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 October 2025, at 757,865. Sant Jaume de Frontanyà had the lowest, at 10. The median was 1,625. Source: the Institut d'Estadística de Catalunya.
Median 1,625 311 municipalities
Barcelona Barcelona: 757,865 persons 757,865 L'Hospitalet de Llobregat L'Hospitalet de Llobregat: 124,175 persons 124,175 Terrassa Terrassa: 103,875 persons 103,875 Sabadell Sabadell: 98,885 persons 98,885 Badalona Badalona: 98,515 persons 98,515 Mataró Mataró: 56,695 persons 56,695 Santa Coloma de Gramenet Santa Coloma de Gramenet: 50,795 persons 50,795 Sant Cugat del Vallès Sant Cugat del Vallès: 44,320 persons 44,320 Cornellà de Llobregat Cornellà de Llobregat: 41,175 persons 41,175 Sant Boi de Llobregat Sant Boi de Llobregat: 38,060 persons 38,060 Rubí Rubí: 37,060 persons 37,060 Manresa Manresa: 32,645 persons 32,645 Viladecans Viladecans: 31,985 persons 31,985 Vilanova i la Geltrú Vilanova i la Geltrú: 30,440 persons 30,440 Castelldefels Castelldefels: 30,410 persons 30,410 El Prat de Llobregat El Prat de Llobregat: 29,265 persons 29,265 Granollers Granollers: 29,175 persons 29,175 Cerdanyola del Vallès Cerdanyola del Vallès: 25,755 persons 25,755 Mollet del Vallès Mollet del Vallès: 23,705 persons 23,705 Vic Vic: 23,040 persons 23,040 Sant Feliu de Llobregat Sant Feliu de Llobregat: 21,340 persons 21,340 Gavà Gavà: 21,130 persons 21,130 Esplugues de Llobregat Esplugues de Llobregat: 20,390 persons 20,390 Vilafranca del Penedès Vilafranca del Penedès: 18,540 persons 18,540 Ripollet Ripollet: 18,205 persons 18,205 Igualada Igualada: 17,425 persons 17,425 Sant Joan Despí Sant Joan Despí: 17,010 persons 17,010 Montcada i Reixac Montcada i Reixac: 16,890 persons 16,890 Sant Adrià de Besòs Sant Adrià de Besòs: 15,945 persons 15,945 Barberà del Vallès Barberà del Vallès: 15,575 persons 15,575 Sant Pere de Ribes Sant Pere de Ribes: 14,195 persons 14,195 Sitges Sitges: 13,085 persons 13,085 Molins de Rei Molins de Rei: 12,940 persons 12,940 Sant Vicenç dels Horts Sant Vicenç dels Horts: 12,855 persons 12,855 Premià de Mar Premià de Mar: 12,785 persons 12,785 Martorell Martorell: 12,775 persons 12,775 Sant Andreu de la Barca Sant Andreu de la Barca: 12,420 persons 12,420 Castellar del Vallès Castellar del Vallès: 12,155 persons 12,155 Santa Perpètua de Mogoda Santa Perpètua de Mogoda: 12,015 persons 12,015 Pineda de Mar Pineda de Mar: 11,740 persons 11,740 persons. Source: Idescat . Retrieved 2026-10-07. Full ranking Rank Municipalities October 2025persons Change on October 2024 1 Barcelona 757,865 +1.2% 2 L'Hospitalet