Changes in the population of the 12 municipalities by age group between 2015 and 2021

Population evolution in the 12 communes of Saint-Quentin-en-Yvelines The population census makes it possible to know the diversity and evolution of the population of France. INSEE thus provides statistics on inhabitants and dwellings, their number and characteristics: breakdown by sex and age, occupations, housing conditions, modes of transport, commuting, etc. For more information on the variables, you can consult the definitions by clicking on this [link](https://www.insee.fr/en/information/2383278#def_A) For more methodological information, you can consult the factsheets "Tips for the use of census results" by clicking on this [link](https://www.insee.fr/en/information/2383177) For more information on the use of the data, you can consult this [document](https://www.insee.fr/en/information/2383177)