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Iki, Japan
Nagasaki · Japan
Iki is a mid-size city in Nagasaki, Japan with a population of 30,352. Elevation: 148 ft (45 m). Average temperature: 62°F (16°C).
Data updated June 2026
Discover Iki, Japan
Explore over 40 sections covering people, economy, housing, health, crime, climate, community, costs, trends, schools, colleges, hospitals, treatment centers, industries, museums, libraries, breweries, farmers markets, grocery stores, pharmacies, campgrounds, parks, trails, stadiums, ski resorts, daycare centers, nursing homes, churches, fire stations, cell towers, bridges, power plants, EV stations, prisons, radio stations, airports, police stations, post offices, Amtrak stations, superfund sites, UNESCO sites, and more.
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People
Economy
BHousing
A+Climate
| Population | 30,352 |
| Population Density | 44 / sq mi |
| Elevation | 148 ft (45 m) |
| Coordinates | 33.7829°, 129.7209° |
| Timezone | Asia/Tokyo |
| Country | 🇯🇵 Japan |
| State / Province | Nagasaki |
| Average Temperature | 62°F (16°C) |
| January Average | 43°F (6°C) |
| July Average | 79°F (26°C) |
| Annual Precipitation | 63.1 inches (1,603 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
| Median Household Income | $27,000 |
| Median Age | 50.4 years |
About Iki
Iki is a mid-size city in Japan (Nagasaki) with a population of 30,352. The city sits at an elevation of 148 feet (45 meters) above sea level. The average annual temperature is 62°F (16°C). Temperatures range from 43°F in January to 79°F in July. Annual precipitation averages 63.1 inches. The timezone is Asia/Tokyo.
Population
Language Spoken at Home
Social Characteristics
Iki vs Japan Average
Income: Iki vs Japan
Commute Mode
Income
| Median HH Income | $27,000 |
| 64% below Japan avg |
Employment & Poverty
| Unemployment | 2.5% |
| 31% below Japan avg | |
| Establishments (County) | 971 |
Business (County)
Tax & Cost of Living
Commute & Transportation
Walkability
Home Value Sources
Ownership Split
Home Values
| Census Median | $66,000 |
| 77% below Japan avg |
Real Estate Market (Redfin)
Rental Costs
| Census Median Rent | $330 |
| 72% below Japan avg |
Ownership & Property
| Housing Units | 12,141 |
Property Tax
Climate in Iki
Iki has an average annual temperature of 18.4°C (65°F). The hottest month is Aug (28.1°C), the coldest is Jan (10.3°C). Average annual precipitation is 1794 mm.
Temperature
| Annual Average | 61.5°F |
| 14% above Japan avg | |
| January Average | 43°F (6°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 222 days/yr |
Geography
| Elevation | 148 ft (45 m) |
| Area | 696.4 sq mi (1,803.7 km²) |
| Population Density | 44/sq mi |
| Coordinates | 33.7829°N, 129.7209°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 55.0 m (180 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1792 | SHIMABARA BAY, KYUSHU ISLAND | Landslide | 55.0 m | 15,000 | 127 km |
| 1828 | AMAKUSA SEA | Earthquake | - | - | 133 km |
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Unzendake (126 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Unzendake | Complex | 1,483 m (4,865 ft) | 1996 | 126 km |
| Fukue | Shield(s) | 315 m (1,033 ft) | -400 | 149 km |
| Kujusan | Stratovolcano(es) | 1,791 m (5,876 ft) | 1996 | 162 km |
| Asosan | Caldera | 1,592 m (5,223 ft) | 2020 | 163 km |
| Yufu-Tsurumi | Lava dome(s) | 1,584 m (5,197 ft) | 867 | 164 km |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 190 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 2.4 in | Coldest, Driest |
| February | 45°F (7°C) | 2.7 in | |
| March | 50°F (10°C) | 3.7 in | |
| April | 58°F (15°C) | 5.5 in | |
| May | 65°F (19°C) | 5.3 in | |
| June | 71°F (22°C) | 10.8 in | Wettest |
| July | 79°F (26°C) | 8.8 in | |
| August | 81°F (27°C) | 5.7 in | Warmest |
| September | 75°F (24°C) | 8.9 in | |
| October | 66°F (19°C) | 3.6 in | |
| November | 57°F (14°C) | 3.2 in | |
| December | 48°F (9°C) | 2.6 in |
Iki has a seasonal temperature swing of 37°F / from 43°F in January to 81°F in August. Total annual precipitation is 63.1 inches, with June being the wettest month (10.8") and January the driest (2.4").
Schools in Iki
33 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| 市立三島小学校原島分校 | - | - | - | - |
| 市立那賀小学校 | - | - | - | - |
| 旧市立箱崎中学校跡 | - | - | - | - |
| 市立霞翠小学校 | - | - | - | - |
| 県立壱岐商業高等学校 | - | - | - | - |
| 市立鯨伏小学校 | - | - | - | - |
| 壱岐市立鯨伏中学校 | - | - | - | - |
| 市立沼津小学校 | - | - | - | - |
| 壱岐市立沼津中学校 | - | - | - | - |
| 壱岐市立那賀中学校 | - | - | - | - |
| 市立盈科小学校 | - | - | - | - |
| 市立郷ノ浦中学校 | - | - | - | - |
| 市立志原小学校 | - | - | - | - |
| 壱岐市立初山小学校 | - | - | - | - |
| 市立石田小学校 | - | - | - | - |
| 市立石田中学校 | - | - | - | - |
| 箱崎小 | - | - | - | - |
| 壱岐市立筒城小学校 | - | - | - | - |
| 市立田河小学校 | - | - | - | - |
| 市立三島小学校長島分校 | - | - | - | - |
| 市立三島小学校 | - | - | - | - |
| 市立渡良小学校 | - | - | - | - |
| 壱岐市立渡良中学校 | - | - | - | - |
| 市立勝本小学校 | - | - | - | - |
| 市立霞翠小学校 | - | - | - | - |
| 市立勝本中学校 | - | - | - | - |
| 市立八幡小学校 | - | - | - | - |
| 市立瀬戸小学校 | - | - | - | - |
| 市立芦辺小学校 | - | - | - | - |
| 県立壱岐高等学校 | - | - | - | - |
| 壱岐市立初山中学校 | - | - | - | - |
| 壱岐市立芦辺中学校 | - | - | - | - |
| 市立柳田小学校 | - | - | - | - |
Radio Stations near Iki
0 stations within ~55 km.