de Llobregat 124,175 +3.1% 3 Terrassa 103,875 +2.4% 4 Sabadell 98,885 +3% 5 Badalona 98,515 +2% 6 Mataró 56,695 +1.8% 7 Santa Coloma de Gramenet 50,795 +2.4% 8 Sant Cugat del Vallès 44,320 +0.9% 9 Cornellà de Llobregat 41,175 +2.9% 10 Sant Boi de Llobregat 38,060 +1.9% 11 Rubí 37,060 +2.7% 12 Manresa 32,645 +2.9% 13 Viladecans 31,985 +2.8% 14 Vilanova i la Geltrú 30,440 +3.5% 15 Castelldefels 30,410 +0.3% 16 El Prat de Llobregat 29,265 +1.6% 17 Granollers 29,175 +2.6% 18 Cerdanyola del Vallès 25,755 +0.9% 19 Mollet del Vallès 23,705 +2.2% 20 Vic 23,040 +3.1% 21 Sant Feliu de Llobregat 21,340 +1.7% 22 Gavà 21,130 +1.1% 23 Esplugues de Llobregat 20,390 +2.5% 24 Vilafranca del Penedès 18,540 +2.7% 25 Ripollet 18,205 +2.2% 26 Igualada 17,425 +1.4% 27 Sant Joan Despí 17,010 +2.1% 28 Montcada i Reixac 16,890 +1.6% 29 Sant Adrià de Besòs 15,945 +0.7% 30 Barberà del Vallès 15,575 +1.7% 31 Sant Pere de Ribes 14,195 +1.7% 32 Sitges 13,085 +0.7% 33 Molins de Rei 12,940 +2.1% 34 Sant Vicenç dels Horts 12,855 +1.8% 35 Premià de Mar 12,785 +1.2% 36 Martorell 12,775 +3.2% 37 Sant Andreu de la Barca 12,420 +0.9% 38 Castellar del Vallès 12,155 +1.7% 39 Santa Perpètua de Mogoda 12,015 +1.2% 40 Pineda de Mar 11,740 +3% 41 Olesa de Montserrat 11,325 +1.6% 42 El Masnou 11,315 +2.2% 43 Esparreguera 10,390 +1.8% 44 Les Franqueses del Vallès 9,825 +2% 45 Sant Just Desvern 9,355 +0.6% 45 Vilassar de Mar 9,355 +0.5% 47 Sant Quirze del Vallès 9,340 +0.2% 48 Parets del Vallès 9,005 +1.3% 49 Cardedeu 8,895 +2.2% 50 Caldes de Montbui 8,850 +2.2% 51 Manlleu 8,715 +2.2% 52 Sant Celoni 8,365 +1.8% 53 La Garriga 8,250 +1.5% 54 Lliçà d'Amunt 8,175 +1.9% 55 Malgrat de Mar 8,115 +4.1% 56 Calella 8,090 +2% 57 Tordera 7,945 +2.2% 58 Piera 7,915 +2.2% 59 Cubelles 7,805 +3.9% 60 Montornès del Vallès 7,750 +1.8% 61 Vallirana 7,715 +1.8% 62 Corbera de Llobregat 7,670 +1.7% 63 Palau-solità i Plegamans 7,450 +2.5% 64 Arenys de Mar 7,045 +2.4% 65 Canovelles 7,025 +2.1% 66 Torelló 6,875 +2.8% 67 Berga 6,805 +0.7% 68 Canet de Mar 6,410 +3.7% 69 Castellbisbal 6,360 +1.4% 70 Abrera 6,285 +2.3% 71 Montgat 6,090 +0.8% 72 Argentona 5,950 +1.8% 73 Sant Sadurní d'Anoia 5,945 +0.8% 74 La Llagosta 5,815 +1.7% 75 Pallejà 5,700 +1.7% 76 La Roca del Vallès 5,525 +2.7% 77 Vilanova del Camí 5,485 +0.1% 78 Llinars del Vallès 5,255 +4% 78 Sant Andreu de Llavaneres 5,255 +1.3% 80 Sant Joan de Vilatorrada 5,035 +1.6% 81 Bigues i Riells del Fai 5,020 +1.5% 82 Badia del Vallès 5,015 +0.9% 83 Masquefa 4,825 +2.7% 84 Premià de Dalt 4,800 +1.6% 85 Palafolls 4,745 +1.6% 86 Matadepera 4,710 +3.3% 87 