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Living in 서산시

서산시 is a city in South Korea. The city covered 742.2 km² in 2020. The housing-vacancy rate was 12.1% at the end of 2024. The unemployment rate was 0.5% at the end of 2025. The foreign population count was 6,200 in March 2026. In June 2026, 서산시 had a population of 171,136.

Lower unemployment than 94% of South Korean cities that publish it and cleaner air than 73% of South Korean cities that publish it.

Which South Korea-wide rules apply when you move to 서산시?

National rules stay on the country page instead of being relabelled as city data.

Housing and cost

No city-level rent or cost figure is published for 서산시 yet. We do not infer one from another place.

MetricValuePeriodSource
Dwellings78,420 dwellings31 Dec 2024DT_1JU1501 2024 housing units by municipality3Official
Housing Vacancy Rate Percent12.14 %31 Dec 2024DT_1JU1512 2024 vacant housing units by municipality4Official

Work and income

What is the unemployment rate in 서산시?

The unemployment rate is 0.5 % (2025). Source: 2025 H2 Local Area Labour Force Survey — municipal key employment indicators2

Unemployment across cities in South KoreaUnemployment in 서산시 is 0.5%. Of 218 cities with data, 34 have unemployment of 0.5 to under 1%.
unemployment rate, % · measured cities in South Korea per band13 cities: 0% to under 0.5%130–0.534 cities: 0.5% to under 1%340.5–1서산시 0.5%16 cities: 1% to under 1.5%161–1.520 cities: 1.5% to under 2%201.5–215 cities: 2% to under 2.5%152–2.527 cities: 2.5% to under 3%272.5–327 cities: 3% to under 3.5%273–3.532 cities: 3.5% to under 4%323.5–418 cities: 4% to under 4.5%184–4.511 cities: 4.5% to under 5%114.5–53 cities: 5% to under 5.5%35–5.52 cities: 5.5% to under 6%25.5–6

Unemployment rate (%)

MetricValuePeriodSource
Unemployment rate0.5 %country median 2.7%31 Dec 20252025 H2 Local Area Labour Force Survey — municipal key employment indicators2Official

Public employment service

No exact public employment office is currently linked to 서산시. The verified national service may still offer online registration, job search or an official office finder.

Country-level information

Work24 public employment service — Public employment service

Ministry of Employment and Labor, Republic of Korea

Job Search

Country-level service information is not treated as proof of a physical office in 서산시. Sources checked through 10 Aug 2026.

Family and education

MetricValuePeriodSource
School Count57 schools21 Jul 2026Schoolinfo official open-data callback response14Official

Healthcare

MetricValuePeriodSource
Doctors per 1,000 residents1.9 per 1,00031 Dec 2024KOSIS e-RegionIndex doctors_per_10006Official
Hospital Beds Per 100k600 beds per 100,00031 Dec 2024KOSIS e-RegionIndex hospital_beds_per_100k7Official

Yes — migrants can receive medical care in 서산시 under the national coverage rules.

Healthcare access follows the country-wide insurance rules; local capacity facts remain city data and are not used as proof of eligibility.

Open the official coverage guide
Doctors per 1,000 residents1.9 per 1,000Verified 2026-07-21
Country rule verified 2026-08-03.

Language courses and integration

No exact city-level course record is currently published for 서산시. These verified national programmes may still apply; use the official programme page to check local availability.

Country-level information

Early Adaptation Program — Newcomer Adaptation

Ministry of Justice / Korea Immigration Service

For newly arrived foreign residents, international students, workers, marriage migrants.

KoreanIn Person

Social Integration Program (KIIP) — Integration course

Ministry of Justice / Korea Immigration Service

For foreign residents in Korea, people within three years of naturalization.

KoreanIn Person, Online
National programme information is not treated as proof of a course location in 서산시.

Climate and air quality

The annual mean temperature estimate was 14.2°C at the end of 2024. The annual precipitation estimate was 1,514.1 mm at the end of 2024. Annual PM2.5 was 14 µg/m³ at the end of 2024.

Is the air quality good in 서산시?

The annual PM2.5 mean is 14 µg/m³ (2024) — above the WHO 2021 guideline of 5 µg/m³ but within the EU limit of 25 µg/m³. Source: 2024 Air Environment Annual Report — Appendix 1.3 city annual concentrations1

Annual mean at the measuring site(s) serving the city; current-day readings differ.

