Data / Rankings / Social Security affiliates / Municipalities in Barcelona province
Municipalities in Barcelona province by social Security affiliates
Barcelona had the highest social Security affiliates of 311 municipalities in December 2025, at 757,245. Sant Jaume de Frontanyà had the lowest, at 10. The median was 1,610. Source: the Institut d'Estadística de Catalunya.
Median 1,610 311 municipalities
Barcelona Barcelona: 757,245 persons 757,245 L'Hospitalet de Llobregat L'Hospitalet de Llobregat: 124,800 persons 124,800 Terrassa Terrassa: 104,220 persons 104,220 Sabadell Sabadell: 99,375 persons 99,375 Badalona Badalona: 98,800 persons 98,800 Mataró Mataró: 56,905 persons 56,905 Santa Coloma de Gramenet Santa Coloma de Gramenet: 51,145 persons 51,145 Sant Cugat del Vallès Sant Cugat del Vallès: 44,350 persons 44,350 Cornellà de Llobregat Cornellà de Llobregat: 41,495 persons 41,495 Sant Boi de Llobregat Sant Boi de Llobregat: 38,165 persons 38,165 Rubí Rubí: 37,070 persons 37,070 Manresa Manresa: 32,685 persons 32,685 Viladecans Viladecans: 32,280 persons 32,280 Castelldefels Castelldefels: 30,535 persons 30,535 Vilanova i la Geltrú Vilanova i la Geltrú: 30,480 persons 30,480 El Prat de Llobregat El Prat de Llobregat: 29,490 persons 29,490 Granollers Granollers: 28,980 persons 28,980 Cerdanyola del Vallès Cerdanyola del Vallès: 25,885 persons 25,885 Mollet del Vallès Mollet del Vallès: 23,570 persons 23,570 Vic Vic: 23,165 persons 23,165 Sant Feliu de Llobregat Sant Feliu de Llobregat: 21,370 persons 21,370 Gavà Gavà: 21,245 persons 21,245 Esplugues de Llobregat Esplugues de Llobregat: 20,435 persons 20,435 Vilafranca del Penedès Vilafranca del Penedès: 18,515 persons 18,515 Ripollet Ripollet: 18,225 persons 18,225 Igualada Igualada: 17,505 persons 17,505 Sant Joan Despí Sant Joan Despí: 17,075 persons 17,075 Montcada i Reixac Montcada i Reixac: 16,990 persons 16,990 Sant Adrià de Besòs Sant Adrià de Besòs: 16,055 persons 16,055 Barberà del Vallès Barberà del Vallès: 15,550 persons 15,550 Sant Pere de Ribes Sant Pere de Ribes: 14,125 persons 14,125 Sitges Sitges: 13,005 persons 13,005 Molins de Rei Molins de Rei: 12,995 persons 12,995 Sant Vicenç dels Horts Sant Vicenç dels Horts: 12,830 persons 12,830 Premià de Mar Premià de Mar: 12,765 persons 12,765 Martorell Martorell: 12,700 persons 12,700 Sant Andreu de la Barca Sant Andreu de la Barca: 12,335 persons 12,335 Castellar del Vallès Castellar del Vallès: 12,195 persons 12,195 Santa Perpètua de Mogoda Santa Perpètua de Mogoda: 12,040 persons 12,040 El Masnou El Masnou: 11,335 persons 11,335 persons. Source: Idescat . Retrieved 2026-10-07. Full ranking Rank Municipalities December 2025persons Change on December 2024 1 Barcelona 757,245 +1% 2 L'Hospitalet de Llobregat 124,800 +2.8% 3 Terrassa 104,220 +2.3% 4 Sabadell 99,375 +2.9% 5 Badalona 98,800 +1.8% 6 Mataró 56,905 +1.7% 7 Santa Coloma de Gramenet 51,145 +2.3% 8 Sant Cugat del Vallès 