Ōami, Japan
Chiba · Japan
Ōami is a mid-size city in Chiba, Japan with a population of 53,239. Elevation: 26 ft (8 m). Average temperature: 59°F (15°C).
Data updated June 2026
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People
Economy
BHousing
A+Climate
| Population | 53,239 |
| Population Density | 352 / sq mi |
| Elevation | 26 ft (8 m) |
| Coordinates | 35.5167°, 140.3167° |
| Timezone | Asia/Tokyo |
| Country | 🇯🇵 Japan |
| State / Province | Chiba |
| Average Temperature | 59°F (15°C) |
| January Average | 41°F (5°C) |
| July Average | 76°F (24°C) |
| Annual Precipitation | 56.3 inches (1,431 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
| Median Household Income | $35,400 |
| Median Age | 47.5 years |
About Ōami
Ōami is a mid-size city in Japan (Chiba) with a population of 53,239. The city sits at an elevation of 26 feet (8 meters) above sea level. The average annual temperature is 59°F (15°C). Temperatures range from 41°F in January to 76°F in July. Annual precipitation averages 56.3 inches. The timezone is Asia/Tokyo.
Population
Language Spoken at Home
Social Characteristics
Ōami vs Japan Average
Income: Ōami vs Japan
Commute Mode
Income
| Median HH Income | $35,400 |
| 53% below Japan avg |
Employment & Poverty
| Unemployment | 2.5% |
| 31% below Japan avg | |
| Establishments (County) | 1,704 |
Business (County)
Tax & Cost of Living
Commute & Transportation
Walkability
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 Units | 21,296 |
Property Tax
Climate in Ōami
Ōami 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.
Temperature
| Annual Average | 59.1°F |
| 9% above Japan avg | |
| January Average | 41°F (5°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 26 ft (8 m) |
| Area | 151.4 sq mi (392.2 km²) |
| Population Density | 352/sq mi |
| Coordinates | 35.5167°N, 140.3167°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
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 | 87 km |
| 1703 | OFF SW BOSO PENINSULA | Earthquake | 11.7 m | 5,233 | 102 km |
| 1677 | OFF SE. BOSO PENINSULA | Earthquake | 8.0 m | 500 | 122 km |
| 1495 | KAMAKURA, SAGAMI BAY, TOKAIDO | Earthquake | 5.0 m | 200 | 87 km |
| 1732 | KUJUKURI BEACH, JAPAN | Earthquake | 2.0 m | - | 56 km |
| 1670 | BOSO, JAPAN | Earthquake | 2.0 m | - | 62 km |
| 1433 | OFF IZU-OSHIMA | Earthquake | 2.0 m | - | 101 km |
| 1980 | HONSHU ISLAND | Earthquake | 0.6 m | - | 130 km |
| 1982 | IBARAKI, JAPAN | Earthquake | 0.4 m | - | 146 km |
| 1923 | KASHIMA, JAPAN | Earthquake | 0.4 m | - | 135 km |
| 1978 | TOKAIDO | Earthquake | 0.4 m | 25 | 124 km |
| 1923 | RYUKYU ISLANDS | Earthquake | 0.3 m | - | 69 km |
| 1896 | KASHIMA, JAPAN | Earthquake | 0.3 m | - | 125 km |
| 1990 | JAPAN | Earthquake | 0.2 m | - | 132 km |
| 1855 | TOKAIDO | Earthquake | - | 6,757 | 49 km |
| 1782 | ODAWARA, SAGAMI BAY | Eruption + Earthquake | - | - | 73 km |
| 1642 | BOSO, JAPAN | Earthquake | - | - | 44 km |
| 1633 | SAGAMI BAY | Earthquake | - | 150 | 107 km |
