Median income
Highest:
- Milon-la-Chapelle — 52,650 €
- Saint-Nom-la-Bretèche — 49,520 €
- Le Vésinet — 47,830 €
INSEE Filosofi
— Department 78 · Île-de-France
259 communes · 1,485,086 inhabitants. Public indicators aggregated at department level. For a single commune analysis, click its name below.
Medians across the 259 communes of the department (source: NTYP aggregate on public data).
Median income
30,535 €
INSEE Filosofi · 2020
Real estate €/m²
3,310 €/m²
DVF + NTYP · 2025
GP access (APL)
2.3
DREES · 2024
Fiber coverage
99.5 %
ARCEP · 2025
Energy sieves
14.2 %
ADEME · 2024
Poverty rate
8 %
INSEE Filosofi · 2025
Crime per 1000
8.7 /1000
SSMSI · 2024
School IPS index
127.9
DEPP · 2023
Communes
259
INSEE
Total population
1 485 086 hab.
INSEE
Median commune population
1 302 hab.
INSEE
Small communes (<1000)
114
INSEE
Mid communes (1k–10k)
103
INSEE
Large communes (>10k)
42
INSEE
Highest:
INSEE Filosofi
Highest:
DVF + NTYP
Highest:
DREES
Highest:
ARCEP
Lowest:
ADEME
Lowest:
INSEE Filosofi
Lowest:
SSMSI
Highest:
DEPP
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