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Living in 오산시

The population of 오산시, in South Korea, was 253,590 in June 2026. The city covered 42.7 km² in 2020. Population density was 5,667.6 people per km² in 2024. The unemployment rate was 4.4% at the end of 2025. At the end of 2024, the annual mean temperature estimate was 13.8°C.

Higher unemployment than 91% of South Korean cities that publish it and dirtier air than 78% of South Korean cities that publish it.

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

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 오산시.Healthcare eligibilityCountry-wide insurance and residence conditions.

Housing and cost

The housing-vacancy rate was 7.25% at the end of 2024.

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

MetricValuePeriodSource
Dwellings94,274 dwellings31 Dec 2024DT_1JU1501 2024 housing units by municipality8Official
Housing Vacancy Rate Percent7.25 %31 Dec 2024DT_1JU1512 2024 vacant housing units by municipality9Official

Work and income

What is the unemployment rate in 오산시?

The unemployment rate is 4.4 % (2025). Source: 2025 H2 Local Area Labour Force Survey — municipal key employment indicators2

Unemployment across cities in South KoreaUnemployment in 오산시 is 4.4%. 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%340.5–116 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%184–4.5오산시 4.4%11 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 rate4.4 %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 오산시. 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 오산시. Sources checked through 10 Aug 2026.

Family and education

MetricValuePeriodSource
School Count47 schools21 Jul 2026Schoolinfo official open-data callback response19Official

Healthcare

MetricValuePeriodSource
Doctors per 1,000 residents2 per 1,00031 Dec 2024KOSIS e-RegionIndex doctors_per_100011Official
Hospital Beds Per 100k1,130 beds per 100,00031 Dec 2024KOSIS e-RegionIndex hospital_beds_per_100k12Official

Yes — migrants can receive medical care in 오산시 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 residents2 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 오산시. 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 오산시.

Climate and air quality

The annual precipitation estimate was 1,541.5 mm at the end of 2024. Annual PM2.5 was 17.9 µg/m³ at the end of 2024.

Is the air quality good in 오산시?

The annual PM2.5 mean is about 17.9 µg/m³ (2024) — above the WHO 2021 guideline of 5 µg/m³ but within the EU limit of 25 µg/m³.

