Demographics of Paris (also called the Commune or Department of Paris), Hauts-de-Seine (97) has 134,633 and Yvelines (78) and Essonne (91) has 285,890.
The city of Paris (also called the Commune or Department of Paris) had a population of 2,187,526 people within its administrative city limits as of January 1, 2017. Hauts-de-Seine (92) 250,190 Yvelines (78) 161,869 Essonne (91) 150,980 
