--- entity_id: city:pl:slug:olsztyn entity_type: city name: Olsztyn country_code: PL country: Poland slug: olsztyn canonical_url: https://immigrationdb.com/cities/pl/olsztyn/ json_url: https://immigrationdb.com/data/cities/pl/olsztyn.json markdown_url: https://immigrationdb.com/data/cities/pl/olsztyn.md mcp_uri: immigrationdb://city/pl/olsztyn snapshot_id: approved-static-bb6d69cd3c074ae2 generated_at: 2026-08-04 last_verified: 2026-08-01 fact_count: 18 metric_dictionary_url: https://immigrationdb.com/data/metrics.json license_url: https://immigrationdb.com/about/copyright/ --- # Olsztyn The population of Olsztyn, in Poland, was 166,392 at the end of 2024. The unemployment rate was 2.4% at the end of 2025. Monthly mean temperatures were −2°C in January and 18.3°C in July. ## Population The city covered 88 km² in 2024. Population density was 1,891 people per km² in 2024. ## Climate Monthly precipitation was 42.1 mm in January and 88 mm in July. Annual PM2.5 was 15 µg/m³ at the end of 2024. ## Facts | Metric | metric_id | Value | Scope | Observed | Verified | Freshness | Lane | Source | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Foreign residents | `foreign_population_total` | 344 people | city | 2021-03-31 | 2026-07-15 | stale | verified | [1] | | Population | `population_total` | 166,392 people | gmina | 2024-12-31 | 2026-07-14 | stale | verified | [2] | | Unemployment rate | `unemployment_total_percent` | 2.4 % | city | 2025-12-31 | 2026-07-27 | aging | verified | [3] | | NO₂ — annual mean | `air_quality_no2_annual_ug_m3` | 11 µg/m³ | nearest_station | 2024-12-31 | 2026-08-01 | stale | verified | [4] | | PM10 — annual mean | `air_quality_pm10_annual_ug_m3` | 20 µg/m³ | nearest_station | 2024-12-31 | 2026-08-01 | stale | verified | [5] | | PM2.5 — annual mean | `air_quality_pm25_annual_ug_m3` | 15 µg/m³ | city | 2024-12-31 | 2026-07-29 | stale | verified | [6] | | Average daytime high by month | `climate_monthly_high_c` | Jan 0.4 · Feb 1.8 · Mar 6.2 · Apr 13.3 · May 18.6 · Jun 21.7 · Jul 23.8 · Aug 23.4 · Sep 18.1 · Oct 11.8 · Nov 5.5 · Dec 1.7 °C | city | 2020-12-31 | 2026-07-27 | stale | verified | [7] | | Average night-time low by month | `climate_monthly_low_c` | Jan -4.4 · Feb -3.8 · Mar -1.5 · Apr 2.6 · May 7.1 · Jun 10.7 · Jul 13.2 · Aug 12.7 · Sep 8.9 · Oct 4.8 · Nov 1.2 · Dec -2.6 °C | city | 2020-12-31 | 2026-07-27 | stale | verified | [8] | | Average temperature by month | `climate_monthly_mean_c` | Jan -2 · Feb -1.1 · Mar 2.2 · Apr 7.9 · May 12.9 · Jun 16.1 · Jul 18.3 · Aug 17.8 · Sep 13.2 · Oct 8 · Nov 3.3 · Dec -0.4 °C | city | 2020-12-31 | 2026-07-27 | stale | verified | [9] | | Average precipitation by month | `climate_monthly_precip_mm` | Jan 42.1 · Feb 33.1 · Mar 39.4 · Apr 37.5 · May 59.8 · Jun 70.1 · Jul 88 · Aug 63.8 · Sep 58.5 · Oct 57.7 · Nov 47 · Dec 45.4 mm | city | 2020-12-31 | 2026-07-27 | stale | verified | [10] | | City area | `city_area_km2` | 88 km2 | city | 2024-12-31 | 2026-07-15 | stale | verified | [11] | | Fitness club membership, monthly | `col_fitness_club_eur_month` | 27.82 EUR/month | city | 2024-12-31 | 2026-08-01 | stale | supplemental | [12] | | Internet, 60 Mbps unlimited | `col_internet_60mbps_eur_month` | 15.81 EUR/month | city | 2024-12-31 | 2026-08-01 | stale | supplemental | [12] | | Private kindergarten, monthly | `col_kindergarten_private_eur_month` | 115.92 EUR/month | city | 2024-12-31 | 2026-08-01 | stale | supplemental | [12] | | Mobile plan, 10 GB | `col_mobile_plan_10gb_eur_month` | 7.34 EUR/month | city | 2024-12-31 | 2026-08-01 | stale | supplemental | [12] | | Monthly transport pass | `col_transport_monthly_pass_eur` | 23.18 EUR/month | city | 2024-12-31 | 2026-08-01 | stale | supplemental | [12] | | Basic utilities, 85 m² home | `col_utilities_basic_85m2_eur_month` | 233.38 EUR/month | city | 2024-12-31 | 2026-08-01 | stale | supplemental | [12] | | Population density | `population_density_per_km2` | 1,891 people/km² | city | 2024-12-31 | 2026-07-15 | stale | verified | [13] | Every row keeps the value, unit, geographic scope, observation date, verification date and the numbered source below. A missing metric means the