Rumoi Subprefecture (留萌振興局, Rumoi-shinkō-kyoku) is a subprefectureofHokkaido Prefecture, Japan. As of 2011, it had a population of 52,627 and an area of 4,019.97 square kilometres (1,552.12 sq mi). The population density of the subprefecture, 13 people per km2, is very low compared to the rest of Japan. The population of Rumoi Subprefecture represents 0.96% of the overall population of Hokkaido.[1][2]
Rumoi Subprefecture
留萌振興局
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| Rumoi-shinkōkyoku | |
Sunset from Cape Ōgon, Rumoi City
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Rumoi Subprefecture in Hokkaido
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  Rumoi Subprefecture Rumoi Subprefecture in Japan | |
| Coordinates: 43°56′05″N 141°39′21″E / 43.93472°N 141.65583°E / 43.93472; 141.65583 | |
| Country | Japan |
| Prefecture | Hokkaido |
| Capital | Rumoi |
| Area | |
| • Total | 4,019.91 km2 (1,552.10 sq mi) |
| Population
(December 2011)
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| • Total | 52,627 |
| • Density | 13/km2 (34/sq mi) |
| • Summer (DST) | Japan Standard Time (UTC+9) |
| Website | www |
Rumoi Subprefecture stretches broadly across the coast of the Sea of Japan in northwestern Hokkaido.
| Name | Area (km2) | Population | Pop. Density | District | Type | Map | |
|---|---|---|---|---|---|---|---|
| Rōmaji | Kanji | ||||||
 Enbetsu
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遠別町 | 590.86 | 2,966 | 5.02 | Teshio District | Town | 
|
 Haboro
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羽幌町 | 472.49 | 7,338 | 15.53 | Tomamae District | Town | 
|
 Mashike
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増毛町 | 369.64 | 4,634 | 12.54 | Mashike District | Town | 
|
 Obira
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小平町 | 627.29 | 3,277 | 5.22 | Rumoi District | Town | 
|
 Rumoi (capital)
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留萌市 | 297.44 | 22,242 | 74.78 | no district | City | 
|
 Shosanbetsu
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初山別村 | 280.04 | 1,249 | 4.46 | Tomamae District | Village | 
|
 Teshio
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天塩町 | 353.31 | 3,241 | 9.17 | Teshio District | Town | 
|
 Tomamae
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苫前町 | 454.5 | 3,261 | 7.17 | Tomamae District | Town | 
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The Rumoi River 44 kilometres (27 mi) flows from Mount Poroshiri in the Hidaka Mountain range to the Sea of Japan.[3]
Mashike Subprefecture was established as part of the administrative reforms of Hokkaido during the Meiji period (1868 – 1912). The capital was moved to Rumoi in 1914, and the subprefecture was renamed to Rumoi Subprefecture in the same year. Toyotomi Town) in Teshio District transferred to Sōya Subprefecture in 1948, and Horonobe was transferred to Sōya Subprefecture in 2010.
The fishing industries dominates the economy of the area, and seafood processing remains a thriving industry.[2]
