— Grand Est · Haut-Rhin · 12,057 inhabitants

Cernay

Public indicators aggregated at commune level: housing market, services, safety, environment. Official sources, updated as of May 2026.

Cernay in numbers

Synthetic indicators. Sourced thematic detail below.

  • Energy-sieve homes (EPC F or G)

    6 %

    share of poorly-insulated private homes

    ADEME · 2024

    Rank 66 of 356 communes in the Haut-Rhin département

  • GP access (APL)

    4,0 c/an/hab

    DREES index — under-served threshold = 2.5

    DREES · 2024

    Rank 64 of 366 communes in the Haut-Rhin département

  • Fiber rollout

    87 %

    fiber-eligible homes

    ARCEP · 2025

    Rank 326 of 366 communes in the Haut-Rhin département

  • Average social index of public schools

    92

    DEPP index — national median = 100 ; favored >115, disadvantaged <85

    DEPP · 2023

    Rank 219 of 232 communes in the Haut-Rhin département

  • Recorded crime

    41,6 / 1 000 hab/an

    offences recorded by law enforcement

    SSMSI · 2024

    Rank 358 of 366 communes in the Haut-Rhin département

  • PFAS in tap water

    0,013 µg/L

    EU threshold 0.1 µg/L (directive 2020/2184)

    SISE-Eaux ARS · 2025

    Rank 202 of 218 communes in the Haut-Rhin département

  • Water hardness

    9 °f

    soft <15, medium 15-30, hard 30-40, very hard >40

    SISE-Eaux ARS · 2025

    Rank 75 of 200 communes in the Haut-Rhin département

  • Median disposable income

    20 970 €/UC/an

    per consumption unit

    Filosofi — INSEE · 2020

    Rank 351 of 363 communes in the Haut-Rhin département

  • Poverty rate

    15,0 %

    households below the monetary poverty line

    Filosofi — INSEE · 2025

    Rank 38 of 49 communes in the Haut-Rhin département

  • Population change

    +1,1 % / 5 ans

    cumulative variation INSEE census (2017→2022)

    INSEE RP · 2025

    Rank 159 of 366 communes in the Haut-Rhin département

Housing market in Cernay

Apartment rent

12,2 €/m²/mois

Median rent per m² observed by ANIL observatories. Compare with purchase price for gross rental yield.

Source: ANIL Observatoires des loyers · 2025 — indicative

Thermal sieves (DPE F/G)

6 %

Share of homes labelled F or G in the surveyed stock (French median ≈ 18%). Climate Act: rental ban for G in 2025, F in 2028, E in 2034.

Source: ADEME Observatoire DPE · 2024

Services and quality of life in Cernay

GP accessibility

4,01

consultations / year / inhabitant

DREES APL indicator — French median ≈ 3.5. Tension threshold at 2.5: below this level, the commune is a medical desert.

Source: DREES Indicateur APL · 2024

Public school social index

92

Weighted average Social Position Index (DEPP). French median ≈ 102. Sociological reading, not pedagogical quality.

Source: DEPP IPS écoles · 2023

Fibre coverage (FttH)

87 %

Share of premises reachable by optical fibre (ARCEP). French median ≈ 75%. Tenant-attraction lever and near-mandatory residential criterion in 2026.

Source: ARCEP Observatoire fibre · 2025

Safety and risks in Cernay

Recorded crime

42

per 1,000 inhabitants

Offences recorded by police/gendarmerie (French median ≈ 35). Includes property, personal and drug offences. Honest reading: compare to neighbouring communes.

Source: SSMSI — Ministère de l'Intérieur · 2024

Classified facilities

3 · 13,3 %

Seveso · ICPE

Share of commune area covered by classified facilities for environmental protection (DGPR). Seveso = major industrial risk, ICPE = facilities subject to authorisation/registration.

Source: DGPR Géorisques · 2025

Flood prevention plan (PPRi)

100 %

of territory under PPRi

Commune area covered by a PPRi. Consequences: mandatory Buyer/Tenant Information (IAL), permit restrictions, home insurance surcharge.

Source: Géorisques PPRi · 2025

Environment and health in Cernay

PFAS in tap water

0,013 µg/L

Sum of detected PFAS (French median ≈ 0.02 µg/L). 2026 European threshold: 0.10 µg/L per molecule, 0.50 µg/L for the sum of 20 monitored PFAS.

Source: ARS — SISE-Eaux · 2025

Water hardness

9 °f

Hydrotimetric titre (French median ≈ 22 °f). Below 15 = soft ; 22-32 = hard ; above = very hard (scaling, energy overconsumption).

Source: ARS — SISE-Eaux · 2025

Agricultural pesticides (dept)

6,7 kg/ha

Phytosanitary sales per cultivated hectare at département level (French median ≈ 1.2 kg/ha). Exposure indicator for residents.

Source: BNV-D (OFB) · 2023

Solar potential

1389 kWh/m²/an

Annual horizontal solar irradiation (PVGIS). French median ≈ 1,320 kWh/m²/year. Above 1,500 = very favourable (8-10 year ROI for panels), below 1,100 = longer ROI (12-15 years). MaPrimeRénov subsidy + self-consumption available.

Source: PVGIS European Commission · 2020

Cernay preview

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