Niiza Population 2026
Niiza has a population of 166,017, making it the #155 biggest city in 🇯🇵 Japan, located in Saitama. Roughly 0.1% of Japan's population lives here. It is about 59× smaller than Tokyo, the country's biggest city.
Population (city proper)
166,017
Rank in Japan
#155
Coordinates
35.82°N, 139.56°E
~13 m elevation · Asia/Tokyo
Distance to capital (Tokyo)
19 km
12 miles, straight line
Other big cities in Saitama
Cities near Niiza
- Miyoshidai38,434 people · ~2 km away
- Shiki76,445 people · ~3 km away
- Asaka141,083 people · ~4 km away
- Ōi50,593 people · ~5 km away
- Kiyose76,208 people · ~5 km away
- Ōizumi-gakuenchō34,557 people · ~7 km away
FAQ
What is the population of Niiza?
Niiza has a population of 166,017 (city proper, latest official figure via GeoNames), making it the #155 biggest city in Japan.
What region is Niiza in?
Niiza is located in Saitama, Japan.
Is Niiza the capital of Japan?
No, the capital of Japan is Tokyo, about 19 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.