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Ryōgoku, Japan

Chiba · Japan

Ryōgoku is a mid-size city in Chiba, Japan with a population of 49,735. Elevation: 144 ft (44 m). Average temperature: 58°F (15°C).

4.2 /5.0
A Great
49,735 Population 1,655/sq mi density
144 ft Elevation 44 meters
58°F Avg Temperature 15°C
56.2 in Annual Rain
Asia / Tokyo Timezone
$35,400 Median Income
A
Overall
4.2 / 5.0
Great overall score based on economy, affordability, safety and education
B
Economy
3.3 / 5.0
$35,400 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$102,000 home value, $510/mo rent

Discover Ryōgoku, 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 Ryōgoku

Ryōgoku

Ryōgoku Station is a railway station in Yokoami, Sumida, Tokyo, Japan, operated by East Japan Railway Company and Tokyo Metropolitan Bureau of Transportation (Toei).

People

Population49,735
Median Age47.5 yrs
Density1,655/mi²

Economy

B
Median Income$35,400
Unemployment2.5%

Housing

A+
Home Value$102,000
Rent$510
Housing Units19,894

Climate

Avg Temp58°F (15°C)
Rain56.2 in/yr
Sunny Days234/yr
Elevation144 ft (44 m)
Population49,735
Population Density1,655 / sq mi
Elevation144 ft (44 m)
Coordinates35.7167°, 140.3667°
TimezoneAsia/Tokyo
Country🇯🇵 Japan
State / ProvinceChiba
Average Temperature58°F (15°C)
January Average39°F (4°C)
July Average75°F (24°C)
Annual Precipitation56.2 inches (1,427 mm)
Annual Snowfall0.0 inches (0 cm)
Median Household Income$35,400
Median Age47.5 years

About Ryōgoku

Ryōgoku is a mid-size city in Japan (Chiba) with a population of 49,735. The city sits at an elevation of 144 feet (44 meters) above sea level. The average annual temperature is 58°F (15°C). Temperatures range from 39°F in January to 75°F in July. Annual precipitation averages 56.2 inches. The timezone is Asia/Tokyo.

Ryōgoku has a population of 49,735 with a density of 1,655 people per square mile, spread across 30.1 square miles. The median age is 47.5 years, 22% older than the national median of 38.9.

Population

49,735
Total Population
1,655
People / sq mi
47.5yrs
Median Age
22% above Japan avg
30.1mi²
Land Area

Language Spoken at Home

Other Languages 100.0%

Social Characteristics

Ryōgoku vs Japan Average

The median household income in Ryōgoku is $35,400, which is 53% below the national average of $75,149. The unemployment rate is 2.5% (below the 3.6% US average). The area has 1,592 business establishments.

Income: Ryōgoku vs Japan

Commute Mode

Income

Median HH Income$35,400
53% below Japan avg

Employment & Poverty

Unemployment2.5%
31% below Japan avg
Establishments (County)1,592

Business (County)

Tax & Cost of Living

Commute & Transportation

Walkability

The median home value in Ryōgoku is $102,000, 64% below the national median of $281,900. Monthly rent averages $510 (56% below the national average of $1,163). There are 19,894 total housing units in the city. The home price-to-income ratio is 2.9x, well within the affordable range.

Home Value Sources

Ownership Split

Home Values

Census Median$102,000
64% below Japan avg

Real Estate Market (Redfin)

Rental Costs

Census Median Rent$510
56% below Japan avg

Ownership & Property

Housing Units19,894

Property Tax

Climate in Ryōgoku

Ryōgoku 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 1542 mm.

Month Avg °C / °F Min / Max °C Rain (mm)
Jan 0°C / 32°F — / — 51.0
Feb 0°C / 32°F — / — 78.5
Mar 0°C / 32°F — / — 103.4
Apr 0°C / 32°F — / — 126.6
May 0°C / 32°F — / — 138.2
Jun 0°C / 32°F — / — 162.2
Jul 0°C / 32°F — / — 104.4
Aug 0°C / 32°F — / — 121.9
Sep 0°C / 32°F — / — 216.6
Oct 0°C / 32°F — / — 269.0
Nov 0°C / 32°F — / — 101.5
Dec 0°C / 32°F — / — 68.5
Ryōgoku enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 39°F in January while summers reach 75°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 56.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 144 feet.

