Population of Oise département, France
Population of Oise département, France stood at 826,785 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 | |||||||||||
| Oise | 826,785 | 827,928 | 828,901 | 829,899 | 830,725 | 828,838 | 829,699 | 829,419 | 827,153 | 824,503 | |
| Orne | 271,549 | 272,627 | 273,958 | 275,201 | 276,144 | 276,973 | 278,475 | 279,942 | 281,593 | 283,372 |
Understanding population of Oise département, France
This departmental series compiles the complete count of individuals whose primary legal residence is established within Oise, isolating this specific jurisdiction from wider regional and national totals. The calculation relies on civil status records, local administrative databases, and housing registries to enumerate all permanent inhabitants residing within the designated boundaries. It excludes transient populations, tourists, and cross-border commuters who maintain their primary legal domicile outside the département. This focused approach allows researchers to evaluate local demographic trends independently of broader nationwide movements.
Evaluating this dataset requires an understanding of the continuous survey methodology used to compile local demographic data over multi-year cycles. Initial estimates published for the most recent periods are considered provisional and frequently undergo revision when benchmark administrative datasets are fully processed. Analysts examining growth patterns should rely on year-on-year comparisons to smooth out collection anomalies, remaining vigilant regarding any municipal reclassifications or boundary adjustments that could disrupt the consistency of long-term trend analysis.
Frequently asked questions
- What distinguishes this departmental count from national population totals?
- This series restricts its scope exclusively to individuals legally domiciled within the specific département, omitting all other areas.
- Are military personnel stationed within the département included in the resident count?
- Military personnel are generally included if their primary legal residence and administrative domicile are established within the departmental boundaries.
- How does the timing of administrative data releases affect these population figures?
- Lagged availability of housing and tax register data means early estimates must rely on statistical projections that are later revised.