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 November 2025, at 766,415. Sant Jaume de Frontanyà had the lowest, at 5. The median was 1,630. Source: the Institut d'Estadística de Catalunya.
Median 1,630 311 municipalities
Barcelona Barcelona: 766,415 persons 766,415 L'Hospitalet de Llobregat L'Hospitalet de Llobregat: 125,930 persons 125,930 Terrassa Terrassa: 105,220 persons 105,220 Sabadell Sabadell: 100,180 persons 100,180 Badalona Badalona: 99,510 persons 99,510 Mataró Mataró: 57,325 persons 57,325 Santa Coloma de Gramenet Santa Coloma de Gramenet: 51,520 persons 51,520 Sant Cugat del Vallès Sant Cugat del Vallès: 44,730 persons 44,730 Cornellà de Llobregat Cornellà de Llobregat: 41,760 persons 41,760 Sant Boi de Llobregat Sant Boi de Llobregat: 38,560 persons 38,560 Rubí Rubí: 37,550 persons 37,550 Manresa Manresa: 33,235 persons 33,235 Viladecans Viladecans: 32,295 persons 32,295 Castelldefels Castelldefels: 30,755 persons 30,755 Vilanova i la Geltrú Vilanova i la Geltrú: 30,625 persons 30,625 El Prat de Llobregat El Prat de Llobregat: 29,615 persons 29,615 Granollers Granollers: 29,520 persons 29,520 Cerdanyola del Vallès Cerdanyola del Vallès: 26,035 persons 26,035 Mollet del Vallès Mollet del Vallès: 24,040 persons 24,040 Vic Vic: 23,395 persons 23,395 Sant Feliu de Llobregat Sant Feliu de Llobregat: 21,550 persons 21,550 Gavà Gavà: 21,405 persons 21,405 Esplugues de Llobregat Esplugues de Llobregat: 20,615 persons 20,615 Vilafranca del Penedès Vilafranca del Penedès: 18,810 persons 18,810 Ripollet Ripollet: 18,430 persons 18,430 Igualada Igualada: 17,805 persons 17,805 Sant Joan Despí Sant Joan Despí: 17,200 persons 17,200 Montcada i Reixac Montcada i Reixac: 17,090 persons 17,090 Sant Adrià de Besòs Sant Adrià de Besòs: 16,160 persons 16,160 Barberà del Vallès Barberà del Vallès: 15,750 persons 15,750 Sant Pere de Ribes Sant Pere de Ribes: 14,265 persons 14,265 Sitges Sitges: 13,120 persons 13,120 Molins de Rei Molins de Rei: 13,075 persons 13,075 Sant Vicenç dels Horts Sant Vicenç dels Horts: 13,035 persons 13,035 Martorell Martorell: 12,975 persons 12,975 Premià de Mar Premià de Mar: 12,890 persons 12,890 Sant Andreu de la Barca Sant Andreu de la Barca: 12,590 persons 12,590 Castellar del Vallès Castellar del Vallès: 12,275 persons 12,275 Santa Perpètua de Mogoda Santa Perpètua de Mogoda: 12,160 persons 12,160 Olesa de Montserrat Olesa de Montserrat: 11,475 persons 11,475 persons. Source: Idescat . Retrieved 2026-10-07. Full ranking Rank Municipalities November 2025persons Change on November 2024 1 Barcelona 766,415 +1.3% 2 