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Kōzaki, Japan

Chiba · Japan

Kōzaki is a small city in Chiba, Japan with a population of 5,884. Elevation: 30 ft (9 m). Average temperature: 58°F (14°C).

4.2 /5.0
A Great
5,884 Population 766/sq mi density
30 ft Elevation 9 meters
58°F Avg Temperature 14°C
54.5 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 Kōzaki, 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

Population5,884
Median Age47.5 yrs
Density766/mi²

Economy

B
Median Income$35,400
Unemployment2.5%

Housing

A+
Home Value$102,000
Rent$510
Housing Units2,354

Climate

Avg Temp58°F (14°C)
Rain54.5 in/yr
Sunny Days237/yr
Elevation30 ft (9 m)
Population5,884
Population Density766 / sq mi
Elevation30 ft (9 m)
Coordinates35.9000°, 140.4000°
TimezoneAsia/Tokyo
Country🇯🇵 Japan
State / ProvinceChiba
Average Temperature58°F (14°C)
January Average39°F (4°C)
July Average74°F (24°C)
Annual Precipitation54.5 inches (1,384 mm)
Annual Snowfall0.0 inches (0 cm)
Median Household Income$35,400
Median Age47.5 years

About Kōzaki

Kōzaki is a small city in Japan (Chiba) with a population of 5,884. The city sits at an elevation of 30 feet (9 meters) above sea level. The average annual temperature is 58°F (14°C). Temperatures range from 39°F in January to 74°F in July. Annual precipitation averages 54.5 inches. The timezone is Asia/Tokyo.

Kōzaki has a population of 5,884 with a density of 766 people per square mile, spread across 7.7 square miles. The median age is 47.5 years, 22% older than the national median of 38.9.

Population

5,884
Total Population
766
People / sq mi
47.5yrs
Median Age
22% above Japan avg
7.7mi²
Land Area

Language Spoken at Home

Other Languages 100.0%

Social Characteristics

Kōzaki vs Japan Average

The median household income in Kōzaki 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 188 business establishments.

Income: Kōzaki vs Japan

Commute Mode

Income

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

Employment & Poverty

Unemployment2.5%
31% below Japan avg
Establishments (County)188

Business (County)

Tax & Cost of Living

Commute & Transportation

Walkability

The median home value in Kōzaki 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 2,354 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 Units2,354

Property Tax

Kōzaki enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 39°F in January while summers reach 74°F in July. The area gets 237 sunny days per year, above the national average. Annual precipitation totals 54.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 30 feet, near sea level.

Temperature

39°F Jan (4°C) 74°F Jul (24°C)
Annual Average57.6°F
7% above Japan avg
January Average39°F (4°C)
July Average74°F (24°C)
Sunny Days237 days/yr

Geography

Elevation30 ft (9 m)
Area7.7 sq mi (19.9 km²)
Population Density766/sq mi
Coordinates35.9000°N, 140.4000°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 54.5"
43% above Japan avg
Snowfall 0.0"
Wettest Month (Sep) 7.36"
Driest Month (Jan) 1.89"

Air Quality

Earthquake History

3,826 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 77 km
May 7, 2008 78 km NE of Hasaki, Japan M6.9 105 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 122 km
Mar 11, 2011 81 km NE of Hasaki, Japan M6.5 109 km
Mar 11, 2011 108 km ESE of Kitaibaraki, Japan M6.4 145 km
Mar 11, 2011 92 km ENE of Hasaki, Japan M6.3 127 km
Jul 30, 2011 13 km SSE of Iwaki, Japan M6.3 126 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 42 km
Mar 11, 2011 near the east coast of Honshu, Japan M6.3 149 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 56 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 39 km
May 7, 2008 80 km NE of Hasaki, Japan M6.2 108 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 37 km
Mar 11, 2011 70 km ESE of Kitaibaraki, Japan M6.2 123 km
Sep 11, 1996 23 km SSE of Hasaki, Japan M6.2 64 km
Aug 5, 1990 43 km E of ?arai, Japan M6.1 76 km
Mar 13, 2011 72 km E of Hasaki, Japan M6.1 113 km
Sep 15, 2011 68 km E of ?arai, Japan M6.1 93 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 43 km
Jun 5, 2012 75 km ESE of ?hara, Japan M6.1 125 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Nakri Category 1 285 km
2024 Ampil Category 3 176 km
2024 Jebi Category 1 198 km
2021 Mindulle Category 1 271 km
2019 Faxai Category 3 14 km
2019 Hagibis Category 2 96 km
2018 Jongdari Category 2 230 km
2018 Shanshan Category 1 138 km
2016 Mindulle Category 1 196 km
2016 Lionrock Category 1 198 km
2014 Phanfone Category 1 213 km
2011 Roke Category 1 108 km
2009 Krovanh Category 1 271 km
2007 Fitow Category 1 113 km
2005 Saola Category 2 247 km
2005 Mawar Category 2 24 km
2004 Ma-on Category 3 64 km
2003 Choi-wan Category 3 266 km
2002 Higos Category 2 45 km
2002 Phanfone Category 1 294 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 105,385 121 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 144 km
1677 OFF SE. BOSO PENINSULA Earthquake 8.0 m 500 141 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 121 km
1732 KUJUKURI BEACH, JAPAN Earthquake 2.0 m 86 km
1670 BOSO, JAPAN Earthquake 2.0 m 70 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 138 km
1938 JAPAN TRENCH Earthquake 0.8 m 126 km
1982 IBARAKI, JAPAN Earthquake 0.4 m 122 km
1961 KASHIMA, JAPAN Earthquake 0.4 m 136 km
1961 KASHIMA, JAPAN Earthquake 0.4 m 139 km
1923 KASHIMA, JAPAN Earthquake 0.4 m 138 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 113 km
1896 KASHIMA, JAPAN Earthquake 0.3 m 86 km
1935 JAPAN Earthquake 0.2 m 119 km
1855 TOKAIDO Earthquake 6,757 61 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 109 km
1642 BOSO, JAPAN Earthquake 80 km
1633 SAGAMI BAY Earthquake 150 134 km
1602 BOSO, JAPAN Eruption + Earthquake 89 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Takaharayama (124 km).

