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Saiki, Japan

Oita · Japan

Saiki is a mid-size city in Oita, Japan with a population of 66,851. Elevation: 10 ft (3 m). Average temperature: 60°F (15°C).

Data updated June 2026

4.1 /5.0
A Great
66,851 Population 192/sq mi density
10 ft Elevation 3 meters
60°F Avg Temperature 15°C
80.6 in Annual Rain
Asia / Tokyo Timezone
$28,600 Median Income
A
Overall
4.1 / 5.0
Great overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$28,600 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$68,000 home value, $340/mo rent

Discover Saiki, 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

Population66,851
Median Age50.2 yrs
Density192/mi²

Economy

B
Median Income$28,600
Unemployment2.3%

Housing

A+
Home Value$68,000
Rent$340
Housing Units26,740

Climate

Avg Temp60°F (15°C)
Rain80.6 in/yr
Sunny Days190/yr
Elevation10 ft (3 m)
Population66,851
Population Density192 / sq mi
Elevation10 ft (3 m)
Coordinates32.9500°, 131.9000°
TimezoneAsia/Tokyo
Country🇯🇵 Japan
State / ProvinceOita
Average Temperature60°F (15°C)
January Average42°F (5°C)
July Average77°F (25°C)
Annual Precipitation80.6 inches (2,047 mm)
Annual Snowfall0.0 inches (0 cm)
Median Household Income$28,600
Median Age50.2 years

About Saiki

Saiki is a mid-size city in Japan (Oita) with a population of 66,851. The city sits at an elevation of 10 feet (3 meters) above sea level. The average annual temperature is 60°F (15°C). Temperatures range from 42°F in January to 77°F in July. Annual precipitation averages 80.6 inches. The timezone is Asia/Tokyo.

Saiki has a population of 66,851 with a density of 192 people per square mile, spread across 348.9 square miles. The median age is 50.2 years, 29% older than the national median of 38.9.

Population

66,851
Total Population
192
People / sq mi
50.2yrs
Median Age
29% above Japan avg
348.9mi²
Land Area

Language Spoken at Home

Other Languages 100.0%

Social Characteristics

Saiki vs Japan Average

The median household income in Saiki is $28,600, which is 62% below the national average of $75,149. The unemployment rate is 2.3% (below the 3.6% US average). The area has 18 business establishments, including 9 restaurants.

Income: Saiki vs Japan

Commute Mode

Income

Median HH Income$28,600
62% below Japan avg

Employment & Poverty

Unemployment2.3%
36% below Japan avg
Establishments (County)18

Business (County)

Restaurants9
Healthcare6
Retail0

Tax & Cost of Living

Commute & Transportation

Walkability

The median home value in Saiki is $68,000, 76% below the national median of $281,900. Monthly rent averages $340 (71% below the national average of $1,163). There are 26,740 total housing units in the city. The home price-to-income ratio is 2.4x, well within the affordable range.

Home Value Sources

Ownership Split

Home Values

Census Median$68,000
76% below Japan avg

Real Estate Market (Redfin)

Rental Costs

Census Median Rent$340
71% below Japan avg

Ownership & Property

Housing Units26,740

Property Tax

Climate in Saiki

Saiki has an average annual temperature of 17.2°C (63°F). The hottest month is Aug (27.1°C), the coldest is Jan (7.7°C). Average annual precipitation is 2236 mm.

Month Avg °C / °F Min / Max °C Rain (mm)
Jan 7.7°C / 46°F 0.7° / 17° 55.7
Feb 8.6°C / 48°F 1.5° / 18.5° 94.7
Mar 11.7°C / 53°F 3.1° / 21.5° 149.3
Apr 14.9°C / 59°F 6.6° / 22.5° 160.1
May 18.6°C / 65°F 10.5° / 26.5° 245.1
Jun 22.3°C / 72°F 16° / 29.1° 328.0
Jul 25.8°C / 78°F 21.1° / 31.9° 387.0
Aug 27.1°C / 81°F 23.1° / 32.8° 341.1
Sep 24.9°C / 77°F 18.9° / 30.9° 239.0
Oct 19.7°C / 67°F 12.8° / 27.6° 122.8
Nov 15.2°C / 59°F 7.4° / 24° 71.6
Dec 9.2°C / 49°F 2.4° / 18.4° 42.0
Saiki enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 42°F in January while summers reach 77°F in July. The area gets 190 sunny days per year. Annual precipitation totals 80.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 10 feet, near sea level.

