---
entity_id: city:fr:insee5:64102
entity_type: city
name: Bayonne
country_code: FR
country: France
slug: bayonne
canonical_url: https://immigrationdb.com/cities/fr/bayonne/
json_url: https://immigrationdb.com/data/cities/fr/bayonne.json
markdown_url: https://immigrationdb.com/data/cities/fr/bayonne.md
mcp_uri: immigrationdb://city/fr/bayonne
snapshot_id: approved-static-bb6d69cd3c074ae2
generated_at: 2026-08-04
last_verified: 2026-07-31
fact_count: 15
metric_dictionary_url: https://immigrationdb.com/data/metrics.json
license_url: https://immigrationdb.com/about/copyright/
---

# Bayonne

At the start of 2024, Bayonne is a city in France, with a population of 54,306. The unemployment rate was 10.9% at the end of 2022. In 2024, annual PM2.5 was 5.75 µg/m³. The city covered 21.7 km² in 2022. Population density was 2,459 people per km² in 2022.

## Climate

Annual NO₂ was 10.7 µg/m³ in 2024. Annual PM10 was 16.7 µg/m³ in 2024.

## Immigration

The foreign population count was 3,802 in 2021.

## Facts

| Metric | metric_id | Value | Scope | Observed | Verified | Freshness | Lane | Source |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Foreign residents | `foreign_population_total` | 3,802 people | city | 2021 | 2026-07-15 | stale | verified | [1] |
| Population | `population_total` | 54,306 people | municipality | 2025-01-01 | 2026-07-14 | aging | verified | [2] |
| NO₂ — latest reading | `air_quality_no2_current_ug_m3` | 4.9 µg/m³ | city | 2026-07-15 | 2026-07-15 | fresh | verified | [3] |
| Gigabit broadband availability | `broadband_gigabit_availability_percent` | 97.51 % | city | 2026-03-31 | 2026-07-15 | fresh | verified | [4] |
| Unemployment rate | `unemployment_total_percent` | 10.9392 % | city | 2022-12-31 | 2026-07-26 | stale | verified | [5] |
| NO₂ — annual mean | `air_quality_no2_annual_ug_m3` | 10.6704 µg/m³ | city | 2024 | 2026-07-15 | stale | verified | [6] |
| PM10 — annual mean | `air_quality_pm10_annual_ug_m3` | 16.7031 µg/m³ | city | 2024 | 2026-07-15 | stale | verified | [6] |
| PM2.5 — annual mean | `air_quality_pm25_annual_ug_m3` | 5.7546 µg/m³ | city | 2024 | 2026-07-15 | stale | verified | [6] |
| Average daytime high by month | `climate_monthly_high_c` | Jan 12.2 · Feb 12.8 · Mar 15.2 · Apr 16.8 · May 19.9 · Jun 22.5 · Jul 24.2 · Aug 25.1 · Sep 23.3 · Oct 20.2 · Nov 15.4 · Dec 12.9 °C | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [7] |
| Average night-time low by month | `climate_monthly_low_c` | Jan 5 · Feb 4.9 · Mar 7.1 · Apr 8.8 · May 11.9 · Jun 14.9 · Jul 16.9 · Aug 17.2 · Sep 14.5 · Oct 11.9 · Nov 7.9 · Dec 5.7 °C | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [7] |
| Average temperature by month | `climate_monthly_mean_c` | Jan 8.6 · Feb 8.9 · Mar 11.2 · Apr 12.8 · May 15.9 · Jun 18.7 · Jul 20.6 · Aug 21.2 · Sep 18.9 · Oct 16.1 · Nov 11.6 · Dec 9.3 °C | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [7] |
| Average precipitation by month | `climate_monthly_precip_mm` | Jan 139.6 · Feb 110.4 · Mar 102.8 · Apr 117.7 · May 116.1 · Jun 99.2 · Jul 77.3 · Aug 87.5 · Sep 118.2 · Oct 147.3 · Nov 206.9 · Dec 150.6 mm | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [7] |
| Average sunshine by month | `climate_monthly_sunshine_h` | Jan 95 · Feb 115 · Mar 163 · Apr 170 · May 196 · Jun 206 · Jul 218 · Aug 214 · Sep 199 · Oct 145 · Nov 103 · Dec 91 hours | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [7] |
| City area | `city_area_km2` | 21.68 km2 | place | 2022-01-01 | 2026-07-14 | stale | verified | [8] |
| Population density | `population_density_per_km2` | 2,459.0406 people/km² | place | 2022-01-01 | 2026-07-14 | 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. 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. WMO Climatological Normals 1991-2020 — station BIARRITZ-PAYS-BASQUE — Official source — https://www.ncei.noaa.gov/data/oceans/archive/arc0216/0253808/1.1/data/0-data/Region-6-WMO-Normals-9120/France/CSV/BIARRITZ_PAYS_BASQUE_07602.csv
8. 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. "Bayonne, France." Snapshot approved-static-bb6d69cd3c074ae2, last verified 2026-07-31. https://immigrationdb.com/cities/fr/bayonne/

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