Population of Yvelines département, France
Population of Yvelines département, France stood at 1,514,418 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 | |||||||||||
| 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 | |
| Deux-Sèvres | 374,788 | 374,840 | 375,205 | 375,229 | 375,415 | 374,587 | 374,481 | 374,878 | 374,799 | 374,351 |
Understanding population of Yvelines département, France
Counting individuals whose primary legal residence is registered inside Yvelines involves compiling administrative files from local civil registries and multi-year census surveys conducted across all participating communes. The metric includes all permanent inhabitants regardless of nationality, provided their main domicile sits within these municipal boundaries, while leaving out individuals temporarily lodging or maintaining secondary residences used only during weekends or holidays. This series contrasts with national aggregates by capturing suburban demographic pressures, commuter dynamics, and housing market shifts distinct from rural or heavily industrial zones.
Evaluating this time series necessitates understanding that annual releases incorporate updated housing registry matching, which can introduce minor technical breaks when municipal boundaries or administrative classifications shift. Analysts should prioritize year-on-year evaluations over sequential periods to avoid misinterpreting routine administrative processing delays as sudden demographic acceleration. Comparing this territory against denser urban cores requires normalizing the figures by land area, as raw headcounts obscure stark variations in housing density and municipal zoning policies across communes.
Frequently asked questions
- Does this series include individuals who own a secondary home in Yvelines?
- No, secondary homeowners are counted only in the municipality of their primary legal residence.
- How frequently are the raw source counts updated for this department?
- The data updates annually through a combination of rolling municipal surveys and administrative registry reconciliations.
- Are foreign nationals living permanently in Yvelines included in the total?
- Foreign residents holding legal primary domicile within the departmental boundaries are fully counted in the population tally.