44,350 +0.7% 9 Cornellà de Llobregat 41,495 +2.6% 10 Sant Boi de Llobregat 38,165 +2.1% 11 Rubí 37,070 +1.9% 12 Manresa 32,685 +3.2% 13 Viladecans 32,280 +3.1% 14 Castelldefels 30,535 +0.6% 15 Vilanova i la Geltrú 30,480 +3.2% 16 El Prat de Llobregat 29,490 +1.8% 17 Granollers 28,980 +2.6% 18 Cerdanyola del Vallès 25,885 +0.9% 19 Mollet del Vallès 23,570 +2.1% 20 Vic 23,165 +2.4% 21 Sant Feliu de Llobregat 21,370 +1.6% 22 Gavà 21,245 +1.1% 23 Esplugues de Llobregat 20,435 +2.4% 24 Vilafranca del Penedès 18,515 +2.6% 25 Ripollet 18,225 +2.1% 26 Igualada 17,505 +1.7% 27 Sant Joan Despí 17,075 +1.5% 28 Montcada i Reixac 16,990 +2.1% 29 Sant Adrià de Besòs 16,055 +1.5% 30 Barberà del Vallès 15,550 +1.7% 31 Sant Pere de Ribes 14,125 +1.6% 32 Sitges 13,005 +0.9% 33 Molins de Rei 12,995 +1.6% 34 Sant Vicenç dels Horts 12,830 +1.7% 35 Premià de Mar 12,765 +0.9% 36 Martorell 12,700 +3.3% 37 Sant Andreu de la Barca 12,335 +0.7% 38 Castellar del Vallès 12,195 +1.6% 39 Santa Perpètua de Mogoda 12,040 +2% 40 El Masnou 11,335 +1.9% 41 Olesa de Montserrat 11,305 +2.3% 42 Pineda de Mar 11,210 +2.6% 43 Esparreguera 10,305 +2.5% 44 Les Franqueses del Vallès 9,835 +2.9% 45 Sant Quirze del Vallès 9,410 +0.7% 46 Sant Just Desvern 9,350 -0.1% 47 Vilassar de Mar 9,315 -0.2% 48 Parets del Vallès 8,970 +1% 49 Cardedeu 8,915 +2.2% 50 Caldes de Montbui 8,800 +1.9% 51 Manlleu 8,675 +2.3% 52 Sant Celoni 8,355 +1.8% 53 La Garriga 8,240 +1.5% 54 Lliçà d'Amunt 8,140 +1.4% 55 Piera 7,975 +4.5% 56 Tordera 7,850 +3% 57 Cubelles 7,795 +3.8% 58 Calella 7,780 +1.7% 59 Vallirana 7,740 +1.4% 60 Corbera de Llobregat 7,720 +2% 61 Montornès del Vallès 7,705 +1.8% 62 Malgrat de Mar 7,555 +2.2% 63 Palau-solità i Plegamans 7,400 +1.9% 64 Arenys de Mar 7,065 +1.9% 65 Canovelles 6,910 +2.4% 66 Berga 6,790 +0.8% 67 Torelló 6,775 +1.8% 68 Canet de Mar 6,400 +3.3% 69 Castellbisbal 6,350 +1.7% 70 Abrera 6,215 +1.5% 71 Montgat 6,110 +0.7% 72 Argentona 5,940 +1.7% 73 Sant Sadurní d'Anoia 5,885 +0.2% 74 La Llagosta 5,775 +0.7% 75 Pallejà 5,710 +1.5% 76 La Roca del Vallès 5,585 +3.1% 77 Vilanova del Camí 5,510 +1.7% 78 Sant Andreu de Llavaneres 5,275 +1.1% 79 Llinars del Vallès 5,245 +2.6% 80 Bigues i Riells del Fai 5,075 +2.9% 81 Sant Joan de Vilatorrada 5,030 +2% 82 Badia del Vallès 5,020 +1.2% 83 Masquefa 4,820 +3.3% 84 Premià de Dalt 4,805 +1.8% 85 Matadepera 4,720 +2.4% 86 Cervelló 4,675 +2.1% 87 Sentmenat 4,660 +2.2% 88 Tiana 4,625 +2.4% 89 L'Ametlla del Vallès 4,620 +1.9% 90 Palafolls 4,600 +1.2% 91 Santa Maria de Palautordera 4,535 +0.6% 92 Sant Fruitós de Bages 4,450 +0.9% 93 Arenys de Munt 4,345 +0.9% 94 Alella 4,285 -0.6% 94 Sant Esteve Sesrovires 4,285 +2.9% 96 Sant Fost de Campsentelles 4,280 +1.8% 97 Polinyà 4,255 +1.7% 98 Vilassar de Dalt 4,225 +1.3% 99 Tona 4,180 +2.1% 100 Santa Coloma de Cervelló 4,175 +2.5% 101 Sant Vicenç de Castellet 4,160 +1.5% 102 Santa Margarida de Montbui 4,120 +2.6% 103 Montmeló 4,095 +2.4% 104 Vacarisses 