| 1602 | BOSO, JAPAN | Eruption + Earthquake | - | - | 49 km |
| 1257 | SAGAMI BAY, JAPAN | Earthquake | - | - | 82 km |
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Hakoneyama (122 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hakoneyama | Complex | 1,438 m (4,718 ft) | 2015 | 122 km |
| Izu-Oshima | Stratovolcano | 758 m (2,487 ft) | 1990 | 122 km |
| Izu-Tobu | Pyroclastic cone(s) | 1,406 m (4,613 ft) | 1989 | 130 km |
| Fujisan | Stratovolcano | 3,776 m (12,388 ft) | 1708 | 145 km |
| Toshima | Stratovolcano | 508 m (1,667 ft) | -4550 | 146 km |
| Akagisan | Stratovolcano | 1,828 m (5,997 ft) | Unknown | 154 km |
| Niijima | Lava dome(s) | 432 m (1,417 ft) | 886 | 157 km |
| Nantaisan | Stratovolcano | 2,486 m (8,156 ft) | -9540 | 157 km |
| Omanago Group | Lava dome(s) | 2,341 m (7,680 ft) | -3050 | 160 km |
| Takaharayama | Stratovolcano | 1,795 m (5,889 ft) | -4570 | 161 km |
| Nikko-Shiranesan | Shield | 2,578 m (8,458 ft) | 1952 | 166 km |
| Harunasan | Stratovolcano | 1,449 m (4,754 ft) | 550 | 170 km |
| Miyakejima | Stratovolcano | 775 m (2,543 ft) | 2010 | 174 km |
| Kozushima | Lava dome(s) | 572 m (1,877 ft) | 838 | 179 km |
| Nasudake | Stratovolcano(es) | 1,915 m (6,283 ft) | 1963 | 182 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.1 in | Coldest |
| February | 42°F (5°C) | 2.9 in | |
| March | 47°F (8°C) | 4.4 in | |
| April | 56°F (14°C) | 4.8 in | |
| May | 64°F (18°C) | 4.7 in | |
| June | 70°F (21°C) | 6.5 in | |
| July | 76°F (24°C) | 4.7 in | |
| August | 79°F (26°C) | 5.1 in | Warmest |
| September | 73°F (23°C) | 7.6 in | Wettest |
| October | 63°F (17°C) | 7.3 in | |
| November | 54°F (12°C) | 4.0 in | |
| December | 45°F (7°C) | 2.1 in | Driest |
Ōami has a seasonal temperature swing of 39°F / from 41°F in January to 79°F in August. Total annual precipitation is 56.4 inches, with September being the wettest month (7.6") and December the driest (2.1").
Schools in Ōami
26 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| 茂原市立本納中学校 | - | - | - | - |
| Eastern Driving School | - | - | - | - |
| 茂原市立新治小学校 | - | - | - | - |
| Oami Elementary School | - | - | - | - |
| Kiminomori Elementary School | - | - | - | - |
| Oami High School | - | - | - | - |
| Oami Junior High School | - | - | - | - |
| 千葉市立大木戸小学校 | - | - | - | - |
| 千葉市立越智小学校 | - | - | - | - |
| 千葉市立土気小学校 | - | - | - | - |
| 千葉市立越智中学校 | - | - | - | - |
| Oamihigashi Elementary School | - | - | - | - |
| 千葉市立誉田東小学校 | - | - | - | - |
| 市原市立市東第一小学校 | - | - | - | - |
| 千葉市立大椎中学校 | - | - | - | - |
| 千葉市立土気中学校 | - | - | - | - |
| 千葉県立土気高等学校 | - | - | - | - |
| 千葉市立大椎小学校 | - | - | - | - |
| 千葉市立あすみが丘小学校 | - | - | - | - |
| 千葉市立土気南中学校 | - | - | - | - |
| 千葉市立土気南小学校 | - | - | - | - |
| Eastern Driving School | - | - | - | - |
| 私立茂原北陵高等学校 | - | - | - | - |
| 大網白里市立瑞穂小学校 | - | - | - | - |
| 茂原市立本納小学校 | - | - | - | - |
| 市原市立市東第二小学校 | - | - | - | - |
Radio Stations near Ōami
0 stations within ~55 km.