Sentmenat 4,665 +2.1% 88 Cervelló 4,640 +1.2% 89 Tiana 4,605 +2.1% 90 L'Ametlla del Vallès 4,595 +1.2% 91 Santa Maria de Palautordera 4,545 +1.2% 92 Sant Fruitós de Bages 4,450 +0.3% 93 Arenys de Munt 4,365 +1.5% 94 Alella 4,295 0% 95 Polinyà 4,265 +1.8% 96 Sant Esteve Sesrovires 4,260 +3.3% 97 Sant Fost de Campsentelles 4,235 +1.6% 98 Vilassar de Dalt 4,210 +0.7% 99 Sant Vicenç de Castellet 4,170 +1.7% 99 Tona 4,170 +2% 101 Santa Coloma de Cervelló 4,155 +2.7% 102 Montmeló 4,105 +2.1% 103 Santa Margarida de Montbui 4,100 +1.6% 104 Vacarisses 3,920 +4.8% 105 Santa Eulàlia de Ronçana 3,815 +3.1% 106 Gelida 3,795 +1.7% 107 Centelles 3,730 +1.6% 107 Viladecavalls 3,730 +1.5% 109 Begues 3,675 +2.4% 110 Santpedor 3,635 +2.1% 111 Cabrils 3,560 +1.6% 112 Santa Margarida i els Monjos 3,390 +0.4% 113 Sant Feliu de Codines 3,340 +4.4% 114 Lliçà de Vall 3,280 +1.7% 114 Taradell 3,280 +1.5% 116 Roda de Ter 3,215 +1.6% 117 Moià 3,185 +2.4% 118 Sant Antoni de Vilamajor 3,160 +1.4% 119 Torrelles de Llobregat 3,150 +1.8% 120 Dosrius 3,115 +2.1% 121 Teià 3,065 +4.3% 122 Sant Vicenç de Montalt 3,055 +4.6% 123 Sallent 2,845 +1.8% 123 Vilanova del Vallès 2,845 -0.2% 125 Artés 2,830 +2% 126 Navarcles 2,785 +0.7% 127 Navàs 2,705 +1.9% 128 Canyelles 2,630 +4.2% 129 Sant Pere de Vilamajor 2,495 +1.2% 130 Súria 2,455 +3.4% 131 Collbató 2,440 +3.4% 132 Cabrera de Mar 2,390 +1.1% 133 Sant Pol de Mar 2,350 +0.4% 134 Capellades 2,305 -0.2% 135 Martorelles 2,200 +1.9% 136 El Papiol 2,140 +2.1% 137 Sant Climent de Llobregat 2,085 +1.5% 138 Olivella 1,955 +6.3% 139 Gironella 1,950 -0.5% 140 Seva 1,905 +1.1% 141 Olèrdola 1,885 +1.9% 142 Balenyà 1,880 +4.7% 142 Castellbell i el Vilar 1,880 +2.2% 144 El Pont de Vilomara i Rocafort 1,855 +0.3% 145 La Torre de Claramunt 1,840 +3.7% 146 Puig-reig 1,805 +1.1% 147 Sant Cebrià de Vallalta 1,790 +3.2% 147 Sant Hipòlit de Voltregà 1,790 +1.4% 149 Cardona 1,730 0% 150 Òdena 1,710 +1.5% 151 Sant Julià de Vilatorta 1,705 +2.4% 151 Santa Susanna 1,705 +1.2% 153 Sant Salvador de Guardiola 1,665 +3.1% 154 Cànoves i Samalús 1,645 +1.2% 155 Vallgorguina 1,630 +3.8% 156 Les Masies de Voltregà 1,625 +1.6% 157 Sant Martí Sarroca 1,575 +1.9% 158 Subirats 1,555 +1% 159 Els Hostalets de Pierola 1,505 +1.7% 160 La Palma de Cervelló 1,465 0% 161 Monistrol de Montserrat 1,440 +4% 162 Balsareny 1,435 +1.8% 163 Calaf 1,430 +1.8% 163 Caldes d'Estrac 1,430 +1.8% 165 Sant Esteve de Palautordera 1,425 -1% 166 Gurb 1,360 +1.1% 167 Vallromanes 1,335 0% 168 Calldetenes 1,315 0% 169 Sant Llorenç d'Hortons 1,245 +0.8% 170 Castellterçol 1,235 +1.2% 171 Aiguafreda 