Temperature

42°F Jan (5°C) 77°F Jul (25°C)
Annual Average59.8°F
11% above Japan avg
January Average42°F (5°C)
July Average77°F (25°C)
Sunny Days190 days/yr

Geography

Elevation10 ft (3 m)
Area348.9 sq mi (903.5 km²)
Population Density192/sq mi
Coordinates32.9500°N, 131.9000°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 80.6"
112% above Japan avg
Snowfall 0.0"
Wettest Month (Jul) 12.09"
Driest Month (Jan) 1.85"

Air Quality

Earthquake History

484 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 M7.1 138 km
Apr 15, 2016 6 km ESE of Kumamoto, Japan M7.0 109 km
Jan 13, 2025 15 km SE of Miyazaki, Japan M6.8 129 km
Mar 24, 2001 16 km SSW of Kure, Japan M6.8 139 km
Dec 2, 1996 17 km SW of Miyazaki, Japan M6.7 140 km
Oct 19, 1996 5 km SE of Miyazaki, Japan M6.7 125 km
Mar 13, 2014 32 km SSW of Hikari, Japan M6.3 82 km
Jan 21, 2022 27 km SSE of Saiki, Japan M6.3 28 km
Jun 11, 2006 15 km S of Tsukawaki, Japan M6.3 73 km
Apr 17, 2024 18 km W of Uwajima, Japan M6.3 55 km
Apr 14, 2016 2 km SSE of Kumamoto, Japan M6.2 113 km
May 9, 2019 43 km ESE of Miyazaki, Japan M6.2 131 km
Apr 14, 2016 5 km ENE of Uto, Japan M6.0 114 km
Apr 5, 2009 10 km N of Miyazaki, Japan M5.8 114 km
Aug 28, 2014 53 km E of Takanabe, Japan M5.8 97 km
Apr 15, 2016 6 km S of Kikuchi, Japan M5.7 102 km
Apr 25, 2001 18 km SE of Saiki, Japan M5.7 18 km
Oct 19, 1996 19 km ENE of Miyazaki, Japan M5.7 113 km
Oct 19, 1996 25 km NE of Nichinan, Japan M5.6 139 km
May 9, 2019 46 km ESE of Miyazaki, Japan M5.6 128 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

64 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Shanshan (2024).

Year Name Category Closest
2024 Shanshan Category 3 158 km
2022 Nanmadol Category 3 141 km
2020 Haishen Category 2 261 km
2020 Chan-hom Category 1 299 km
2019 Francisco Category 1 101 km
2018 Jebi Category 3 188 km
2018 Trami Category 1 126 km
2018 Cimaron Category 1 235 km
2018 Prapiroon Category 1 268 km
2017 Noru Category 1 106 km
2016 Malakas Category 3 96 km
2015 Goni Category 3 141 km
2015 Nangka Category 1 224 km
2014 Phanfone Category 2 217 km
2014 Halong Category 1 119 km
2012 Jelawat Category 1 257 km
2011 Roke Category 4 298 km
2011 Ma-on Category 1 118 km
2009 Melor Category 1 287 km
2008 Sinlaku Category 1 212 km
Source: NOAA IBTrACS (Cat 1+, 1980-2026)

Tsunami History

20 tsunamis recorded within 500 km. Highest wave on record: 8.0 m (26 ft).

Year Location Cause Max Wave Deaths Distance
1596 BEPPU BAY, KYUSHU Eruption + Earthquake 8.0 m 708 43 km
1662 HIUGANADA Earthquake 5.0 m 200 139 km
1968 SEIKAIDO Earthquake 3.1 m 1 92 km
1769 SW. KYUSHU ISLAND Earthquake 2.5 m - 73 km
1941 SEIKAIDO Earthquake 1.2 m 2 107 km
1939 SEIKAIDO Earthquake 0.8 m 1 73 km
1931 SEIKAIDO Earthquake 0.8 m 1 86 km
1929 HYUGANADA SEA Earthquake 0.7 m - 142 km
1996 KYUSHU ISLAND Earthquake 0.6 m - 125 km
2024 HYUGANADA SEA Earthquake 0.5 m - 141 km
1970 SEIKAIDO Earthquake 0.3 m - 86 km
1899 SEIKAIDO Earthquake 0.3 m - 117 km
2025 HYUGANADA SEA Earthquake 0.2 m - 131 km
1996 SEA OF JAPAN Earthquake 0.2 m - 140 km
1984 KYUSHU, JAPAN Earthquake 0.2 m - 63 km
1969 RYUKYU ISLANDS Earthquake 0.1 m - 86 km
1987 KYUSHU ISLAND Earthquake 0.0 m 2 102 km
1899 SEIKAIDO Earthquake - - 47 km
1715 SEIKAIDO Earthquake - - 43 km
1698 SEIKAIDO-NANKAIDO Earthquake - - 43 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

8 volcanoes within 200 km. Closest: Yufu-Tsurumi (60 km).

