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Aioi

Hyōgo, Japan
Population28,355
PrefectureHyōgo
Over 6536.7 %
Density314 /km²
To Tokyo485 km
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About Aioi

Aioi is a city in Hyōgo, Japan, with a population of about 28,355 inhabitants. About 36.7% of residents are aged 65 or over and the median age is 53.5. The average taxable income is about 310.1万 yen per taxpayer (2023). The population density is about 314/km² (ranked #325 of 531 covered cities), the home-ownership rate is 57.8% and the city counts 4 hospitals. Since 1980, the population has declined by 31.7% (-5.9% between 2015 and 2020). On this page you can find driving distances, travel time and routes from Aioi to major Japanese cities, nearby towns and the local climate.

📍 Aioi — latitude, longitude & GPS coordinates →

📊 Hyōgo — city rankings (density, income, housing…) →

Aioi — key statistics

Population28,3552020 census
Registered population26,6461 Jan 2026 · -1.52 % vs 2025
Aged 65+36.7 %
Median age53.5
Income / taxpayer310.1万 yen2023
Density314/km²
Area90.4km²
Home ownership57.8 %2018
Vacant homes27.2 %2018
Hospitals4facilities
Clinics21facilities
Schools (primary+jr high)10schools
Rent / tatami2,186yen (2018)
Fiscal strength index0.552021
Doctors50physicians
Dental clinics14facilities
High schools2schools
Kindergartens7schools
Libraries1libraries
Unemployment5.6 %2020 census
Population trend 1980–2020 41,498 → 28,355

Source: e-Stat — Statistics Bureau of Japan (census, housing & land survey, medical facilities & school surveys, municipal finance)

Aioi — population dynamics & households

Births1122024 · 3.9‰
Deaths45416.0‰
Natural change-342-12.1‰
Moved in670
Moved out785
Net migration-115-4.1‰
Marriages772.7‰
Households11,8062020 census
One-person households31.2 %

In 2024, Aioi recorded 112 births and 454 deaths (natural change -342), with 670 people moving in and 785 moving out (net migration -115).

Age structure 2020
0–14 11.5 %15–64 51.5 %65+ 37 %

Source: e-Stat — System of Social and Demographic Statistics (vital statistics, migration report, census)

Aioi — official land prices 2026

Residential land (avg)5.0万 yen/m² · 6 points
Residential (median)5.2万 yen/m²
Residential (highest)7.4万 yen/m²
Commercial land (avg)6.0万 yen/m² · 2 points
Change vs previous year+0.08 %average of all points

The 2026 official land price survey lists 12 standard points in Aioi: residential land averages 50,150 yen/m² (median 51,500, highest 74,000), commercial land averages 60,300 yen/m², with an average change of +0.08 % over one year.

Source: MLIT — National Land Numerical Information, Official Land Price (L01) 2026

Train stations near Aioi

Closest railway stations.

Nishiaioi Station1.6km
Aioi Station1.7km
Tatsuno Station5.5km
Sakoshi Station6.0km
Une Station7.2km
Banshūakō Station8.6km
Hontatsuno Station10.3km
Aboshi Station10.7km
Sanyōaboshi Station11.1km
Hiramatsu Station12.2km
Tenwa Station12.3km
Higashihashisaki Station12.4km
Kamigōri Station12.6km
Harima Katsuhara Station13.4km

Frequently asked questions

Aioi population?

About 28,355 inhabitants (2020 census).

Population density of Aioi?

About 314 inhabitants/km² (area 90.4 km²).

Average rent in Aioi?

About 2,186 yen per tatami per month (2018 Housing and Land Survey).

Distance from Aioi to Tokyo?

About 485 km in a straight line.