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Iwashita, Japan

Kumamoto · Japan

Iwashita is a small city in Kumamoto, Japan with a population of 10,132. Elevation: 108 ft (33 m). Average temperature: 59°F (15°C).

4.1 /5.0
A Great
10,132 Population 334/sq mi density
108 ft Elevation 33 meters
59°F Avg Temperature 15°C
87.6 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 Iwashita, 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 Iwashita

Iwashita is a Japanese surname. Notable people with the surname include:Daniel Iwashita Aquino, member of the Northern Mariana Islands House of Representatives
Eiichi Iwashita , Japanese sumo wrestler
Jun Iwashita , Japanese footballer
Keisuke Iwashita , Japanese footballer
Marina Keiko Pieroni Iwashita , Brazilian researcher
Satsuo Iwashita , Japanese long-distance runner
Shima Iwashita , Japanese actress
Yoshihisa Iwashita , Japanese golfer

People

Population10,132
Median Age49.0 yrs
Density334/mi²

Economy

B
Median Income$28,200
Unemployment2.5%

Housing

A+
Home Value$70,000
Rent$350
Housing Units4,053

Climate

Avg Temp59°F (15°C)
Rain87.6 in/yr
Sunny Days191/yr
Elevation108 ft (33 m)
Population10,132
Population Density334 / sq mi
Elevation108 ft (33 m)
Coordinates32.6527°, 130.8116°
TimezoneAsia/Tokyo
Country🇯🇵 Japan
State / ProvinceKumamoto
Average Temperature59°F (15°C)
January Average39°F (4°C)
July Average78°F (25°C)
Annual Precipitation87.6 inches (2,225 mm)
Annual Snowfall0.0 inches (0 cm)
Median Household Income$28,200
Median Age49.0 years

About Iwashita

Iwashita is a small city in Japan (Kumamoto) with a population of 10,132. The city sits at an elevation of 108 feet (33 meters) above sea level. The average annual temperature is 59°F (15°C). Temperatures range from 39°F in January to 78°F in July. Annual precipitation averages 87.6 inches. The timezone is Asia/Tokyo.

Iwashita has a population of 10,132 with a density of 334 people per square mile, spread across 30.4 square miles. The median age is 49.0 years, 26% older than the national median of 38.9.

Population

10,132
Total Population
334
People / sq mi
49.0yrs
Median Age
26% above Japan avg
30.4mi²
Land Area

Language Spoken at Home

Other Languages 100.0%

Social Characteristics

Iwashita vs Japan Average

The median household income in Iwashita 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 324 business establishments.

Income: Iwashita vs Japan

Commute Mode

Income

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

Employment & Poverty

Unemployment2.5%
31% below Japan avg
Establishments (County)324

Business (County)

Tax & Cost of Living

Commute & Transportation

Walkability

The median home value in Iwashita 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 4,053 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 Units4,053

Property Tax

Climate in Iwashita

Iwashita 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 1987 mm.

Month Avg °C / °F Min / Max °C Rain (mm)
Jan 0°C / 32°F — / 10.9° 62.5
Feb 0°C / 32°F — / 11.8° 88.7
Mar 0°C / 32°F — / 16.2° 112.3
Apr 0°C / 32°F — / 20.9° 137.2
May 0°C / 32°F — / 26° 147.5
Jun 0°C / 32°F — / 28.6° 403.7
Jul 0°C / 32°F — / 31.9° 409.8
Aug 0°C / 32°F — / 33.3° 201.2
Sep 0°C / 32°F — / 30.1° 162.1
Oct 0°C / 32°F — / 25.2° 112.2
Nov 0°C / 32°F — / 18.7° 76.3
Dec 0°C / 32°F — / 12.8° 73.7
Iwashita enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 39°F in January while summers reach 78°F in July. The area gets 191 sunny days per year. Annual precipitation totals 87.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 108 feet.