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

  • PM2.5 — annual mean: 17.94 µg/m³ · Air Pollution Level Confirmation Data — 2024 PM2.5 station observations3
Temperature through the yearAverage daytime high and night-time low, °C
오산시 average monthly daytime high and night-time low temperature, °C-10°0°10°20°30°40°JFMAMJJASOND30°-7°Daytime highNight-time low
Rainfall through the yearAverage monthly precipitation, mm
오산시 average monthly precipitation, mm01002003004001828417295123385296134544926JFMAMJJASONDmm
Sunshine through the yearAverage monthly sunshine, hours
오산시 average monthly sunshine, hours060120180240174179206215230195138169185209163166JFMAMJJASONDhours
Air quality vs health guidelinesAnnual means against WHO 2021 guidelines and EU legal limits
오산시 annual air pollutant levels against WHO 2021 guidelines and EU legal limitsCity valueWHO guidelineEU limit52517.9PM2.5154032.0PM10µg/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 오산시 is 17.9 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/m³2514–1527 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/m³4617–18오산시 17.928 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 mean32 µg/m³country median 30.031 Dec 20242024 Air Environment Annual Report — Appendix 1.3 city annual concentrations1Official
PM2.5 — annual mean17.94 µg/m³country median 16.031 Dec 2024Air Pollution Level Confirmation Data — 2024 PM2.5 station observations3Official
Average daytime high by monthJan 2.8 · Feb 5.6 · Mar 11.3 · Apr 18.2 · May 23.6 · Jun 27.5 · Jul 29.3 · Aug 30.3 · Sep 26.4 · Oct 20.4 · Nov 12.5 · Dec 4.9 °C1991–2020WMO Climatological Normals 1991-2020 — station Suwon_47119.csv21Official · nearest-station reading
Average night-time low by monthJan -6.6 · Feb -4.5 · Mar 0.6 · Apr 6.4 · May 12.3 · Jun 17.9 · Jul 22.1 · Aug 22.7 · Sep 17.1 · Oct 9.4 · Nov 2.4 · Dec -4.2 °C1991–2020WMO Climatological Normals 1991-2020 — station Suwon_47119.csv21Official · nearest-station reading
Average temperature by monthJan -2.1 · Feb 0.3 · Mar 5.6 · Apr 12 · May 17.6 · Jun 22.2 · Jul 25.3 · Aug 26 · Sep 21.4 · Oct 14.5 · Nov 7.2 · Dec 0.1 °C1991–2020WMO Climatological Normals 1991-2020 — station Suwon_47119.csv21Official · nearest-station reading
Average precipitation by monthJan 18.1 · Feb 28.3 · Mar 40.7 · Apr 71.6 · May 95 · Jun 122.9 · Jul 385.1 · Aug 296.3 · Sep 133.5 · Oct 54.1 · Nov 48.9 · Dec 25.8 mm1991–2020WMO Climatological Normals 1991-2020 — station Suwon_47119.csv21Official · nearest-station reading
Average sunshine by monthJan 174.3 · Feb 178.7 · Mar 205.7 · Apr 214.5 · May 229.7 · Jun 195 · Jul 138.2 · Aug 168.7 · Sep 184.6 · Oct 208.9 · Nov 162.5 · Dec 166.2 hours1991–2020WMO Climatological Normals 1991-2020 — station Suwon_47119.csv21Official · nearest-station reading
Annual mean temperature13.75 °C31 Dec 2024NASA POWER 2024 daily point climate observation for South Korea municipalities15Official source, approximated value · Supplemental context
Precipitation Annual Mm1,541 mm31 Dec 2024NASA POWER 2024 daily point climate observation for South Korea municipalities15Official 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
namgu254,413 residents달성군252,000 residents군산시255,591 residents군포시249,462 residentsbuggu260,736 residents성산구245,292 residents

Population and city profile

How many people live in 오산시?

The published population was 253,590 people in June 2026. Source: MOIS resident registration population by si/gun/gu, June 202613

Who lives hereResidents by nationality, % of population
오산시 residents by nationalityBy nationalityNational passport95.4%Foreign residents 4.6%

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

MetricValuePeriodSource
Cars per 1,000 residents554.5 cars/1000 residents31 Dec 2024Registered motor vehicles by si, gun and gu18Official
City area42.71 km²2020Official KOSIS visual statistics, Korea City Statistics, regional area; joined to the archived MOIS/KOSIS si-gun-gu code and name.16Official
Foreign-resident share4.58 %31 Dec 2025Korea Immigration Service registered foreigners by si/gun/gu and nationality, 2025-12-3110Official
Foreign residents11,585 people31 Mar 2026Registered foreigners by local government, March 202617Official
Population density5,668 people/km²31 Dec 2024Exact si-gun-gu density derived from archived official MOIS/KOSIS resident population and exact official KOSIS area row.16Official
Population Female121,230 people30 Jun 2026MOIS resident-registration population, sex and household counts by administrative area, June 202614Official
Population Male132,360 people30 Jun 2026MOIS resident-registration population, sex and household counts by administrative area, June 202614Official
Population253,590 people30 Jun 2026MOIS resident registration population by si/gun/gu, June 202613Official

