---
entity_id: city:pl:slug:koscierzyna
entity_type: city
name: "Kościerzyna"
country_code: PL
country: Poland
slug: koscierzyna
canonical_url: https://immigrationdb.com/cities/pl/koscierzyna/
json_url: https://immigrationdb.com/data/cities/pl/koscierzyna.json
markdown_url: https://immigrationdb.com/data/cities/pl/koscierzyna.md
mcp_uri: immigrationdb://city/pl/koscierzyna
snapshot_id: approved-static-bb6d69cd3c074ae2
generated_at: 2026-08-04
last_verified: 2026-08-01
fact_count: 8
metric_dictionary_url: https://immigrationdb.com/data/metrics.json
license_url: https://immigrationdb.com/about/copyright/
---

# Kościerzyna

Kościerzyna had 23,264 residents at the end of 2024 and is a city in Poland. Annual PM2.5 was 13 µg/m³ at the end of 2024. In March 2021, the foreign population was 39. The unemployment rate was 6% at the end of 2025.

## Facts

| Metric | metric_id | Value | Scope | Observed | Verified | Freshness | Lane | Source |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Foreign residents | `foreign_population_total` | 39 people | city | 2021-03-31 | 2026-07-15 | stale | verified | [1] |
| Population | `population_total` | 23,264 people | gmina | 2024-12-31 | 2026-07-14 | stale | verified | [2] |
| Unemployment rate | `unemployment_total_percent` | 6 % | city | 2025-12-31 | 2026-07-27 | aging | verified | [3] |
| NO₂ — annual mean | `air_quality_no2_annual_ug_m3` | 9 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` | 13 µg/m³ | city | 2024-12-31 | 2026-07-29 | stale | verified | [6] |
| City area | `city_area_km2` | 16 km2 | city | 2024-12-31 | 2026-07-15 | stale | verified | [7] |
| Population density | `population_density_per_km2` | 1,454 people/km² | city | 2024-12-31 | 2026-07-15 | stale | verified | [8] |

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-9b7e2eedf27b — Official source — https://bdl.stat.gov.pl/api/v1/data/by-unit/042217206011?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 Liniewko Kościerskie) — 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 Kościerzyna, ul. Targowa) — 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. 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
8. Reproducible gmina density for Kościerzyna: 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/042217206011?var-id=2018&var-id=72305&year=2024

## Cite

ImmigrationDB. "Kościerzyna, Poland." Snapshot approved-static-bb6d69cd3c074ae2, last verified 2026-08-01. https://immigrationdb.com/cities/pl/koscierzyna/

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/koscierzyna/
- JSON: https://immigrationdb.com/data/cities/pl/koscierzyna.json
- Markdown: https://immigrationdb.com/data/cities/pl/koscierzyna.md
- MCP resource: immigrationdb://city/pl/koscierzyna
- 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
