Gumi National Industrial Complex, Gongdan-dong, Gumi-si
Total population402,596people
Households195,348households
Average age42.6yrs
Sex ratioMale208,387peopleFemale194,209people51.8%48.2%

Population change

Change over time

4-year trend

Unit: people

408,619 in 2022406,258 in 2023404,867 in 2024404,140 in 2025402,596 in 202620222023202420252026

408,619 in 2022402,596 in 2026

Down 1.5% over the past 4 years.

Migration

As of August 2026

Monthly Overview

Moved in3,007people
Moved out3,136people
Net migrationβˆ’129people

Net migration by month

Unit: people

βˆ’14βˆ’23βˆ’16βˆ’203βˆ’232βˆ’414βˆ’27βˆ’136βˆ’295βˆ’176βˆ’43βˆ’129SepOctNovDecJanFebMarAprMayJunJulAugβˆ’14 in Sep 2025βˆ’23 in Oct 2025βˆ’16 in Nov 2025βˆ’203 in Dec 2025βˆ’232 in Jan 2026βˆ’414 in Feb 2026βˆ’27 in Mar 2026βˆ’136 in Apr 2026βˆ’295 in May 2026βˆ’176 in Jun 2026βˆ’43 in Jul 2026βˆ’129 in Aug 2026

Net inflowNet outflow

Top origins

Unit: people

Top destinations

Unit: people

Outflows exceeded inflows in every one of the past 12 months, for a net loss of 1,708.

Want more detail on migration in Gumi-si?See more Gumi-si statistics on GData

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40sπŸ‘‘ 50s60s70s80s90s100+13,36123,32325,00331,36735,91735,56228,89411,4173,115423512,79021,37717,29725,58333,37836,17527,28012,5656,1791,54142

Male 208,387Female 194,209

Age structure

Unit: %

Youth 12.0%Working age 72.2%Seniors 15.7%12.0%72.2%15.7%

Youth 12.0%Working age 72.2%Seniors 15.7%

50s is the largest group, at 71,737 people.

Population ranking

Population by region

As of September 2026
  • YoungestGeoui-dong33.1 yrs
  • OldestSujeom-dong66.6 yrs
RegionShare
Goa-eup40,15310%44 yrs
Okgye-dong37,7999.4%36.6 yrs
Sandong-eup31,0107.7%33.4 yrs
Hyeonggok-dong26,6016.6%47 yrs
Doryang-dong25,7596.4%46.4 yrs
Bonggok-dong24,0096%40.5 yrs
Songjeong-dong22,8795.7%45.6 yrs
Gupyeong-dong19,8284.9%38.9 yrs
Inui-dong18,5274.6%40.1 yrs
Jinpyeong-dong14,8653.7%39.7 yrs

The top three areas hold 27.1% of the population of Gumi-si, Gyeongsangbuk-do.

Frequently asked questions❓

Gumi-si, Gyeongsangbuk-do has 402,596 residents as of September 2026., 1,544 fewer than a year earlier.
Goa-eup, home to 40,153 residents (10.0% of Gumi-si, Gyeongsangbuk-do).
It is 42.6 as of September 2026., 3.1 years below the national average of 45.7. Among its neighborhoods, Geoui-dong is youngest at 33.1 and Sujeom-dong oldest at 66.6.
It fell 1.5% over 4 years, from 408,619 in 2022 to 402,596 in September 2026.
As of August 2026, the most people moved in from Gimcheon-si (126) and the most moved out to Chilgok-gun (114). Outflows exceeded inflows in every one of the past 12 months, for a net loss of 1,708.
This is resident registration data from Korea's Ministry of the Interior and Safety. Figures are as of the end of September 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 🌐