Sagamihara: population and official figures
In depth
- Economy, jobs and prices in Sagamihara: Taxable income for municipal resident tax in Sagamihara averaged 3.86 million yen per taxpayer in fiscal 2024, 86th highest of 262 cities and below 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 Sagamihara: Sagamihara had 32 general hospitals (hospitals other than psychiatric ones) in 2023, or 4.41 per 100,000 residents, 111th lowest of 262 cities, below the national figure (5.60).
- Education in Sagamihara: Sagamihara had 72 primary schools with 33,187 pupils and 2,112 full-time teachers in May 2024.
- Poverty and living standards in Sagamihara: 39.9% of private households in Sagamihara were one-person households at the 2020 census (132,680), 53rd highest of 262 cities, above the national figure (38.0%).
- Government budget and revenue in Sagamihara: The municipal government of Sagamihara took in 354.1 billion yen in fiscal 2022 (final accounts), 488,074 yen per resident, 100th highest of 262 cities.
What is the population of Sagamihara?
Sagamihara had 725,493 residents at the 1 October 2020 census (city proper). That is 19th highest of 262 cities. The count includes foreign residents.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow big is Sagamihara and how densely populated is it?
Sagamihara covers 328.91 square kilometres (2024), of which 140.97 is habitable land. That is 2,206 people per square kilometre of total area at the 2020 census, 99th highest of 262 for density.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyIs the population of Sagamihara growing or shrinking?
The basic resident register recorded 716,494 residents in Sagamihara in 2024, 1.2% fewer 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 Sagamihara?
11.4% of residents of Sagamihara were under 15 (82,532 children) and 60.1% 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 Sagamihara?
Sagamihara had 332,770 households at the 2020 census, of which 332,249 were private households; that is about 2.18 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 Sagamihara?
13,334 foreign nationals lived in Sagamihara at the 2020 census, 1.8% of residents, below the national figure (1.9%).
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyHow many babies are born in Sagamihara each year?
Sagamihara recorded 3,866 births and 7,914 deaths in 2023, a natural decrease of 4,048. That is 5.3 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 Sagamihara?
In 2024, 31,376 people moved into Sagamihara from other municipalities and 29,108 moved out, a net gain of 2,268 (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 Sagamihara each year?
Sagamihara registered 2,632 marriages and 1,065 divorces by Japanese nationals in 2023, or 3.6 marriages per 1,000 residents.
Source: Statistics Bureau of Japan, Ministry of Internal Affairs and Communications · saved copyNotes from the UN table: Excluding diplomatic personnel outside the country and foreign military and civilian personnel and their dependants stationed in the area. For the 2020 census, urban areas are “Densely Inhabited Districts”, defined as areas within a municipality that is composed of a group of contiguous Basic Unit Blocks, each of which has a population density of 4,000 inhabitants or more per square kilometer and whose total population exceeds 5,000 as of 1 October 2020. The detailed methodological explanation is available at https://www.stat.go.jp/english/data/chiri/did/1-1.html Excluding diplomatic personnel outside the country and foreign military and civilian personnel and their dependants stationed in the area. For the 2020 census, urban areas are “Densely Inhabited Districts”, defined as areas within a municipality that is composed of a group of contiguous Basic Unit Blocks, each of which has a population density of 4,000 inhabitants or more per square kilometer and whose total population exceeds 5,000 as of 1 October 2020. The detailed methodological explanation is available at https://www.stat.go.jp/english/data/chiri/did/1-1.html Excluding diplomatic personnel outside the country and foreign military and civilian personnel and their dependants stationed in the area. For the 2020 census, urban areas are “Densely Inhabited Districts”, defined as areas within a municipality that is composed of a group of contiguous Basic Unit Blocks, each of which has a population density of 4,000 inhabitants or more per square kilometer and whose total population exceeds 5,000 as of 1 October 2020. The detailed methodological explanation is available at https://www.stat.go.jp/english/data/chiri/did/1-1.html Land areas are based on the "Municipalities Area Statistics of Japan, 2015" published by the Geospatial Information Authority of Japan, Ministry of Land, Infrastructure, Transport and Tourism.
Who runs Sagamihara?
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
- Kawasaki 1,538,262
- Kobe 1,525,152
- Kyoto 1,463,723
- Saitama 1,324,025
- Hiroshima 1,200,754
- Sendai 1,096,704
- Chiba 974,951
- Kitakyushu 939,029
- Sakai 826,161
- Hamamatsu 790,718
- Niigata 789,275
- Kumamoto 738,865
- Okayama 724,691
- Shizuoka 693,389
- Funabashi 642,907
- Kawaguchi 594,274
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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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