Temperature

39°F Jan (4°C) 78°F Jul (25°C)
Annual Average59.0°F
9% above Japan avg
January Average39°F (4°C)
July Average78°F (25°C)
Sunny Days191 days/yr

Geography

Elevation108 ft (33 m)
Area30.4 sq mi (78.7 km²)
Population Density334/sq mi
Coordinates32.6527°N, 130.8116°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 87.6"
131% above Japan avg
Snowfall 0.0"
Wettest Month (Jun) 16.54"
Driest Month (Dec) 2.36"

Air Quality

Earthquake History

493 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.1. Most recent: M4.4 on Aug 27, 2025.

Aug 8, 2024 2024 Hyuganada Sea, Japan Earthquake M7.1 119 km
Apr 15, 2016 6 km ESE of Kumamoto, Japan M7.0 16 km
Jan 13, 2025 15 km SE of Miyazaki, Japan M6.8 115 km
Dec 2, 1996 17 km SW of Miyazaki, Japan M6.7 107 km
Oct 19, 1996 5 km SE of Miyazaki, Japan M6.7 105 km
Mar 20, 2005 28 km NNW of Maebaru-ch??, Japan M6.6 143 km
Jan 21, 2022 27 km SSE of Saiki, Japan M6.3 115 km
Mar 13, 2014 32 km SSW of Hikari, Japan M6.3 149 km
Jun 11, 2006 15 km S of Tsukawaki, Japan M6.3 62 km
May 9, 2019 43 km ESE of Miyazaki, Japan M6.2 138 km
Apr 14, 2016 2 km SSE of Kumamoto, Japan M6.2 18 km
Mar 26, 1997 16 km NE of Satsumasendai, Japan M6.1 89 km
May 13, 1997 1 km WNW of Satsumasendai, Japan M6.1 105 km
Apr 14, 2016 5 km ENE of Uto, Japan M6.0 10 km
Apr 30, 1994 8 km SSE of Kushima, Japan M5.9 144 km
Apr 5, 2009 10 km N of Miyazaki, Japan M5.8 92 km
Aug 28, 2014 53 km E of Takanabe, Japan M5.8 134 km
May 31, 2005 10 km SSW of Kushima, Japan M5.7 144 km
Apr 15, 2016 6 km S of Kikuchi, Japan M5.7 30 km
Oct 19, 1996 19 km ENE of Miyazaki, Japan M5.7 108 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2024 Shanshan Category 3 51 km
2022 Nanmadol Category 3 39 km
2020 Haishen Category 3 165 km
2020 Maysak Category 1 279 km
2019 Francisco Category 1 34 km
2018 Jebi Category 3 277 km
2018 Trami Category 1 173 km
2018 Prapiroon Category 1 197 km
2017 Noru Category 1 169 km
2016 Malakas Category 3 134 km
2016 Namtheun Category 1 223 km
2015 Goni Category 3 42 km
2014 Phanfone Category 2 270 km
2014 Halong Category 1 212 km
2013 Danas Category 1 245 km
2012 Sanba Category 3 276 km
2012 Damrey Category 1 272 km
2011 Ma-on Category 1 200 km
2007 Usagi Category 3 75 km
2007 Man-yi Category 2 112 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

20 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 49 km
1596 BEPPU BAY, KYUSHU Eruption + Earthquake 8.0 m 708 110 km
1780 SW. KYUSHU ISLAND Astronomical 6.0 m — 118 km
1914 SEIKAIDO Eruption 3.0 m 63 120 km
1769 SW. KYUSHU ISLAND Earthquake 2.5 m — 118 km
1941 SEIKAIDO Earthquake 1.2 m 2 141 km
1939 SEIKAIDO Earthquake 0.8 m 1 118 km
1931 SEIKAIDO Earthquake 0.8 m 1 131 km
1961 SEIKAIDO Earthquake 0.7 m 2 150 km
1996 KYUSHU ISLAND Earthquake 0.6 m — 105 km
2024 HYUGANADA SEA Earthquake 0.5 m — 124 km
1970 SEIKAIDO Earthquake 0.3 m — 97 km
1899 SEIKAIDO Earthquake 0.3 m — 140 km
2025 HYUGANADA SEA Earthquake 0.2 m — 118 km
1996 SEA OF JAPAN Earthquake 0.2 m — 107 km
1984 KYUSHU, JAPAN Earthquake 0.2 m — 110 km
1969 RYUKYU ISLANDS Earthquake 0.1 m — 131 km
1987 KYUSHU ISLAND Earthquake 0.0 m 2 118 km
1899 SEIKAIDO Earthquake — — 139 km
1828 AMAKUSA SEA Earthquake — — 86 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

9 volcanoes within 200 km. Closest: Asosan (38 km).

