All Countries
Koshima, Japan
Kagoshima · Japan
Koshima is a small town in Kagoshima, Japan with a population of 1,245. Elevation: 161 ft (49 m). Average temperature: 59°F (15°C).
Data updated June 2026
Discover Koshima, 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.
Use the tabs and dropdown menus below to navigate every data point we track for this city.
People
Economy
BHousing
A+Climate
| Population | 1,245 |
| Population Density | 1 / sq mi |
| Elevation | 161 ft (49 m) |
| Coordinates | 30.2346°, 130.5352° |
| Timezone | Asia/Tokyo |
| Country | 🇯🇵 Japan |
| State / Province | Kagoshima |
| Average Temperature | 59°F (15°C) |
| January Average | 44°F (6°C) |
| July Average | 74°F (23°C) |
| Annual Precipitation | 127.1 inches (3,227 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
| Median Household Income | $26,600 |
| Median Age | 50.0 years |
About Koshima
Koshima is a small town in Japan (Kagoshima) with a population of 1,245. The city sits at an elevation of 161 feet (49 meters) above sea level. The average annual temperature is 59°F (15°C). Temperatures range from 44°F in January to 74°F in July. Annual precipitation averages 127.1 inches. The timezone is Asia/Tokyo.
Population
Language Spoken at Home
Social Characteristics
Koshima vs Japan Average
Income: Koshima vs Japan
Commute Mode
Income
| Median HH Income | $26,600 |
| 65% below Japan avg |
Employment & Poverty
| Unemployment | 2.6% |
| 28% below Japan avg | |
| Establishments (County) | 40 |
Business (County)
Tax & Cost of Living
Commute & Transportation
Walkability
Home Value Sources
Ownership Split
Home Values
| Census Median | $64,000 |
| 77% below Japan avg |
Real Estate Market (Redfin)
Rental Costs
| Census Median Rent | $320 |
| 72% below Japan avg |
Ownership & Property
| Housing Units | 498 |
Property Tax
Climate in Koshima
Koshima has an average annual temperature of 0°C (32°F). The hottest month is Jan (0°C), the coldest is Jan (0°C). Average annual precipitation is 0 mm.
Temperature
| Annual Average | 59.2°F |
| 10% above Japan avg | |
| January Average | 44°F (6°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 125 days/yr |
Geography
| Elevation | 161 ft (49 m) |
| Area | 1,400.4 sq mi (3,627.1 km²) |
| Population Density | 1/sq mi |
| Coordinates | 30.2346°N, 130.5352°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 0.2 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1996 | KYUSHU ISLAND | Earthquake | 0.2 m | - | 65 km |
| 1961 | RYUKYU ISLANDS | Earthquake | 0.2 m | - | 141 km |
Nearby Volcanoes
10 volcanoes within 200 km. Closest: Kuchinoerabujima (38 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Kuchinoerabujima | Stratovolcano(es) | 657 m (2,156 ft) | 2020 | 38 km |
| Kuchinoshima | Stratovolcano(es) | 628 m (2,060 ft) | 1190 | 66 km |
| Kikai | Caldera | 704 m (2,310 ft) | 2020 | 66 km |
| Nakanoshima | Stratovolcano(es) | 979 m (3,212 ft) | 1914 | 78 km |
| Suwanosejima | Stratovolcano(es) | 796 m (2,612 ft) | 2020 | 103 km |
| Ata | Caldera(s) | 924 m (3,031 ft) | 885 | 110 km |
| Akusekijima | Stratovolcano(es) | 555 m (1,821 ft) | Unknown | 125 km |
| Aira | Caldera | 1,117 m (3,665 ft) | 2020 | 152 km |
| Yonemaru-Sumiyoshiike | Maar(s) | 40 m (131 ft) | -6200 | 171 km |
| Kirishimayama | Shield | 1,700 m (5,577 ft) | 2018 | 192 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (6°C) | 6.0 in | Coldest |
| February | 45°F (7°C) | 7.2 in | |
| March | 50°F (10°C) | 9.7 in | |
| April | 57°F (14°C) | 11.4 in | |
| May | 62°F (17°C) | 15.0 in | |
| June | 68°F (20°C) | 20.6 in | Wettest |
| July | 74°F (23°C) | 13.3 in | |
| August | 74°F (23°C) | 12.2 in | Warmest |
| September | 71°F (22°C) | 11.5 in | |
| October | 64°F (18°C) | 7.8 in | |
| November | 56°F (13°C) | 7.1 in | |
| December | 48°F (9°C) | 5.4 in | Driest |
Koshima has a seasonal temperature swing of 31°F / from 44°F in January to 74°F in August. Total annual precipitation is 127.1 inches, with June being the wettest month (20.6") and December the driest (5.4").
Schools in Koshima
3 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| 町立八幡小学校 | - | - | - | - |
| 町立岳南中学校 | - | - | - | - |
| 屋久島町立神山小学校 | - | - | - | - |
Radio Stations near Koshima
0 stations within ~55 km.
| Station | Genre | Quality |
|---|
Museums in Koshima
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Scent museum | ||||
| Yakushima Sea Turtle Museum | ||||
| Yakushima World Heritage Conservation Center | ||||
| 屋久島町歴史民俗資料館 | ||||
| 屋久島町歴史民俗資料館 |
Libraries in Koshima
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Onoaida Library | 0.0 |
Hotels in Koshima
3 hotels within city radius - OpenStreetMap data
Restaurants in Koshima
2 restaurants within city radius - OpenStreetMap data
Cafes in Koshima
4 cafes within city radius - OpenStreetMap data
Monuments in Koshima
2 monuments within city radius - OpenStreetMap data
Gas Stations in Koshima
1 gas stations within city radius - OpenStreetMap data
Airports Near Koshima
4 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| New Tanegashima Airport | TNE | Medium Airport |
| Yakushima Airport | KUM | Medium Airport |
| Mageshima Airport | - | Small Airport |
| Satsuma Iōjima Airport | - | Small Airport |
Post Offices in Koshima
2 post offices.
| Post Office | Address |
|---|---|
| Japan Post | |
| 麦生簡易郵便局 |
UNESCO World Heritage Sites Near Koshima
1 UNESCO sites.
| Site | Category | Year |
|---|---|---|
| Yakushima | Natural | 1993 |
Churches & Religious Organizations in Koshima
2 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| 屋久島カトリック教会 | |
| 益救神社 |
Explore Near Koshima
Quick Facts
🇯🇵 About Japan
UNESCO World Heritage Sites Near Koshima
Public Holidays in Japan
16 public holidays this year
Download Full City Report
Get a comprehensive, print-ready PDF with all data for Koshima.
Get ReportFrequently Asked Questions About Koshima
What is the population of Koshima?
Koshima has a population of 1,245 residents and is located in Japan. The population density is 1 people per square mile, spread across 1,400.4 square miles. The median age of residents is 50.0 years, which is older than the national median of 38.9 years.
Is Koshima expensive to live in?
The median household income is $26,600, 65% below the national average of $75,149. The median home value is $64,000 (77% below the U.S. median). Renters pay a median of $320 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 Koshima?
Koshima enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winter temperatures average 44°F in January, while summers reach an average of 74°F in July. The area receives 125 sunny days per year, below the national average of 205. Annual rainfall totals 127.1 inches.
How is the job market in Koshima?
The job market in Koshima is very strong, with unemployment at just 2.6% / well below the national rate of 3.6%. There are 40 business establishments in the area.
How much does housing cost in Koshima?
The median home value in Koshima is $64,000. For renters, the median monthly rent is $320.