Temperature

39°F Jan (4°C) 75°F Jul (24°C)
Annual Average58.4°F
8% above Japan avg
January Average39°F (4°C)
July Average75°F (24°C)
Sunny Days234 days/yr

Geography

Elevation144 ft (44 m)
Area30.1 sq mi (77.9 km²)
Population Density1,655/sq mi
Coordinates35.7167°N, 140.3667°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 56.2"
48% above Japan avg
Snowfall 0.0"
Wettest Month (Sep) 7.68"
Driest Month (Jan) 2.05"

Air Quality

Earthquake History

3,491 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.9. Most recent: M4.2 on Aug 29, 2025.

Mar 11, 2011 47 km E of ?arai, Japan M7.9 92 km
May 7, 2008 78 km NE of Hasaki, Japan M6.9 116 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 143 km
Mar 11, 2011 81 km NE of Hasaki, Japan M6.5 119 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 22 km
Jul 30, 2011 13 km SSE of Iwaki, Japan M6.3 146 km
Mar 11, 2011 92 km ENE of Hasaki, Japan M6.3 134 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 16 km
Sep 11, 1996 23 km SSE of Hasaki, Japan M6.2 56 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 38 km
May 7, 2008 80 km NE of Hasaki, Japan M6.2 118 km
Mar 11, 2011 70 km ESE of Kitaibaraki, Japan M6.2 138 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 20 km
May 7, 2008 95 km ENE of Hasaki, Japan M6.1 134 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 25 km
Mar 13, 2011 72 km E of Hasaki, Japan M6.1 115 km
Sep 15, 2011 68 km E of ?arai, Japan M6.1 106 km
Jun 5, 2012 75 km ESE of ?hara, Japan M6.1 111 km
Aug 5, 1990 43 km E of ?arai, Japan M6.1 92 km
Jul 20, 2000 31 km ESE of Hitachi, Japan M6.0 104 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

41 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Nakri (2025).

Year Name Category Closest
2025 Nakri Category 1 267 km
2024 Ampil Category 3 168 km
2024 Jebi Category 1 195 km
2021 Mindulle Category 1 265 km
2019 Faxai Category 3 11 km
2019 Hagibis Category 2 88 km
2018 Jongdari Category 2 210 km
2018 Shanshan Category 1 122 km
2016 Mindulle Category 1 176 km
2016 Lionrock Category 1 202 km
2014 Phanfone Category 1 200 km
2011 Roke Category 1 107 km
2009 Krovanh Category 1 250 km
2007 Fitow Category 1 106 km
2005 Saola Category 2 231 km
2005 Mawar Category 2 6 km
2004 Ma-on Category 3 53 km
2003 Choi-wan Category 3 250 km
2002 Higos Category 2 47 km
2002 Phanfone Category 1 275 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

20 tsunamis recorded within 500 km. Highest wave on record: 13.0 m (43 ft).

Year Location Cause Max Wave Deaths Distance
1923 SAGAMI BAY Earthquake 13.0 m 105,385 104 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 124 km
1677 OFF SE. BOSO PENINSULA Earthquake 8.0 m 500 130 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 104 km
1732 KUJUKURI BEACH, JAPAN Earthquake 2.0 m 70 km
1670 BOSO, JAPAN Earthquake 2.0 m 62 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 120 km
1938 JAPAN TRENCH Earthquake 0.8 m 143 km
1980 HONSHU ISLAND Earthquake 0.6 m 148 km
1982 IBARAKI, JAPAN Earthquake 0.4 m 131 km
1961 KASHIMA, JAPAN Earthquake 0.4 m 148 km
1961 KASHIMA, JAPAN Earthquake 0.4 m 142 km
1923 KASHIMA, JAPAN Earthquake 0.4 m 134 km
1978 TOKAIDO Earthquake 0.4 m 25 143 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 92 km
1896 KASHIMA, JAPAN Earthquake 0.3 m 104 km
1935 JAPAN Earthquake 0.2 m 135 km
1855 TOKAIDO Earthquake 6,757 52 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 91 km
1642 BOSO, JAPAN Earthquake 61 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Hakoneyama (133 km).

