gangseogu

gangseogu is a city in South Korea. There were 3.5 doctors per 1,000 people in 2024. The unemployment rate was 3.5% at the end of 2025. The foreign population count was 6,711 in March 2026. In June 2026, gangseogu had a population of 548,515. The city covered 41.4 km² in 2020. Population density was 13,421.1 people per km² in 2024.

JSON Markdown

Higher unemployment than 73% of South Korean cities that publish it and dirtier air than 72% of South Korean cities that publish it.

Foreign residents6,711 peoplecity · Verified 2026-07-22Official source · Registered foreigners by local government, March 2026
Population556,171 peoplemunicipality · Verified 2026-07-14Official source · South Korea KOSIS si-gun-gu official denominator
Dwellings204,363 dwellingscity · Verified 2026-07-22Official source · DT_1JU1501 2024 housing units by municipality
Housing Vacancy Rate Percent5.1262 %city · Verified 2026-07-22Official source · DT_1JU1512 2024 vacant housing units by municipality
Unemployment rate3.5 %city · Verified 2026-07-26Official source · KOSIS Local Area Labour Force Survey — si/gun/gu unemployment rate
PM2.5 — annual mean17.075 µg/m³city · Verified 2026-07-26Official source · Air Pollution Level Confirmation Data — 2024 PM2.5 station observations
Every value keeps its source, geographic scope and verification date · Last checked 2026-07-26

Who gangseogu may suit

Relative profile scores use comparable published values. They are a decision aid, not a personal recommendation.

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Remote worker59%strong on work, weak on air quality · range 45–73% from published values
Skilled employee66%strong on work, weak on safety · range 52–80% from published values
Student69%strong on education, weak on work · range 55–83% from published values
Family65%strong on family, weak on cost · range 51–79% from published values
Retirement56%strong on healthcare, weak on admin · range 42–70% from published values

Population and city profile

Who lives hereResidents by nationality, % of population
gangseogu residents by nationalityBy nationalityNational passport98.8%Foreign residents 1.2%

Derived from the published population and foreign-resident counts.

MetricValueVerifiedSource
City area41.44 km22026-07-152020Official sourceOfficial KOSIS visual statistics, Korea City Statistics, regional area; joined to the archived MOIS/KOSIS si-gun-gu code and name. Source-backed value
Foreign-resident share1.2114 %2026-07-22AgingOfficial sourceKorea Immigration Service registered foreigners by si/gun/gu and nationality, 2025-12-31 Source-backed value
Foreign residents6,711 people2026-07-22FreshOfficial sourceRegistered foreigners by local government, March 2026 Source-backed value
Population density13,421.1149 people/km²2026-07-152024Official sourceExact si-gun-gu density derived from archived official MOIS/KOSIS resident population and exact official KOSIS area row. Source-backed value
Population Female286,786 people2026-07-22FreshOfficial sourceMOIS resident-registration population, sex and household counts by administrative area, June 2026 Source-backed value
Population Male261,729 people2026-07-22FreshOfficial sourceMOIS resident-registration population, sex and household counts by administrative area, June 2026 Source-backed value
Population556,171 people2026-07-142024Official sourceSouth Korea KOSIS si-gun-gu official denominator Source-backed value

Housing

The housing-vacancy rate was 5.13% at the end of 2024.

MetricValueVerifiedSource
Dwellings204,363 dwellings2026-07-222024Official sourceDT_1JU1501 2024 housing units by municipality Source-backed value
Housing Vacancy Rate Percent5.1262 %2026-07-222024Official sourceDT_1JU1512 2024 vacant housing units by municipality Source-backed value

Work and income

Unemployment across cities in South KoreaWhere gangseogu lands among 196 measured cities
unemployment rate, % · measured cities in South Korea per band130–0.5340.5–1161–1.5201.5–2152–2.5242.5–3213–3.5213.5–4gangseogu 3.5%184–4.594.5–535–5.525.5–6unemployment rate, % · measured cities in South Korea per band

Published unemployment rates for cities in the same country.

MetricValueVerifiedSource
Unemployment rate3.5 %country median 2.5% — 43% above2026-07-26AgingOfficial sourceKOSIS Local Area Labour Force Survey — si/gun/gu unemployment rate Source-backed value

Climate and air quality

Annual PM2.5 was 17.1 µg/m³ at the end of 2024.

Air quality vs health guidelinesAnnual means against WHO 2021 guidelines and EU legal limits
gangseogu annual air pollutant levels against WHO 2021 guidelines and EU legal limitsCity valueWHO guidelineEU limit52517.1PM2.5µg/m³

City values from the published air-quality observations. WHO 2021 guidelines and EU limit values are published constants.

PM2.5 across cities in South KoreaWhere gangseogu lands among 222 measured cities
annual PM2.5, µg/m³ · measured cities in South Korea per band39–10710–111111–122512–132913–142714–152315–161816–173917–18gangseogu 17.12418–19619–20520–21421–22125–26annual PM2.5, µg/m³ · measured cities in South Korea per band

Published annual means from the same national measurement network.

MetricValueVerifiedSource
PM2.5 — annual mean17.075 µg/m³country median 15.0 — 14% above2026-07-262024Official sourceAir Pollution Level Confirmation Data — 2024 PM2.5 station observations Source-backed value

Healthcare

MetricValueVerifiedSource
Doctors per 1,000 residents3.5 per 10002026-07-212024Official sourceKOSIS e-RegionIndex doctors_per_1000 Source-backed value
Hospital Beds Per 100k940 beds_per_100k2026-07-212024Official sourceKOSIS e-RegionIndex hospital_beds_per_100k Source-backed value

Family and education

MetricValueVerifiedSource
School Count84 schools2026-07-21FreshOfficial sourceSchoolinfo official open-data callback response Source-backed value

Additional context

MetricValueVerifiedSource
Households274,577 households2026-07-22FreshOfficial sourceMOIS resident-registration population, sex and household counts by administrative area, June 2026 Source-backed value

Worked out from these numbers

Arithmetic on the published values above. Each one names what it assumed.

How international is the population?

1.2% of residents hold a foreign nationality — 6,711 people of 556,171 people. This counts nationality, not place of birth, so long-settled residents who naturalised are not in it.

Common questions

Answered from the published values on this page, each with its source and date.

What is the unemployment rate in gangseogu?

The unemployment rate is 3.5 %. Source: KOSIS Local Area Labour Force Survey — si/gun/gu unemployment rate, checked 2026-07-26.

Is the air quality good in gangseogu?

The annual PM2.5 mean is 17.075 µg/m³. The WHO 2021 guideline is 5 µg/m³ and the EU limit value is 25 µg/m³, so this reading is above the WHO guideline but within the EU limit. Source: Air Pollution Level Confirmation Data — 2024 PM2.5 station observations, checked 2026-07-26.

How many people live in gangseogu?

The published population is 556,171 people. Source: South Korea KOSIS si-gun-gu official denominator, checked 2026-07-14.

How many foreign residents live in gangseogu?

6,711 people residents hold a foreign nationality. Source: Registered foreigners by local government, March 2026, checked 2026-07-22.

Cities of a similar size in South Korea

Closest published populations, for a like-for-like comparison.

All South Korea cities

Sources

Spotted a number that looks wrong? Every value here carries its source and date — tell us what you found and we will re-check it against the source.