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Sōsa, Japan

Chiba · Japan

Sōsa is a mid-size city in Chiba, Japan with a population of 35,674. Elevation: 118 ft (36 m). Average temperature: 58°F (15°C).

Data updated June 2026

4.2 /5.0
A Great
35,674 Population 202/sq mi density
118 ft Elevation 36 meters
58°F Avg Temperature 15°C
57.3 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 Sōsa, 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

People

Population35,674
Median Age47.5 yrs
Density202/mi²

Economy

B
Median Income$35,400
Unemployment2.5%

Housing

A+
Home Value$102,000
Rent$510
Housing Units14,270

Climate

Avg Temp58°F (15°C)
Rain57.3 in/yr
Sunny Days232/yr
Elevation118 ft (36 m)
Population35,674
Population Density202 / sq mi
Elevation118 ft (36 m)
Coordinates35.7154°, 140.5531°
TimezoneAsia/Tokyo
Country🇯🇵 Japan
State / ProvinceChiba
Average Temperature58°F (15°C)
January Average39°F (4°C)
July Average75°F (24°C)
Annual Precipitation57.3 inches (1,455 mm)
Annual Snowfall0.0 inches (0 cm)
Median Household Income$35,400
Median Age47.5 years

About Sōsa

Sōsa is a mid-size city in Japan (Chiba) with a population of 35,674. The city sits at an elevation of 118 feet (36 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 57.3 inches. The timezone is Asia/Tokyo.

Sōsa has a population of 35,674 with a density of 202 people per square mile, spread across 176.7 square miles. The median age is 47.5 years, 22% older than the national median of 38.9.

Population

35,674
Total Population
202
People / sq mi
47.5yrs
Median Age
22% above Japan avg
176.7mi²
Land Area

Language Spoken at Home

Other Languages 100.0%

Social Characteristics

Sōsa vs Japan Average

The median household income in Sōsa 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 1,142 business establishments.

Income: Sōsa vs Japan

Commute Mode

Income

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

Employment & Poverty

Unemployment2.5%
31% below Japan avg
Establishments (County)1,142

Business (County)

Tax & Cost of Living

Commute & Transportation

Walkability

The median home value in Sōsa 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 14,270 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 Units14,270

Property Tax

Climate in Sōsa

Sōsa has an average annual temperature of 15.8°C (60°F). The hottest month is Aug (25.9°C), the coldest is Jan (6.5°C). Average annual precipitation is 1703 mm.

Month Avg °C / °F Min / Max °C Rain (mm)
Jan 6.5°C / 44°F 2.9° / 10.1° 105.8
Feb 6.8°C / 44°F 3.3° / 10.3° 90.8
Mar 9.6°C / 49°F 6.4° / 12.7° 150.2
Apr 13.7°C / 57°F 10.6° / 16.8° 127.5
May 17.4°C / 63°F 14.6° / 20.3° 136.0
Jun 20.4°C / 69°F 17.8° / 22.9° 166.4
Jul 23.7°C / 75°F 21° / 26.4° 126.6
Aug 25.9°C / 79°F 23.2° / 28.6° 96.3
Sep 23.6°C / 74°F 21.3° / 25.9° 213.0
Oct 19.1°C / 66°F 16.7° / 21.5° 264.0
Nov 14.2°C / 58°F 11.1° / 17.2° 133.4
Dec 9.1°C / 48°F 5.6° / 12.6° 93.2
Sōsa 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 232 sunny days per year, above the national average. Annual precipitation totals 57.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 118 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 Days232 days/yr

Geography

Elevation118 ft (36 m)
Area176.7 sq mi (457.7 km²)
Population Density202/sq mi
Coordinates35.7154°N, 140.5531°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 57.3"
51% above Japan avg
Snowfall 0.0"
Wettest Month (Sep) 7.95"
Driest Month (Jan) 2.17"

Air Quality

Earthquake History

3,728 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 81 km
May 7, 2008 78 km NE of Hasaki, Japan M6.9 101 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 144 km
Mar 11, 2011 81 km NE of Hasaki, Japan M6.5 104 km
Mar 11, 2011 115 km ENE of Hasaki, Japan M6.5 140 km
Mar 11, 2011 108 km ESE of Kitaibaraki, Japan M6.4 142 km
Jul 30, 2011 13 km SSE of Iwaki, Japan M6.3 141 km
Mar 11, 2011 92 km ENE of Hasaki, Japan M6.3 117 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 29 km
Mar 11, 2011 near the east coast of Honshu, Japan M6.3 150 km
May 7, 2008 80 km NE of Hasaki, Japan M6.2 103 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 27 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 20 km
Sep 11, 1996 23 km SSE of Hasaki, Japan M6.2 40 km
Mar 11, 2011 70 km ESE of Kitaibaraki, Japan M6.2 127 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 33 km
Mar 13, 2011 72 km E of Hasaki, Japan M6.1 98 km
Jun 5, 2012 75 km ESE of ?hara, Japan M6.1 101 km
Aug 5, 1990 43 km E of ?arai, Japan M6.1 81 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 21 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