Name Type Elevation Last Eruption Distance
Hakoneyama Complex 1,438 m (4,718 ft) 2015 133 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 141 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 141 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 141 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 142 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 143 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 147 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 150 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 154 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 160 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 161 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 166 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 168 km
Niijima Lava dome(s) 432 m (1,417 ft) 886 178 km
Asamayama Complex 2,568 m (8,425 ft) 2019 183 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 2.1 in Coldest, Driest
February 41°F (5°C) 2.8 in
March 46°F (8°C) 4.3 in
April 56°F (13°C) 4.7 in
May 64°F (18°C) 4.8 in
June 69°F (21°C) 6.5 in
July 75°F (24°C) 5.0 in
August 78°F (26°C) 5.1 in Warmest
September 73°F (23°C) 7.7 in Wettest
October 63°F (17°C) 7.3 in
November 53°F (12°C) 3.9 in
December 44°F (7°C) 2.1 in

Ryōgoku has a seasonal temperature swing of 39°F / from 39°F in January to 78°F in August. Total annual precipitation is 56.2 inches, with September being the wettest month (7.7") and January the driest (2.1").

View full weather details →

Schools in Ryōgoku

12 public schools (NCES 2022-23 data).

School Level Enrollment Teachers Student/Teacher
山武市立山武北小学校
Tomisato South Elementary School
Tomisato Junior High School
Nanae Elementary School
Tomisato Prefectural High School
成田市立本城小学校
Nekona Elementary School
芝山町立芝山中学校
Tomisato Elementary School
Koyo Elementary School
Senshin Elementary School
Tomisato South Junior High School
View full schools details →

Radio Stations near Ryōgoku

0 stations within ~55 km.

Station Genre Quality

Museums in Ryōgoku

NameTypeAddressPhoneAnnual Revenue
Chiba City Municipal Museum (Chiba Castle)
Chiba City Museum of Art
Chiba City Museum of Science
Forest history document center of Tachiki, Inzai-shi one half of the front of the kimono lapped under the other style
Former Hotta Estate
Former Main Hall of Gakushuin Primary School
Fudoki-no-Oka Museum
Inō Tadataka Museum
Museum of Aeronautical Sciences
Narita Airport and Community Historical Museum
Narita Yōkan Memorial Hall
Naritasan Museum of Calligraphy
Naritasan Reikokan
Natural History Museum and Institute
Old Hirano Family House
Old Mikogami Family House
Sanrizuka Imperial Farm Museum
Sardine Exhibition Room
Suigo Sawara Float Hall
Tōshō-ji Sogoreido. Museum. Temple.
Treasure Hall
Yachiyo City Museum of Local History
Zoo Museum
スポーツ資料館
はにわ博物館
九十九里いわし博物館
伊能忠敬旧宅
佐倉市武家屋敷
佐倉市武家屋敷
佐倉市武家屋敷
佐倉市武家屋敷
佐倉市立美術館
佐倉順天堂記念館
八街市郷土資料館
千葉市立 加曽利貝塚博物館
千葉県立中央博物館大利根分館
印旛歴史民俗資料館
史跡上総国分尼寺跡展示館
和田ふるさと館歴史民俗資料室(佐倉市立和田公民館別館)
国立歴史民俗博物館
城西国際大学水田美術館
塚本美術館
宗吾霊宝殿
山武市歴史民俗資料館
川村記念美術館
成田市下総歴史民俗資料館
旧但馬家住宅
旧但馬家住宅
旧武居住宅
柳田國男記念公苑
芝山町立芝山古墳・はにわ博物館;芝山はにわ博物館
香取市文化財保存館
龍ヶ崎市 歴史民俗資料館

