Tachikawa: population and official figures
In depth
- Economy, jobs and prices in Tachikawa: Taxable income for municipal resident tax in Tachikawa averaged 4.28 million yen per taxpayer in fiscal 2024, 34th highest of 262 cities and above the national average of 3,933.7 thousand yen per taxpayer. It is income before deductions, so it is not take-home pay.
- Health in Tachikawa: Tachikawa had 8 general hospitals (hospitals other than psychiatric ones) in 2023, or 4.36 per 100,000 residents, 109th lowest of 262 cities, below the national figure (5.60).
- Education in Tachikawa: Tachikawa had 20 primary schools with 8,767 pupils and 535 full-time teachers in May 2024.
- Poverty and living standards in Tachikawa: 45.6% of private households in Tachikawa were one-person households at the 2020 census (40,896), 11th highest of 262 cities, above the national figure (38.0%).
- Government budget and revenue in Tachikawa: The municipal government of Tachikawa took in 99.8 billion yen in fiscal 2022 (final accounts), 543,749 yen per resident, 53rd highest of 262 cities.
What is the population of Tachikawa?
Tachikawa had 183,581 residents at the 1 October 2020 census (city proper). That is 130th highest of 262 cities. The count includes foreign residents.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow big is Tachikawa and how densely populated is it?
Tachikawa covers 24.36 square kilometres (2024), of which 24.33 is habitable land. That is 7,536 people per square kilometre of total area at the 2020 census, 35th highest of 262 for density.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyIs the population of Tachikawa growing or shrinking?
The basic resident register recorded 186,257 residents in Tachikawa in 2024, 1.5% more than the 2020 census count (all municipalities together: -1.4%). The register and the census are counted differently, so the change is indicative.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many children live in Tachikawa?
11.9% of residents of Tachikawa were under 15 (21,828 children) and 63.2% were aged 15 to 64 at the 2020 census; nationally the shares were 11.9% and 57.8%.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many households are there in Tachikawa?
Tachikawa had 89,727 households at the 2020 census, of which 89,599 were private households; that is about 2.05 residents per household (residents divided by all households).
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many foreigners live in Tachikawa?
4,221 foreign nationals lived in Tachikawa at the 2020 census, 2.3% of residents, above the national figure (1.9%).
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many babies are born in Tachikawa each year?
Tachikawa recorded 1,102 births and 1,997 deaths in 2023, a natural decrease of 895. That is 6.0 births and 10.9 deaths per 1,000 residents (national: 5.8 and 12.5). Births are by Japanese nationals registered in the city.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyAre more people moving into or out of Tachikawa?
In 2024, 10,916 people moved into Tachikawa from other municipalities and 9,746 moved out, a net gain of 1,170 (moves within the city and from abroad are not counted).
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many marriages are there in Tachikawa each year?
Tachikawa registered 831 marriages and 261 divorces by Japanese nationals in 2023, or 4.5 marriages per 1,000 residents.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyWho runs Tachikawa?
In Japan, cities and towns are run by municipalities: Mayor and municipal assembly both directly elected for four years. Primary and lower secondary schools, welfare, waste, water, residents' registers, disaster response. Large 'designated cities' (20) take on prefectural tasks and are divided into administrative wards whose heads are officials, not elected.
How local power works in Japan
Cities of a similar size in Japan
- Kumagaya 194,415
- Yamaguchi 193,966
- Kishiwada 190,658
- Hino 190,435
- Kofu 189,591
- Numazu 189,386
- Odawara 188,856
- Tottori 188,465
- Joetsu 188,047
- Anjo 187,990
- Toyokawa 184,661
- Izumi 184,495
- Uji 179,630
- Narashino 176,197
- Hitachi 174,508
- Izumo 172,775
Up a level: all cities in Japan · Japan · government and power
Sources
- Statistics Bureau of Japan, Ministry of Internal Affairs and Communications: Statistical Observations of Municipalities 2026 (social and demographic statistics, city, ward, town and village data), read 28 October 2026 · saved copy (SHA-256 2cb3d8c51aa1…)
- Statistics Bureau of Japan, Ministry of Internal Affairs and Communications: Statistical Observations of Prefectures 2026 (national figures, "All Japan" row), read 28 October 2026 · saved copy (SHA-256 b69774a5f40c…)
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