 34°58′N 136°10′E / 34.967°N 136.167°E / 34.967; 136.167 | |
| Country | Japan |
| Region | Kansai |
| Prefecture | Shiga |
| Government | |
| • Mayor | Hiroki Iwanaga |
| Area | |
| • Total | 481.62 km2 (185.95 sq mi) |
| Population
(September 30, 2021)
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| • Total | 89,619 |
| • Density | 190/km2 (480/sq mi) |
| Time zone | UTC+09:00 (JST) |
| City hall address | 6053, Minakuchi, Minakuchichō, Kōka-shi, Shiga-ken 528-8502 |
| Website | Official website |
| Symbols | |
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| Bird | Common kingfisher |
| Flower | Sasayuri (Lilium japonicum) |
| Tree | Cryptomeria |
Kōka (甲賀市, Kōka-shi) is a city in southern Shiga Prefecture, Japan. As of 30 September 2021[update], the city had an estimated population of 89,619 in 36708 households and a population density of 190 persons per km².[1] The total area of the city is 481.62 square kilometres (185.95 sq mi).
Kōka occupies the entire southern end of Shiga Prefecture, and is thus long east-to-west. At the eastern end of Kōka, the southern ridge of the Suzuka Mountains with one elevation of 1000 meters runs from northeast to southwest, forming the boundary with Mie Prefecture. The highest altitude point in Kōka is Mount Amagoi in this range.
Shiga Prefecture
Kyoto Prefecture
Mie Prefecture
Kōka has a Humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Kōka is 13.6 °C. The average annual rainfall is 1673 mm with September as the wettest month. The temperatures are highest on average in August, at around 25.4 °C, and lowest in January, at around 2.1 °C.[2]
| Climate data for Shigaraki（elevation 265 m） | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | 6.5 (43.7) |
7.1 (44.8) |
11.0 (51.8) |
17.3 (63.1) |
21.8 (71.2) |
25.0 (77.0) |
28.8 (83.8) |
30.0 (86.0) |
26.0 (78.8) |
20.3 (68.5) |
14.9 (58.8) |
9.5 (49.1) |
18.2 (64.7) |
| Mean daily minimum °C (°F) | −3.5 (25.7) |
−3.4 (25.9) |
−1.1 (30.0) |
3.4 (38.1) |
9.1 (48.4) |
14.6 (58.3) |
19.1 (66.4) |
19.6 (67.3) |
15.9 (60.6) |
8.5 (47.3) |
2.4 (36.3) |
−1.9 (28.6) |
6.9 (44.4) |
| Average precipitation mm (inches) | 55.2 (2.17) |
70.7 (2.78) |
121.3 (4.78) |
111.5 (4.39) |
152.4 (6.00) |
207.6 (8.17) |
204.4 (8.05) |
143.7 (5.66) |
168.4 (6.63) |
120.1 (4.73) |
75.2 (2.96) |
53.6 (2.11) |
1,484.1 (58.43) |
| Average precipitation days (≥ 1.0 mm) | 9.1 | 10.1 | 13.1 | 10.9 | 11.2 | 13.0 | 12.8 | 9.3 | 11.4 | 9.8 | 8.3 | 8.2 | 127.2 |
| Mean monthly sunshine hours | 101.2 | 100.9 | 133.6 | 166.3 | 164.5 | 127.6 | 136.5 | 173.8 | 135.4 | 136.6 | 122.1 | 115.9 | 1,614.4 |
| Source: Japan Meteorological Agency | |||||||||||||
| Climate data for Tsuchiyama (elevation 248 m） | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | 6.3 (43.3) |
6.8 (44.2) |
10.7 (51.3) |
16.9 (62.4) |
21.2 (70.2) |
24.6 (76.3) |
28.5 (83.3) |
29.8 (85.6) |
25.9 (78.6) |
20.3 (68.5) |
14.8 (58.6) |
9.3 (48.7) |
17.9 (64.3) |
| Mean daily minimum °C (°F) | −1.9 (28.6) |
−1.8 (28.8) |
0.6 (33.1) |
5.6 (42.1) |
10.9 (51.6) |
15.9 (60.6) |
20.3 (68.5) |
21.3 (70.3) |
17.5 (63.5) |
10.6 (51.1) |
4.5 (40.1) |
−0.1 (31.8) |
8.6 (47.5) |
| Average precipitation mm (inches) | 60.0 (2.36) |
74.4 (2.93) |
113.8 (4.48) |
114.9 (4.52) |
159.0 (6.26) |
205.4 (8.09) |
212.1 (8.35) |
193.5 (7.62) |
208.8 (8.22) |
124.4 (4.90) |
80.6 (3.17) |
56.7 (2.23) |
1,603.6 (63.13) |
| Average precipitation days (≥ 1.0 mm) | 10.6 | 10.9 | 12.6 | 11.0 | 11.6 | 13.6 | 13.7 | 10.4 | 11.8 | 10.0 | 8.4 | 9.4 | 134 |
| Mean monthly sunshine hours | 90.9 | 98.2 | 137.0 | 167.1 | 165.8 | 128.3 | 139.4 | 177.2 | 132.7 | 140.2 | 125.0 | 108.9 | 1,610.7 |
| Source: Japan Meteorological Agency | |||||||||||||
Per Japanese census data,[3] the population of Kōka has recently plateaued after several decades of growth.
| Year | Pop. | ±% |
|---|---|---|
| 1920 | 59,455 | — |
| 1930 | 60,876 | +2.4% |
| 1940 | 61,133 | +0.4% |
| 1950 | 75,407 | +23.3% |
| 1960 | 70,755 | −6.2% |
| 1970 | 67,762 | −4.2% |
| 1980 | 75,203 | +11.0% |
| 1990 | 82,668 | +9.9% |
| 2000 | 92,482 | +11.9% |
| 2010 | 92,704 | +0.2% |
| 2020 | 88,358 | −4.7% |
Kōka is part of ancient Ōmi Province. During the Sengoku period, the area was an ikki and effectively self-governed by local ninja families. In the Edo period it became a center for the Kōga-ryū school of ninjutsu, in rivalry with Iga-ryū.[4] The area was on the route of the Tōkaidō highway connecting Kyoto with Edo and the eastern provinces of Japan. Minakuchi-juku was both a post station and also a castle town for Minakuchi Domain, which ruled over parts of the area of Kōka during the Edo period. The village of Minakuchi was established on April 1, 1889 within Kōka District, Shiga with the creation of the modern municipalities system. It was raised to town status on August 18, 1894. On October 1, 2004, Minakuchi merged with the towns of Kōka, Kōnan, Shigaraki and Tsuchiyama (all from Kōka District) to form the city of Kōka.
Kōka has a mayor-council form of government with a directly elected mayor and a unicameral city council of 24 members. Kōka contributes three members to the Shiga Prefectural Assembly. In terms of national politics, the city is part of Shiga 4th district of the lower house of the Diet of Japan.
Kōka is traditionally known for its production of ceramics, most notably Shigaraki ware, as well as agriculture and forestry. Light manufacturing is concentrated to pharmaceuticals.
Kōka has 21 public elementary schools and six public middle schools operated by the city government and one middle school operated by the Shiga Prefectural Department of Education. The prefecture also operates four public high schools.
Shigaraki Kōgen Railway - Shigaraki Line
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Media related to Kōka, Shiga at Wikimedia Commons
Koka travel guide from Wikivoyage| International |
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