L'Hospitalet de Llobregat 125,930 +3% 3 Terrassa 105,220 +2.4% 4 Sabadell 100,180 +2.9% 5 Badalona 99,510 +2% 6 Mataró 57,325 +1.9% 7 Santa Coloma de Gramenet 51,520 +2.5% 8 Sant Cugat del Vallès 44,730 +0.8% 9 Cornellà de Llobregat 41,760 +2.7% 10 Sant Boi de Llobregat 38,560 +2% 11 Rubí 37,550 +2.6% 12 Manresa 33,235 +3.1% 13 Viladecans 32,295 +2.5% 14 Castelldefels 30,755 +0.4% 15 Vilanova i la Geltrú 30,625 +3.4% 16 El Prat de Llobregat 29,615 +1.4% 17 Granollers 29,520 +2.3% 18 Cerdanyola del Vallès 26,035 +1.1% 19 Mollet del Vallès 24,040 +2.6% 20 Vic 23,395 +2.8% 21 Sant Feliu de Llobregat 21,550 +1.6% 22 Gavà 21,405 +1.2% 23 Esplugues de Llobregat 20,615 +2.6% 24 Vilafranca del Penedès 18,810 +2.8% 25 Ripollet 18,430 +2.3% 26 Igualada 17,805 +2.3% 27 Sant Joan Despí 17,200 +2.3% 28 Montcada i Reixac 17,090 +1.8% 29 Sant Adrià de Besòs 16,160 +1.1% 30 Barberà del Vallès 15,750 +1.9% 31 Sant Pere de Ribes 14,265 +1.9% 32 Sitges 13,120 +1.1% 33 Molins de Rei 13,075 +1.9% 34 Sant Vicenç dels Horts 13,035 +2% 35 Martorell 12,975 +3.6% 36 Premià de Mar 12,890 +1.2% 37 Sant Andreu de la Barca 12,590 +0.8% 38 Castellar del Vallès 12,275 +1.7% 39 Santa Perpètua de Mogoda 12,160 +1.6% 40 Olesa de Montserrat 11,475 +1.6% 41 El Masnou 11,390 +2% 42 Pineda de Mar 11,170 +3.2% 43 Esparreguera 10,525 +2% 44 Les Franqueses del Vallès 9,965 +2.4% 45 Sant Quirze del Vallès 9,440 -0.1% 46 Sant Just Desvern 9,435 +0.5% 47 Vilassar de Mar 9,420 +0.4% 48 Parets del Vallès 9,070 +1% 49 Cardedeu 8,990 +2.2% 50 Caldes de Montbui 8,930 +2.3% 51 Manlleu 8,795 +2.3% 52 Sant Celoni 8,450 +1.7% 53 La Garriga 8,305 +1.2% 54 Lliçà d'Amunt 8,225 +1.5% 55 Piera 8,085 +3.5% 56 Tordera 7,885 +2.7% 57 Cubelles 7,855 +4.2% 58 Montornès del Vallès 7,825 +1.4% 59 Vallirana 7,775 +1.2% 60 Corbera de Llobregat 7,760 +2% 61 Calella 7,705 +2.3% 62 Malgrat de Mar 7,560 +2.8% 63 Palau-solità i Plegamans 7,500 +2.3% 64 Canovelles 7,135 +1.8% 65 Arenys de Mar 7,080 +2.4% 66 Torelló 6,975 +3.3% 67 Berga 6,910 +1.1% 68 Canet de Mar 6,420 +3.7% 69 Castellbisbal 6,415 +0.9% 70 Abrera 6,370 +2.3% 71 Montgat 6,160 +1.1% 72 Argentona 5,995 +1.7% 73 Sant Sadurní d'Anoia 5,985 +0.8% 74 La Llagosta 5,890 +1.7% 75 Pallejà 5,755 +1.6% 76 Vilanova del Camí 5,625 +0.9% 77 La Roca del Vallès 5,600 +3.4% 78 Llinars del Vallès 5,305 +3.6% 79 Sant Andreu de Llavaneres 5,300 +1% 80 Badia del Vallès 5,115 +1.5% 81 Sant Joan de Vilatorrada 5,110 +1.9% 82 Bigues i Riells del Fai 5,065 +1.2% 83 Masquefa 4,890 +3.4% 84 Premià de Dalt 4,845 +1.9% 85 Matadepera 4,760 +3.4% 86 Sentmenat 4,710 +2.1% 87 Cervelló 4,700 +2% 88 L'Ametlla del Vallès 4,640 +1.3% 89 Tiana 4,630 +1.6% 90 Palafolls 4,620 +1.2% 91 Santa Maria de Palautordera 4,580 +1% 92 Sant Fruitós de Bages 4,520 +1.2% 93 Arenys de Munt 4,385 +1.4% 94 Polinyà 4,325 +1.9% 95 Alella 4,305 -0.5% 96 Sant Esteve Sesrovires 4,295 +2.8% 97 Sant Fost de Campsentelles 4,280 +2.1% 98 Sant Vicenç de Castellet 4,245 +1.8% 99 Vilassar de Dalt 4,225 +0.7% 100 Tona 4,220 +2.8% 101 Santa Margarida de Montbui 4,205 +2.2% 102 Santa Coloma de Cervelló 4,195 +2.6% 103 Montmeló 4,145 +1.8% 104 Vacarisses 3,965 +4.5% 105 Gelida 3,835 +1.5% 106 Santa Eulàlia de Ronçana 3,825 +2.8% 107 Viladecavalls 3,755 +1.6% 108 Centelles 3,750 +1.5% 109 Begues 3,700 +2.4% 110 Santpedor 3,660 +1.5% 111 Cabrils 3,595 +1.3% 112 Santa Margarida i els Monjos 3,450 +0.7% 113 Sant Feliu de Codines 3,370 +4.5% 114 Lliçà de Vall 3,320 +1.5% 115 Taradell 3,295 +1.1% 116 Roda de Ter 3,245 +1.7% 117 Sant Antoni de Vilamajor 3,200 +1.6% 118 Moià 3,195 +2.1% 119 Torrelles de Llobregat 3,190 +1.8% 120 Dosrius 3,145 +2.8% 121 Teià 3,085 +3.4% 122 Sant Vicenç de Montalt 3,080 +4.2% 123 Vilanova del Vallès 2,880 +0.3% 124 Sallent 2,875 +1.1% 125 Artés 2,860 +2.5% 126 Navarcles 2,810 0% 127 Navàs 2,725 +1.3% 128 Canyelles 2,655 +4.7% 129 Sant Pere de Vilamajor 2,500 +1% 130 Súria 2,490 +2.7% 131 Collbató 2,460 +3.6% 132 Cabrera de Mar 2,410 +0.4% 133 Sant Pol de Mar 2,365 +0.9% 134 Capellades 2,340 -0.4% 135 Martorelles 2,220 +1.4% 136 El Papiol 2,190 +3.3% 137 Sant Climent de Llobregat 2,095 +1% 138 Olivella 1,970 +6.2% 139 Gironella 1,955 -0.8% 140 Seva 1,920 +0.3% 141 Castellbell i el Vilar 1,900 +2.4% 141 Olèrdola 1,900 +0.5% 143 El Pont de Vilomara i Rocafort 1,895 +0.5% 144 Balenyà 1,890 +4.1% 145 La Torre de Claramunt 1,865 +2.8% 146 Puig-reig 1,840 +1.9% 147 Sant Cebrià de Vallalta 1,805 +4% 147 Sant Hipòlit de Voltregà 1,805 +1.4% 149 Cardona 1,750 +0.6% 150 Òdena 1,725 +1.2% 151 Sant Julià de Vilatorta 1,710 +1.8% 152 Sant Salvador de Guardiola 1,690 +2.7% 153 Cànoves i Samalús 1,655 +1.2% 154 Santa Susanna 1,635 +0.9% 154 Vallgorguina 1,635 +2.5% 156 Les Masies de Voltregà 1,630 +1.2% 157 Sant Martí Sarroca 1,580 +0.6% 158 Subirats 1,560 +0.6% 159 Els Hostalets de Pierola 1,530 +2.7% 160 La Palma de Cervelló 1,480 +0.3% 161 Balsareny 1,455 +1% 162 Monistrol de Montserrat 1,450 +2.8% 163 Calaf 1,445 +2.5% 164 Sant Esteve de Palautordera 1,440 -0.7% 165 Caldes d'Estrac 1,435 +1.8% 166 Gurb 1,365 +1.1% 167 Vallromanes 1,355 +0.4% 168 Calldetenes 1,325 -0.4% 169 Sant Llorenç d'Hortons 1,255 +1.6% 170 Castellet i la Gornal 1,250 +6.8% 171 Castellterçol 