3,945 +4.2% 105 Santa Eulàlia de Ronçana 3,785 +2.6% 106 Gelida 3,780 +1.2% 107 Viladecavalls 3,750 +2% 108 Centelles 3,715 +1.2% 109 Begues 3,680 +1.9% 110 Santpedor 3,610 +1.7% 111 Cabrils 3,585 +1% 112 Santa Margarida i els Monjos 3,400 +1.6% 113 Sant Feliu de Codines 3,325 +3.3% 114 Lliçà de Vall 3,280 +2% 115 Taradell 3,265 +1.4% 116 Roda de Ter 3,215 +2.1% 117 Moià 3,155 +2.3% 117 Torrelles de Llobregat 3,155 +1.1% 119 Sant Antoni de Vilamajor 3,150 +1.4% 120 Dosrius 3,120 +2.8% 121 Teià 3,085 +3.9% 122 Sant Vicenç de Montalt 3,045 +3% 123 Vilanova del Vallès 2,855 +0.5% 124 Sallent 2,840 +1.1% 125 Artés 2,770 +1.8% 125 Navarcles 2,770 +0.9% 127 Navàs 2,710 +1.5% 128 Canyelles 2,635 +4.6% 129 Sant Pere de Vilamajor 2,495 +0.8% 130 Súria 2,450 +2.7% 131 Collbató 2,430 +2.3% 132 Cabrera de Mar 2,380 +0.8% 133 Sant Pol de Mar 2,360 +1.9% 134 Capellades 2,290 0% 135 Martorelles 2,225 +3.7% 136 El Papiol 2,180 +3.6% 137 Sant Climent de Llobregat 2,090 +0.7% 138 Olivella 1,980 +7% 139 Gironella 1,940 -0.3% 140 Seva 1,900 +0.5% 141 Olèrdola 1,885 +2.2% 142 Balenyà 1,875 +4.2% 143 Castellbell i el Vilar 1,870 +3% 144 El Pont de Vilomara i Rocafort 1,855 +0.3% 145 La Torre de Claramunt 1,845 +3.9% 146 Puig-reig 1,800 +2% 147 Sant Cebrià de Vallalta 1,790 +5% 147 Sant Hipòlit de Voltregà 1,790 +2.9% 149 Cardona 1,740 +2.4% 150 Sant Julià de Vilatorta 1,720 +3% 151 Òdena 1,710 +2.7% 152 Sant Salvador de Guardiola 1,685 +3.4% 153 Cànoves i Samalús 1,640 +1.2% 154 Vallgorguina 1,630 +3.5% 155 Santa Susanna 1,625 0% 156 Les Masies de Voltregà 1,610 +0.3% 157 Sant Martí Sarroca 1,580 +0.6% 158 Subirats 1,545 +1.3% 159 Els Hostalets de Pierola 1,505 +1.3% 160 La Palma de Cervelló 1,455 -1.4% 161 Calaf 1,445 +3.2% 162 Monistrol de Montserrat 1,435 +2.9% 163 Balsareny 1,430 +1.1% 164 Sant Esteve de Palautordera 1,415 -1.4% 165 Caldes d'Estrac 1,410 -0.4% 166 Gurb 1,360 +1.9% 166 Vallromanes 1,360 +1.5% 168 Calldetenes 1,310 -1.1% 169 Sant Llorenç d'Hortons 1,255 +2.4% 170 Castellet i la Gornal 1,240 +6.9% 171 Castellterçol 1,225 +1.7% 172 Aiguafreda 1,220 +3.8% 172 Prats de Lluçanès 1,220 +2.5% 174 El Bruc 1,205 +5.7% 175 Folgueroles 1,180 +1.3% 176 Sant Pere de Torelló 1,175 +2.2% 177 Santa Eugènia de Berga 1,160 0% 178 Castellgalí 1,130 +3.7% 179 Mediona 1,125 +5.1% 180 Ullastrell 1,120 +1.4% 181 Sant Llorenç Savall 1,110 -0.4% 182 Sant Pere de Riudebitlles 1,100 -0.5% 183 Olesa de Bonesvalls 1,095 +7.9% 184 Avinyó 1,065 +2.9% 184 La Granada 1,065 +0.5% 184 La Pobla de Claramunt 1,065 +1.4% 187 Sant Quintí de Mediona 1,050 +3.4% 188 Avià 1,040 +3% 189 Sant Vicenç de Torelló 1,035 +2.5% 190 L'Esquirol 1,020 +0.5% 191 Castellví de Rosanes 1,015 -1% 191 Torrelles de Foix 1,015 +1.5% 193 Callús 940 0% 194 Sant Quirze de Besora 935 -2.1% 195 Bagà 880 0% 196 Avinyonet del Penedès 850 +1.2% 196 Gualba 850 +5.6% 198 Castellví de la Marca 815 +3.8% 199 Cabrera d'Anoia 790 +7.5% 199 Torrelavit 790 +3.9% 