Temperature through the yearAverage daytime high and night-time low, °C
서산시 average monthly daytime high and night-time low temperature, °C-10°10°20°30°JFMAMJJASOND30°-6°Daytime highNight-time low
Rainfall through the yearAverage monthly precipitation, mm
서산시 average monthly precipitation, mm07515022530024314275101138275284144535434JFMAMJJASONDmm
Sunshine through the yearAverage monthly sunshine, hours
서산시 average monthly sunshine, hours060120180240157174208220239195147183191208156148JFMAMJJASONDhours
Air quality vs health guidelinesAnnual means against WHO 2021 guidelines and EU legal limits
서산시 annual air pollutant levels against WHO 2021 guidelines and EU legal limitsCity valueWHO guidelineEU limit52514.0PM2.5154030.0PM10µg/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 KoreaAnnual PM2.5 in 서산시 is 14.0 µg/m³. Of 234 cities with data, 46 have annual PM2.5 of 17 to under 18 µg/m³.
annual PM2.5, µg/m³ · measured cities in South Korea per band3 cities: 9 µg/m³ to under 10 µg/m³39–105 cities: 10 µg/m³ to under 11 µg/m³510–116 cities: 11 µg/m³ to under 12 µg/m³611–1217 cities: 12 µg/m³ to under 13 µg/m³1712–1332 cities: 13 µg/m³ to under 14 µg/m³3213–1425 cities: 14 µg/m³ to under 15 µg/m³2514–15서산시 14.027 cities: 15 µg/m³ to under 16 µg/m³2715–1624 cities: 16 µg/m³ to under 17 µg/m³2416–1746 cities: 17 µg/m³ to under 18 µg/m³4617–1828 cities: 18 µg/m³ to under 19 µg/m³2818–199 cities: 19 µg/m³ to under 20 µg/m³919–207 cities: 20 µg/m³ to under 21 µg/m³720–214 cities: 21 µg/m³ to under 22 µg/m³421–221 city: 22 µg/m³ to under 23 µg/m³122–23

Annual PM2.5 (µg/m³)

MetricValuePeriodSource
PM10 — annual mean30 µg/m³country median 30.0 — about the same31 Dec 20242024 Air Environment Annual Report — Appendix 1.3 city annual concentrations1Official
PM2.5 — annual mean14 µg/m³country median 16.031 Dec 20242024 Air Environment Annual Report — Appendix 1.3 city annual concentrations1Official
Average daytime high by monthJan 3.3 · Feb 5.6 · Mar 10.8 · Apr 17.3 · May 22.5 · Jun 26.4 · Jul 28.5 · Aug 29.7 · Sep 26.1 · Oct 20.5 · Nov 13 · Dec 5.7 °C1991–2020WMO Climatological Normals 1991-2020 — station Seosan_47129.csv16Official · nearest-station reading
Average night-time low by monthJan -6.2 · Feb -4.9 · Mar -0.7 · Apr 5 · May 11.4 · Jun 17 · Jul 21.5 · Aug 21.7 · Sep 16.1 · Oct 8.6 · Nov 2.2 · Dec -3.7 °C1991–2020WMO Climatological Normals 1991-2020 — station Seosan_47129.csv16Official · nearest-station reading
Average temperature by monthJan -1.6 · Feb 0.1 · Mar 4.8 · Apr 10.9 · May 16.6 · Jun 21.3 · Jul 24.5 · Aug 25.3 · Sep 20.6 · Oct 14.1 · Nov 7.3 · Dec 0.8 °C1991–2020WMO Climatological Normals 1991-2020 — station Seosan_47129.csv16Official · nearest-station reading
Average precipitation by monthJan 23.5 · Feb 31.1 · Mar 41.5 · Apr 74.7 · May 101.1 · Jun 138.2 · Jul 274.6 · Aug 283.5 · Sep 144.4 · Oct 53 · Nov 54.1 · Dec 34.2 mm1991–2020WMO Climatological Normals 1991-2020 — station Seosan_47129.csv16Official · nearest-station reading
Average sunshine by monthJan 157.2 · Feb 173.5 · Mar 208.1 · Apr 219.5 · May 238.8 · Jun 195.4 · Jul 146.7 · Aug 183.1 · Sep 190.8 · Oct 208.1 · Nov 155.7 · Dec 147.9 hours1991–2020WMO Climatological Normals 1991-2020 — station Seosan_47129.csv16Official · nearest-station reading
Annual mean temperature14.24 °C31 Dec 2024NASA POWER 2024 daily point climate observation for South Korea municipalities10Official source, approximated value · Supplemental context
Precipitation Annual Mm1,514 mm31 Dec 2024NASA POWER 2024 daily point climate observation for South Korea municipalities10Official source, approximated value · Supplemental context

Cities of a similar size in South Korea

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

All South Korea cities

Population and city profile

How many people live in 서산시?

The published population was 171,136 people in June 2026. Source: MOIS resident registration population by si/gun/gu, June 20268

Who lives hereResidents by nationality, % of population
서산시 residents by nationalityBy nationalityNational passport96.4%Foreign residents 3.6%

Calculated from the population and foreign-resident facts on this page.

