Evolución  Municipio  Cantabria Año Población Índice Población Indice 1900 7.777 100.0 276.003 100.0 1910 9.574 123.1 302.956 109.8 1920 12.960 166.6 327.669 118.7 1930 15.933 204.9 364.147 131.9 1940 19.315 248.4 393.710 142.6 1950 23.728 305.1 404.921 146.7 1960 31.021 398.9 432.132 156.6 1970 42.945 552.2 467.138 169.3 1981 55.786 717.3 513.115 185.9 1991 59.520 765.3 527.326 191.1 1996 58.196 748.3 527.437 191.1 2000 56.189 722.5 531.159 192.4 2001 55.477 713.3 535.131 193.9 2002 56.180 722.4 542.275 196.5 2003 56.638 728.3 549.690 199.2