city does not publish it; nothing is imputed. ## Sources 1. GUS BDL / NSP 2021 non-Polish citizenship variable 1653367 — Official source — https://bdl.stat.gov.pl/api/v1/data/by-unit/{teryt_gmina}?var-id=1653367&year=2021 2. source-ab71f5907e2d — Official source — https://bdl.stat.gov.pl/api/v1/data/by-unit/042815662011?var-id=72305&year=2024 3. Local Data Bank — Share of registered unemployed persons in the working-age population by sex, total, 2025 — Official source — https://bdl.stat.gov.pl/api/v1/data/by-variable/79214?lang=en&unit-level=6&year=2025 4. EEA air quality statistics — PL NO2 annual mean 2024 (station Olsztyn, ul. Puszkina) — Official source — https://air.discomap.eea.europa.eu/arcgis/rest/services/AirQuality/AQ_Statistics_WM/MapServer/0/query?where=Country_ISO%3D'PL'%20AND%20AirPollutant%3D'NO2'%20AND%20YearOfStatistics%3D2024&outFields=AirPollutant,AirPollutionLevel,Country_ISO,StationName,YearOfStatistics,UnitOfAirpollutionLevel,ReportingMetric,LatitudeOfMeasurementStation,LongitudeOfMeasurementStation,DataCoverage,Preliminary&returnGeometry=false&f=json 5. EEA air quality statistics — PL PM10 annual mean 2024 (station Olsztyn, ul. Puszkina) — Official source — https://air.discomap.eea.europa.eu/arcgis/rest/services/AirQuality/AQ_Statistics_WM/MapServer/0/query?where=Country_ISO%3D'PL'%20AND%20AirPollutant%3D'PM10'%20AND%20YearOfStatistics%3D2024&outFields=AirPollutant,AirPollutionLevel,Country_ISO,StationName,YearOfStatistics,UnitOfAirpollutionLevel,ReportingMetric,LatitudeOfMeasurementStation,LongitudeOfMeasurementStation,DataCoverage,Preliminary&returnGeometry=false&f=json 6. EEA Air Quality Annual Statistics — Poland 2024 PM2.5 station data — Official source — https://air.discomap.eea.europa.eu/arcgis/rest/services/AirQuality/AQ_Statistics_WM/MapServer/0/query?where=AirPollutant%3D%27PM2.5%27+AND+Country_ISO%3D%27PL%27+AND+YearOfStatistics%3D2024&outFields=AirPollutant%2CAirPollutionLevel%2CCountry_ISO%2CStationName%2CAreaOfMeasurementStation%2CYearOfStatistics%2CUnitOfAirpollutionLevel%2CTypeOfMeasurementStation%2CDataCoverage%2CReportingMetric%2CLatitudeOfMeasurementStation%2CLongitudeOfMeasurementStation&returnGeometry=false&resultRecordCount=1000&resultOffset=0&f=json 7. IMGW-PIB climate normal — mean monthly maximum air temperature, OLSZTYN, 1991-2020 — Official source — https://klimat.imgw.pl/pl/climate-normals/TMAX_AVE 8. IMGW-PIB climate normal — mean monthly minimum air temperature, OLSZTYN, 1991-2020 — Official source — https://klimat.imgw.pl/pl/climate-normals/TMIN_AVE 9. IMGW-PIB climate normal — mean monthly air temperature, OLSZTYN, 1991-2020 — Official source — https://klimat.imgw.pl/pl/climate-normals/TSR_AVE 10. IMGW-PIB climate normal — monthly total precipitation, OLSZTYN, 1991-2020 — Official source — https://klimat.imgw.pl/pl/climate-normals/OPAD_SUMA 11. GUS BDL / GUGiK area variable 2018 — Official source — https://bdl.stat.gov.pl/api/v1/data/by-unit/{teryt_gmina}?var-id=2018&year=2024 12. Numbeo — Cost of Living in Olsztyn (Wayback capture 20241203204554) — Independent source — https://web.archive.org/web/20241203204554/https://www.numbeo.com/cost-of-living/in/Olsztyn 13. Reproducible gmina density for Olsztyn: population_total_2024 / official area_2024, rounded to the metric contract precision 0. — Official source — https://bdl.stat.gov.pl/api/v1/data/by-unit/042815662011?var-id=2018&var-id=72305&year=2024 ## Cite ImmigrationDB. "Olsztyn, Poland." Snapshot approved-static-bb6d69cd3c074ae2, last verified 2026-08-01. https://immigrationdb.com/cities/pl/olsztyn/ Reuse requires the direct source URL, the observation date and a link back to the ImmigrationDB page: https://immigrationdb.com/about/copyright/ ## Data - HTML: https://immigrationdb.com/cities/pl/olsztyn/ - JSON: https://immigrationdb.com/data/cities/pl/olsztyn.json - Markdown: https://immigrationdb.com/data/cities/pl/olsztyn.md - MCP resource: immigrationdb://city/pl/olsztyn - Metric dictionary: https://immigrationdb.com/data/metrics.json - All published city facts, one row each: https://immigrationdb.com/data/facts.ndjson.gz - Release catalog: https://immigrationdb.com/data/catalog.json