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Population of Seongju-gun, Gyeongsangbuk

Resident registration data, June 2026 (MOIS)

Total population40,461people
Average age57yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s50s👑 60s70s80s90s100+5891,0131,0921,6012,2213,7975,8513,6421,25314716249397451,1251,5562,8794,8703,7242,1746099

Male 21,207Female 19,254

Age structure

Unit: %

Youth 5.4%Working age 52.8%Seniors 41.8%52.8%41.8%

Youth 5.4%Working age 52.8%Seniors 41.8%

60s is the largest group, at 10,721 people.

Population change

Change over time

4-year trend

Unit: people

42,861 in 202242,469 in 202341,818 in 202441,029 in 202540,461 in 202620222023202420252026

42,861 in 202240,461 in 2026

Down 5.6% over the past 4 years.

Population ranking

Seongju-eup has the largest population of the 10 neighborhoods.

Population by region

10
  • YoungestSeongju-eup49.3 yrs
  • OldestGeumsugangsan-myeon63.5 yrs

There is a 14.2-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Seongju-eup13,03032.2%49.3 yrs
Seonnam-myeon5,72514.1%59 yrs
Chojeon-myeon4,0189.9%59.5 yrs
Yongam-myeon3,4538.5%61.1 yrs
Suryun-myeon3,1167.7%61.9 yrs
Wolhang-myeon3,0867.6%59.9 yrs
Byeokjin-myeon2,7556.8%61.9 yrs
Daega-myeon2,2515.6%61.5 yrs
Gacheon-myeon1,8674.6%62.9 yrs
Geumsugangsan-myeon1,1602.9%63.5 yrs

The top three areas hold 56.3% of the population of Seongju-gun, Gyeongsangbuk.

Other regions

Other districts in Gyeongsangbuk

16

Frequently asked questions❓

Seongju-gun, Gyeongsangbuk has 40,461 residents as of June 2026., 568 fewer than a year earlier.
Seongju-eup, home to 13,030 residents — 32.2% of Seongju-gun, Gyeongsangbuk.
It is 57 as of June 2026., 11.4 years above the national average of 45.6. Among its neighborhoods, Seongju-eup is youngest at 49.3 and Geumsugangsan-myeon oldest at 63.5.
It fell 5.6% over 4 years, from 42,861 in 2022 to 40,461 in June 2026.
This is resident registration data from Korea's Ministry of the Interior and Safety. Figures are as of the end of June 2026 and are updated monthly. The data is open under KOGL Type 1.
Resident registration counts people at their registered address. The census counts them where they actually live. The gap is widest in university towns and industrial areas, where many people never change their registered address.

Sources 🌐