Name Type Elevation Last Eruption Distance
Asosan Caldera 1,592 m (5,223 ft) 2020 38 km
Unzendake Complex 1,483 m (4,865 ft) 1996 49 km
Kujusan Stratovolcano(es) 1,791 m (5,876 ft) 1996 63 km
Kirishimayama Shield 1,700 m (5,577 ft) 2018 80 km
Yufu-Tsurumi Lava dome(s) 1,584 m (5,197 ft) 867 88 km
Yonemaru-Sumiyoshiike Maar(s) 40 m (131 ft) -6200 100 km
Aira Caldera 1,117 m (3,665 ft) 2020 119 km
Ata Caldera(s) 924 m (3,031 ft) 885 161 km
Fukue Shield(s) 315 m (1,033 ft) -400 184 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 2.8 in Coldest
February 41°F (5°C) 3.7 in
March 47°F (9°C) 5.8 in
April 57°F (14°C) 7.4 in
May 64°F (18°C) 8.9 in
June 71°F (21°C) 16.5 in Wettest
July 78°F (25°C) 16.5 in
August 79°F (26°C) 8.5 in Warmest
September 73°F (23°C) 7.7 in
October 63°F (17°C) 4.2 in
November 53°F (12°C) 3.2 in
December 43°F (6°C) 2.4 in Driest

Iwashita has a seasonal temperature swing of 40°F / from 39°F in January to 79°F in August. Total annual precipitation is 87.6 inches, with June being the wettest month (16.5") and December the driest (2.4").

View full weather details →

Schools in Iwashita

8 public schools (NCES 2022-23 data).

School Level Enrollment Teachers Student/Teacher
市立豊野中学校 — — — —
市立豊野小学校 — — — —
美里町立中央小学校 — — — —
町立乙女小学校 — — — —
町立甲佐中学校 — — — —
町立甲佐小学校 — — — —
町立龍野小学校 — — — —
県立甲佐高等学校 — — — —
View full schools details →

Radio Stations near Iwashita

0 stations within ~55 km.

Station Genre Quality

Museums in Iwashita

NameTypeAddressPhoneAnnual Revenue
Aso Volcano Museum
Contemporary Art Museum
Contemporary Art Museum
KIOKU
Kumamoto Water Science Museum
Shimada Museum of Arts
Shimada Museum of Arts
The Office of Mount Aso Ecomusee
Yatsushiro Municipal Museum
みやはらの里絵画館
伝統工芸館
伝統工芸館
合志市マンガミュージアム
合志市歴史資料館
吉田司家宝物館
吉田司家宝物館
城南町歴史民俗資料館
宇城市不知火美術館
宮原歴史資料館
平家の里
御船町恐竜博物館
徳富記念園
徳富記念園
新聞博物館
新聞博物館
東陽石匠館
松井文庫驥斎
水竹居の館
水竹居資料館
熊本国際民藝館
熊本国際民藝館
熊本市立熊本博物館
熊本市立熊本博物館
熊本県立美術館
熊本県立美術館
熊本県立美術館分館
熊本県立美術館分館
神風連資料館
神風連資料館
秋山幸二ギャラリー
竜北歴史資料館
阿蘇火山博物館

Libraries in Iwashita

NameAddressStaffAnnual VisitsCirculationCollectionPrograms
せんちょう図書館0.0
八代市立図書館0.0
八代市立図書館　かがみ分館0.0
八火図書館0.0
合志市ヴィーブル図書館0.0
合志市西合志図書館0.0
合志町南部図書館0.0
城南町立隈牟田文庫0.0
大津町立おおづ図書館0.0
宇土市立図書館0.0
宇城市立不知火図書館0.0
宇城市立小川図書館0.0
宇城市立豊野図書館0.0
山都町立図書館0.0
御船町立図書館0.0
熊本市立とみあい図書館0.0
熊本市立図書館0.0
熊本市立図書館0.0
熊本県立図書館0.0
熊本県立図書館0.0
菊陽町図書館0.0
菊陽町図書館0.0
附属図書館0.0

