---
entity_id: city:fr:insee5:62193
entity_type: city
name: Calais
country_code: FR
country: France
slug: calais
canonical_url: https://immigrationdb.com/cities/fr/calais/
json_url: https://immigrationdb.com/data/cities/fr/calais.json
markdown_url: https://immigrationdb.com/data/cities/fr/calais.md
mcp_uri: immigrationdb://city/fr/calais
snapshot_id: approved-static-bb6d69cd3c074ae2
generated_at: 2026-08-04
last_verified: 2026-07-26
fact_count: 10
metric_dictionary_url: https://immigrationdb.com/data/metrics.json
license_url: https://immigrationdb.com/about/copyright/
---

# Calais

Calais is a city in France. The unemployment rate was 22.7% at the end of 2022. In 2021, the foreign population was 2,329. Its population was 67,571 at the start of 2024.

## Population

The city covered 33.5 km² in 2022. Population density was 2,017.5 people per km² in 2022.

## Climate

Annual PM2.5 was 9.33 µg/m³ in 2024. Annual NO₂ was 12 µg/m³ in 2024. Annual PM10 was 16.2 µg/m³ in 2024.

## Facts

| Metric | metric_id | Value | Scope | Observed | Verified | Freshness | Lane | Source |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Foreign residents | `foreign_population_total` | 2,329 people | city | 2021 | 2026-07-15 | stale | verified | [1] |
| Population | `population_total` | 67,571 people | municipality | 2025-01-01 | 2026-07-14 | aging | verified | [2] |
| NO₂ — latest reading | `air_quality_no2_current_ug_m3` | 34.3 µg/m³ | city | 2026-07-15 | 2026-07-15 | fresh | verified | [3] |
| Gigabit broadband availability | `broadband_gigabit_availability_percent` | 99.62 % | city | 2026-03-31 | 2026-07-15 | fresh | verified | [4] |
| Unemployment rate | `unemployment_total_percent` | 22.7093 % | city | 2022-12-31 | 2026-07-26 | stale | verified | [5] |
| NO₂ — annual mean | `air_quality_no2_annual_ug_m3` | 11.9723 µg/m³ | city | 2024 | 2026-07-15 | stale | verified | [6] |
| PM10 — annual mean | `air_quality_pm10_annual_ug_m3` | 16.2389 µg/m³ | city | 2024 | 2026-07-15 | stale | verified | [6] |
| PM2.5 — annual mean | `air_quality_pm25_annual_ug_m3` | 9.3307 µg/m³ | city | 2024 | 2026-07-15 | stale | verified | [6] |
| City area | `city_area_km2` | 33.5 km2 | place | 2022-01-01 | 2026-07-14 | stale | verified | [7] |
| Population density | `population_density_per_km2` | 2,017.4627 people/km² | place | 2022-01-01 | 2026-07-14 | stale | verified | [7] |

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. Nationalité en 2021 — Base des tableaux détaillés — NAT1 — Official source — https://www.insee.fr/fr/statistiques/fichier/8202752/TD_NAT1_2021_csv.zip
2. France official denominator source — Official source — https://www.insee.fr/fr/statistiques/fichier/8680726/ensemble.zip
3. Latest valid NO2 hourly station observation on the official LCSQA E2 current-day extract, mapped to the exact INSEE centre through an exact normalized station-name crosswalk to EEA station metadata. — Official source — https://files.data.gouv.fr/ineris/lcsqa/concentrations-de-polluants-atmospheriques-reglementes/temps-reel/2026/FR_E2_2026-07-15.csv
4. Independent ARCEP municipal count of premises eligible for the >=1 Gbit/s fixed advertised-speed class, divided by the ARCEP type=all municipal premises denominator. This is availability/eligibility, not adoption, measured speed, FTTH-only coverage or mobile coverage. — Official source — https://data.arcep.fr/fixe/maconnexioninternet/statistiques/2026_T1/commune/commune_debit.csv
5. INSEE RP2022 ACT1 — population active by type of activity, commune — Official source — https://www.insee.fr/fr/statistiques/fichier/8581605/TD_ACT1_2022_csv.zip
6. 2024 validated hourly NO2 station observations transformed to the exact INSEE commune centre by deterministic nearest-station selection and equal-weight aggregation. — Official source — https://air.discomap.eea.europa.eu/arcgis/rest/services/AirQuality/AirQualityDownloadServiceEUMonitoringStations/MapServer
7. A-ccepted source for city area and derived population density — Official source — https://www.insee.fr/fr/statistiques/fichier/2521169/base_cc_comparateur_csv.zip

## Cite

ImmigrationDB. "Calais, France." Snapshot approved-static-bb6d69cd3c074ae2, last verified 2026-07-26. https://immigrationdb.com/cities/fr/calais/

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