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

Year Name Category Closest
2025 Nakri Category 1 261 km
2024 Ampil Category 3 153 km
2024 Jebi Category 1 181 km
2021 Mindulle Category 1 249 km
2019 Faxai Category 3 25 km
2019 Hagibis Category 2 105 km
2018 Jongdari Category 2 213 km
2018 Shanshan Category 1 113 km
2016 Mindulle Category 1 184 km
2016 Lionrock Category 1 186 km
2014 Phanfone Category 1 215 km
2011 Roke Category 1 124 km
2009 Krovanh Category 1 254 km
2007 Fitow Category 1 123 km
2005 Saola Category 2 222 km
2005 Mawar Category 2 23 km
2004 Ma-on Category 3 69 km
2003 Choi-wan Category 3 242 km
2002 Higos Category 2 62 km
2002 Phanfone Category 1 272 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 105,385 117 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 132 km
1677 OFF SE. BOSO PENINSULA Earthquake 8.0 m 500 117 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 117 km
1732 KUJUKURI BEACH, JAPAN Earthquake 2.0 m - 62 km
1670 BOSO, JAPAN Earthquake 2.0 m - 47 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m - 132 km
1938 JAPAN TRENCH Earthquake 0.8 m - 133 km
1982 IBARAKI, JAPAN Earthquake 0.4 m - 116 km
1961 KASHIMA, JAPAN Earthquake 0.4 m - 125 km
1961 KASHIMA, JAPAN Earthquake 0.4 m - 133 km
1923 KASHIMA, JAPAN Earthquake 0.4 m - 118 km
1923 RYUKYU ISLANDS Earthquake 0.3 m - 96 km
1896 KASHIMA, JAPAN Earthquake 0.3 m - 96 km
1935 JAPAN Earthquake 0.2 m - 124 km
1855 TOKAIDO Earthquake - 6,757 68 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake - - 103 km
1642 BOSO, JAPAN Earthquake - - 58 km
1633 SAGAMI BAY Earthquake - 150 135 km
1602 BOSO, JAPAN Eruption + Earthquake - - 69 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Hakoneyama (149 km).

Name Type Elevation Last Eruption Distance
Hakoneyama Complex 1,438 m (4,718 ft) 2015 149 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 149 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 151 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 152 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 152 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 154 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 160 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 160 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 165 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 170 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 175 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 176 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 179 km
Niijima Lava dome(s) 432 m (1,417 ft) 886 187 km
Asamayama Complex 2,568 m (8,425 ft) 2019 198 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 2.2 in Coldest, Driest
February 41°F (5°C) 3.0 in
March 46°F (8°C) 4.5 in
April 56°F (13°C) 4.7 in
May 63°F (17°C) 4.8 in
June 69°F (20°C) 6.5 in
July 75°F (24°C) 5.0 in
August 78°F (26°C) 5.0 in Warmest
September 73°F (23°C) 8.0 in Wettest
October 63°F (17°C) 7.4 in
November 54°F (12°C) 4.1 in
December 44°F (7°C) 2.2 in

Sōsa has a seasonal temperature swing of 39°F / from 39°F in January to 78°F in August. Total annual precipitation is 57.3 inches, with September being the wettest month (8.0") and January the driest (2.2").

View full weather details →

Schools in Sōsa

7 public schools (NCES 2022-23 data).

School Level Enrollment Teachers Student/Teacher
市立匝瑳小学校 - - - -
市立第一山倉小学校 - - - -
市立飯高小学校 - - - -
Toyowa Elementary School - - - -
Chinkai Elementary School - - - -
Yokaichiba Daiichi Junior High School - - - -
Kojou Elementary School - - - -
View full schools details →

Radio Stations near Sōsa

0 stations within ~55 km.

Station Genre Quality

Museums in Sōsa

NameTypeAddressPhoneAnnual Revenue
Inō Tadataka Museum
Museum of Aeronautical Sciences
Narita Airport and Community Historical Museum
Narita Yōkan Memorial Hall
Naritasan Museum of Calligraphy
Naritasan Reikokan
Pachinko Museum
Sanrizuka Imperial Farm Museum
Sardine Exhibition Room
Suigo Sawara Float Hall
Treasure Hall
サーキットの狼ミュージアム
はにわ博物館
九十九里いわし博物館
伊能忠敬旧宅
八街市郷土資料館
千葉県立中央博物館大利根分館
城西国際大学水田美術館
大原幽学記念館
山武市歴史民俗資料館
成田市下総歴史民俗資料館
旭市防災資料館
神栖民俗資料館
福富雷童記念江畑美術館
芝山町立芝山古墳・はにわ博物館;芝山はにわ博物館
銚子ジオパークミュージアム
香取市文化財保存館