Farmers Markets in Iwashita

NameAddressSeasonHoursOrganicWebsite
フルーツの里　田原坂
大海水産
大海水産
大海水産
木村のあられ
木村のあられ
木村のあられ
株式会社サカモト
株式会社サカモト
株式会社サカモト

Cafes in Iwashita

1 cafes within city radius — OpenStreetMap data

Board game café Mereni

Veterinaries in Iwashita

2 veterinaries within city radius — OpenStreetMap data

そのだ動物病院
そのだ動物病院

Gas Stations in Iwashita

2 gas stations within city radius — OpenStreetMap data

JA−SS中央町SS
亀山石油店

Golf Courses in Iwashita

1 golf courses within city radius — OpenStreetMap data

熊本南カントリー

Stadiums & Teams in Iwashita

TeamLeagueDivision
Aqua Dome Kumamoto

Ski Resorts Near Iwashita

3 ski resorts within range.

Resort Slopes (km) Lifts Peak (m) Price Season Night Park
Gokase Highland Ski Area 0.0 — — $0 — — —
Kuju Forest Park 0.0 — — $0 — — —
Tenzan Ski Resort 0.0 — — $0 — — —

Airports Near Iwashita

12 airports within the area.

AirportIATAType
Kumamoto AirportKMJLarge Airport
Kyushu Saga International AirportHSGLarge Airport
Amakusa AirportAXJMedium Airport
Aso Auxiliary Airfield—Small Airport
JASDF Nyūtabaru Air Base—Small Airport
JGSDF Metabaru Airfield—Small Airport
Kita-Ariake Auxiliary Airfield—Small Airport
Kuju Gliderport—Small Airport
Oita Prefectural (Oitakenou) Airport—Small Airport
Shirakawa Gliderport—Small Airport
Taragi Auxiliary Airfield—Small Airport
Ubuyama Auxiliary Airfield—Small Airport

Post Offices in Iwashita

6 post offices.

Post OfficeAddress
堅志田郵便局
宮内簡易郵便局
甲佐郵便局
竜野郵便局
豊野郵便局
鰐瀬郵便局

Treatment Centers in Iwashita

4 treatment centers.

CenterTypePhone
田代産婦人科
田代産婦人科
福永医院
福永医院

Churches & Religious Organizations in Iwashita

4 religious organizations (IRS tax-exempt data).

NameAddress
Zenrinji
創価学会
甲佐神社
若宮神社

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 Iwashita

What is the population of Iwashita?

Iwashita has a population of 10,132 residents and is located in Japan. The population density is 334 people per square mile, spread across 30.4 square miles. The median age of residents is 49.0 years, which is older than the national median of 38.9 years.

Is Iwashita 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 Iwashita?

Iwashita enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winter temperatures average 39°F in January, while summers reach an average of 78°F in July. The area receives 191 sunny days per year. Annual rainfall totals 87.6 inches.

How is the job market in Iwashita?

The job market in Iwashita is very strong, with unemployment at just 2.5% / well below the national rate of 3.6%. There are 324 business establishments in the area.

How much does housing cost in Iwashita?

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

Nearby Cities

Samata 9,392 pop · 2.3 mi Mifune 16,901 pop · 4.5 mi Uejima 9,547 pop · 7.1 mi Shimada 32,510 pop · 7.3 mi Matsubase 26,163 pop · 8.4 mi Uto 37,442 pop · 8.7 mi Uki 59,928 pop · 9.0 mi Yamada 13,503 pop · 9.4 mi Kotō 543,730 pop · 9.5 mi Wakasu 11,094 pop · 10.4 mi Kawahara 6,426 pop · 11.8 mi Kumamoto 738,907 pop · 12.7 mi Okino 43,337 pop · 15.1 mi Honmachi 123,067 pop · 16.0 mi
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