| Station | Genre | Quality |
|---|
Museums in Ōami
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Chiba City Municipal Museum (Chiba Castle) | ||||
| Chiba City Museum of Art | ||||
| Chiba City Museum of Science | ||||
| Cultural Heritage Museum | ||||
| Former Hotta Estate | ||||
| Hoshi Shoichi Print Exhibition Room | ||||
| Ichihara Lakeside Museum | ||||
| Museum of Aeronautical Sciences | ||||
| Narita Airport and Community Historical Museum | ||||
| Natural History Museum and Institute | ||||
| Sanrizuka Imperial Farm Museum | ||||
| Sardine Exhibition Room | ||||
| Tōshō-ji Sogoreido. Museum. Temple. | ||||
| Yachiyo City Museum of Local History | ||||
| Zoo Museum | ||||
| いすみ市郷土資料館(田園の美術館) | ||||
| スポーツ資料館 | ||||
| はにわ博物館 | ||||
| 九十九里いわし博物館 | ||||
| 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 | ||||
| 千葉県いすみ環境と文化のさとセンター | ||||
| 千葉県立中央博物館大多喜城分館 | ||||
| 千葉県立美術館 | ||||
| 印旛歴史民俗資料館 | ||||
| 史跡上総国分尼寺跡展示館 | ||||
| 史跡長柄横穴群資料館 | ||||
| 君津市立久留里城址資料館 | ||||
| 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) | ||||
| 商い資料館 | ||||
| 国立歴史民俗博物館 | ||||
| 国際上総埴生美術館 | ||||
| 城西国際大学水田美術館 | ||||
| 塚本美術館 | ||||
| 大多喜町 天然ガス記念館 | ||||
| 宗吾霊宝殿 | ||||
| 山武市歴史民俗資料館 | ||||
| 川村記念美術館 | ||||
| 市原市水と彫刻の丘 | ||||
| 房総中央鉄道館 | ||||
| 旧但馬家住宅 | ||||
| 旧但馬家住宅 | ||||
| 旧武居住宅 | ||||
| 白子町歴史民俗資料室 | ||||
| 睦沢町立歴史民俗資料館 | ||||
| 研修館 | ||||
| 芝山町立芝山古墳・はにわ博物館;芝山はにわ博物館 | ||||
| 茂原市立美術館・郷土資料館 | ||||
| 釜屋 | ||||
| 長南町郷土資料館 | ||||
| 麻雀博物館 |
Libraries in Ōami
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Chiba City Central Library | 0.0 | |||||
| Chiba City Central Library | 0.0 | |||||
| Sakura Minami Library | 0.0 | |||||
| Sakura Minami Library | 0.0 | |||||
| Shisui Town Library | 0.0 | |||||
| Tomisato Municipal Library | 0.0 | |||||
| TRC Yachiyo Central Library | 0.0 | |||||
| TRC Yachiyo Central Library | 0.0 | |||||
| Yokochiba Library | 0.0 | |||||
| Yokoshibahikari Public Library | 0.0 | |||||
| Yokoshibahikari Public Library | 0.0 | |||||
| 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 | |||||
| 八千代市立八千代台図書館 | 0.0 | |||||
| 八千代市立八千代台図書館 | 0.0 | |||||
| 八千代市立八千代台図書館 | 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 | |||||
| 八千代市立大和田図書館 | 0.0 | |||||
| 八千代市立大和田図書館 | 0.0 | |||||
| 八千代市立緑が丘図書館 | 0.0 | |||||
| 八千代市立緑が丘図書館 | 0.0 | |||||
| 八千代市立緑が丘図書館 | 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 | |||||
| 千葉市稲毛図書館 | 0.0 | |||||
| 千葉市稲毛図書館 | 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 | 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 | |||||
| 千葉市美浜図書館 | 0.0 | |||||
| 千葉市美浜図書館 | 0.0 | |||||
| 千葉市花見川図書館 | 0.0 | |||||
| 千葉市花見川図書館 | 0.0 | |||||
| 千葉市花見川図書館 | 0.0 | |||||
| 千葉市花見川図書館花見川団地分館 | 0.0 | |||||
| 千葉市花見川図書館花見川団地分館 | 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 | |||||
| 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 | |||||
| 大多喜町立大多喜図書館天賞文庫 | 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 | |||||
| 市原市立中央図書館 | 0.0 | |||||
| 成東図書館 | 0.0 | |||||
| 成田市立図書館 公津の杜分館 | 0.0 | |||||
| 成田市立図書館公津分館 | 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 | |||||
| 習志野市立東習志野図書館 | 0.0 | |||||
| 習志野市立東習志野図書館 | 0.0 | |||||
| 習志野市立東習志野図書館 | 0.0 | |||||
| 附属図書館 | 0.0 | |||||
| 附属図書館 | 0.0 |
Farmers Markets in Ōami
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Landrome | |||||
| Sakura Furusato Market | |||||
| Shigenoya Food Market | |||||
| Shigenoya Food Market | |||||
| 下田農業ふれあい館 | |||||
| 下田農業ふれあい館 | |||||
| 千葉市中央卸売市場 (Chiba City Central Wholesale Market) | |||||
| 市川フラワーオークションジャパン | |||||
| 花卉市場棟 | |||||
| 関連食品棟 |
Hotels in Ōami
1 hotels within city radius - OpenStreetMap data
Restaurants in Ōami
19 restaurants within city radius - OpenStreetMap data
Cafes in Ōami
1 cafes within city radius - OpenStreetMap data
Clinics in Ōami
