Living in Seosan-si

In Seosan-si, tenants pay an average rent of €387 a month (2026) and unemployment is 0.5% (2025).

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.

Last checked 2026-10-0221 sources

Population171,136people30 Jun 2026Official source · MOIS resident registration population by si/gun/gu, June 2026

Average rent387.4EUR/month31 Aug 2026Official source · (월) 평균월세가격_아파트 (Korea Real Estate Board / R-ONE)

Unemployment rate0.5%country median 2.7% — 81% belowOfficial source · 2025 H2 Local Area Labour Force Survey — municipal key employment indicators

Recorded crime3,009incidents per 100,00031 Dec 2024Official source · KR-Police-regional-crime-2024

PM2.5, annual mean14µg/m³country median 16.0 — 12% belowOfficial source · 2024 Air Environment Annual Report — Appendix 1.3 city annual concentrations

Lower unemployment than 96% 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 Seosan-si?

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

Visa and entry rulesPassport-specific entry and national residence context.BenefitsCountry-wide eligibility and official application routes.Taxes in South KoreaNational rates and thresholds that apply in Seosan-si.Healthcare eligibilityCountry-wide insurance and residence conditions.

Housing and cost

No city-level rent figure is published for Seosan-si. The available city-level cost figures remain below.

What recurs every month2 published recurring costs, € per month

€ / month

Internet, 60 Mbps€32

Mobile plan, 10 GB€29

Metric	Value	Period	Source
Internet, 60 Mbps unlimited	31.8 EUR/month	30 Sept 2026	KT 100 Mbps internet¹¹Official · national market
Mobile plan, 10 GB	28.91 EUR/month	30 Sept 2026	KT mobile data plan¹²Official · national market
Dwellings	78,420 dwellings	31 Dec 2024	DT_1JU1501 2024 housing units by municipality⁴Official
Housing vacancy rate	12.14 %	31 Dec 2024	DT_1JU1512 2024 vacant housing units by municipality⁵Official
Average monthly rent (whole dwelling)	387.4 EUR/month	31 Aug 2026	(월) 평균월세가격_아파트 (Korea Real Estate Board / R-ONE)¹Official

Is Seosan-si 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 worker59%strong on work, weak on air quality · range 50–68%

Skilled employee75%strong on work, weak on safety · range 67–83%

Student49%strong on education, weak on work · range 41–57%

Family63%strong on family, weak on cost · range 55–71%

Retirement45%strong on safety, weak on admin · range 35–55%

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 indicators³

Unemployment across cities in South KoreaUnemployment in Seosan-si is 0.5%. Of 218 cities with data, 36 have unemployment of 0.5 to under 1%.

0–0.50.5–11–1.51.5–22–2.52.5–33–3.53.5–44–4.54.5–55–5.55.5–6

Seosan-si 0.5%

Unemployment rate (%)

Metric	Value	Period	Source
Unemployment rate	0.5 %country median 2.7%	31 Dec 2025	2025 H2 Local Area Labour Force Survey — municipal key employment indicators³Official

Public employment service

No exact public employment office is currently linked to Seosan-si. 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

Search jobs

Open the South Korea service overview

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

Family and education

Metric	Value	Period	Source
Schools	57 schools	21 Jul 2026	Schoolinfo official open-data callback response¹⁹Official

Healthcare

Metric	Value	Period	Source
Doctors per 1,000 residents	1.9 per 1,000	31 Dec 2024	KOSIS e-RegionIndex doctors per 1000⁸Official
Hospital beds per 100,000 residents	600 beds per 100,000	31 Dec 2024	KOSIS e-RegionIndex hospital beds per 100k⁹Official
Hospitals	5 count	30 Jun 2026	HIRA 전국 병의원 및 약국 현황 2026.6 — 시설정보⁶Official
Pharmacies	75 count	30 Jun 2026	HIRA 전국 병의원 및 약국 현황 2026.6 — 약국정보서비스⁶Official
Physicians per 100,000 residents	190 per 100,000	31 Dec 2024	KOSIS e-RegionIndex doctors per 1000⁸Official

Yes — migrants can receive medical care in Seosan-si 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.