MetricValuePeriodSource
Cars per 1,000 residents622.4 cars/1000 residents31 Dec 2024Registered motor vehicles by si, gun and gu13Official
City area742.2 km²2020Official KOSIS visual statistics, Korea City Statistics, regional area; joined to the archived MOIS/KOSIS si-gun-gu code and name.11Official
Foreign-resident share3.61 %31 Dec 2025Korea Immigration Service registered foreigners by si/gun/gu and nationality, 2025-12-315Official
Foreign residents6,200 people31 Mar 2026Registered foreigners by local government, March 202612Official
Population density235.1 people/km²31 Dec 2024Exact si-gun-gu density derived from archived official MOIS/KOSIS resident population and exact official KOSIS area row.11Official
Population Female81,511 people30 Jun 2026MOIS resident-registration population, sex and household counts by administrative area, June 20269Official
Population Male89,625 people30 Jun 2026MOIS resident-registration population, sex and household counts by administrative area, June 20269Official
Population171,136 people30 Jun 2026MOIS resident registration population by si/gun/gu, June 20268Official

International community in 서산시

Named groups from exact city-grain official distributions. Citizenship, birthplace, language and ancestry answer different questions and stay separate.

Citizenship

Persons recorded in the official KOSIS registered-foreigner population table; this is not the total resident population and is not interchangeable with resident citizenship. · 2025

Published groupPeopleShare
6,217100.0%
베트남1,14518.4%
한국계중국인1,07617.3%
중국70511.3%
미얀마4146.7%
네팔3906.3%
인도네시아2724.4%
캄보디아2684.3%
우즈베키스탄2413.9%
방글라데시2193.5%
Show 50 more groups
Published groupPeopleShare
타이(태국)2103.4%
몽골2023.2%
필리핀1953.1%
러시아(연방)1792.9%
카자흐스탄1302.1%
스리랑카901.4%
일본811.3%
키르기즈641.0%
미국410.7%
한국계러시아인410.7%
라오스310.5%
타이완(대만)280.5%
파키스탄270.4%
남아프리카공화국260.4%
말레이시아250.4%
티모르민주공화국(동티모르)160.3%
시리아150.2%
인도120.2%
캐나다90.1%
이라크90.1%
영국80.1%
오스트레일리아40.1%
튀르키예40.1%
모로코40.1%
예멘공화국40.1%
우크라이나20.0%
뉴질랜드20.0%
멕시코20.0%
우간다20.0%
체코20.0%
헝가리20.0%
투르크메니스탄20.0%
독일10.0%
이집트10.0%
나이지리아10.0%
홍콩10.0%
가나10.0%
브라질10.0%
스페인10.0%
에티오피아10.0%
리비아10.0%
아프가니스탄10.0%
타지키스탄10.0%
오스트리아10.0%
튀니지10.0%
베네수엘라10.0%
과테말라10.0%
기니10.0%
슬로바크10.0%
팔레스타인10.0%

Largest published groups; zero-count groups are omitted. Dimensions are source-native and are never merged. Official source15

Is 서산시 a good place to live?

There is no universal answer. The profile scores below show who the available published evidence may suit; they are a decision aid, not a personal recommendation.

Try your profile
Remote worker57%strong on work, weak on safety · range 47–67%
Skilled employee64%strong on work, weak on safety · range 55–73%
Student55%strong on education, weak on safety · range 46–64%
Family62%strong on family, weak on safety · range 52–72%
Retirement42%strong on legal route, weak on admin · range 31–53%
Foreign residents6,200 people31 Mar 2026Official source · Registered foreigners by local government, March 2026
Population171,136 people30 Jun 2026Official source · MOIS resident registration population by si/gun/gu, June 2026
Dwellings78,420 dwellings31 Dec 2024Official source · DT_1JU1501 2024 housing units by municipality
Unemployment rate0.5 %31 Dec 2025Official source · 2025 H2 Local Area Labour Force Survey — municipal key employment indicators
PM10 — annual mean30 µg/m³31 Dec 2024Official source · 2024 Air Environment Annual Report — Appendix 1.3 city annual concentrations
PM2.5 — annual mean14 µg/m³31 Dec 2024Official source · 2024 Air Environment Annual Report — Appendix 1.3 city annual concentrations
Every value keeps its source, geographic scope and verification date · Last checked 2026-07-31

Additional context

MetricValuePeriodSource
Households84,250 households30 Jun 2026MOIS resident-registration population, sex and household counts by administrative area, June 20269Official

Common questions

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

How many people live in 서산시?

