--- entity_id: city:fr:insee5:94022 entity_type: city name: Choisy-le-Roi country_code: FR country: France slug: choisy-le-roi canonical_url: https://immigrationdb.com/cities/fr/choisy-le-roi/ json_url: https://immigrationdb.com/data/cities/fr/choisy-le-roi.json markdown_url: https://immigrationdb.com/data/cities/fr/choisy-le-roi.md mcp_uri: immigrationdb://city/fr/choisy-le-roi 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/ --- # Choisy-le-Roi Choisy-le-Roi is a city in France. The unemployment rate was 13.4% at the end of 2022. In 2024, annual PM2.5 was 9.21 µg/m³. Its population was 45,946 at the start of 2024. The city covered 5.4 km² in 2022. Population density was 8,493.9 people per km² in 2022. ## Climate Annual NO₂ was 24.8 µg/m³ in 2024. Annual PM10 was 16 µg/m³ in 2024. ## Immigration The foreign population count was 9,879 in 2021. ## Facts | Metric | metric_id | Value | Scope | Observed | Verified | Freshness | Lane | Source | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Foreign residents | `foreign_population_total` | 9,879 people | city | 2021 | 2026-07-15 | stale | verified | [1] | | Population | `population_total` | 45,946 people | municipality | 2025-01-01 | 2026-07-14 | aging | verified | [2] | | NO₂ — latest reading | `air_quality_no2_current_ug_m3` | 23.125 µg/m³ | city | 2026-07-15 | 2026-07-15 | fresh | verified | [3] | | Gigabit broadband availability | `broadband_gigabit_availability_percent` | 97.39 % | city | 2026-03-31 | 2026-07-15 | fresh | verified | [4] | | Unemployment rate | `unemployment_total_percent` | 13.4206 % | city | 2022-12-31 | 2026-07-26 | stale | verified | [5] | | NO₂ — annual mean | `air_quality_no2_annual_ug_m3` | 24.7823 µg/m³ | city | 2024 | 2026-07-15 | stale | verified | [6] | | PM10 — annual mean | `air_quality_pm10_annual_ug_m3` | 16.05 µg/m³ | city | 2024 | 2026-07-15 | stale | verified | [6] | | PM2.5 — annual mean | `air_quality_pm25_annual_ug_m3` | 9.2122 µg/m³ | city | 2024 | 2026-07-15 | stale | verified | [6] | | Average daytime high by month | `climate_monthly_high_c` | Jan 7.2 · Feb 8.5 · Mar 12.5 · Apr 16.2 · May 19.8 · Jun 23.2 · Jul 25.8 · Aug 25.7 · Sep 21.5 · Oct 16.4 · Nov 10.9 · Dec 7.6 °C | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [7] | | Average night-time low by month | `climate_monthly_low_c` | Jan 2.1 · Feb 2 · Mar 4.2 · Apr 6.4 · May 9.9 · Jun 13.1 · Jul 15 · Aug 14.6 · Sep 11.5 · Oct 8.7 · Nov 5 · Dec 2.7 °C | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [7] | | Average temperature by month | `climate_monthly_mean_c` | Jan 4.7 · Feb 5.2 · Mar 8.3 · Apr 11.3 · May 14.8 · Jun 18.2 · Jul 20.4 · Aug 20.2 · Sep 16.5 · Oct 12.6 · Nov 7.9 · Dec 5.2 °C | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [7] | | Average precipitation by month | `climate_monthly_precip_mm` | Jan 46.8 · Feb 42.6 · Mar 44.4 · Apr 44.5 · May 63 · Jun 56.1 · Jul 52.9 · Aug 57.9 · Sep 47.4 · Oct 52.8 · Nov 53.4 · Dec 60.4 mm | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [7] | | Average sunshine by month | `climate_monthly_sunshine_h` | Jan 59 · Feb 83 · Mar 134 · Apr 177 · May 201 · Jun 203 · Jul 222 · Aug 215 · Sep 174 · Oct 118 · Nov 69 · Dec 56 hours | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [8] | | City area | `city_area_km2` | 5.43 km2 | place | 2022-01-01 | 2026-07-14 | stale | verified | [9] | | Population density | `population_density_per_km2` | 8,493.9227 people/km² | place | 2022-01-01 | 2026-07-14 | stale | verified | [9] | 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 ORLY — Official source — https://www.ncei.noaa.gov/data/oceans/archive/arc0216/0253808/1.1/data/0-data/Region-6-WMO-Normals-9120/France/CSV/ORLY_07149.csv 8. WMO Climatological Normals 1991-2020 — station PARIS-MONTSOURIS — Official source — https://www.ncei.noaa.gov/data/oceans/archive/arc0216/0253808/1.1/data/0-data/Region-6-WMO-Normals-9120/France/CSV/PARIS_MONTSOURIS_07156.csv 9. 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. "Choisy-le-Roi, France." Snapshot approved-static-bb6d69cd3c074ae2, last verified 2026-07-31. https://immigrationdb.com/cities/fr/choisy-le-roi/ 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/choisy-le-roi/ - JSON: https://immigrationdb.com/data/cities/fr/choisy-le-roi.json - Markdown: https://immigrationdb.com/data/cities/fr/choisy-le-roi.md - MCP resource: immigrationdb://city/fr/choisy-le-roi - 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