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Tomioka, Japan

Kumamoto · Japan

Tomioka is a small city in Kumamoto, Japan with a population of 7,114. Elevation: 3 ft (1 m). Average temperature: 61°F (16°C).

Data updated June 2026

4.1 /5.0
A Great
7,114 Population 56/sq mi density
3 ft Elevation 1 meters
61°F Avg Temperature 16°C
79.1 in Annual Rain
Asia / Tokyo Timezone
$28,200 Median Income
A
Overall
4.1 / 5.0
Great overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$28,200 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$70,000 home value, $350/mo rent

Discover Tomioka, 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.

Full City Profile

About Tomioka

Tomioka

Tomioka Castle is a Japanese castle located in Tomioka, Reihoku Town, Amakusa District, Kumamoto Prefecture. During the 16th century, it was the castle of Terasawa Katataka, a daimyō who played a critical part in repressing the Shimabara Rebellion.

People

Population7,114
Median Age49.0 yrs
Density56/mi²

Economy

B
Median Income$28,200
Unemployment2.5%

Housing

A+
Home Value$70,000
Rent$350
Housing Units2,846

Climate

Avg Temp61°F (16°C)
Rain79.1 in/yr
Sunny Days196/yr
Elevation3 ft (1 m)
Population7,114
Population Density56 / sq mi
Elevation3 ft (1 m)
Coordinates32.5186°, 130.0359°
TimezoneAsia/Tokyo
Country🇯🇵 Japan
State / ProvinceKumamoto
Average Temperature61°F (16°C)
January Average42°F (6°C)
July Average79°F (26°C)
Annual Precipitation79.1 inches (2,009 mm)
Annual Snowfall0.0 inches (0 cm)
Median Household Income$28,200
Median Age49.0 years

About Tomioka

Tomioka is a small city in Japan (Kumamoto) with a population of 7,114. The city sits at an elevation of 3 feet (1 meters) above sea level. The average annual temperature is 61°F (16°C). Temperatures range from 42°F in January to 79°F in July. Annual precipitation averages 79.1 inches. The timezone is Asia/Tokyo.

Tomioka has a population of 7,114 with a density of 56 people per square mile, spread across 127.9 square miles. The median age is 49.0 years, 26% older than the national median of 38.9.

Population

7,114
Total Population
56
People / sq mi
49.0yrs
Median Age
26% above Japan avg
127.9mi²
Land Area

Language Spoken at Home

Other Languages 100.0%

Social Characteristics

Tomioka vs Japan Average

The median household income in Tomioka is $28,200, which is 62% below the national average of $75,149. The unemployment rate is 2.5% (below the 3.6% US average). The area has 228 business establishments.

Income: Tomioka vs Japan

Commute Mode

Income

Median HH Income$28,200
62% below Japan avg

Employment & Poverty

Unemployment2.5%
31% below Japan avg
Establishments (County)228

Business (County)

Tax & Cost of Living

Commute & Transportation

Walkability

The median home value in Tomioka is $70,000, 75% below the national median of $281,900. Monthly rent averages $350 (70% below the national average of $1,163). There are 2,846 total housing units in the city. The home price-to-income ratio is 2.5x, well within the affordable range.

Home Value Sources

Ownership Split

Home Values

Census Median$70,000
75% below Japan avg

Real Estate Market (Redfin)

Rental Costs

Census Median Rent$350
70% below Japan avg

Ownership & Property

Housing Units2,846

Property Tax

Climate in Tomioka

Tomioka has an average annual temperature of 17.7°C (64°F). The hottest month is Aug (28.6°C), the coldest is Jan (7.4°C). Average annual precipitation is 1898 mm.

Month Avg °C / °F Min / Max °C Rain (mm)
Jan 7.4°C / 45°F 4° / 10.7° 63.4
Feb 8.3°C / 47°F 4.6° / 12° 82.8
Mar 11.4°C / 53°F 7.5° / 15.2° 125.8
Apr 15.6°C / 60°F 11.5° / 19.7° 154.0
May 19.9°C / 68°F 16° / 23.8° 160.9
Jun 23.4°C / 74°F 20.3° / 26.5° 334.4
Jul 27.3°C / 81°F 24.4° / 30.2° 294.7
Aug 28.6°C / 83°F 25.3° / 31.8° 216.2
Sep 25.4°C / 78°F 22° / 28.9° 185.3
Oct 20.4°C / 69°F 16.5° / 24.2° 104.5
Nov 14.7°C / 58°F 10.9° / 18.5° 101.2
Dec 9.5°C / 49°F 5.9° / 13.1° 75.0
Tomioka enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 42°F in January while summers reach 79°F in July. The area gets 196 sunny days per year. Annual precipitation totals 79.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 3 feet, near sea level.

