| 
               Einwohnerzahlen – Alsum und Schwelgern 
              
                
                  | Jahr | 
                  Einwohner | 
                 
                
                  | 1660 | 
                  222 | 
                    | 
                 
                
                  | 1787 | 
                  239 | 
                    | 
                 
                
                  | 1788 | 
                    241 | 
                    | 
                 
                
                  | 1816 | 
                  354 | 
                    | 
                 
                
                  | 1818 | 
                  354 | 
                    | 
                 
                
                  | 1822 | 
                  365 | 
                    | 
                 
                
                  | 1832 | 
                  336 | 
                    | 
                 
                
                  | 1843 | 
                  374 | 
                    | 
                 
                
                  | 1845 | 
                  381 | 
                    | 
                 
                
                  | 1846 | 
                  376 | 
                    | 
                 
                
                  | 1849 | 
                  355 | 
                    | 
                 
                
                  | 1852 | 
                  370 | 
                    | 
                 
                
                  | 1855 | 
                  379 | 
                    | 
                 
                
                  | 1858 | 
                  414 | 
                    | 
                 
                
                  | 1867 | 
                  396 | 
                    | 
                 
                
                  | 1871 | 
                  386 | 
                    | 
                 
                
                  | 1875 | 
                  410 | 
                    | 
                 
                
                  | 1880 | 
                  442 | 
                    | 
                 
                
                  | 1885 | 
                  474 | 
                    | 
                 
                
                  | 1890 | 
                  485 | 
                    | 
                 
                
                  | 1895 | 
                  499 | 
                    | 
                 
                
                  | 1898 | 
                  724 | 
                    | 
                 
                
                  | 1899 | 
                  948 | 
                    | 
                 
                
                  | 1900 | 
                  739 | 
                    | 
                 
                
                  | 1901 | 
                  921 | 
                    | 
                 
                
                  | 1902 | 
                  1079 | 
                    | 
                 
                
                  | 1903 | 
                  1206 | 
                    | 
                 
                
                  | 1904 | 
                  1344 | 
                    | 
                 
                
                  | 1905 | 
                  1741 | 
                    | 
                 
                
                  | 1910 | 
                  2786 | 
                    | 
                 
                
                  | 1911 | 
                  2959 | 
                    | 
                 
                
                  | 1925 | 
                  3101 | 
                    | 
                 
                
                  | 1929 | 
                  3141 | 
                    | 
                 
                
                  | 1933 | 
                  3360 | 
                     | 
                 
                
                  | 1939 | 
                  3262 | 
                    | 
                 
                
                  | 1950 | 
                  1580 | 
                    | 
                 
                
                  | 1952 | 
                  1471 | 
                    | 
                 
                
                  | 1956 | 
                  1293 | 
                    | 
                 
                
                  | 1962 | 
                  744 | 
                    | 
                 
                
                  | 1964 | 
                  155 | 
                    | 
                 
               
             |