The data provided here comes from a specific use of the tax files aimed at assigning to each household a precise geographical position.
The estimates are in the form of a squared dataset at 1 km. The file, originally published by INSEE in December 2016, is based on household tax returns as at 31 December 2010.
The dataset [next](https://public.opendatasoft.com/explore/dataset/200m_carreaux_metropole_shapefile_wgs84/table/) presents the same data for the population at 200 m mesh.
The squared population data are consistent with the data disseminated by the source “localised tax revenues”, but they can only provide a partial view of the population, remember that compared to the census:
* populations not referenced to the housing tax are not present: homeless people, communities;
* students are usually located at their parents’ homes;
* the concept of principal residence may be significantly different.
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