Temperature

42°F Jan (6°C) 79°F Jul (26°C)
Annual Average61.0°F
13% above Japan avg
January Average42°F (6°C)
July Average79°F (26°C)
Sunny Days196 days/yr

Geography

Elevation3 ft (1 m)
Area127.9 sq mi (331.1 km²)
Population Density56/sq mi
Coordinates32.5186°N, 130.0359°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 79.1"
108% above Japan avg
Snowfall 0.0"
Wettest Month (Jun) 14.29"
Driest Month (Dec) 2.68"

Air Quality

Earthquake History

306 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.0. Most recent: M4.5 on Aug 12, 2025.

Apr 15, 2016 6 km ESE of Kumamoto, Japan M7.0 74 km
Dec 2, 1996 17 km SW of Miyazaki, Japan M6.7 145 km
Mar 20, 2005 28 km NNW of Maebaru-ch??, Japan M6.6 144 km
Jun 11, 2006 15 km S of Tsukawaki, Japan M6.3 124 km
Apr 14, 2016 2 km SSE of Kumamoto, Japan M6.2 69 km
May 13, 1997 1 km WNW of Satsumasendai, Japan M6.1 81 km
Mar 26, 1997 16 km NE of Satsumasendai, Japan M6.1 76 km
Apr 14, 2016 5 km ENE of Uto, Japan M6.0 67 km
Apr 5, 2009 10 km N of Miyazaki, Japan M5.8 142 km
Apr 15, 2016 6 km S of Kikuchi, Japan M5.7 85 km
Apr 18, 2016 8 km NNE of Aso, Japan M5.5 114 km
Apr 15, 2016 10 km NE of Aso, Japan M5.5 118 km
Apr 2, 1997 19 km W of Satsumasendai, Japan M5.5 77 km
Apr 19, 2005 8 km NNW of Maebaru-ch??, Japan M5.5 125 km
Feb 12, 1994 4 km WSW of ?kuchi-shinohara, Japan M5.4 72 km
Apr 14, 2016 14 km ESE of Kumamoto, Japan M5.4 78 km
Nov 4, 2002 Kyushu, Japan M5.4 143 km
Apr 15, 2016 5 km WSW of Aso, Japan M5.4 102 km
Apr 15, 2016 13 km ESE of Kumamoto, Japan M5.3 79 km
Apr 14, 2016 4 km NNE of Uto, Japan M5.3 65 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

69 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Shanshan (2024).

Year Name Category Closest
2024 Shanshan Category 3 25 km
2022 Nanmadol Category 3 35 km
2022 Hinnamnor Category 2 259 km
2020 Haishen Category 3 103 km
2020 Maysak Category 2 213 km
2019 Francisco Category 1 68 km
2018 Prapiroon Category 1 138 km
2018 Trami Category 1 215 km
2017 Noru Category 1 210 km
2016 Malakas Category 3 153 km
2016 Chaba Category 1 276 km
2016 Namtheun Category 1 192 km
2015 Goni Category 3 28 km
2014 Halong Category 1 269 km
2014 Neoguri Category 1 291 km
2013 Danas Category 3 194 km
2012 Sanba Category 3 202 km
2012 Damrey Category 1 215 km
2011 Ma-on Category 1 270 km
2007 Usagi Category 3 147 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

10 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 36 km
1780 SW. KYUSHU ISLAND Astronomical 6.0 m 120 km
1914 SEIKAIDO Eruption 3.0 m 63 120 km
1996 SEA OF JAPAN Earthquake 0.2 m 145 km
1828 AMAKUSA SEA Earthquake 16 km
1781 SW. KYUSHU ISLAND Astronomical 38 120 km
1780 SW. KYUSHU ISLAND Astronomical 120 km
1619 YATSUSHIRO, JAPAN Earthquake 53 km
766 N. KAGOSHIMA BAY Astronomical 120 km
744 SW. KYUSHU ISLAND Earthquake 1,520 46 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

10 volcanoes within 200 km. Closest: Unzendake (37 km).

