La Roche-sur-Yon
La Roche-sur-Yon is a city in France, with a population of 54,849 at the start of 2024. For La Roche-sur-Yon, the unemployment rate was 12.1% at the end of 2022. Monthly precipitation was 94.8 mm in January and 47.9 mm in July. The city covered 87.5 km² in 2022. Population density was 625 people per km² in 2022.
Higher unemployment than 62% of French cities that publish it and cleaner air than 82% of French cities that publish it.
Who La Roche-sur-Yon may suit
Relative profile scores use comparable published values. They are a decision aid, not a personal recommendation.
Population and city profile
Derived from the published population and foreign-resident counts.
| Metric | Value | Verified | Source |
|---|---|---|---|
| City area | 87.52 km2 | 2026-07-142022 | Official sourceA-ccepted source for city area and derived population density Source-backed value · place |
| Foreign residents | 3,181 people | 2026-07-152021 | Official sourceNationalité en 2021 — Base des tableaux détaillés — NAT1 Source-backed value |
| Population density | 624.9886 people/km² | 2026-07-142022 | Official sourceA-ccepted source for city area and derived population density Source-backed value · place |
| Population | 54,849 people | 2026-07-14Aging | Official sourceFrance official denominator source Source-backed value |
Work and income
Published unemployment rates for cities in the same country.
| Metric | Value | Verified | Source |
|---|---|---|---|
| Gigabit broadband availability | 95.81 % | 2026-07-15Fresh | Official sourceIndependent 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. Source-backed value |
| Unemployment rate | 12.1313 %country median 10.5% — 15% above | 2026-07-262022 | Official sourceINSEE RP2022 ACT1 — population active by type of activity, commune Source-backed value |
Climate and air quality
Average high temperatures were 9°C in January and 24.9°C in July. Annual PM2.5 was 7.47 µg/m³ in 2024.
Published monthly climate normals for this city.
Published monthly climate normals for this city.
Published monthly climate normals for this city.
City values from the published air-quality observations. WHO 2021 guidelines and EU limit values are published constants.
Published annual means from the same national measurement network.
| Metric | Value | Verified | Source |
|---|---|---|---|
| NO₂ — annual mean | 5.8151 µg/m³country median 14.8 — 61% below | 2026-07-152024 | Official source2024 validated hourly NO2 station observations transformed to the exact INSEE commune centre by deterministic nearest-station selection and equal-weight aggregation. Source-backed value |
| NO₂ — latest reading | 23.6 µg/m³ | 2026-07-15Fresh | Official sourceLatest 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. Source-backed value |
| PM10 — annual mean | 11.8713 µg/m³country median 14.3 — 17% below | 2026-07-152024 | Official source2024 validated hourly NO2 station observations transformed to the exact INSEE commune centre by deterministic nearest-station selection and equal-weight aggregation. Source-backed value |
| PM2.5 — annual mean | 7.4662 µg/m³country median 8.5 — 12% below | 2026-07-152024 | Official source2024 validated hourly NO2 station observations transformed to the exact INSEE commune centre by deterministic nearest-station selection and equal-weight aggregation. Source-backed value |
| Average daytime high by month | Jan 9 · Feb 10.1 · Mar 13.1 · Apr 15.7 · May 19.3 · Jun 22.8 · Jul 24.9 · Aug 25.1 · Sep 22.1 · Oct 17.3 · Nov 12.5 · Dec 9.5 °C | 2026-07-272020 | Official sourceMétéo-France climate normal — mean monthly maximum air temperature, LA ROCHE SUR YON, 1991-2020 Source-backed value |
| Average night-time low by month | Jan 3.2 · Feb 2.7 · Mar 4.4 · Apr 6 · May 9.3 · Jun 12.3 · Jul 13.9 · Aug 13.9 · Sep 11.4 · Oct 9.4 · Nov 5.9 · Dec 3.6 °C | 2026-07-272020 | Official sourceMétéo-France climate normal — mean monthly minimum air temperature, LA ROCHE SUR YON, 1991-2020 Source-backed value |
| Average temperature by month | Jan 6.1 · Feb 6.4 · Mar 8.8 · Apr 10.9 · May 14.3 · Jun 17.5 · Jul 19.4 · Aug 19.5 · Sep 16.8 · Oct 13.4 · Nov 9.2 · Dec 6.5 °C | 2026-07-311991 | Official sourceWMO Climatological Normals 1991-2020 — station LA_ROCHE_SUR_YON Source-backed value · nearest-station reading |
| Average precipitation by month | Jan 94.8 · Feb 70.5 · Mar 64.4 · Apr 65.9 · May 62.4 · Jun 45.3 · Jul 47.9 · Aug 52.1 · Sep 71.9 · Oct 98.7 · Nov 108.1 · Dec 103.5 mm | 2026-07-272020 | Official sourceMétéo-France climate normal — mean monthly precipitation, LA ROCHE SUR YON, 1991-2020 Source-backed value |
| Average sunshine by month | Jan 73.583 · Feb 106.4 · Mar 151.05 · Apr 183.633 · May 210.783 · Jun 229.017 · Jul 241.383 · Aug 235.733 · Sep 199.133 · Oct 128.767 · Nov 88.85 · Dec 74.033 hours | 2026-07-272020 | Official sourceMétéo-France climate normal — mean monthly sunshine duration, LA ROCHE SUR YON, 1991-2020 Source-backed value |
Worked out from these numbers
Arithmetic on the published values above. Each one names what it assumed.
How international is the population?
5.8% of residents hold a foreign nationality — 3,181 people of 54,849 people. This counts nationality, not place of birth, so long-settled residents who naturalised are not in it.
Common questions
Answered from the published values on this page, each with its source and date.
What is the unemployment rate in La Roche-sur-Yon?
The unemployment rate is 12.1313 %. Source: INSEE RP2022 ACT1 — population active by type of activity, commune, checked 2026-07-26.
Is the air quality good in La Roche-sur-Yon?
The annual PM2.5 mean is 7.4662 µg/m³. The WHO 2021 guideline is 5 µg/m³ and the EU limit value is 25 µg/m³, so this reading is above the WHO guideline but within the EU limit. Source: 2024 validated hourly NO2 station observations transformed to the exact INSEE commune centre by deterministic nearest-station selection and equal-weight aggregation., checked 2026-07-15.
How many people live in La Roche-sur-Yon?
The published population is 54,849 people. Source: France official denominator source, checked 2026-07-14.
How many foreign residents live in La Roche-sur-Yon?
3,181 people residents hold a foreign nationality. Source: Nationalité en 2021 — Base des tableaux détaillés — NAT1, checked 2026-07-15.
Cities of a similar size in France
Closest published populations, for a like-for-like comparison.
Sources
Spotted a number that looks wrong? Every value here carries its source and date — tell us what you found and we will re-check it against the source.