International community in 오산시

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
계11,426100.0%
한국계중국인5,58848.9%
중국2,09318.3%
베트남1,41512.4%
우즈베키스탄2912.5%
미얀마2782.4%
네팔1821.6%
필리핀1661.5%
타이(태국)1661.5%
방글라데시1451.3%
Show 57 more groups
Published groupPeopleShare
캄보디아1281.1%
몽골1281.1%
스리랑카1151.0%
일본1080.9%
인도네시아960.8%
러시아(연방)660.6%
미국570.5%
인도470.4%
키르기즈470.4%
카자흐스탄460.4%
파키스탄420.4%
타이완(대만)380.3%
라오스150.1%
말레이시아130.1%
남아프리카공화국120.1%
영국100.1%
튀르키예100.1%
브라질90.1%
캐나다80.1%
탄자니아70.1%
이집트60.1%
우크라이나60.1%
홍콩60.1%
모로코60.1%
프랑스50.0%
가나50.0%
한국계러시아인50.0%
폴란드40.0%
케냐40.0%
타지키스탄40.0%
아이티40.0%
나이지리아30.0%
티모르민주공화국(동티모르)30.0%
스페인30.0%
에티오피아30.0%
멕시코30.0%
예멘공화국30.0%
오스트레일리아20.0%
뉴질랜드20.0%
이란20.0%
이탈리아20.0%
알제리20.0%
이스라엘20.0%
튀니지20.0%
독일10.0%
싱가포르10.0%
스웨덴10.0%
이라크10.0%
페루10.0%
벨기에10.0%
스위스10.0%
헝가리10.0%
칠레10.0%
아르메니아10.0%
말리10.0%
세인트크리스토퍼네비스10.0%
기타10.0%

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

Is 오산시 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 worker52%strong on work, weak on safety · range 42–62%
Skilled employee63%strong on work, weak on safety · range 54–72%
Student59%strong on education, weak on safety · range 50–68%
Family58%strong on family, weak on safety · range 48–68%
Retirement47%strong on legal route, weak on admin · range 36–58%
Foreign residents11,585 people31 Mar 2026Official source · Registered foreigners by local government, March 2026
Population253,590 people30 Jun 2026Official source · MOIS resident registration population by si/gun/gu, June 2026
Dwellings94,274 dwellings31 Dec 2024Official source · DT_1JU1501 2024 housing units by municipality
Unemployment rate4.4 %31 Dec 2025Official source · 2025 H2 Local Area Labour Force Survey — municipal key employment indicators
PM10 — annual mean32 µg/m³31 Dec 2024Official source · 2024 Air Environment Annual Report — Appendix 1.3 city annual concentrations
PM2.5 — annual mean17.94 µg/m³31 Dec 2024Official source · Air Pollution Level Confirmation Data — 2024 PM2.5 station observations
Every value keeps its source, geographic scope and verification date · Last checked 2026-07-31

Additional context

MetricValuePeriodSource
Households117,813 households30 Jun 2026MOIS resident-registration population, sex and household counts by administrative area, June 202614Official

Is 오산시 part of Seoul?

오산시 is near Seoul, but the collected evidence does not establish that it is administratively part of the hub or an official satellite. It is about 44.4 km away by straight-line distance.

Relationship type: Nearby Independent Place. Source22

Which comparable places record less crime than 오산시?

41 places have a lower recorded total crime rate than 오산시 in this strictly source-matched cohort.

오산시: 3,245.5 recorded crime occurrences/100k residents (2024).

노원구 — 2,056.8 recorded crime occurrences/100k residents2024과천시 — 2,064.9 recorded crime occurrences/100k residents2024성북구 — 2,133.7 recorded crime occurrences/100k residents2024도봉구 — 2,140.1 recorded crime occurrences/100k residents2024의왕시 — 2,185.6 recorded crime occurrences/100k residents2024안양시 — 2,323.7 recorded crime occurrences/100k residents2024서대문구 — 2,356 recorded crime occurrences/100k residents2024양천구 — 2,364.4 recorded crime occurrences/100k residents2024

Only the same source family, offence definition, period, grain and denominator method are compared. This is recorded crime, not a claim about personal safety. Official source6

Common questions

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

How many people live in 오산시?