Safety

How safe is 서산시?

Police recorded about 3,009 incidents per 100,000 (2024). This counts all offences, so it is not comparable with a violent-crime-only rate from another source. Source: KR-Police-regional-crime-2024¹⁰

Metric	Value	Period	Source
Recorded incidents per 100,000 residents	3,009 incidents per 100,000	31 Dec 2024	KR-Police-regional-crime-2024¹⁰Official
Violent crime per 100,000 residents	56.68 incidents per 100,000	31 Dec 2024	KR-Police-regional-crime-2024¹⁰Official

Language courses and integration

No exact city-level course record is currently published for Seosan-si. 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

Open official information

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

Open official information

Open the full South Korea section

National programme information is not treated as proof of a course location in Seosan-si.

Find courses near Seosan-si

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 concentrations²

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

0°

3°-6°

6°-5°

11°-1°

17°5°

22°11°

26°17°

28°22°

30°22°

26°16°

20°9°

13°2°

6°-4°

JFMAMJJASOND

Night-time low to daytime high

Rainfall through the yearAverage monthly precipitation, mm

101

138

275

284

144

JFMAMJJASOND

Sunshine through the yearAverage monthly sunshine, hours

157

174

208

220

239

195

147

183

191

208

156

148

JFMAMJJASOND

hours

Air quality vs health guidelinesAnnual means against WHO 2021 guidelines and EU legal limits

Within WHO 2021 guidelineAbove WHO, within EU limitAbove EU legal limitCity annual mean · µg/m³

PM2.514WHO 5 · EU 25

PM1030WHO 15 · EU 40

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 Seosan-si is 14.0 µg/m³. Of 235 cities with data, 47 have annual PM2.5 of 17 to under 18 µg/m³.

9–1010–1111–1212–1313–1414–1515–1616–1717–1818–1919–2020–2121–2222–23

Seosan-si 14.0

Annual PM2.5 (µg/m³)

Metric	Value	Period	Source
PM10 — annual mean	30 µg/m³country median 30.0 — about the same	31 Dec 2024	2024 Air Environment Annual Report — Appendix 1.3 city annual concentrations²Official
PM2.5 — annual mean	14 µg/m³country median 16.0	31 Dec 2024	2024 Air Environment Annual Report — Appendix 1.3 city annual concentrations²Official
Average daytime high by month	Jan 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 °C	1991–2020	WMO Climatological Normals 1991-2020 — station Seosan_47129.csv²¹Official · nearest-station reading
Average night-time low by month	Jan -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 °C	1991–2020	WMO Climatological Normals 1991-2020 — station Seosan_47129.csv²¹Official · nearest-station reading
Average temperature by month	Jan -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 °C	1991–2020	WMO Climatological Normals 1991-2020 — station Seosan_47129.csv²¹Official · nearest-station reading
Average precipitation by month	Jan 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 mm	1991–2020	WMO Climatological Normals 1991-2020 — station Seosan_47129.csv²¹Official · nearest-station reading
Average sunshine by month	Jan 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 hours	1991–2020	WMO Climatological Normals 1991-2020 — station Seosan_47129.csv²¹Official · nearest-station reading
Annual mean temperature	14.24 °C	31 Dec 2024	NASA POWER 2024 daily point climate observation for South Korea municipalities¹⁵Official source, approximated value · Supplemental context
Annual precipitation	1,514 mm	31 Dec 2024	NASA POWER 2024 daily point climate observation for South Korea municipalities¹⁵Official source, approximated value · Supplemental context