Name Type Elevation Last Eruption Distance
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 124 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 126 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 128 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 131 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 136 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 142 km
Hakoneyama Complex 1,438 m (4,718 ft) 2015 145 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 153 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 154 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 160 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 162 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 163 km
Asamayama Complex 2,568 m (8,425 ft) 2019 178 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 184 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 186 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 1.9 in Coldest, Driest
February 40°F (4°C) 2.8 in
March 45°F (7°C) 4.0 in
April 55°F (13°C) 4.6 in
May 63°F (17°C) 4.8 in
June 68°F (20°C) 6.3 in
July 74°F (24°C) 5.0 in
August 78°F (25°C) 4.8 in Warmest
September 72°F (22°C) 7.4 in Wettest
October 62°F (17°C) 7.2 in
November 52°F (11°C) 3.7 in
December 43°F (6°C) 2.1 in

Kōzaki has a seasonal temperature swing of 39°F / from 39°F in January to 78°F in August. Total annual precipitation is 54.5 inches, with September being the wettest month (7.4") and January the driest (1.9").

View full weather details →

Schools in Kōzaki

19 public schools (NCES 2022-23 data).

School Level Enrollment Teachers Student/Teacher
神崎町立 神崎小学校
成田市立高岡小学校
旧名木小前
成田市立小御門小学校
千葉県立下総高等学校
成田市立久住第二小学校
成田市立津富浦小学校
成田市立大須賀小学校
香取市立瑞穂小学校
稲敷市立 あずま南小学校
成田市立下総みどり学園
神崎町立 神崎中学校
香取養護学校
稲敷市立 東中学校
稲敷市立 あずま北小学校
大栄みらい学園
神埼町立米沢小学校
成田市立大栄中学校
成田市立名木小学校
View full schools details →

Radio Stations near Kōzaki

0 stations within ~55 km.

Station Genre Quality

Museums in Kōzaki

NameTypeAddressPhoneAnnual Revenue
Archaeology Museum
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
Historical Museum of Kasumigaura City
Inō Tadataka Museum
Kijo Plaza
Museum of Aeronautical Sciences
Narita Airport and Community Historical Museum
Narita Yōkan Memorial Hall
Naritasan Museum of Calligraphy
Naritasan Reikokan
Nature Center
Old Hirano Family House
Old Mikogami Family House
Sanrizuka Imperial Farm Museum
Suigo Sawara Float Hall
Tōshō-ji Sogoreido. Museum. Temple.
Treasure Hall
Tsuchiura City Museum
Tsuchiura-city Archeological Museum
Yokaren peace memorial museum
サーキットの狼ミュージアム
スポーツ資料館
はにわ博物館
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
千葉県立中央博物館大利根分館
印旛歴史民俗資料館
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)
国立歴史民俗博物館
土浦市立博物館
塚本美術館
大原幽学記念館
宗吾霊宝殿
富士見塚古墳公園・展示館
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
神栖民俗資料館
美浦村 文化財センター
芝山町立芝山古墳・はにわ博物館;芝山はにわ博物館
郷土資料館
郷土資料館
香取市文化財保存館
龍ヶ崎市 歴史民俗資料館