The published population was 171,136 people in June 2026. Source: MOIS resident registration population by si/gun/gu, June 2026.

Is the air quality good in 서산시?

The annual PM2.5 mean is 14 µg/m³ (2024) — above the WHO 2021 guideline of 5 µg/m³ but within the EU limit of 25 µg/m³. Source: 2024 Air Environment Annual Report — Appendix 1.3 city annual concentrations.

What is the unemployment rate in 서산시?

The unemployment rate is 0.5 % (2025). Source: 2025 H2 Local Area Labour Force Survey — municipal key employment indicators.

How many foreign residents live in 서산시?

6,200 people residents hold a foreign nationality. Source: Registered foreigners by local government, March 2026.

Is 서산시 a good place to live?

서산시 may suit different people for different reasons. The page's profile scores compare published cost, work, housing, safety, healthcare and other available factors; they are a decision aid, not a universal recommendation.

How many people are in the 지부티 citizenship group in 서산시?

The official citizenship distribution records 0 people (0.0%) in the source-defined population for 2025. This is a citizenship measure, not a general estimate of ethnicity or migration status.

Cite this page

Open a format to select or copy this ImmigrationDB compilation citation. The native disclosure and text fallback work without JavaScript.

APA citation
ImmigrationDB. (2026, September 12). 서산시, South Korea: jobs, air quality, climate [ImmigrationDB compilation; snapshot approved-static-d7ed373c115d60d0; version approved-static-d7ed373c115d60d0]. ImmigrationDB. https://immigrationdb.com/cities/kr/seosansi/ Retrieved 2026-09-12. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/
BibTeX citation
@misc{immigrationdb_immigrationdb_south-korea-jobs-air-quality-climate_b30aeb4843c3,
  author = {ImmigrationDB},
  title = {서산시, South Korea: jobs, air quality, climate},
  publisher = {ImmigrationDB},
  year = {2026},
  date = {2026-09-12},
  version = {approved-static-d7ed373c115d60d0},
  snapshot = {approved-static-d7ed373c115d60d0},
  url = {https://immigrationdb.com/cities/kr/seosansi/},
  note = {Retrieved 2026-09-12. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}
Markdown citation
[서산시, South Korea: jobs, air quality, climate](https://immigrationdb.com/cities/kr/seosansi/) — ImmigrationDB; ImmigrationDB; snapshot approved-static-d7ed373c115d60d0; version approved-static-d7ed373c115d60d0; retrieved 2026-09-12; built 2026-09-12.

This citation identifies the ImmigrationDB compilation/page. Underlying source publishers and datasets retain their own terms; inspect the Sources section and cite those records separately. View the underlying source records.

Sources

JSON Markdown
  1. 2024 Air Environment Annual Report — Appendix 1.3 city annual concentrations 2024 Air Environment Annual Report · airkorea.or.kr · checked 2026-07-22
  2. 2025 H2 Local Area Labour Force Survey — municipal key employment indicators 2025 H2 Local Area Labour Force Survey · korea.kr · checked 2026-07-22
  3. DT_1JU1501 2024 housing units by municipality kosis.kr · checked 2026-07-22
  4. DT_1JU1512 2024 vacant housing units by municipality kosis.kr · checked 2026-07-22
  5. Korea Immigration Service registered foreigners by si/gun/gu and nationality, 2025-12-31 immigration.go.kr · checked 2026-07-22
  6. KOSIS e-RegionIndex doctors_per_1000 kosis.kr · checked 2026-07-21
  7. KOSIS e-RegionIndex hospital_beds_per_100k kosis.kr · checked 2026-07-21
  8. MOIS resident registration population by si/gun/gu, June 2026 jumin.mois.go.kr · checked 2026-07-21
  9. MOIS resident-registration population, sex and household counts by administrative area, June 2026 jumin.mois.go.kr · checked 2026-07-22
  10. NASA POWER 2024 daily point climate observation for South Korea municipalities power.larc.nasa.gov · checked 2026-07-22
Show 6 more sources
  1. Official KOSIS visual statistics, Korea City Statistics, regional area; joined to the archived MOIS/KOSIS si-gun-gu code and name. kosis.kr · checked 2026-07-15
  2. Registered foreigners by local government, March 2026 immigration.go.kr · checked 2026-07-21
  3. Registered motor vehicles by si, gun and gu stat.molit.go.kr · checked 2026-07-21
  4. Schoolinfo official open-data callback response schoolinfo.go.kr · checked 2026-07-21
  5. Statistics Korea / KOSIS citizenship distribution kosis.kr · checked 2026-08-28
  6. WMO Climatological Normals 1991-2020 — station Seosan_47129.csv WMO Climatological Normals 1991-2020 · ncei.noaa.gov · checked 2026-07-31

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.