201 Santa Eulàlia de Riuprimer 760 +2.7% 202 Castellnou de Bages 755 +3.4% 203 Fonollosa 745 +0.7% 204 Fogars de la Selva 720 -1.4% 205 Casserres 695 +6.9% 206 Sant Iscle de Vallalta 690 +3.8% 207 Font-rubí 640 +3.2% 208 El Pla del Penedès 635 +3.3% 209 Vallbona d'Anoia 625 +5% 210 Sant Martí de Centelles 600 +1.7% 211 Sant Martí de Tous 590 0% 212 Olost 585 +4.5% 213 Calders 575 +4.5% 214 Figaró-Montmany 555 +0.9% 215 Vilobí del Penedès 510 +5.2% 216 Les Cabanyes 495 0% 217 Cercs 490 +2.1% 217 Santa Maria d'Oló 490 +5.4% 219 Sant Cugat Sesgarrigues 475 -1% 220 Montesquiu 460 +3.4% 221 Rellinars 455 +1.1% 222 Jorba 445 +2.3% 223 Santa Maria de Martorelles 440 +4.8% 224 Pacs del Penedès 415 -2.4% 225 La Llacuna 400 +1.3% 225 Olvan 400 0% 225 Òrrius 400 0% 225 Sant Bartomeu del Grau 400 +2.6% 229 Castellcir 390 +4% 230 Vilalba Sasserra 380 +4.1% 231 Guardiola de Berguedà 370 +1.4% 232 Carme 365 +7.4% 232 La Pobla de Lillet 365 -2.7% 234 Muntanyola 360 +2.9% 235 Castellolí 345 +3% 235 Les Masies de Roda 345 -5.5% 237 Sant Quirze Safaja 340 +6.3% 238 Rajadell 330 +6.5% 239 Monistrol de Calders 315 +1.6% 240 Campins 275 0% 240 Sant Mateu de Bages 275 +3.8% 242 Sant Feliu Sasserra 265 +3.9% 243 Puigdàlber 260 -1.9% 244 Oristà 255 +4.1% 245 Els Prats de Rei 235 0% 246 Castellfollit del Boix 230 +4.5% 247 Fogars de Montclús 220 -6.4% 248 Montmajor 210 0% 248 Pontons 210 +7.7% 250 Sant Boi de Lluçanès 205 -4.7%
Showing the top 250 of 311. The CSV download has every row.
Other periods
About this ranking Workers registered with Social Security, by place of residence or work centre as stated by the source.
Every value in the ranking comes from the same publisher and the same period, so the municipalities are compared on one definition. Equal values share a rank.
How to cite Institut d'Estadística de Catalunya (Idescat). Afiliats a la Seguretat Social per municipi de residència (afi). https://www.idescat.cat/pub/?id=afi. Retrieved 2026-10-07.Use this data in your AI agent Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:
Rank Municipalities in Barcelona province by social Security affiliates using official data, and cite the source. rank_places {"indicator":"social_security_affiliates","level":"municipality","within":"Barcelona","limit":10}
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Questions Which municipality has the highest social Security affiliates? Barcelona, with 757,245 in December 2025, according to the Institut d'Estadística de Catalunya.
Which municipality has the lowest social Security affiliates? Sant Jaume de Frontanyà, with 10 in December 2025.
Where does this ranking come from? Every value comes from one source and one period, so the places are comparable: Institut d'Estadística de Catalunya, Afiliats a la Seguretat Social per municipi de residència (afi). Retrieved 2026-10-07.
Social Security affiliates: other rankings
Municipalities in Barcelona province: more rankings 