Libraries in Kōzaki

NameAddressStaffAnnual VisitsCirculationCollectionPrograms
(財)米本図書館0.0
Chiba Prefectural East Library0.0
Imba Library0.0
Imba Library0.0
Kamisu City Central Library0.0
Narita Municipal Library Narita Branch0.0
Narita Public Library0.0
Naritasan Buddhism Library0.0
Public Library0.0
Sakura Minami Library0.0
Sakura Minami Library0.0
Shisui Town Library0.0
Tomisato Municipal Library0.0
Tsuchiura City Library0.0
Tsuchiura City Library0.0
Ushiku City Central Library0.0
Yokochiba Library0.0
Yokoshibahikari Public Library0.0
Yokoshibahikari Public Library0.0
佐倉市立佐倉図書館0.0
佐倉市立佐倉図書館0.0
八街市立図書館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
多古町立図書館0.0
小見川町立小見川図書館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
潮来市立図書館0.0
稲敷市立図書館0.0
行方市立図書館0.0
阿見町図書館0.0
鹿島市立中央図書館0.0
龍ヶ崎市立 中央図書館0.0

Farmers Markets in Kōzaki

NameAddressSeasonHoursOrganicWebsite
Ami Yasai
Sakura Furusato Market
エービン 河内店
コメリハード&グリーン 河内店
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
鹿島中央青果株式会社

Restaurants in Kōzaki

8 restaurants within city radius — OpenStreetMap data

Barbecue House
Farm Cafe
オリゼ
キッチンカワセ
ささひや
チーズフォレスト
ピザタイム
ラーメン亭 力力(リーリー)

Cafes in Kōzaki

3 cafes within city radius — OpenStreetMap data

Milky House
Prime House
道の駅 発酵の里こうざき 発酵茶房

Monuments in Kōzaki

1 monuments within city radius — OpenStreetMap data

土地改良記念碑

Theme Parks in Kōzaki

1 theme parks within city radius — OpenStreetMap data

Narita Dream Farm

Train Stations in Kōzaki

2 train stations within city radius — OpenStreetMap data

Namegawa
Shimosa-Kozaki

Gas Stations in Kōzaki

6 gas stations within city radius — OpenStreetMap data

ENEOS
ENEOS
Idemitsu Kosan
JA-SS
JOMO
JP #2054035828

Banks in Kōzaki

4 banks within city radius — OpenStreetMap data

Chiba Bank
Sawara Shinkin Bank
The Sawara Shinkin Bank
常陽銀行

Golf Courses in Kōzaki

3 golf courses within city radius — OpenStreetMap data

Kasco Hanaha Club
神崎変電所CC
長太郎CC

Breweries in Kōzaki

NameTypeAddressPhoneWebsite
正上醤油
馬場本店

Stadiums & Teams in Kōzaki

TeamLeagueDivision

Airports Near Kōzaki

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
Utsunomiya Air FieldMedium Airport
Akeno Auxiliary AirfieldSmall Airport
Bando Auxiliary AirfieldSmall Airport
Chiyoda Auxiliary AirstripSmall Airport
Haneda GliderportSmall Airport
Hoshubana GliderportSmall Airport
Iwabuchi Watergate Auxiliary AirfieldSmall Airport
JGSDF Kasumigaura AirfieldSmall Airport
JGSDF Narashino AirfieldSmall 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
Shirosato Auxiliary AirfieldSmall Airport
Skyfield WataraseSmall Airport
Tokyo Flight Park Moriya AirstripSmall Airport
Tsubasa Flying Club Kawashima Auxiliary AirfieldSmall Airport
Tsukuba GliderportSmall Airport
Urayasu Emergency RunwaySmall Airport
Utsunomiya Auxiliary AirfieldSmall Airport
Yomiuri Otone GliderportSmall Airport

Post Offices in Kōzaki

8 post offices.

Post OfficeAddress
Azuma Isaki Post Office
Azuma Post Office
Komikado Post Office
Kozaki Post Office
Sawara Horinouchi Post Office
Shimofusa Post Office
Shoei Post Office
Taiei Post Office

Churches & Religious Organizations in Kōzaki

21 religious organizations (IRS tax-exempt data).

NameAddress
Uka shurine
エホバの証人
お地蔵様
ワットパクナム日本別院
今宮神社
太子堂
宇迦神社
小御門神社
常福寺
日本大道院純陽宮
星宮神社
楽満寺
檀林寺
熊野神社
瘡守稲荷
白山神社
神宮寺
神崎神社
神崎神社
西坂神社
郡江口郷稲荷神社

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

Download Full City Report

Get a comprehensive, print-ready PDF with all data for Kōzaki.

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Frequently Asked Questions About Kōzaki

What is the population of Kōzaki?

Kōzaki has a population of 5,884 residents and is located in Japan. The population density is 766 people per square mile, spread across 7.7 square miles. The median age of residents is 47.5 years, which is older than the national median of 38.9 years.

Is Kōzaki 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 Kōzaki?

Kōzaki enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winter temperatures average 39°F in January, while summers reach an average of 74°F in July. The area receives 237 sunny days per year. Annual rainfall totals 54.5 inches.

How is the job market in Kōzaki?

The job market in Kōzaki is very strong, with unemployment at just 2.5% / well below the national rate of 3.6%. There are 188 business establishments in the area.

How much does housing cost in Kōzaki?

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

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