---
entity_id: city:fr:insee5:35238
entity_type: city
name: Rennes
country_code: FR
country: France
slug: rennes
canonical_url: https://immigrationdb.com/cities/fr/rennes/
json_url: https://immigrationdb.com/data/cities/fr/rennes.json
markdown_url: https://immigrationdb.com/data/cities/fr/rennes.md
mcp_uri: immigrationdb://city/fr/rennes
snapshot_id: approved-static-bb6d69cd3c074ae2
generated_at: 2026-08-04
last_verified: 2026-08-01
fact_count: 22
metric_dictionary_url: https://immigrationdb.com/data/metrics.json
license_url: https://immigrationdb.com/about/copyright/
---

# Rennes

The unemployment rate was 13.9% at the end of 2022. Rennes, a city in France, had a population of 225,081 at the start of 2024. For Rennes, monthly precipitation was 66.6 mm in January and 44 mm in July. The city covered 50.4 km² in 2024. Population density was 4,521.3 people per km² in 2022.

## Climate

Average high temperatures were 9.2°C in January and 24.8°C in July. Annual PM2.5 was 7.93 µg/m³ in 2024.

## Immigration

The foreign population count was 22,925 in 2021.

## Facts

| Metric | metric_id | Value | Scope | Observed | Verified | Freshness | Lane | Source |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Foreign residents | `foreign_population_total` | 22,925 people | city | 2021 | 2026-07-15 | stale | verified | [1] |
| Population | `population_total` | 230,890 people | municipality | 2025-01-01 | 2026-07-14 | aging | verified | [2] |
| NO₂ — latest reading | `air_quality_no2_current_ug_m3` | 26.2667 µg/m³ | city | 2026-07-15 | 2026-07-15 | fresh | verified | [3] |
| Gigabit broadband availability | `broadband_gigabit_availability_percent` | 97.67 % | city | 2026-03-31 | 2026-07-15 | fresh | verified | [4] |
| Unemployment rate | `unemployment_total_percent` | 13.9489 % | city | 2022-12-31 | 2026-07-26 | stale | verified | [5] |
| NO₂ — annual mean | `air_quality_no2_annual_ug_m3` | 14.8484 µg/m³ | city | 2024 | 2026-07-15 | stale | verified | [6] |
| PM10 — annual mean | `air_quality_pm10_annual_ug_m3` | 13.0231 µg/m³ | city | 2024 | 2026-07-15 | stale | verified | [6] |
| PM2.5 — annual mean | `air_quality_pm25_annual_ug_m3` | 7.9301 µg/m³ | city | 2024 | 2026-07-15 | stale | verified | [6] |
| Average daytime high by month | `climate_monthly_high_c` | Jan 9.2 · Feb 10.2 · Mar 13.2 · Apr 16 · May 19.3 · Jun 22.6 · Jul 24.8 · Aug 24.7 · Sep 21.9 · Oct 17.2 · Nov 12.5 · Dec 9.6 °C | city | 2020-12-31 | 2026-07-27 | stale | verified | [7] |
| Average night-time low by month | `climate_monthly_low_c` | Jan 3.3 · Feb 2.9 · Mar 4.5 · Apr 6 · May 9.3 · Jun 12.1 · Jul 13.7 · Aug 13.8 · Sep 11.4 · Oct 9.3 · Nov 5.9 · Dec 3.6 °C | city | 2020-12-31 | 2026-07-27 | stale | verified | [7] |
| Average temperature by month | `climate_monthly_mean_c` | Jan 6.2 · Feb 6.6 · Mar 8.8 · Apr 11 · May 14.3 · Jun 17.3 · Jul 19.2 · Aug 19.3 · Sep 16.6 · Oct 13.2 · Nov 9.2 · Dec 6.6 °C | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [8] |
| Average precipitation by month | `climate_monthly_precip_mm` | Jan 66.6 · Feb 51.6 · Mar 48.9 · Apr 51.2 · May 58.1 · Jun 50.9 · Jul 44 · Aug 43.5 · Sep 56.6 · Oct 73.1 · Nov 73.2 · Dec 73.3 mm | city | 2020-12-31 | 2026-07-27 | stale | verified | [7] |
| Average sunshine by month | `climate_monthly_sunshine_h` | Jan 68.283 · Feb 92.683 · Mar 134.133 · Apr 173.817 · May 202.067 · Jun 213.333 · Jul 220.15 · Aug 207.2 · Sep 180.65 · Oct 116.667 · Nov 83.467 · Dec 69.033 hours | city | 2020-12-31 | 2026-07-27 | stale | verified | [7] |
| City area | `city_area_km2` | 50.4 km2 | place | 2024-01-01 | 2026-06-30 | stale | verified | [9] |
| Fitness club membership, monthly | `col_fitness_club_eur_month` | 38.4746 EUR/month | city | 2022-12-31 | 2026-07-27 | stale | supplemental | [10] |
| Internet, 60 Mbps unlimited | `col_internet_60mbps_eur_month` | 26.868 EUR/month | city | 2022-12-31 | 2026-07-27 | stale | supplemental | [10] |
| Private kindergarten, monthly | `col_kindergarten_private_eur_month` | 348.3017 EUR/month | city | 2022-12-31 | 2026-07-27 | stale | supplemental | [10] |
| Meal at an inexpensive restaurant | `col_meal_inexpensive_restaurant_eur` | 13.9298 EUR | city | 2022-12-31 | 2026-07-27 | stale | supplemental | [10] |
| Mobile plan, 10 GB | `col_mobile_plan_10gb_eur_month` | 15.14 EUR/month | city | 2025-12-31 | 2026-08-01 | aging | supplemental | [11] |
| Monthly transport pass | `col_transport_monthly_pass_eur` | 52.6971 EUR/month | city | 2022-12-31 | 2026-07-27 | stale | supplemental | [10] |
| Basic utilities, 85 m² home | `col_utilities_basic_85m2_eur_month` | 146.2676 EUR/month | city | 2022-12-31 | 2026-07-27 | stale | supplemental | [10] |
| Population density | `population_density_per_km2` | 4,521.3336 people/km² | place | 2022-01-01 | 2026-07-14 | stale | verified | [12] |

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. Météo-France climate normal — mean monthly maximum air temperature, RENNES-ST JACQUES, 1991-2020 — Official source — https://meteofrance.com/climat/normales/france/bretagne/RENNES-ST%20JACQUES
8. WMO Climatological Normals 1991-2020 — station RENNES-ST_JACQUES — Official source — https://www.ncei.noaa.gov/data/oceans/archive/arc0216/0253808/1.1/data/0-data/Region-6-WMO-Normals-9120/France/CSV/RENNES_ST_JACQUES_07130.csv
9. France city identity collection — Official source — https://immigrationdb.com/methodology/
10. Global Cost of Living — Kaggle snapshot v2 — Independent source — https://www.kaggle.com/datasets/mvieira101/global-cost-of-living
11. Numbeo — Cost of Living in Rennes (Wayback capture 20250119182551) — Independent source — https://web.archive.org/web/20250119182551/https://www.numbeo.com/cost-of-living/in/Rennes
12. 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. "Rennes, France." Snapshot approved-static-bb6d69cd3c074ae2, last verified 2026-08-01. https://immigrationdb.com/cities/fr/rennes/

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