Name Type Elevation Last Eruption Distance
Yufu-Tsurumi Lava dome(s) 1,584 m (5,197 ft) 867 60 km
Kujusan Stratovolcano(es) 1,791 m (5,876 ft) 1996 63 km
Asosan Caldera 1,592 m (5,223 ft) 2020 75 km
Kirishimayama Shield 1,700 m (5,577 ft) 2018 149 km
Unzendake Complex 1,483 m (4,865 ft) 1996 151 km
Abu Shield(s) 641 m (2,103 ft) -6850 175 km
Yonemaru-Sumiyoshiike Maar(s) 40 m (131 ft) -6200 180 km
Aira Caldera 1,117 m (3,665 ft) 2020 191 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (5°C) 1.9 in Coldest, Driest
February 43°F (6°C) 3.4 in
March 48°F (9°C) 4.7 in
April 57°F (14°C) 6.8 in
May 64°F (18°C) 7.8 in
June 70°F (21°C) 11.1 in
July 77°F (25°C) 12.1 in Wettest
August 79°F (26°C) 9.8 in Warmest
September 73°F (23°C) 11.5 in
October 64°F (18°C) 6.3 in
November 55°F (13°C) 3.2 in
December 46°F (8°C) 2.0 in

Saiki has a seasonal temperature swing of 37°F / from 42°F in January to 79°F in August. Total annual precipitation is 80.6 inches, with July being the wettest month (12.1") and January the driest (1.9").

View full weather details →

Schools in Saiki

35 public schools (NCES 2022-23 data).

School Level Enrollment Teachers Student/Teacher
市立渡町台小学校 - - - -
市立米水津中学校 - - - -
市立色宮小学校 - - - -
市立青山小学校 - - - -
市立鶴見中学校 - - - -
佐伯福祉学院 - - - -
市立鶴岡小学校 - - - -
大分県立佐伯豊南高等学校 - - - -
佐伯市立佐伯小学校 - - - -
市立灘小学校 - - - -
Saiki City Turuya Junior High School - - - -
市立佐伯城南中学校 - - - -
大分県立佐伯鶴城高等学校 第2グラウンド - - - -
佐伯市立佐伯東小学校 - - - -
日本文理大学附属高等学校 - - - -
佐伯市立松浦小学校 - - - -
市立佐伯南中学校 - - - -
大分県立佐伯鶴城高等学校 - - - -
市立大入島小学校 - - - -
市立上入津小学校 - - - -
市立上堅田小学校 - - - -
市立上野小学校 - - - -
市立下堅田小学校 - - - -
市立八幡小学校 - - - -
市立切畑小学校 - - - -
市立吹小学校 - - - -
市立大入島中学校 - - - -
佐伯養護学校 - - - -
市立尾浦小学校 - - - -
市立彦陽中学校 - - - -
市立明治小学校 - - - -
市立昭和中学校 - - - -
市立木立小学校 - - - -
市立本匠中学校 - - - -
市立本匠小学校 - - - -
View full schools details →

Radio Stations near Saiki

0 stations within ~55 km.

Station Genre Quality

Museums in Saiki

NameTypeAddressPhoneAnnual Revenue
Saiki History Museum
ヤマコ臼杵美術博物館
大分県マリンカルチャーセンター海洋科学館
水の子海事資料館
渡り鳥館
直川憩の森公園昆虫館・直川農業歴史資料館
野津キリシタン記念資料館

Libraries in Saiki

NameAddressStaffAnnual VisitsCirculationCollectionPrograms
Miura Shipbuilding Inc. Saiki Library0.0
津久見市民図書館0.0
臼杵市立臼杵図書館0.0
臼杵市立臼杵図書館0.0
臼杵市立臼杵図書館0.0
臼杵市立臼杵図書館野津分館0.0
荘田平五郎記念こども図書館0.0

Hotels in Saiki

10 hotels within city radius - OpenStreetMap data

HOTEL AZ
Kinsuien
Minatoya Hotel
ROUTE INN
たつみや旅館
ビジネスホテル 水の子
ビジネスホテル 鶴水
ホテル AZ 大分佐伯店
ホテル金水苑
佐伯セントラルホテル

Restaurants in Saiki

34 restaurants within city radius - OpenStreetMap data

Gusto
Joyfull
Joyfull
KatuHiro Saiki-main Shop
Parlor Chunky
Saiki Umi no Ichiba ○ Eating Space
Yuhu
インドカレー クシ
お好み焼き屋
お食事 三男坊
ことぶき
まこと寿し
ラーメン 白龍
らーめん堂 楽天
ラーメン点法輪
上海ラーメン
亀八寿司
南国ラーメン
台湾料理 普天
喜楽
天ぷら 麻耶
天津ラーメン
太陽軒
寿司源
波平食堂
炭火焼二九八
焼肉 佐伯園
焼肉太陽
藤原来々軒
豚ホル専門 こころ
道の駅やよい
高級焼肉 大将軍
魚喜屋
麺処 聖

