Cologne
Cologne has a population of 1,100,076 people; a published rent or housing observation of 12.3068 µg/m³; a published area of 405.02 km2. Read each value with its source, scope and date.
Migration hubDemographicsMobility AdminHousingClimate Air
Population Total1,100,076 peoplecity · Verified 2026-05-31Independent source · Stadt Koeln Statistik
Air Quality No2 Current Ug M312.3068 µg/m³city · Verified 2026-07-15Official source · Official UBA station observation retained; station lies outside the exact target municipality and is not promoted.
Rent Avg Nettokalt Eur Per M2 Month15.4 EUR/m²/monthcity · Verified 2026-06-04Commercial source · wohnungsboerse Mietspiegel Cologne
Air Quality No2 Annual Ug M321.8897 µg/m³city · Verified 2026-07-15Official source · Official UBA station observation retained; station lies outside the exact target municipality and is not promoted.
Air Quality Pm10 Annual Ug M313.2505 µg/m³city · Verified 2026-07-15Official source · Official UBA station observation retained; station lies outside the exact target municipality and is not promoted.
Air Quality Pm25 Annual Ug M38.5761 µg/m³city · Verified 2026-07-15Official source · Official UBA station observation retained; station lies outside the exact target municipality and is not promoted.
Every value keeps its source, geographic scope and verification date · Last checked 2026-07-15
3 published facts
Climate and air quality
| Metric | Value | Source | Verified |
|---|---|---|---|
| Air Quality No2 Annual Ug M3 | 21.8897 µg/m³ | Official sourceOfficial UBA station observation retained; station lies outside the exact target municipality and is not promoted. Source-backed value | 2026-07-15 |
| Air Quality Pm10 Annual Ug M3 | 13.2505 µg/m³ | Official sourceOfficial UBA station observation retained; station lies outside the exact target municipality and is not promoted. Source-backed value | 2026-07-15 |
| Air Quality Pm25 Annual Ug M3 | 8.5761 µg/m³ | Official sourceOfficial UBA station observation retained; station lies outside the exact target municipality and is not promoted. Source-backed value | 2026-07-15 |
3 published facts
Demographics
| Metric | Value | Source | Verified |
|---|---|---|---|
| Car Density Per 1000 | 456 cars/1000 residents | Official sourceKraftfahrt-Bundesamt — FZ 3 vehicle stock by municipality Source-backed value | 2026-06-05 |
| City Area Km2 | 405.02 km2 | Independent sourceDestatis Gemeindeverzeichnis Source-backed value | 2026-05-31 |
| Population Total | 1,100,076 people | Independent sourceStadt Koeln Statistik Source-backed value | 2026-05-31 |
2 published facts
Housing and living costs
| Metric | Value | Source | Verified |
|---|---|---|---|
| Air Quality No2 Current Ug M3 | 12.3068 µg/m³ | Official sourceOfficial UBA station observation retained; station lies outside the exact target municipality and is not promoted. Source-backed value | 2026-07-15 |
| Rent Avg Nettokalt Eur Per M2 Month | 15.4 EUR/m²/month | Commercial sourcewohnungsboerse Mietspiegel Cologne Supplemental context | 2026-06-04 |
3 published facts
Mobility and administration
| Metric | Value | Source | Verified |
|---|---|---|---|
| Nearest Airport Destinations Count | 92 count | Independent sourceOpenFlights — routes.dat — nearest_airport_destinations_count Source-backed value | 2026-06-13 |
| Nearest Airport Iata | CGN code | Independent sourceOurAirports — airports.csv — nearest_airport_iata Source-backed value | 2026-06-13 |
| Nearest Airport Km | 15.1 km | Independent sourceOurAirports — airports.csv — nearest_airport_iata Source-backed value | 2026-06-13 |
Sources
Stadt Koeln StatistikIndependent source · Checked 2026-07-16Official UBA station observation retained; station lies outside the exact target municipality and is not promoted.Official source · Checked 2026-07-16wohnungsboerse Mietspiegel CologneCommercial source · Checked 2026-07-16Kraftfahrt-Bundesamt — FZ 3 vehicle stock by municipalityOfficial source · Checked 2026-07-16Destatis GemeindeverzeichnisIndependent source · Checked 2026-07-16OpenFlights — routes.dat — nearest_airport_destinations_countIndependent source · Checked 2026-07-16
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Use the linked JSON or Markdown record for exact values, source URLs and verification dates.