Iwanuma Population 2026
Iwanuma has a population of 44,068, making it the #617 biggest city in 🇯🇵 Japan, located in Miyagi. It is about 221× smaller than Tokyo, the country's biggest city.
Population (city proper)
44,068
Rank in Japan
#617
Coordinates
38.10°N, 140.86°E
~5 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
288 km
179 miles, straight line
Other big cities in Miyagi
| City | Population | Rank in Japan |
|---|---|---|
| Sendai | 1,096,704 | #12 |
| Ishinomaki | 140,151 | #186 |
| Ōsaki | 128,763 | #209 |
| Natori-shi | 78,718 | #348 |
| Tome | 77,897 | #353 |
| Furukawa | 76,312 | #362 |
| Kurihara | 66,565 | #421 |
| Tagajō-shi | 62,827 | #441 |
Cities near Iwanuma
FAQ
What is the population of Iwanuma?
Iwanuma has a population of 44,068 (city proper, latest official figure via GeoNames), making it the #617 biggest city in Japan.
What region is Iwanuma in?
Iwanuma is located in Miyagi, Japan.
Is Iwanuma the capital of Japan?
No, the capital of Japan is Tokyo, about 288 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.