1,240 0% 172 Aiguafreda 1,225 +2.9% 173 Prats de Lluçanès 1,220 +2.5% 174 El Bruc 1,215 +4.7% 175 Sant Pere de Torelló 1,210 +3% 176 Folgueroles 1,180 +1.3% 177 Santa Eugènia de Berga 1,165 +0.9% 178 Castellgalí 1,140 +4.1% 179 Sant Pere de Riudebitlles 1,125 +1.4% 180 Mediona 1,120 +4.2% 181 Sant Llorenç Savall 1,115 -0.4% 182 Olesa de Bonesvalls 1,105 +7.8% 182 Ullastrell 1,105 0% 184 La Pobla de Claramunt 1,090 +2.8% 185 Avinyó 1,080 +4.3% 185 La Granada 1,080 +1.4% 187 Sant Quintí de Mediona 1,075 +4.9% 188 Sant Vicenç de Torelló 1,050 +1.9% 189 Avià 1,040 +1.5% 190 Castellví de Rosanes 1,030 0% 190 L'Esquirol 1,030 0% 192 Torrelles de Foix 1,025 +2% 193 Sant Quirze de Besora 965 +0.5% 194 Callús 955 +1.1% 195 Bagà 880 +1.7% 196 Avinyonet del Penedès 855 +2.4% 197 Gualba 840 +3.7% 198 Castellví de la Marca 820 +3.1% 199 Torrelavit 805 +3.9% 200 Cabrera d'Anoia 800 +7.4% 201 Santa Eulàlia de Riuprimer 755 0% 202 Castellnou de Bages 750 +4.9% 202 Fonollosa 750 0% 204 Fogars de la Selva 730 0% 205 Casserres 705 +6% 206 Sant Iscle de Vallalta 695 +5.3% 207 El Pla del Penedès 645 +3.2% 207 Font-rubí 645 +3.2% 209 Vallbona d'Anoia 625 +4.2% 210 Sant Martí de Centelles 605 +2.5% 211 Sant Martí de Tous 595 +2.6% 212 Calders 590 +3.5% 213 Olost 585 +2.6% 214 Figaró-Montmany 555 0% 215 Vilobí del Penedès 515 +3% 216 Cercs 500 +3.1% 216 Les Cabanyes 500 -1% 218 Santa Maria d'Oló 490 +2.1% 219 Montesquiu 480 +5.5% 219 Sant Cugat Sesgarrigues 480 0% 221 Rellinars 465 +4.5% 222 Jorba 450 +4.7% 223 Santa Maria de Martorelles 435 +2.4% 224 Pacs del Penedès 420 -1.2% 225 Olvan 410 +1.2% 226 Òrrius 400 0% 227 La Llacuna 395 -1.3% 227 Sant Bartomeu del Grau 395 +2.6% 229 Vilalba Sasserra 390 +2.6% 230 Castellcir 380 -1.3% 231 Guardiola de Berguedà 375 +4.2% 232 Carme 365 +5.8% 232 La Pobla de Lillet 365 -2.7% 232 Muntanyola 365 +4.3% 235 Les Masies de Roda 360 -1.4% 236 Sant Quirze Safaja 345 +4.5% 237 Castellolí 340 0% 238 Rajadell 325 +3.2% 239 Monistrol de Calders 320 -1.5% 240 Campins 280 0% 240 Sant Mateu de Bages 280 +3.7% 242 Sant Feliu Sasserra 270 +1.9% 243 Puigdàlber 265 0% 244 Oristà 255 +2% 245 Castellfollit del Boix 235 +9.3% 246 Els Prats de Rei 230 -2.1% 246 Fogars de Montclús 230 -6.1% 248 Montmajor 215 +2.4% 248 Pontons 215 +13.2% 250 Perafita 205 +2.5%
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 766,415 in November 2025, according to the Institut d'Estadística de Catalunya.
Which municipality has the lowest social Security affiliates? Sant Jaume de Frontanyà, with 5 in November 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 