Libraries in Sōsa

NameAddressStaffAnnual VisitsCirculationCollectionPrograms
(財)米本図書館0.0
Chiba Prefectural East Library0.0
Kamisu City Central Library0.0
Narita Municipal Library Narita Branch0.0
Naritasan Buddhism Library0.0
Public Library0.0
Tomisato Municipal Library0.0
Yokochiba Library0.0
Yokoshibahikari Public Library0.0
Yokoshibahikari Public Library0.0
うずも図書館0.0
さんぶの森図書館 (3F)0.0
八街市立図書館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
成田市立図書館加良部分館0.0
成田市立図書館美郷台分館0.0
成田市立図書館遠山分館0.0
旭市図書館0.0
東庄町図書館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
矢田部公民館図書室0.0
稲敷市立図書館0.0

Farmers Markets in Sōsa

NameAddressSeasonHoursOrganicWebsite
Landrome
千葉県東部中央市場
大栄青果小売市場
成田市公設地方卸売市場
旭青果市場
鹿島中央青果株式会社

Restaurants in Sōsa

8 restaurants within city radius - OpenStreetMap data

オアシス
おたふく
けん
さかえや
すぎの子
ボウボウラーメン
紅昇
魚定

Clinics in Sōsa

1 clinics within city radius - OpenStreetMap data

Suzuki Clinic

Gas Stations in Sōsa

10 gas stations within city radius - OpenStreetMap data

ENEOS
ENEOS
ENEOS
ENEOS
ENEOS
ENEOS
ENEOS
ENEOS Enejet
Mobil
モービル山倉SS

Golf Courses in Sōsa

1 golf courses within city radius - OpenStreetMap data

Tokyo Kokusai-Kuko Golf Course

Breweries in Sōsa

NameTypeAddressPhoneWebsite
正上醤油
馬場本店

Stadiums & Teams in Sōsa

TeamLeagueDivision

Airports Near Sōsa

27 airports within the area.

AirportIATAType
Ibaraki AirportIBRLarge Airport
Narita International AirportNRTLarge Airport
JGSDF Kisarazu Airfield-Medium Airport
JMSDF Shimofusa Air Base-Medium Airport
JMSDF Tateyama Air Base-Medium Airport
Akeno Auxiliary Airfield-Small Airport
Bando Auxiliary Airfield-Small Airport
Chiyoda Auxiliary Airstrip-Small Airport
Haneda Gliderport-Small Airport
Hoshubana Gliderport-Small Airport
JGSDF Kasumigaura Airfield-Small Airport
JGSDF Narashino Airfield-Small Airport
Kisarazu Nakajima Auxiliary Airfield / Kisarazu Heliport-Small Airport
Kozaki Airfield-Small Airport
Makabe Gliderport-Small Airport
Mito Flying Club Airfield-Small Airport
Namiki Auxiliary Airfield-Small Airport
Oarai Auxiliary Airfield-Small Airport
Otone Airfield-Small Airport
Oyama Kinu Gliderport-Small Airport
Ryugasaki Airfield-Small Airport
Sekijo Auxiliary Airfield-Small Airport
Sekiyado Gliderport-Small Airport
Tokyo Flight Park Moriya Airstrip-Small Airport
Tsubasa Flying Club Kawashima Auxiliary Airfield-Small Airport
Tsukuba Gliderport-Small Airport
Urayasu Emergency Runway-Small Airport

Post Offices in Sōsa

8 post offices.

Post OfficeAddress
Higata Ekimaedori Post Office
Iidaka Summary Post Office
Kaburaki Post Office
Odera Post Office
Sosa Summary Post Office
Tsubaki Summary Post Office
Yamakura Post Office
山倉郵便局

Churches & Religious Organizations in Sōsa

37 religious organizations (IRS tax-exempt data).

NameAddress
Hankōji Temple
Iidaka Shrine
Ikōin Temple
Myōfukuji Temple
Soga Brothers Shrine
Yamakuwa Inari Shrine
一切経堂
三社大神
光明寺
光明寺
八重垣神社
医王寺
圓満寺
大相寺
妙国寺
子安観音堂
山倉大神
常安寺
應福寺
東光寺
東勝寺
東泉寺
松山神社
松崎神社
欽明寺
浅間神社
石田大神
稲荷大明神
稲荷大神
稲荷神社
萬蔵院
薬師堂
西方寺
観福寺
鏑木大神
阿麻勝神社
飯高寺総門

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 Sōsa

What is the population of Sōsa?

Sōsa has a population of 35,674 residents and is located in Japan. The population density is 202 people per square mile, spread across 176.7 square miles. The median age of residents is 47.5 years, which is older than the national median of 38.9 years.

Is Sōsa 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 Sōsa?

Sōsa 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 232 sunny days per year. Annual rainfall totals 57.3 inches.

How is the job market in Sōsa?

The job market in Sōsa is very strong, with unemployment at just 2.5% / well below the national rate of 3.6%. There are 1,142 business establishments in the area.

How much does housing cost in Sōsa?

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

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