Cafes in Saiki

2 cafes within city radius - OpenStreetMap data

Marinage
めいと

Theatres in Saiki

1 theatres within city radius - OpenStreetMap data

佐伯文化会館跡地

Monuments in Saiki

2 monuments within city radius - OpenStreetMap data

九州最東端の碑
巨大かぶとむしモニュメント

Castles in Saiki

1 castles within city radius - OpenStreetMap data

佐伯城址

Clinics in Saiki

3 clinics within city radius - OpenStreetMap data

JP #1097932480
JP #1097932481
佐伯診療所

Dentists in Saiki

3 dentists within city radius - OpenStreetMap data

JP #920120218
元井歯科
麻生歯科

Train Stations in Saiki

6 train stations within city radius - OpenStreetMap data

Kaizaki
Kamioka
Kariu
Naokawa
Naomi
Saiki

Bus Stations in Saiki

3 bus stations within city radius - OpenStreetMap data

Ôtemae Bus Station
佐伯駅前停留所
梶寄

Gas Stations in Saiki

9 gas stations within city radius - OpenStreetMap data

(株)山本石油 駅前給油所
ENEOS
ENEOS
ENEOS
JP #1097470554
JP #1097913090
JP #920120205
JP #981249785
JP #983496622

Banks in Saiki

3 banks within city radius - OpenStreetMap data

Ôita Bank
佐伯信用金庫
大分銀行

Shopping Malls in Saiki

3 shopping malls within city radius - OpenStreetMap data

アトレ
コスモタウンフリーモール佐伯
トキハインダストリー

Airports Near Saiki

4 airports within the area.

AirportIATAType
Oita AirportOITMedium Airport
Kuju Gliderport-Small Airport
Oita Prefectural (Oitakenou) Airport-Small Airport
Ubuyama Auxiliary Airfield-Small Airport

Post Offices in Saiki

31 post offices.

Post OfficeAddress
上堅田簡易郵便局
下堅田郵便局
中浦郵便局
佐伯上岡簡易郵便局
佐伯大手前郵便局
佐伯郵便局
佐伯野岡郵便局
佐伯駅前郵便局
佐伯鶴望簡易郵便局
切畑郵便局
吹簡易郵便局
大入島郵便局
尾浦簡易郵便局
床木簡易郵便局
弥生郵便局
新女島簡易郵便局
木立郵便局
本匠郵便局
東中浦郵便局
植松郵便局
楠本簡易郵便局
池船郵便局
海崎郵便局
畑野浦郵便局
直川郵便局
直見簡易郵便局
米水津郵便局
色利郵便局
青山簡易郵便局
鶴岡郵便局
鶴見郵便局

Churches & Religious Organizations in Saiki

4 religious organizations (IRS tax-exempt data).

NameAddress
Hôken Shrine
Sumiyoshi Shrine
カトリック
養賢寺

Quick Facts

Timezone
Asia/Tokyo

Around Saiki

Places within 5 km radius - OpenStreetMap data

Schools 22
Hospitals 6
Restaurants 9
Cafes 1
Hotels 2
Parks 40
Police Stations 4
Fire Stations 1
Places of Worship 4

Things to See Near Saiki

1 places within 15 km

🌄 Viewpoints (1)
  • • Tomiyama Observatory

🇯🇵 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 Saiki

What is the population of Saiki?

Saiki has a population of 66,851 residents and is located in Japan. The population density is 192 people per square mile, spread across 348.9 square miles. The median age of residents is 50.2 years, which is older than the national median of 38.9 years.

Is Saiki expensive to live in?

The median household income is $28,600, 62% below the national average of $75,149. The median home value is $68,000 (76% below the U.S. median). Renters pay a median of $340 per month, below the national average of $1,163. The home price-to-income ratio is 2.4x, indicating housing is reasonably affordable relative to local income levels.

What is the weather like in Saiki?

Saiki enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winter temperatures average 42°F in January, while summers reach an average of 77°F in July. The area receives 190 sunny days per year. Annual rainfall totals 80.6 inches.

How is the job market in Saiki?

The job market in Saiki is very strong, with unemployment at just 2.3% / well below the national rate of 3.6%. There are 18 business establishments in the area, including 9 restaurants and food service locations.

How much does housing cost in Saiki?

The median home value in Saiki is $68,000. For renters, the median monthly rent is $340.

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