Évolution démographique du bassin d'usage

                                                                                             

Città – Comune                 anno                          anno                         anno                          anno                          anno                     anno

                                               1911                         1931                         1951                         1981                          2001                  2008

                                               abitanti                     abitanti                     abitanti                     abitanti            abitanti                       abitanti

Roma                                    518.000                   930.000                   1.651.000               2.839.000                 2.663.000                     2.724.347

Sacrofano                                 1.174                     1.287                          1.617                       3.301                        5.691                           7.119

Castel Nuovo di Porto            1.468                      1.321                            2.136                       4.371                       7.181                          8.544

Morlupo                                  2.234                      2.481                            2.978                        4.591                       6.654                          8.172

Morolo                                   3.394                      3.642                             3.453                         2.858                    3.090                            3.210

 Riano                                        843                      1.146                            1.886                        4.627                       6.486                          7.185   

Rignano Flaminio                  1.406                      1.552                              2.292                        4.507                      6.857                          8.927

Sant’Oreste                           2.309                      2.413                             2.920                        2.853                        3.536                         3.800 

Civita Castellana                  5.383                        7.624                           11.276                      15.606                     15.219                       16.722 

Fabrica di Roma                    2.582                       2.959                             3.390                        4.084                      6.654                          8.019

Corchiano                               1943                          1.943                             2.304                     2.679                      3.337                           3.742 

Vignanello                              4.311                       5.157                              5.878                        4.880                     4.705                          4.790 

Vallerano                                 1.808                        2.168                             2.537                        2.310                    2.505                          2.625 

Soriano nel Cimino                 6.871                       7.387                              8.538                         7.482                   8.185                         8.664

Vitorchiano                            2.277                         2.338                            2.372                          2.064                   3.214                           4.424 

Viterbo                                  30.801                       35.969                            44.132                      57.632                   59.308                        61.473