Seongnam-si, Gyeonggi-do

Seongnam-si, Gyeonggi-do: population by 5-year age group and year-on-year change, by district — Sep 2026

Seongnam-si, Gyeonggi-do: population by 5-year age group and sex, by district — Sep 2026

Seongnam-si, Gyeonggi-do: population by single year of age and one-person household share — Sep 2026

Seongnam-si, Gyeonggi-do: population change by age, 2021.01–2026.09 (last 5 years)