Name Type Elevation Last Eruption Distance
Unzendake Complex 1,483 m (4,865 ft) 1996 37 km
Yonemaru-Sumiyoshiike Maar(s) 40 m (131 ft) -6200 98 km
Kirishimayama Shield 1,700 m (5,577 ft) 2018 101 km
Asosan Caldera 1,592 m (5,223 ft) 2020 108 km
Fukue Shield(s) 315 m (1,033 ft) -400 112 km
Aira Caldera 1,117 m (3,665 ft) 2020 118 km
Kujusan Stratovolcano(es) 1,791 m (5,876 ft) 1996 130 km
Yufu-Tsurumi Lava dome(s) 1,584 m (5,197 ft) 867 152 km
Ata Caldera(s) 924 m (3,031 ft) 885 153 km
Kikai Caldera 704 m (2,310 ft) 2020 194 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (6°C) 3.0 in Coldest
February 44°F (7°C) 3.5 in
March 50°F (10°C) 5.3 in
April 58°F (15°C) 6.9 in
May 65°F (19°C) 7.8 in
June 72°F (22°C) 14.3 in Wettest
July 79°F (26°C) 13.1 in
August 81°F (27°C) 7.8 in Warmest
September 75°F (24°C) 7.8 in
October 65°F (19°C) 3.8 in
November 56°F (13°C) 3.2 in
December 46°F (8°C) 2.7 in Driest

Tomioka has a seasonal temperature swing of 38°F / from 42°F in January to 81°F in August. Total annual precipitation is 79.1 inches, with June being the wettest month (14.3") and December the driest (2.7").

View full weather details →

Schools in Tomioka

11 public schools (NCES 2022-23 data).

School Level Enrollment Teachers Student/Teacher
市立下田北小学校
市立二江小学校
町立坂瀬川中学校
町立坂瀬川小学校
町立富岡小学校
町立志岐小学校
熊本県立天草拓心高等学校 マリン校舎
苓北養護学校
町立都呂々小学校
町立苓北中学校
町立志岐小学校
View full schools details →

Radio Stations near Tomioka

0 stations within ~55 km.

Station Genre Quality

Museums in Tomioka

NameTypeAddressPhoneAnnual Revenue
Amakusa Collegio Museum
Chanpon Museum
Dejima Museum
Glass Road 1571
Gunkanjima Digital Museum
Inori no Oka Art Book Museum
Kameyama Shachu Museum
Ko-shashin-shiryokan/ museum of old photographs
Koshi-byo & Historical Museum of China
Maizo-shiryokan/ museum of unearthed artifacts
Minamishimabara-shi Art Village
Nagasaki City Bekko Crafts Museum (The Former Nagasaki Customs Sagarimatsu Branch Office)
Nagasaki Museum of History and Culture
Nagasaki Prefectural Art Museum
Nagasaki Traditional Performing Arts Exhibition
Nagasakishi Noguchiyataro Memorial Museum
Siebold Memorial Museum
The Former Hong Kong and Shanghai Bank Nagasaki Branch Museum
Twenty-Six Martyrs Museum
ナガサキピースミュージアム
中の茶屋・清水崑展示館
五和歴史民俗資料館
口之津歴史民俗資料館分館
大浦天主堂キリシタン博物館
天草ロザリオ館
天草市新和歴史民俗資料館
天草市立天草切支丹館
崎津資料館みなと屋
本渡歴史民俗資料館
苓北町歴史資料館
蔵の資料館
西望記念館 西望生誕之家
長崎市歴史民俗資料館
雲仙お山の情報館
雲仙ビードロ美術館
雲仙市小浜歴史資料館
雲仙市歴史資料館 南串山展示館

Libraries in Tomioka

NameAddressStaffAnnual VisitsCirculationCollectionPrograms
中央図書館0.0
加津佐図書館0.0
北有馬図書室0.0
原城図書館0.0
口之津図書館0.0
天草市立図書館0.0
長崎大学附属図書館 経済学部分館0.0
長崎市立図書館0.0
長崎市立図書館0.0
長崎市立図書館0.0
長崎市香焼図書館0.0
長崎市香焼図書館0.0
長崎県立長崎図書館0.0
長崎県立長崎図書館0.0
長崎県立長崎図書館0.0
雲仙市図書館 南串山図書室0.0
雲仙市図書館 小浜図書室0.0