Libraries in Ryōgoku

NameAddressStaffAnnual VisitsCirculationCollectionPrograms
(財)米本図書館0.0
Abiko Civic Library Fusa Branch0.0
Imba Library0.0
Imba Library0.0
Narita Municipal Library Narita Branch0.0
Narita Public Library0.0
Naritasan Buddhism Library0.0
Omori Library0.0
Public Library0.0
Sakura Minami Library0.0
Sakura Minami Library0.0
Shisui Town Library0.0
Tomisato Municipal Library0.0
Tone Public Library0.0
Yokochiba Library0.0
Yokoshibahikari Public Library0.0
Yokoshibahikari Public Library0.0
さんぶの森図書館 (3F)0.0
ちばぎんざ図書館0.0
ちばぎんざ図書館0.0
佐倉市立佐倉図書館0.0
佐倉市立佐倉図書館0.0
佐倉市立志津図書館0.0
佐倉市立志津図書館0.0
佐倉市立志津図書館志津分館0.0
佐倉市立志津図書館志津分館0.0
八千代市立勝田台図書館0.0
八千代市立勝田台図書館0.0
八街市立図書館0.0
千葉市みやこ図書館0.0
千葉市みやこ図書館0.0
千葉市みやこ図書館白旗分館0.0
千葉市みやこ図書館白旗分館0.0
千葉市みやこ図書館白旗分館0.0
千葉市みやこ図書館白旗分館0.0
千葉市緑図書館0.0
千葉市緑図書館0.0
千葉市緑図書館0.0
千葉市緑図書館あすみが丘分館0.0
千葉市緑図書館土気図書室0.0
千葉市花見川図書館0.0
千葉市花見川図書館0.0
千葉市花見川図書館0.0
千葉市若葉図書館西都賀分館0.0
千葉市若葉図書館西都賀分館0.0
千葉県文書館0.0
千葉県立 中央図書館0.0
千葉県立 中央図書館0.0
印西市立そうふけ図書館0.0
印西市立そうふけ図書館0.0
印西市立小林図書館0.0
四街道市立図書館0.0
図書館0.0
図書館0.0
多古町立図書館0.0
大網白里市図書室0.0
大網白里市図書室中部分室0.0
大網白里市図書室白里分室0.0
小見川町立小見川図書館0.0
成東図書館0.0
成田市立図書館 公津の杜分館0.0
成田市立図書館中郷分館0.0
成田市立図書館久住分館0.0
成田市立図書館八生分館0.0
成田市立図書館公津分館0.0
成田市立図書館加良部分館0.0
成田市立図書館橋賀台分館0.0
成田市立図書館玉造分館0.0
成田市立図書館美郷台分館0.0
成田市立図書館豊住分館0.0
成田市立図書館遠山分館0.0
東金市立東金図書館0.0
松尾町図書館0.0
水田記念図書館0.0
潮来市立図書館0.0
稲敷市立図書館0.0
龍ヶ崎市立 中央図書館0.0

Farmers Markets in Ryōgoku

NameAddressSeasonHoursOrganicWebsite
Landrome
Sakura Furusato Market
Shigenoya Food Market
Shigenoya Food Market
エービン 河内店
コメリハード&グリーン 河内店
下田農業ふれあい館
下田農業ふれあい館
千葉県東部中央市場
大栄青果小売市場
市川フラワーオークションジャパン
成田市公設地方卸売市場
花卉市場棟
関連食品棟

Hotels in Ryōgoku

1 hotels within city radius — OpenStreetMap data

Radisson Hotel Narita

Restaurants in Ryōgoku

19 restaurants within city radius — OpenStreetMap data

California Restaurant
Coco's
Coffee
Cucina Italiana
Gusto
Thai City
Vista Lounge
エムズスタイル
カルボン
スープパスタ専門店セモリナ
すぎのや本陣 富里店
セモリナ東京オリーブ
たちばな
ネモト
らーめん福たけ
ロッキー秀
濱ふうふう
焼肉 七輪房 富里店
肉そばけいすけ

Cafes in Ryōgoku

3 cafes within city radius — OpenStreetMap data

Coffee Corner
Korekara nibo
Sukiya

Monuments in Ryōgoku

2 monuments within city radius — OpenStreetMap data

Issha shrine
Kosanrei shrine

Gas Stations in Ryōgoku

8 gas stations within city radius — OpenStreetMap data

Cosmo
ENEOS
ENEOS
ENEOS
ENEOS
Idemitsu Kosan
JP #11372410767
Showa Shell Sekiyu

Banks in Ryōgoku

3 banks within city radius — OpenStreetMap data

Chiba Bank
Chiba Shinkin
Keiyo Bank

Breweries in Ryōgoku

NameTypeAddressPhoneWebsite
正上醤油
馬場本店

Stadiums & Teams in Ryōgoku

TeamLeagueDivision

Airports Near Ryōgoku

33 airports within the area.