The published population was 253,590 people in June 2026. Source: MOIS resident registration population by si/gun/gu, June 2026.

Is the air quality good in 오산시?

The annual PM2.5 mean is about 17.9 µg/m³ (2024) — above the WHO 2021 guideline of 5 µg/m³ but within the EU limit of 25 µg/m³. Source: Air Pollution Level Confirmation Data — 2024 PM2.5 station observations.

What is the unemployment rate in 오산시?

The unemployment rate is 4.4 % (2025). Source: 2025 H2 Local Area Labour Force Survey — municipal key employment indicators.

How many foreign residents live in 오산시?

11,585 people residents hold a foreign nationality. Source: Registered foreigners by local government, March 2026.

Is 오산시 a good place to live?

오산시 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.

Is 오산시 part of Seoul?

오산시 is near Seoul, but the collected evidence does not establish that it is administratively part of the hub or an official satellite. It is about 44.4 km away by straight-line distance.

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

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.

Which comparable places record less crime than 오산시?

41 places have a lower recorded total crime rate than 오산시 in this strictly source-matched cohort. The comparison uses Korean National Police Agency regional crime occurrence CSV 2024 + 2024 Registered Census population, period 2024, and does not compare across incompatible police definitions.

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). 오산시, South Korea: jobs, air quality, climate [ImmigrationDB compilation; snapshot approved-static-d7ed373c115d60d0; version approved-static-d7ed373c115d60d0]. ImmigrationDB. https://immigrationdb.com/cities/kr/osansi/ 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_e15f239dcb7f,
  author = {ImmigrationDB},
  title = {오산시, 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/osansi/},
  note = {Retrieved 2026-09-12. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}
Markdown citation
[오산시, South Korea: jobs, air quality, climate](https://immigrationdb.com/cities/kr/osansi/) — 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. Air Pollution Level Confirmation Data — 2024 PM2.5 station observations Air Pollution Level Confirmation Data · data.go.kr · checked 2026-07-26
  4. census.go.kr recorded crime data census.go.kr · checked 2026-08-28
  5. census.go.kr recorded crime data census.go.kr · checked 2026-08-28
  6. data.go.kr recorded crime data data.go.kr · checked 2026-08-28
  7. data.go.kr recorded crime data data.go.kr · checked 2026-08-28
  8. DT_1JU1501 2024 housing units by municipality kosis.kr · checked 2026-07-22
  9. DT_1JU1512 2024 vacant housing units by municipality kosis.kr · checked 2026-07-22
  10. Korea Immigration Service registered foreigners by si/gun/gu and nationality, 2025-12-31 immigration.go.kr · checked 2026-07-22
Show 12 more sources
  1. KOSIS e-RegionIndex doctors_per_1000 kosis.kr · checked 2026-07-21
  2. KOSIS e-RegionIndex hospital_beds_per_100k kosis.kr · checked 2026-07-21
  3. MOIS resident registration population by si/gun/gu, June 2026 jumin.mois.go.kr · checked 2026-07-21
  4. MOIS resident-registration population, sex and household counts by administrative area, June 2026 jumin.mois.go.kr · checked 2026-07-22
  5. NASA POWER 2024 daily point climate observation for South Korea municipalities power.larc.nasa.gov · checked 2026-07-22
  6. 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
  7. Registered foreigners by local government, March 2026 immigration.go.kr · checked 2026-07-21
  8. Registered motor vehicles by si, gun and gu stat.molit.go.kr · checked 2026-07-21
  9. Schoolinfo official open-data callback response schoolinfo.go.kr · checked 2026-07-21
  10. Statistics Korea / KOSIS citizenship distribution kosis.kr · checked 2026-08-28
  11. WMO Climatological Normals 1991-2020 — station Suwon_47119.csv WMO Climatological Normals 1991-2020 · ncei.noaa.gov · checked 2026-07-31
  12. wikidata.org place coordinates wikidata.org · checked 2026-08-28

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.