Population of Seine-et-Marne, France
Population of Seine-et-Marne, France stood at 1,502,094 persons in 2026, according to INSEE – Institut national de la statistique et des études économiques (BDM). It is one of the indicators in the Population and demography table (Value · Annual), with a complete series running from 1975 to 2026. The complete series with an interactive chart, free to download.
This indicator in the Population and demography table
| Indicator | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Departments | |||||||||||
| Seine-et-Marne | 1,502,094 | 1,490,900 | 1,479,706 | 1,468,108 | 1,452,399 | 1,438,100 | 1,428,636 | 1,421,197 | 1,412,516 | 1,403,997 | |
| Yvelines | 1,514,418 | 1,504,565 | 1,495,123 | 1,485,086 | 1,470,778 | 1,456,365 | 1,449,723 | 1,448,207 | 1,441,398 | 1,438,266 |
Understanding population of Seine-et-Marne, France
Demographic accounting for Seine-et-Marne aggregates the total volume of individuals whose primary legal residence is officially established within its territorial borders. This departmental measure separates local inhabitants from those in adjacent jurisdictions by tracking legal domicile through administrative registries and civil status files. Temporary occupants, visitors, and non-resident property owners are strictly excluded from the resident tally.
Interpretation requires acknowledging that preliminary figures are subject to subsequent administrative revisions as complete registry data is reconciled. Long-term comparisons remain the most reliable method for assessing demographic trajectory, minimizing the impact of minor reporting delays. Analysts should exercise caution when comparing this large territorial unit with smaller administrative entities, as differences in geographic span influence overall population distribution metrics.
Frequently asked questions
- Does this count include individuals owning secondary properties in the department?
- Secondary homeowners are excluded unless their primary legal residence is officially registered at that address.
- What timeframe is recommended for evaluating population changes in this series?
- Annual comparisons provide a stable framework, filtering out temporary administrative registration delays.
- How do revisions impact the interpretation of early estimates?
- Initial figures are provisional and are later updated when exhaustive administrative matching concludes.