— Department 77 · Île-de-France

Seine-et-Marne

507 communes · 1,468,108 inhabitants. Public indicators aggregated at department level. For a single commune analysis, click its name below.

Seine-et-Marne in numbers

Medians across the 507 communes of the department (source: NTYP aggregate on public data).

  • Median income

    25,345

    INSEE Filosofi · 2020

  • Real estate €/m²

    2,609 €/m²

    DVF + NTYP · 2025

  • GP access (APL)

    2.1

    DREES · 2024

  • Fiber coverage

    97.6 %

    ARCEP · 2025

  • Energy sieves

    16.4 %

    ADEME · 2024

  • Poverty rate

    10 %

    INSEE Filosofi · 2025

  • Crime per 1000

    0 /1000

    SSMSI · 2024

  • School IPS index

    110.1

    DEPP · 2023

Department overview

  • Communes

    507

    INSEE

  • Total population

    1 468 108 hab.

    INSEE

  • Median commune population

    848 hab.

    INSEE

  • Small communes (<1000)

    279

    INSEE

  • Mid communes (1k–10k)

    190

    INSEE

  • Large communes (>10k)

    38

    INSEE

Notable communes — Seine-et-Marne

Communes of Seine-et-Marne

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