Farmers Markets in Tomioka

NameAddressSeasonHoursOrganicWebsite
長崎市中央卸売市場
長崎花市場

Hotels in Tomioka

1 hotels within city radius — OpenStreetMap data

Shikisakan

Restaurants in Tomioka

2 restaurants within city radius — OpenStreetMap data

名月
天草洋

Castles in Tomioka

5 castles within city radius — OpenStreetMap data

Tomioka Castle
志岐城址
志岐城址二の丸
志岐城址出丸
志岐城址本丸

Gas Stations in Tomioka

3 gas stations within city radius — OpenStreetMap data

carenex 苓北CS
ENEOS 草場SS
JA苓北SS

Banks in Tomioka

1 banks within city radius — OpenStreetMap data

肥後銀行 富岡支店

Shopping Malls in Tomioka

1 shopping malls within city radius — OpenStreetMap data

シープル苓北

Stadiums & Teams in Tomioka

TeamLeagueDivision

Airports Near Tomioka

7 airports within the area.

AirportIATAType
Kagoshima AirportKOJLarge Airport
Kyushu Saga International AirportHSGLarge Airport
Nagasaki AirportNGSLarge Airport
Amakusa AirportAXJMedium Airport
JMSDF Omura Air BaseOMJSmall Airport
Kita-Ariake Auxiliary AirfieldSmall Airport
Shirakawa GliderportSmall Airport

Post Offices in Tomioka

8 post offices.

Post OfficeAddress
上津深江簡易郵便局
下田郵便局
二江郵便局
坂瀬川郵便局
富岡郵便局
苓北郵便局
通詞島簡易郵便局
都呂々郵便局

Treatment Centers in Tomioka

1 treatment centers.

CenterTypePhone
どうつ耳鼻咽喉科クリニック

Churches & Religious Organizations in Tomioka

10 religious organizations (IRS tax-exempt data).

NameAddress
加藤神社
加藤神社
吉丸稲荷
大神宮
天草中央キリスト教会
富岡神社
富岡稲荷神社
木場神社
正一位稲荷神社
袋池神社

Explore Near Tomioka

Waterfalls
2
Natural waterfalls documented by USGS and OpenStreetMap contributors
View all →

Quick Facts

Timezone
Asia/Tokyo

🇯🇵 About Japan

Capital Tokyo
Population 126,529,100
Area 377,835 km²
GDP (USD) $4,213,167,237,906
GDP per capita $33,836
HDI 0.925
Life expectancy 84.0 years
Internet users 87.0%
Urban population 92.1%
Currency JPY (Yen)
Languages Japanese
Calling code +81
TLD .jp
Driving side left

Public Holidays in Japan

16 public holidays this year

Date Holiday Local Name
Jan 1 New Year's Day 元日
Jan 12 Coming of Age Day 成人の日
Feb 11 Foundation Day 建国記念の日
Feb 23 The Emperor's Birthday 天皇誕生日
Mar 20 Vernal Equinox Day 春分の日
Apr 29 Shōwa Day 昭和の日
May 4 Greenery Day みどりの日
May 5 Children's Day こどもの日
May 6 Constitution Memorial Day 憲法記念日
Jul 20 Marine Day 海の日
Aug 11 Mountain Day 山の日
Sep 21 Respect for the Aged Day 敬老の日
Sep 23 Autumnal Equinox Day 秋分の日
Oct 12 Sports Day スポーツの日
Nov 3 Culture Day 文化の日
Nov 23 Labour Thanksgiving Day 勤労感謝の日

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Frequently Asked Questions About Tomioka

What is the population of Tomioka?

Tomioka has a population of 7,114 residents and is located in Japan. The population density is 56 people per square mile, spread across 127.9 square miles. The median age of residents is 49.0 years, which is older than the national median of 38.9 years.

Is Tomioka expensive to live in?

The median household income is $28,200, 62% below the national average of $75,149. The median home value is $70,000 (75% below the U.S. median). Renters pay a median of $350 per month, below the national average of $1,163. The home price-to-income ratio is 2.5x, indicating housing is reasonably affordable relative to local income levels.

What is the weather like in Tomioka?

Tomioka enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winter temperatures average 42°F in January, while summers reach an average of 79°F in July. The area receives 196 sunny days per year. Annual rainfall totals 79.1 inches.

How is the job market in Tomioka?

The job market in Tomioka is very strong, with unemployment at just 2.5% / well below the national rate of 3.6%. There are 228 business establishments in the area.

How much does housing cost in Tomioka?

The median home value in Tomioka is $70,000. For renters, the median monthly rent is $350.

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