| Superficie Construida | ||||
| Decada | % Total | Top Provincial | Top Nacional* | |
| <1900 | 0.00% | <- 46º -> | <- 6947º -> | |
| 1900-1909 | 29.22% | <- 33º -> | <- 697º -> | |
| 1910-1919 | 0.94% | <- 60º -> | <- 2262º -> | |
| 1920-1929 | 9.78% | <- 48º -> | <- 828º -> | |
| 1930-1939 | 2.57% | <- 58º -> | <- 2655º -> | |
| 1940-1949 | 1.18% | <- 89º -> | <- 4732º -> | |
| 1950-1959 | 3.10% | <- 56º -> | <- 3153º -> | |
| 1960-1969 | 3.95% | <- 54º -> | <- 3179º -> | |
| 1970-1979 | 5.49% | <- 56º -> | <- 3451º -> | |
| 1980-1989 | 18.21% | <- 33º -> | <- 2015º -> | |
| 1990-1999 | 5.26% | <- 65º -> | <- 3412º -> | |
| 2000-2009 | 18.65% | <- 54º -> | <- 2301º -> | |
| 2010-2019 | 1.68% | <- 68º -> | <- 3161º -> | |
| Mapa edificaciones en otros Municipios |
| Habitantes en otros municipios | ||
| Municipio | Habitantes | Diferencia (2023) |
| Santander | 174.101 | +1.375 |
| Medio Cudeyo | 7.686 | -10 |
| Piélagos | 26.783 | +178 |
| Villacarriedo | 1.685 | +11 |
| Saro | 508 | -10 |
| Evolución de la población desde 1900 hasta 2024 | |||
| Año | Hombres | Mujeres | Total |
| 2024 | 932 | 914 | 1.846 |
| 2023 | 939 | 906 | 1.845 |
| 2022 | 932 | 917 | 1.849 |
| 2021 | 936 | 918 | 1.854 |
| 2020 | 942 | 931 | 1.873 |
| 2019 | 951 | 940 | 1.891 |
| 2018 | 947 | 944 | 1.891 |
| 2017 | 954 | 961 | 1.915 |
| 2016 | 961 | 970 | 1.931 |
| 2015 | 959 | 963 | 1.922 |
| 2014 | 993 | 997 | 1.990 |
| 2013 | 993 | 1.004 | 1.997 |
| 2012 | 1.006 | 1.003 | 2.009 |
| 2011 | 1.011 | 1.024 | 2.035 |
| 2010 | 1.012 | 1.014 | 2.026 |
| 2009 | 1.027 | 1.017 | 2.044 |
| 2008 | 1.015 | 988 | 2.003 |
| 2007 | 997 | 988 | 1.985 |
| 2006 | 1.005 | 976 | 1.981 |
| 2005 | 1.014 | 968 | 1.982 |
| 2004 | 1.010 | 973 | 1.983 |
| 2003 | 1.006 | 968 | 1.974 |
| 2002 | 1.020 | 978 | 1.998 |
| 2001 | 1.021 | 974 | 1.995 |
| 2000 | 1.024 | 986 | 2.010 |
| 1999 | 1.019 | 986 | 2.005 |
| 1998 | 990 | 973 | 1.963 |
| 1996 | 1.007 | 975 | 1.982 |
| 1995 | 1.050 | 1.019 | 2.069 |
| 1994 | 1.059 | 1.023 | 2.082 |
| 1993 | 1.052 | 1.015 | 2.067 |
| 1992 | 1.038 | 1.015 | 2.053 |
| 1991 | 1.042 | 1.013 | 2.055 |
| 1990 | 1.063 | 1.023 | 2.086 |
| 1989 | 1.064 | 1.010 | 2.074 |
| 1988 | 1.051 | 1.012 | 2.063 |
| 1987 | 1.046 | 1.008 | 2.054 |
| 1986 | 1.025 | 995 | 2.020 |
| 1981 | 0 | 0 | 1.821 |
| 1970 | 0 | 0 | 2.019 |
| 1960 | 0 | 0 | 1.983 |
| 1950 | 0 | 0 | 2.043 |
| 1940 | 0 | 0 | 2.091 |
| 1930 | 0 | 0 | 2.046 |
| 1920 | 0 | 0 | 2.150 |
| 1910 | 0 | 0 | 1.855 |
| 1900 | 0 | 0 | 1.937 |
| Poblacion Estacional Máxima | |||
| Año | Personas | ||
| 2015 | 2.585 | ||
| 2014 | 2.585 | ||
| 2013 | 2.585 | ||
| 2012 | 2.585 | ||
| 2011 | 2.585 | ||