| Station | Genre | Quality |
|---|
Museums in Iki
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| 壱岐・原の辻展示館 | ||||
| 壱岐松永記念館 | ||||
| 壱岐郷土館 |
Libraries in Iki
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| 唐津市呼子公民館図書室 | 0.0 | |||||
| 壱岐市立石田図書館 | 0.0 | |||||
| 壱岐市立郷ノ浦図書館 | 0.0 |
Farmers Markets in Iki
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| 島の駅壱番館 |
Hotels in Iki
7 hotels within city radius - OpenStreetMap data
Restaurants in Iki
9 restaurants within city radius - OpenStreetMap data
Cafes in Iki
1 cafes within city radius - OpenStreetMap data
Monuments in Iki
1 monuments within city radius - OpenStreetMap data
Dentists in Iki
4 dentists within city radius - OpenStreetMap data
Gas Stations in Iki
8 gas stations within city radius - OpenStreetMap data
Banks in Iki
1 banks within city radius - OpenStreetMap data
Golf Courses in Iki
1 golf courses within city radius - OpenStreetMap data
Ski Resorts Near Iki
1 ski resorts within range.
| Resort | Slopes (km) | Lifts | Peak (m) | Price | Season | Night | Park |
|---|---|---|---|---|---|---|---|
| Tenzan Ski Resort | 0.0 | - | - | $0 | - | - | - |
Airports Near Iki
8 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Fukuoka Airport | FUK | Large Airport |
| Kyushu Saga International Airport | HSG | Large Airport |
| Iki Airport | IKI | Medium Airport |
| Tsushima Airport | TSJ | Medium Airport |
| Imari Flying Club Airfield | - | Small Airport |
| JGSDF Metabaru Airfield | - | Small Airport |
| Kita-Ariake Auxiliary Airfield | - | Small Airport |
| Ojika Airport | - | Small Airport |
Post Offices in Iki
14 post offices.
| Post Office | Address |
|---|---|
| 八幡浦簡易郵便局 | |
| 初山郵便局 | |
| 勝本郵便局 | |
| 古城簡易郵便局 | |
| 壱岐国分郵便局 | |
| 壱岐瀬戸郵便局 | |
| 志原簡易郵便局 | |
| 柳田簡易郵便局 | |
| 沼津郵便局 | |
| 渡良郵便局 | |
| 湯本郵便局 | |
| 石田郵便局 | |
| 芦辺郵便局 | |
| 郷ノ浦郵便局 |
UNESCO World Heritage Sites Near Iki
1 UNESCO sites.
| Site | Category | Year |
|---|---|---|
| Sacred Island of Okinoshima and Associated Sites in the Munakata Region | Cultural | 2017 |
Churches & Religious Organizations in Iki
21 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| 円光寺 | |
| 創価学会 | |
| 原島神社 | |
| 壱岐四国八十八ヶ所霊場１番札所（神岳山金蔵寺） | |
| 壱岐四国八十八ヶ所霊場２番札所 | |
| 壱岐四国八十八ヶ所霊場３番札所（岩熊堂） | |
| 壱岐四国八十八ヶ所霊場４番札所（寺原田堂） | |
| 壱岐神社 | |
| 天手長男神社 | |
| 天満神社 | |
| 弥佐支刀神社 | |
| 新城神社 | |
| 椿山神社 | |
| 津神社 | |
| 獄山神社 | |
| 男岳神社 | |
| 祥雲寺 | |
| 竜蔵寺 | |
| 興神社 | |
| 華光寺 |
Quick Facts
🇯🇵 About Japan
UNESCO World Heritage Sites Near Iki
Public Holidays in Japan
16 public holidays this year
Frequently Asked Questions About Iki
What is the population of Iki?
Iki has a population of 30,352 residents and is located in Japan. The population density is 44 people per square mile, spread across 696.4 square miles. The median age of residents is 50.4 years, which is older than the national median of 38.9 years.
Is Iki expensive to live in?
The median household income is $27,000, 64% below the national average of $75,149. The median home value is $66,000 (77% below the U.S. median). Renters pay a median of $330 per month, below the national average of $1,163. The home price-to-income ratio is 2.4x, indicating housing is reasonably affordable relative to local income levels.
What is the weather like in Iki?
Iki enjoys a temperate climate with an average annual temperature of 62°F (16°C). Winter temperatures average 43°F in January, while summers reach an average of 79°F in July. The area receives 222 sunny days per year. Annual rainfall totals 63.1 inches.
How is the job market in Iki?
The job market in Iki is very strong, with unemployment at just 2.5% / well below the national rate of 3.6%. There are 971 business establishments in the area.
How much does housing cost in Iki?
The median home value in Iki is $66,000. For renters, the median monthly rent is $330.