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 2026¹³

Who lives hereResidents by nationality, % of population

By nationality

National passport96.4%

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

Metric	Value	Period	Source
Cars per 1,000 residents	622.4 cars/1000 residents	31 Dec 2024	Registered motor vehicles by si, gun and gu¹⁸Official
City area	742.2 km²	2020	Official KOSIS visual statistics, Korea City Statistics, regional area; joined to the archived MOIS/KOSIS si-gun-gu code and name.¹⁶Official
Foreign-resident share	3.61 %	31 Dec 2025	Korea Immigration Service registered foreigners by si/gun/gu and nationality, 2025-12-31⁷Official
Foreign residents	6,200 people	31 Mar 2026	Registered foreigners by local government, March 2026¹⁷Official
Population density	235.1 people/km²	31 Dec 2024	Exact si-gun-gu density derived from archived official MOIS/KOSIS resident population and exact official KOSIS area row.¹⁶Official
Female residents	81,511 people	30 Jun 2026	MOIS resident-registration population, sex and household counts by administrative area, June 2026¹⁴Official
Male residents	89,625 people	30 Jun 2026	MOIS resident-registration population, sex and household counts by administrative area, June 2026¹⁴Official
Population	171,136 people	30 Jun 2026	MOIS resident registration population by si/gun/gu, June 2026¹³Official

International community in Seosan-si

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 group	People	Share
계	6,217	100.0%
베트남	1,145	18.4%
한국계중국인	1,076	17.3%
중국	705	11.3%
미얀마	414	6.7%
네팔	390	6.3%
인도네시아	272	4.4%
캄보디아	268	4.3%
우즈베키스탄	241	3.9%
방글라데시	219	3.5%

Show 50 more groups

Published group	People	Share
타이(태국)	210	3.4%
몽골	202	3.2%
필리핀	195	3.1%
러시아(연방)	179	2.9%
카자흐스탄	130	2.1%
스리랑카	90	1.4%
일본	81	1.3%
키르기즈	64	1.0%
미국	41	0.7%
한국계러시아인	41	0.7%
라오스	31	0.5%
타이완(대만)	28	0.5%
파키스탄	27	0.4%
남아프리카공화국	26	0.4%
말레이시아	25	0.4%
티모르민주공화국(동티모르)	16	0.3%
시리아	15	0.2%
인도	12	0.2%
캐나다	9	0.1%
이라크	9	0.1%
영국	8	0.1%
오스트레일리아	4	0.1%
튀르키예	4	0.1%
모로코	4	0.1%
예멘공화국	4	0.1%
우크라이나	2	0.0%
뉴질랜드	2	0.0%
멕시코	2	0.0%
우간다	2	0.0%
체코	2	0.0%
헝가리	2	0.0%
투르크메니스탄	2	0.0%
독일	1	0.0%
이집트	1	0.0%
나이지리아	1	0.0%
홍콩	1	0.0%
가나	1	0.0%
브라질	1	0.0%
스페인	1	0.0%
에티오피아	1	0.0%
리비아	1	0.0%
아프가니스탄	1	0.0%
타지키스탄	1	0.0%
오스트리아	1	0.0%
튀니지	1	0.0%
베네수엘라	1	0.0%
과테말라	1	0.0%
기니	1	0.0%
슬로바크	1	0.0%
팔레스타인	1	0.0%

Largest published groups; zero-count groups are omitted. Dimensions are source-native and are never merged. Official source²⁰

Additional context

Metric	Value	Period	Source
Households	84,250 households	30 Jun 2026	MOIS resident-registration population, sex and household counts by administrative area, June 2026¹⁴Official

Alternatives for people set on Seosan-si

Nothing here reaches an argued comparison yet: no other published city shares enough metrics with Seosan-si from the same source, period and grain. What is collected is below.

Alternative cities in South Korea

Other cities in South Korea to compare with Seosan-si, nearest in population first.

All South Korea cities

Dangjin-si172,400 residents Suyeong-gu168,440 residents Masanhoewon-gu174,175 residents Masanhappo-gu174,487 residents Gijang-gun175,262 residents Uiwang-si164,221 residents

How does Seosan-si compare?