| 2010 | 2.585 | ||
| 2009 | 2.585 | ||
| 2008 | 2.585 | ||
| 2005 | 2.585 | ||
| 2000 | 2.000 | ||
| | |
| Estructura en otros Municipios |
| | |
| | |
| Habitantes segun Pais de Nacimiento | |||
| Pais | 2022 | Dif (2021) | |
| Francia | 3 | -1 | |
| Italia | 1 | 0 | |
| Reino Unido | 3 | 2 | |
| Alemania | 3 | 1 | |
| Rumanía | 2 | -1 | |
| Ucrania | 2 | 1 | |
| Rusia | 3 | 1 | |
| Senegal | 1 | 0 | |
| Cuba | 4 | 0 | |
| República Dominicana | 4 | 1 | |
| Argentina | 1 | 0 | |
| Bolivia | 1 | 1 | |
| Brasil | 6 | 1 | |
| Colombia | 10 | 0 | |
| Chile | 2 | 1 | |
| Ecuador | 7 | 1 | |
| Paraguay | 3 | -1 | |
| Perú | 5 | 2 | |
| Uruguay | 3 | 0 | |
| Venezuela | 1 | -1 | |
| China | 3 | 0 | |
| Otros | 4 | 1 | |
| | |
| Top Municipal % Habitantes nacidos en otro pais | |||
| Provincia | Municipio | Pos | % |
| Asturias | Parres | 2.963 | 9,73 |
| Cantabria | Villacarriedo | 5.149 | 5,18 |
| Cantabria | Penagos | 5.537 | 4,53 |
| Cantabria | San Pedro del Romeral | 5.784 | 4,13 |
| Valladolid | Bocigas | 5.922 | 3,90 |
| Cantabria | Selaya | 5.923 | 3,89 |
| Salamanca | Valdecarros | 5.924 | 3,89 |
| Cantabria | Vega de Pas | 6.334 | 3,29 |
| Cantabria | Saro | 6.601 | 2,88 |
| Cantabria | San Roque de Riomiera | 6.922 | 2,37 |
| | |
| Pirámide en otros Municipios |
| Población de Selaya por sexo y edad 2024 (grupos quinquenales) | |||
| Edad | Hombres | Mujeres | Total |
| 0-5 | 32 | 24 | 56 |
| 5-10 | 40 | 28 | 68 |
| 10-15 | 38 | 38 | 76 |
| 15-20 | 31 | 30 | 61 |
| 20-25 | 40 | 44 | 84 |
| 25-30 | 35 | 44 | 79 |
| 30-35 | 38 | 54 | 92 |
| 35-40 | 67 | 57 | 124 |
| 40-45 | 80 | 59 | 139 |
| 45-50 | 69 | 67 | 136 |
| 50-55 | 65 | 73 | 138 |
| 55-60 | 73 | 73 | 146 |
| 60-65 | 88 | 76 | 164 |
| 65-70 | 61 | 59 | 120 |
| 70-75 | 61 | 53 | 114 |
| 75-80 | 50 | 46 | 96 |
| 80-85 | 38 | 37 | 75 |
| 85- | 26 | 55 | 81 |
| Total | 932 | 917 | 1.849 |
| | |
| | |
| Evolución Nacimientos y Defunciones desde 1996 hasta 2023 | |||
| Año | Nacimientos | Fallecidos | Diferencia |
| 2023 | 11 | 25 | -14 |
| 2022 | 17 | 28 | -11 |
| 2021 | 8 | 17 | -9 |
| 2020 | 13 | 26 | -13 |
| 2019 | 8 | 22 | -14 |
| 2018 | 10 | 23 | -13 |
| 2017 | 18 | 27 | -9 |
| 2016 | 10 | 32 | -22 |
| 2015 | 14 | 24 | -10 |
| 2014 | 15 | 25 | -10 |
| 2013 | 17 | 22 | -5 |
| 2012 | 20 | 31 | -11 |
| 2011 | 18 | 23 | -5 |
| 2010 | 14 | 16 | -2 |
| 2009 | 9 | 13 | -4 |
| 2008 | 18 | 13 | 5 |
| 2007 | 12 | 16 | -4 |
| 2006 | 10 | 23 | -13 |
| 2005 | 10 | 22 | -12 |
| 2004 | 14 | 26 | -12 |
| 2003 | 13 | 25 | -12 |
| 2002 | 19 | 25 | -6 |
| 2001 | 13 | 25 | -12 |
| 2000 | 10 | 17 | -7 |
| 1999 | 20 | 18 | 2 |
| 1998 | 9 | 21 | -12 |
| 1997 | 18 | 24 | -6 |