4 clinics within city radius - OpenStreetMap data
Dentists in Ōami
7 dentists within city radius - OpenStreetMap data
Train Stations in Ōami
5 train stations within city radius - OpenStreetMap data
Bus Stations in Ōami
1 bus stations within city radius - OpenStreetMap data
Gas Stations in Ōami
11 gas stations within city radius - OpenStreetMap data
Banks in Ōami
6 banks within city radius - OpenStreetMap data
Shopping Malls in Ōami
1 shopping malls within city radius - OpenStreetMap data
Golf Courses in Ōami
7 golf courses within city radius - OpenStreetMap data
Stadiums & Teams in Ōami
| Team | League | Division |
|---|---|---|
Airports Near Ōami
29 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Ibaraki Airport | IBR | Large Airport |
| Narita International Airport | NRT | Large Airport |
| Tokyo Haneda International Airport | HND | Large 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 |
| Hanyu Gliderport | - | Small Airport |
| Hoshubana Gliderport | - | Small Airport |
| Itakura Gliderport | - | Small Airport |
| Iwabuchi Watergate Auxiliary Airfield | - | Small Airport |
| JGSDF Kasumigaura Airfield | - | Small Airport |
| JGSDF Narashino Airfield | - | Small Airport |
| Kazo Gliderport | - | Small Airport |
| Kisarazu Nakajima Auxiliary Airfield / Kisarazu Heliport | - | Small Airport |
| Kozaki Airfield | - | Small Airport |
| Makabe Gliderport | - | Small Airport |
| Namiki Auxiliary Airfield | - | Small Airport |
| Otone Airfield | - | Small Airport |
| Ryugasaki Airfield | - | Small Airport |
| Sekiyado Gliderport | - | Small Airport |
| Skyfield Watarase | - | Small Airport |
| Tokyo Flight Park Moriya Airstrip | - | Small Airport |
| Tsukuba Gliderport | - | Small Airport |
| Urayasu Emergency Runway | - | Small Airport |
| Yomiuri Otone Gliderport | - | Small Airport |
Post Offices in Ōami
11 post offices.
| Post Office | Address |
|---|---|
| Chiba Asumigaoka Post Office | |
| Chiba Ochi Post Office | |
| Honda Ekimae Post Office | |
| Honno Post Office | |
| Niiharu Post Office | |
| Oami Midorigaoka Post Office | |
| Oami Mizuhodai Post Office | |
| Oami Post Office | |
| Toke Ekimae Post Office | |
| Toke Post Office | |
| Yachimata Yamadadai Post Office |
Treatment Centers in Ōami
3 treatment centers.
| Center | Type | Phone |
|---|---|---|
| あすか眼科医院 | ||
| 八千代リハビリテーション病院 | ||
| 検見川整形外科内科 |
Churches & Religious Organizations in Ōami
28 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| エホバの証人の誉田・土気会衆 | |
| 八幡神社 | |
| 八幡神社 | |
| 土気チャペル | |
| 大国主神社 | |
| 妙照寺 | |
| 寶積院 | |
| 日吉神社 | |
| 本栄寺 | |
| 東光寺 | |
| 東栄寺 | |
| 橘樹神社 | |
| 正法寺 | |
| 正法寺 | |
| 水神社 | |
| 法蓮寺 | |
| 熊野神社 | |
| 生神神社 | |
| 白山神社 | |
| 矢口神社 |
Quick Facts
🇯🇵 About Japan
Public Holidays in Japan
16 public holidays this year
Frequently Asked Questions About Ōami
What is the population of Ōami?
Ōami has a population of 53,239 residents and is located in Japan. The population density is 352 people per square mile, spread across 151.4 square miles. The median age of residents is 47.5 years, which is older than the national median of 38.9 years.
Is Ōami 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 Ōami?
Ōami enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winter temperatures average 41°F in January, while summers reach an average of 76°F in July. The area receives 234 sunny days per year. Annual rainfall totals 56.3 inches.
How is the job market in Ōami?
The job market in Ōami is very strong, with unemployment at just 2.5% / well below the national rate of 3.6%. There are 1,704 business establishments in the area.
How much does housing cost in Ōami?
The median home value in Ōami is $102,000. For renters, the median monthly rent is $510.
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