AirportIATAType
Ibaraki AirportIBRLarge Airport
Narita International AirportNRTLarge Airport
Tokyo Haneda International AirportHNDLarge Airport
JGSDF Kisarazu AirfieldMedium Airport
JMSDF Shimofusa Air BaseMedium Airport
JMSDF Tateyama Air BaseMedium Airport
Akeno Auxiliary AirfieldSmall Airport
Bando Auxiliary AirfieldSmall Airport
Chiyoda Auxiliary AirstripSmall Airport
Haneda GliderportSmall Airport
Hoshubana GliderportSmall Airport
Itakura GliderportSmall Airport
Iwabuchi Watergate Auxiliary AirfieldSmall Airport
JGSDF Kasumigaura AirfieldSmall Airport
JGSDF Narashino AirfieldSmall Airport
Kazo GliderportSmall Airport
Kisarazu Nakajima Auxiliary Airfield / Kisarazu HeliportSmall Airport
Kozaki AirfieldSmall Airport
Makabe GliderportSmall Airport
Mito Flying Club AirfieldSmall Airport
Namiki Auxiliary AirfieldSmall Airport
Oarai Auxiliary AirfieldSmall Airport
Otone AirfieldSmall Airport
Oyama Kinu GliderportSmall Airport
Ryugasaki AirfieldSmall Airport
Sekijo Auxiliary AirfieldSmall Airport
Sekiyado GliderportSmall Airport
Skyfield WataraseSmall Airport
Tokyo Flight Park Moriya AirstripSmall Airport
Tsubasa Flying Club Kawashima Auxiliary AirfieldSmall Airport
Tsukuba GliderportSmall Airport
Urayasu Emergency RunwaySmall Airport
Yomiuri Otone GliderportSmall Airport

Post Offices in Ryōgoku

3 post offices.

Post OfficeAddress
Tomisato Nanae Post Off
Tomisato Post Office
Tomisato Tokura Post Office

Treatment Centers in Ryōgoku

1 treatment centers.

CenterTypePhone
八千代リハビリテーション病院

Churches & Religious Organizations in Ryōgoku

1 religious organizations (IRS tax-exempt data).

NameAddress
Nanae Inari Shrine

Quick Facts

Timezone
Asia/Tokyo

Things to See Near Ryōgoku

4 places within 15 km

🌄 Viewpoints (4)
  • • Observation Deck (North)
  • • Observation Deck (South)
  • • Sach Ang
  • • Scenic Route to AEON Mall

🇯🇵 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 Ryōgoku

What is the population of Ryōgoku?

Ryōgoku has a population of 49,735 residents and is located in Japan. The population density is 1,655 people per square mile, spread across 30.1 square miles. The median age of residents is 47.5 years, which is older than the national median of 38.9 years.

Is Ryōgoku expensive to live in?

The median household income is $35,400, 53% below the national average of $75,149. The median home value is $102,000 (64% below the U.S. median). Renters pay a median of $510 per month, below the national average of $1,163. The home price-to-income ratio is 2.9x, indicating housing is reasonably affordable relative to local income levels.

What is the weather like in Ryōgoku?

Ryōgoku enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winter temperatures average 39°F in January, while summers reach an average of 75°F in July. The area receives 234 sunny days per year. Annual rainfall totals 56.2 inches.

How is the job market in Ryōgoku?

The job market in Ryōgoku is very strong, with unemployment at just 2.5% / well below the national rate of 3.6%. There are 1,592 business establishments in the area.

How much does housing cost in Ryōgoku?

The median home value in Ryōgoku is $102,000. For renters, the median monthly rent is $510.

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