| 1996 | 20 | 16 | 4 |
| | |
| Evolución Matrimonios desde 1996 hasta 2023 | |
| Año | Matrimonios |
| 2023 | 4 |
| 2022 | 7 |
| 2021 | 9 |
| 2020 | 0 |
| 2019 | 10 |
| 2018 | 7 |
| 2017 | 7 |
| 2016 | 6 |
| 2015 | 9 |
| 2014 | 3 |
| 2013 | 6 |
| 2012 | 8 |
| 2011 | 7 |
| 2010 | 11 |
| 2009 | 15 |
| 2008 | 6 |
| 2007 | 8 |
| 2006 | 12 |
| 2005 | 4 |
| 2004 | 5 |
| 2003 | 8 |
| 2002 | 9 |
| 2001 | 6 |
| 2000 | 4 |
| 1999 | 4 |
| 1998 | 3 |
| 1997 | 6 |
| 1996 | 3 |
| | |
| | |
| Evolución de la Renta Media en Selaya | ||||
| Año | Renta Bruta | Var | Renta Dispo | Var |
| 2019 | 20.305€ | 896€ (4,41%) | 17.337€ | 746€ (4,30%) |
| 2018 | 19.409€ | -1.666€ (-8,58%) | 16.591€ | -1.185€ (-7,14%) |
| 2017 | 21.075€ | 2.654€ (12,59%) | 17.776€ | 2.004€ (11,27%) |
| 2016 | 18.421€ | 939€ (5,10%) | 15.772€ | 781€ (4,95%) |
| 2015 | 17.482€ | -730€ (-4,18%) | 14.991€ | -400€ (-2,67%) |
| 2014 | 18.212€ | 157€ (0,86%) | 15.391€ | 131€ (0,85%) |
| 2013 | 18.055€ | 0€ (0,00%) | 15.260€ | 0€ (0,00%) |
| Renta Municipios Cercanos | ||||
| Municipio | Renta Bruta | Pos Prov | Pos Comu | Pos Naci |
| Santander (Cantabria) | 30.469€ | 3 | 3 | 364 |
| Piélagos (Cantabria) | 29.243€ | 5 | 5 | 497 |
| Medio Cudeyo (Cantabria) | 25.080€ | 25 | 25 | 1254 |
| Abarca de Campos (Palencia) | 20.306€ | 48 | 498 | 2908 |
| Selaya (Cantabria) | 20.305€ | 70 | 70 | 2909 |
| Osorno la Mayor (Palencia) | 20.301€ | 49 | 499 | 2910 |
| Saro (Cantabria) | 20.122€ | 74 | 74 | 3010 |
| Villacarriedo (Cantabria) | 19.573€ | 77 | 77 | 3296 |
| Liquidación IPRF vs Presupuesto Ayuntamiento | |||
| Municipio | Liquidación | Capitulo 4 y 7 Presupuesto | % |
| Santander (Cantabria) | 401.601.585€ | 53.348.486€ | 13,28 % |
| Piélagos (Cantabria) | 56.035.768€ | 7.720.488€ | 13,78 % |
| Medio Cudeyo (Cantabria) | 11.553.913€ | 1.900.000€ | 16,44 % |
| Abarca de Campos (Palencia) | 93.319€ | 49.863€ | 53,43 % |
| Selaya (Cantabria) | 1.918.356€ | 937.710€ | 48,88 % |
| Osorno la Mayor (Palencia) | 1.251.962€ | 484.040€ | 38,66 % |
| Saro (Cantabria) | 485.339€ | 363.894€ | 74,98 % |
| Villacarriedo (Cantabria) | 1.365.002€ | 693.859€ | 50,83 % |
| Indicadores en otros municipios | ||
| Municipio | Gini | Ratio 80/20 |
| Santander | 33.40 | 2.90 |
| Medio Cudeyo | 28.40 | 2.40 |
| Piélagos | 29.10 | 2.40 |
| Villacarriedo | 26.30 | 2.30 |
| Saro | 24.30 | 2.20 |
| Precio de la vivienda en otros Municipios |
| | |
| Agosto 2025 | Total Afiliados | Variacion | |||
| Mensual | Anual | ||||
| Absoluta | Relativa | Absoluta | Relativa | ||
| Total | 449 | -2 | -0.44 % | -13 | -2.81 % |
| REGIMEN: | |||||
| GENERAL | 194 | -1 | -0.51 % | -4 | -2.02 % |
