Aioi Population 2026
Aioi has a population of 28,355, making it the #866 biggest city in 🇯🇵 Japan, located in Hyōgo. It is about 343× smaller than Tokyo, the country's biggest city.
Population (city proper)
28,355
Rank in Japan
#866
Coordinates
34.80°N, 134.47°E
~8 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
484 km
301 miles, straight line
Other big cities in Hyōgo
| City | Population | Rank in Japan |
|---|---|---|
| Kobe | 1,525,152 | #8 |
| Himeji | 530,495 | #28 |
| Nishinomiya | 485,587 | #33 |
| Amagasaki | 459,593 | #38 |
| Akashi | 303,601 | #77 |
| Kakogawachō-honmachi | 271,634 | #87 |
| Takarazuka | 226,432 | #110 |
| Itami | 198,138 | #122 |
Cities near Aioi
FAQ
What is the population of Aioi?
Aioi has a population of 28,355 (city proper, latest official figure via GeoNames), making it the #866 biggest city in Japan.
What region is Aioi in?
Aioi is located in Hyōgo, Japan.
Is Aioi the capital of Japan?
No, the capital of Japan is Tokyo, about 484 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.