Datos relativos al referéndum sobre la Constitución Europea 2005
Número definitivo de electores por provincias y tipo de elector.
Unidades: electores

,Españoles residentes en España,Españoles residentes en el extranjero,Total,
TOTAL,33.562.329,1.130.162,34.692.491,
Álava,244.239,3.161,247.400,
Albacete,294.538,5.151,299.689,
Alicante/Alacant,1.148.414,17.138,1.165.552,
Almería,413.032,19.911,432.943,
Ávila,138.491,5.155,143.646,
Badajoz,530.183,8.903,539.086,
Balears (Illes),680.078,9.948,690.026,
Barcelona,3.922.465,79.906,4.002.371,
Burgos,293.509,9.466,302.975,
Cáceres,335.371,11.487,346.858,
Cádiz,918.618,17.828,936.446,
Castellón/Castelló,399.077,4.373,403.450,
Ciudad Real,389.535,4.039,393.574,
Córdoba,621.636,13.542,635.178,
Coruña (A),948.088,110.487,1.058.575,
Cuenca,162.615,2.228,164.843,
Girona,469.576,7.595,477.171,
Granada,673.761,26.035,699.796,
Guadalajara,153.343,1.941,155.284,
Guipúzcoa,566.485,14.097,580.582,
Huelva,375.810,4.922,380.732,
Huesca,172.671,4.233,176.904,
Jaén,518.707,8.271,526.978,
León,420.211,29.667,449.878,
Lleida,301.436,10.454,311.890,
Rioja (La),228.831,7.028,235.859,
Lugo,308.748,38.685,347.433,
Madrid,4.320.261,143.011,4.463.272,
Málaga,1.020.637,26.187,1.046.824,
Murcia,930.327,17.272,947.599,
Navarra,454.352,13.003,467.355,
Ourense,287.542,68.095,355.637,
Asturias,924.060,62.155,986.215,
Palencia,147.286,4.713,151.999,
Palmas (Las),727.416,14.000,741.416,
Pontevedra,765.781,89.666,855.447,
Salamanca,293.021,19.409,312.430,
S.C. Tenerife,685.540,46.390,731.930,
Cantabria,463.040,18.143,481.183,
Segovia,122.303,2.155,124.458,
Sevilla,1.421.343,19.771,1.441.114,
Soria,75.274,3.006,78.280,
Tarragona,514.753,8.173,522.926,
Teruel,112.341,3.256,115.597,
Toledo,452.153,5.982,458.135,
Valencia/València,1.856.439,32.348,1.888.787,
Valladolid,424.818,7.481,432.299,
Vizcaya,949.495,21.025,970.520,
Zamora,169.905,11.621,181.526,
Zaragoza,713.744,12.667,726.411,
Ceuta,54.595,2.086,56.681,
Melilla,46.435,2.896,49.331,
Notas:
Fuente: Instituto Nacional de Estadística