Nonsan: population and official figures
In depth
- Health in Nonsan: The Ministry of Health and Welfare estimates 3,545 people aged 65 or over in Nonsan had dementia in 2025, or 10.1% of the 35,158 people in that age group (above the national figure of 9.1%). The figure is an estimate that applies national age-and-sex rates from the 2023 dementia survey to the local population. Nonsan ranks 2nd highest estimated dementia rate of 36 South Korean cities covered on this site.
- Poverty and living standards in Nonsan: 9,675 people in Nonsan in 7,410 households were eligible for the basic livelihood security programme (customised benefits) in December 2025, or 91.6 for every 1,000 registered residents (South Korea: 55.4). Eligible means entitled to benefits, whether or not they were paid out. Nonsan ranks 4th highest share eligible of 36 South Korean cities covered on this site.
What is the population of Nonsan?
Nonsan had 105,661 registered residents on 30 September 2026, according to the Ministry of the Interior and Safety resident registration count across 15 neighbourhoods (eup, myeon and dong). Nonsan holds 0.21% of the 51.08 million people registered in South Korea. Nonsan ranks 5th smallest of 36 South Korean cities covered on this site.
Source: Ministry of the Interior and Safety (Republic of Korea) · saved copyWhat percentage of people in Nonsan are over 65?
34.8% of the registered residents of Nonsan were aged 65 or over on 30 September 2026 (South Korea: 22.1%), and 7.9% were under 15 (South Korea: 10.0%). Working-age people (15 to 64) made up 57.4%. Nonsan ranks 3rd oldest by share of residents aged 65+ of 36 South Korean cities covered on this site.
Source: Ministry of the Interior and Safety (Republic of Korea) · saved copyWhat is the average age in Nonsan?
The average age of registered residents of Nonsan was 52.2 years on 30 September 2026, above the national figure of 45.8 years. Nonsan ranks 3rd oldest of 36 South Korean cities covered on this site.
Source: Ministry of the Interior and Safety (Republic of Korea) · saved copyAre there more men or women in Nonsan?
Nonsan had 101 men for every 100 women among registered residents on 30 September 2026 (53,076 men and 52,585 women; South Korea: 99). Nonsan ranks 17th most male of 36 South Korean cities covered on this site.
Source: Ministry of the Interior and Safety (Republic of Korea) · saved copyHow many elderly people live in Nonsan?
36,736 registered residents of Nonsan were aged 65 or over on 30 September 2026, and 5,381 of them were aged 85 or over.
Source: Ministry of the Interior and Safety (Republic of Korea) · saved copyWho runs Nonsan?
In South Korea, cities and towns are run by upper-level local governments: Mayor or governor and council directly elected for four years; superintendent of education also directly elected. Regional planning, roads, transport, police support (autonomous police), education (via the education office).
How local power works in South Korea
Cities of a similar size in South Korea
- Gyeongsan 262,849
- Gunsan 255,575
- Gyeongju 242,405
- Geoje 228,629
- Icheon 227,007
- Seogwipo 178,294
- Dangjin 172,300
- Seosan 170,634
- Andong 151,366
- Gimcheon 132,274
- Tongyeong 115,838
- Sacheon 107,862
- Jeongeup 100,531
- Gongju 99,424
- Miryang 98,171
- Yeongju 96,133
Up a level: all cities in South Korea · South Korea · government and power
Sources
- Ministry of Health and Welfare (Republic of Korea): Dementia status by city, county and district, 2016-2025 (open file on the Public Data Portal), read 30 October 2026 · saved copy (SHA-256 85455041c38b…)
- Health Insurance Review and Assessment Service (HIRA): Diabetes treatment statistics by city, county and district, 2025 (open file on the Public Data Portal), read 30 October 2026 · saved copy (SHA-256 547bd6a4555a…)
- Health Insurance Review and Assessment Service (HIRA): Health-care institutions registered with the insurance service, as of 31 December 2025 (open file on the Public Data Portal), read 30 October 2026 · saved copy (SHA-256 bb10d7930007…)
- Ministry of the Interior and Safety (Republic of Korea): Ministry of the Interior and Safety: resident registration population by sex and age, by neighbourhood, 30 September 2026 (open file on the Public Data Portal), read 30 October 2026 · saved copy (SHA-256 23a269d2fd75…)
- Korea Road Traffic Authority: Road traffic accident statistics by city, county and district, 2025 (open file on the Public Data Portal), read 30 October 2026 · saved copy (SHA-256 077c48b46c23…)
- Korea Social Security Information Service: People eligible for welfare programmes by city, county and district, December 2025 (open file on the Public Data Portal), read 30 October 2026 · saved copy (SHA-256 157ececacb6e…)
Each saved copy is the file exactly as downloaded, kept so the figures can be checked even if the source changes. Report an error.