1,230 +2.9% 171 Castellet i la Gornal 1,230 +4.7% 173 Prats de Lluçanès 1,215 +3.4% 174 El Bruc 1,205 +4.8% 175 Sant Pere de Torelló 1,195 +3% 176 Folgueroles 1,170 +2.2% 177 Santa Eugènia de Berga 1,160 +1.3% 178 Castellgalí 1,120 +3.2% 178 Sant Pere de Riudebitlles 1,120 +1.4% 180 Mediona 1,105 +2.3% 180 Sant Llorenç Savall 1,105 -0.9% 182 Ullastrell 1,100 +0.9% 183 Olesa de Bonesvalls 1,085 +8% 184 Avinyó 1,070 +4.4% 184 La Granada 1,070 +0.5% 184 La Pobla de Claramunt 1,070 +1.4% 187 Sant Quintí de Mediona 1,050 +2.9% 187 Sant Vicenç de Torelló 1,050 +2.9% 189 Avià 1,040 +1.5% 190 Castellví de Rosanes 1,020 0% 190 L'Esquirol 1,020 -0.5% 192 Torrelles de Foix 1,010 +2.5% 193 Callús 955 +2.1% 193 Sant Quirze de Besora 955 +1.6% 195 Bagà 885 +2.3% 196 Avinyonet del Penedès 860 +4.2% 197 Gualba 825 +3.1% 198 Castellví de la Marca 800 +1.9% 199 Torrelavit 795 +3.9% 200 Cabrera d'Anoia 780 +4% 201 Santa Eulàlia de Riuprimer 755 0% 202 Castellnou de Bages 750 +6.4% 202 Fonollosa 750 +2.7% 204 Fogars de la Selva 735 -0.7% 205 Casserres 700 +6.9% 206 Sant Iscle de Vallalta 685 +3% 207 El Pla del Penedès 635 +2.4% 207 Font-rubí 635 +3.3% 209 Vallbona d'Anoia 620 +3.3% 210 Sant Martí de Centelles 600 +1.7% 211 Sant Martí de Tous 585 +0.9% 212 Calders 580 +3.6% 212 Olost 580 +3.6% 214 Figaró-Montmany 560 +2.8% 215 Vilobí del Penedès 515 +2% 216 Cercs 500 +5.3% 217 Les Cabanyes 495 -1% 218 Santa Maria d'Oló 485 +2.1% 219 Montesquiu 470 +4.4% 219 Sant Cugat Sesgarrigues 470 +1.1% 221 Rellinars 460 +4.5% 222 Jorba 445 +4.7% 223 Santa Maria de Martorelles 425 0% 224 Olvan 415 +1.2% 224 Pacs del Penedès 415 -2.4% 226 Òrrius 395 -1.3% 226 Sant Bartomeu del Grau 395 +3.9% 228 La Llacuna 385 -1.3% 228 Vilalba Sasserra 385 +2.7% 230 Castellcir 380 0% 231 Guardiola de Berguedà 370 +2.8% 232 Muntanyola 365 +4.3% 233 La Pobla de Lillet 360 -1.4% 233 Les Masies de Roda 360 0% 235 Carme 350 +4.5% 236 Sant Quirze Safaja 340 +4.6% 237 Castellolí 335 0% 238 Rajadell 330 +4.8% 239 Monistrol de Calders 320 0% 240 Campins 280 0% 240 Sant Mateu de Bages 280 +3.7% 242 Sant Feliu Sasserra 265 +1.9% 243 Puigdàlber 260 -1.9% 244 Oristà 255 +2% 245 Castellfollit del Boix 230 +7% 245 Els Prats de Rei 230 0% 247 Fogars de Montclús 225 -8.2% 248 Montmajor 215 0% 249 Pontons 210 +13.5% 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 757,865 in October 2025, according to the Institut d'Estadística de Catalunya.
Which municipality has the lowest social Security affiliates? Sant Jaume de Frontanyà, with 10 in October 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 