| AUTONOMOS | 247 | -1 | -0.40 % | -8 | -3.14 % |
| AGRARIO | 0 | 0 | 0 % | 0 | 0 % |
| HOGAR | 7 | 0 | 0 % | -1 | -12.50 % |
| MAR | 0 | 0 | 0 % | 0 | 0 % |
| CARBON | 0 | 0 | 0 % | 0 | 0 % |
| Afiliación en otros municipios | ||
| Municipio | Afiliados | Dif. Mes Ant. |
| Santander | 100.361 | 150 |
| Medio Cudeyo | 4.841 | -37 |
| Piélagos | 4.941 | -43 |
| Villacarriedo | 695 | -4 |
| Saro | 82 | 2 |
| | |
| Agosto 2025 | Total Parados | Variacion | |||
| Mensual | Anual | ||||
| Absoluta | Relativa | Absoluta | Relativa | ||
| Total | 88 | -3 | -3.30 % | -8 | -8.33 % |
| HOMBRES | 29 | -2 | -6.45 % | -12 | -29.27 % |
| MUJERES | 56 | +1 | 1.82 % | +4 | 7.69 % |
| MENORES DE 25 AÑOS: | 0 | 0 | 0 % | 0 | 0 % |
| HOMBRES | 0 | 0 | 0 % | 0 | 0 % |
| MUJERES | 0 | 0 | 0 % | 0 | 0 % |
| ENTRE 25 Y 44 AÑOS | 34 | +2 | 6.25 % | -7 | -17.07 % |
| HOMBRES | 10 | +183 | 1,663.64 % | -9 | -47.37 % |
| MUJERES | 24 | +3 | 14.29 % | +2 | 9.09 % |
| MAYORES DE 45 AÑOS | 51 | -3 | -5.56 % | -1 | -1.92 % |
| HOMBRES | 19 | -1 | -5.00 % | -3 | -13.64 % |
| MUJERES | 32 | -2 | -5.88 % | +2 | 6.67 % |
| SECTOR: | |||||
| AGRICULTURA | 0 | 0 | 0 % | -5 | -100.00 % |
| INDUSTRIA | 6 | +1 | 20.00 % | +6 | 100.00 % |
| CONSTRUCCIÓN | 0 | 0 | 0 % | 0 | 0 % |
| SERVICIOS | 70 | -2 | -2.78 % | -11 | -13.58 % |
| SIN EMPLEO ANTERIOR | 6 | -1 | -14.29 % | +6 | 100.00 % |
| | |
| Estadísticas turísticas en otros municipios | |||
| Municipio | Total Turistas Diciembre 2024 | Diferencia Diciembre 2023 | Top |
| Santander | 67.127 | +3.631 (5,7%) | 36 |
| Medio Cudeyo | 2.358 | -520 (-18,1%) | 1.200 |
| Piélagos | 5.908 | +300 (5,3%) | 496 |
| Villacarriedo | 993 | +423 (74,2%) | 2.433 |
| Saro | 207 | +119 (135,2%) | 5.135 |
| | |
| Matriculaciones | Mayo 2024 | Mayo 2023 | 12 Meses Interanual | 12 Meses Anteriores | ||||
| Mat | Dif | % | Mat | Dif | % | |||
| TOTAL | 1 | 1 | 0 | 0.00 % | 19 | 23 | -4 | -17.39 % |
| TURISMOS | 1 | 1 | 0 | 0.00 % | 11 | 17 | -6 | -35.29 % |
| CAMIONES | 0 | 0 | 0 | 0.00 % | 2 | 1 | +1 | 100.00 % |
| AUTOBUSES | 0 | 0 | 0 | 0.00 % | 0 | 0 | 0 | 0.00 % |
| CAMIONETAS | 0 | 0 | 0 | 0.00 % | 0 | 0 | 0 | 0.00 % |
| TRACTORES | 0 | 0 | 0 | 0.00 % | 0 | 0 | 0 | 0.00 % |
| MOTOCICLETAS | 0 | 0 | 0 | 0.00 % | 2 | 2 | 0 | 0.00 % |
| CICLOMOTORES | 0 | 0 | 0 | 0.00 % | 0 | 1 | -1 | -100.00 % |
| OTROS | 0 | 0 | 0 | 0.00 % | 4 | 2 | +2 | 100.00 % |
| Matriculaciones en otros municipios | ||
| Municipio | Matriculaciones Mayo 2024 | Diferencia Mayo 2023 |
| Santander | 317 | -88 (-21.73%) |
| Medio Cudeyo | 9 | -7 (-43.75%) |
| Piélagos | 53 | +2 (3.92%) |
| Villacarriedo | 2 | -1 (-33.33%) |
| Saro | 1 | +1 (100.00%) |
| | |