Pick a city. The answer appears here and the address bar keeps it, so the comparison can be shared; the page stays Seosan-si's.

Open the full comparison

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?

How safe is 서산시?

Police recorded about 3,009 incidents per 100,000 (2024). This counts all offences, so it is not comparable with a violent-crime-only rate from another source. Source: KR-Police-regional-crime-2024.

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 Seosan-si?

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

Is Seosan-si a good place to live?

Seosan-si 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 계 citizenship group in Seosan-si?

The official citizenship distribution records 6,217 people (100.0%) 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, October 16). Seosan-si, South Korea: population, rent, cost of living [ImmigrationDB compilation; version b5ea59378caf6e273d52efe9ecae26f2]. ImmigrationDB. https://immigrationdb.com/cities/kr/seosansi/ Retrieved 2026-10-16. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/

BibTeX citation

@misc{immigrationdb_immigrationdb_seosan-si-south-korea-population-rent-cost-of-living_86399bc4f61c,
  author = {ImmigrationDB},
  title = {Seosan-si, South Korea: population, rent, cost of living},
  publisher = {ImmigrationDB},
  year = {2026},
  date = {2026-10-16},
  version = {b5ea59378caf6e273d52efe9ecae26f2},
  url = {https://immigrationdb.com/cities/kr/seosansi/},
  note = {Retrieved 2026-10-16. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}

Markdown citation

[Seosan-si, South Korea: population, rent, cost of living](https://immigrationdb.com/cities/kr/seosansi/) — ImmigrationDB; ImmigrationDB; version b5ea59378caf6e273d52efe9ecae26f2; retrieved 2026-10-16; built 2026-10-16.

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

(월) 평균월세가격_아파트 (Korea Real Estate Board / R-ONE) reb.or.kr · checked 2026-09-28
2024 Air Environment Annual Report — Appendix 1.3 city annual concentrations 2024 Air Environment Annual Report · airkorea.or.kr · checked 2026-07-22
2025 H2 Local Area Labour Force Survey — municipal key employment indicators 2025 H2 Local Area Labour Force Survey · korea.kr · checked 2026-07-22
DT_1JU1501 2024 housing units by municipality kosis.kr · checked 2026-07-22
DT_1JU1512 2024 vacant housing units by municipality kosis.kr · checked 2026-07-22
HIRA 전국 병의원 및 약국 현황 2026.6 — 시설정보 HIRA 전국 병의원 및 약국 현황 2026.6 · opendata.hira.or.kr · checked 2026-09-15
Korea Immigration Service registered foreigners by si/gun/gu and nationality, 2025-12-31 immigration.go.kr · checked 2026-07-22
KOSIS e-RegionIndex doctors per 1000 kosis.kr · checked 2026-07-21
KOSIS e-RegionIndex hospital beds per 100k kosis.kr · checked 2026-07-21
KR-Police-regional-crime-2024 data.go.kr · checked 2026-09-15

Show 11 more sources

KT 100 Mbps internet product.kt.com · checked 2026-09-15
KT mobile data plan product.kt.com · checked 2026-09-15
MOIS resident registration population by si/gun/gu, June 2026 jumin.mois.go.kr · checked 2026-07-21
MOIS resident-registration population, sex and household counts by administrative area, June 2026 jumin.mois.go.kr · checked 2026-07-22
NASA POWER 2024 daily point climate observation for South Korea municipalities power.larc.nasa.gov · checked 2026-07-22
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
Registered foreigners by local government, March 2026 immigration.go.kr · checked 2026-07-21
Registered motor vehicles by si, gun and gu stat.molit.go.kr · checked 2026-07-21
Schoolinfo official open-data callback response schoolinfo.go.kr · checked 2026-07-21
Statistics Korea / KOSIS citizenship distribution kosis.kr · checked 2026-08-28
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.