Kościan
Kościan had 23,110 residents at the end of 2024 and is a city in Poland. The unemployment rate was 2.3% at the end of 2025. For Kościan, annual PM2.5 was 17 µg/m³ at the end of 2024. The foreign population count was 46 in March 2021.
Who Kościan may suit
Relative profile scores use comparable published values. They are a decision aid, not a personal recommendation.
Population and city profile
The city covered 9 km² in 2024. Population density was 2,568 people per km² in 2024.
Derived from the published population and foreign-resident counts.
| Metric | Value | Verified | Source |
|---|---|---|---|
| City area | 9 km2 | 2026-07-152024 | Official sourceGUS BDL / GUGiK area variable 2018 Source-backed value |
| Foreign residents | 46 people | 2026-07-152021 | Official sourceGUS BDL / NSP 2021 non-Polish citizenship variable 1653367 Source-backed value |
| Population density | 2,568 people/km² | 2026-07-152024 | Official sourceReproducible gmina density for Kościan: population_total_2024 / official area_2024, rounded to the metric contract precision 0. Source-backed value |
| Population | 23,110 people | 2026-07-142024 | Official sourcesource-2ec73877f6eb Source-backed value · gmina |
Work and income
Published unemployment rates for cities in the same country.
| Metric | Value | Verified | Source |
|---|---|---|---|
| Unemployment rate | 2.3 %country median 4.2% — 45% below | 2026-07-27Aging | Official sourceLocal Data Bank — Share of registered unemployed persons in the working-age population by sex, total, 2025 Source-backed value |
Climate and air quality
Published monthly climate normals for this city.
Published monthly climate normals for this city.
City values from the published air-quality observations. WHO 2021 guidelines and EU limit values are published constants.
Published annual means from the same national measurement network.
| Metric | Value | Verified | Source |
|---|---|---|---|
| PM10 — annual mean | 24 µg/m³ | 2026-08-012024 | Official sourceEEA air quality statistics — PL PM10 annual mean 2024 (station Kościan, ul. Maya) Source-backed value · nearest-station reading |
| PM2.5 — annual mean | 17 µg/m³country median 15.5 — 10% above | 2026-07-292024 | Official sourceEEA Air Quality Annual Statistics — Poland 2024 PM2.5 station data Source-backed value |
| Average daytime high by month | Jan 2.1 · Feb 3.7 · Mar 8.1 · Apr 15 · May 19.8 · Jun 23.1 · Jul 25.2 · Aug 24.9 · Sep 19.5 · Oct 13.3 · Nov 7.1 · Dec 3.2 °C | 2026-07-311991 | Official sourceWMO Climatological Normals 1991-2020 — station Poznan Source-backed value · nearest-station reading |
| Average night-time low by month | Jan -2.9 · Feb -2.4 · Mar 0 · Apr 4 · May 8.4 · Jun 11.9 · Jul 14.1 · Aug 13.7 · Sep 9.6 · Oct 5.4 · Nov 1.8 · Dec -1.4 °C | 2026-07-311991 | Official sourceWMO Climatological Normals 1991-2020 — station Poznan Source-backed value · nearest-station reading |
| Average temperature by month | Jan -0.4 · Feb 0.5 · Mar 3.8 · Apr 9.5 · May 14.1 · Jun 17.5 · Jul 19.5 · Aug 19.1 · Sep 14.3 · Oct 9.1 · Nov 4.4 · Dec 0.9 °C | 2026-07-311991 | Official sourceWMO Climatological Normals 1991-2020 — station Poznan Source-backed value · nearest-station reading |
| Average precipitation by month | Jan 37.7 · Feb 30.7 · Mar 39.9 · Apr 28.6 · May 53.8 · Jun 57.5 · Jul 84.4 · Aug 55.9 · Sep 41.2 · Oct 35.4 · Nov 33.6 · Dec 40.1 mm | 2026-07-311991 | Official sourceWMO Climatological Normals 1991-2020 — station Poznan Source-backed value · nearest-station reading |
Worked out from these numbers
Arithmetic on the published values above. Each one names what it assumed.
How international is the population?
0.2% of residents hold a foreign nationality — 46 people of 23,110 people. This counts nationality, not place of birth, so long-settled residents who naturalised are not in it.
Common questions
Answered from the published values on this page, each with its source and date.
What is the unemployment rate in Kościan?
The unemployment rate is 2.3 %. Source: Local Data Bank — Share of registered unemployed persons in the working-age population by sex, total, 2025, checked 2026-07-27.
Is the air quality good in Kościan?
The annual PM2.5 mean is 17 µg/m³. The WHO 2021 guideline is 5 µg/m³ and the EU limit value is 25 µg/m³, so this reading is above the WHO guideline but within the EU limit. Source: EEA Air Quality Annual Statistics — Poland 2024 PM2.5 station data, checked 2026-07-29.
How many people live in Kościan?
The published population is 23,110 people. Source: source-2ec73877f6eb, checked 2026-07-14.
How many foreign residents live in Kościan?
46 people residents hold a foreign nationality. Source: GUS BDL / NSP 2021 non-Polish citizenship variable 1653367, checked 2026-07-15.
Cities of a similar size in Poland
Closest published populations, for a like-for-like comparison.
Sources
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.