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 March 2026, at 755,920. 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: 755,920 persons 755,920 L'Hospitalet de Llobregat L'Hospitalet de Llobregat: 124,720 persons 124,720 Terrassa Terrassa: 104,920 persons 104,920 Sabadell Sabadell: 99,780 persons 99,780 Badalona Badalona: 98,480 persons 98,480 Mataró Mataró: 57,080 persons 57,080 Santa Coloma de Gramenet Santa Coloma de Gramenet: 50,875 persons 50,875 Sant Cugat del Vallès Sant Cugat del Vallès: 44,540 persons 44,540 Cornellà de Llobregat Cornellà de Llobregat: 41,490 persons 41,490 Sant Boi de Llobregat Sant Boi de Llobregat: 38,090 persons 38,090 Rubí Rubí: 37,180 persons 37,180 Manresa Manresa: 32,960 persons 32,960 Viladecans Viladecans: 32,420 persons 32,420 Vilanova i la Geltrú Vilanova i la Geltrú: 30,795 persons 30,795 Castelldefels Castelldefels: 30,420 persons 30,420 El Prat de Llobregat El Prat de Llobregat: 29,325 persons 29,325 Granollers Granollers: 29,310 persons 29,310 Cerdanyola del Vallès Cerdanyola del Vallès: 25,925 persons 25,925 Mollet del Vallès Mollet del Vallès: 23,980 persons 23,980 Vic Vic: 23,300 persons 23,300 Sant Feliu de Llobregat Sant Feliu de Llobregat: 21,420 persons 21,420 Gavà Gavà: 21,240 persons 21,240 Esplugues de Llobregat Esplugues de Llobregat: 20,490 persons 20,490 Vilafranca del Penedès Vilafranca del Penedès: 18,720 persons 18,720 Ripollet Ripollet: 18,230 persons 18,230 Igualada Igualada: 17,680 persons 17,680 Montcada i Reixac Montcada i Reixac: 17,115 persons 17,115 Sant Joan Despí Sant Joan Despí: 17,075 persons 17,075 Sant Adrià de Besòs Sant Adrià de Besòs: 16,160 persons 16,160 Barberà del Vallès Barberà del Vallès: 15,470 persons 15,470 Sant Pere de Ribes Sant Pere de Ribes: 14,215 persons 14,215 Sitges Sitges: 13,105 persons 13,105 Molins de Rei Molins de Rei: 13,040 persons 13,040 Martorell Martorell: 12,890 persons 12,890 Sant Vicenç dels Horts Sant Vicenç dels Horts: 12,870 persons 12,870 Premià de Mar Premià de Mar: 12,755 persons 12,755 Sant Andreu de la Barca Sant Andreu de la Barca: 12,565 persons 12,565 Castellar del Vallès Castellar del Vallès: 12,250 persons 12,250 Santa Perpètua de Mogoda Santa Perpètua de Mogoda: 12,115 persons 12,115 Pineda de Mar Pineda de Mar: 12,030 persons 12,030 persons. Source: Idescat . Retrieved 2026-10-07. Full ranking Rank Municipalities March 2026persons Change on March 2025 1 Barcelona 755,920 +0.7% 2 L'Hospitalet de Llobregat 124,720 +2.7% 3 Terrassa 104,920 +2.3% 4 Sabadell 99,780 +2.6% 5 Badalona 98,480 +1.5% 6 Mataró 57,080 +1.7% 7 Santa Coloma de Gramenet 50,875 +1.2% 8 Sant Cugat del Vallès 44,540 +0.5% 9 Cornellà de Llobregat 41,490 +2.4% 10 Sant Boi de Llobregat 38,090 +1.5% 11 Rubí 37,180 +1.4% 12 Manresa 32,960 +2.9% 13 Viladecans 32,420 +3% 14 Vilanova i la Geltrú 30,795 +3.7% 15 Castelldefels 30,420 +0.3% 16 El Prat de Llobregat 29,325 +1% 17 Granollers 29,310 +2.5% 18 Cerdanyola del Vallès 25,925 +0.8% 19 Mollet del Vallès 23,980 +2.1% 20 Vic 23,300 +2.4% 21 Sant Feliu de Llobregat 21,420 +1.4% 22 Gavà 21,240 +1.2% 23 Esplugues de Llobregat 20,490 +2.6% 24 Vilafranca del Penedès 18,720 +1.9% 25 Ripollet 18,230 +1.5% 26 Igualada 17,680 +1.4% 27 Montcada i Reixac 17,115 +2.4% 28 Sant Joan Despí 17,075 +1% 29 Sant Adrià de Besòs 16,160 +2.7% 30 Barberà del Vallès 15,470 +0.2% 31 Sant Pere de Ribes 14,215 +2% 32 Sitges 13,105 +1.2% 33 Molins de Rei 13,040 +1.4% 34 Martorell 12,890 +3.2% 35 Sant Vicenç dels Horts 12,870 +1.3% 36 Premià de Mar 12,755 +0.4% 37 Sant Andreu de la Barca 12,565 +2.2% 38 Castellar del Vallès 12,250 +1.5% 39 Santa Perpètua de Mogoda 12,115 +1.9% 40 Pineda de Mar 12,030 +5.9% 41 Olesa de Montserrat 11,465 +1.8% 42 El Masnou 11,360 +1.5% 43 Esparreguera 10,530 +2.5% 44 Les Franqueses del Vallès 9,995 +2.9% 45 Sant Quirze del Vallès 9,455 +1.1% 46 Sant Just Desvern 9,405 +1% 47 Vilassar de Mar 9,355 0% 48 Parets del Vallès 9,065 +2.1% 49 Cardedeu 8,970 +1.7% 50 Caldes de Montbui 8,845 +1% 51 Manlleu 8,730 +0.8% 52 Sant Celoni 8,480 +2% 53 Calella 8,345 +4.9% 54 Malgrat de Mar 8,325 +8.2% 55 La Garriga 8,255 +1.6% 56 Lliçà d'Amunt 8,245 +2.3% 57 Tordera 8,175 +4.7% 58 Piera 8,085 +4.4% 59 Cubelles 7,805 +3.2% 60 Vallirana 7,800 +2.1% 61 Montornès del Vallès 7,790 +1.5% 62 Corbera de Llobregat 7,735 +1.7% 63 Palau-solità i Plegamans 7,480 +0.5% 64 Arenys de Mar 7,095 +1.1% 65 Canovelles 6,980 +1.8% 66 Berga 6,930 +2.1% 66 Torelló 6,930 +1% 68 Canet de Mar 6,485 +2.5% 69 Castellbisbal 6,405 +1.7% 70 Abrera 6,275 +1% 71 Montgat 6,090 -0.1% 72 Argentona 5,960 +1.8% 73 Sant Sadurní d'Anoia 5,925 -0.5% 74 La Llagosta 5,815 0% 75 Pallejà 5,775 +2.3% 76 La Roca del Vallès 5,610 +2% 77 Vilanova del Camí 5,595 +1.9% 78 Llinars del Vallès 5,325 +2.3% 79 Sant Andreu de Llavaneres 5,220 +0.1% 80 Badia del Vallès 5,120 +2.1% 81 Bigues i Riells del Fai 5,100 +2.4% 82 Sant Joan de Vilatorrada 5,065 +2% 83 Masquefa 4,900 +2.7% 84 Premià de Dalt 4,785 +0.4% 85 Matadepera 4,755 +1.7% 85 Palafolls 4,755 +2.9% 87 Sentmenat 4,690 +1.4% 88 Cervelló 4,680 +2.4% 89 L'Ametlla del Vallès 4,655 +0.9% 90 Tiana 4,640 +2.2% 91 Santa Maria de Palautordera 4,600 +1.5% 92 Sant Fruitós de Bages 4,475 +0.8% 93 Arenys de Munt 4,390 +0.9% 94 Sant Esteve Sesrovires 4,375 +3.4% 95 Sant Fost de Campsentelles 4,300 +2% 96 Polinyà 4,295 +1.5% 97 Alella 4,285 -0.6% 98 Vilassar de Dalt 4,225 +1.1% 99 Tona 4,195 +1.5% 100 Santa Coloma de Cervelló 4,190 +2.3% 101 Sant Vicenç de Castellet 4,185 0% 102 Santa Margarida de Montbui 4,165 +1.7% 103 Montmeló 4,140 +1% 104 Vacarisses 3,990 +3.6% 105 Gelida 3,840 +2% 106 Santa Eulàlia de Ronçana 3,815 +2.6% 107 Centelles 3,765 +0.9% 108 Viladecavalls 3,725 -0.1% 109 Begues 3,710 +1.9% 110 Santpedor 3,635 +1.3% 111 Cabrils 3,600 +0.8% 112 Santa Margarida i els Monjos 3,425 +0.1% 113 Sant Feliu de Codines 3,345 +1.5% 114 Taradell 3,300 +1.7% 115 Lliçà de Vall 3,280 +0.9% 116 Roda de Ter 3,250 +1.9% 117 Torrelles de Llobregat 3,180 +1.9% 118 Sant Antoni de Vilamajor 3,165 +1.6% 119 Moià 3,160 +1% 120 Dosrius 3,140 +1.9% 121 Teià 3,095 +1.8% 122 Sant Vicenç de Montalt 3,045 +1.7% 123 Vilanova del Vallès 2,935 +2.3% 124 Sallent 2,850 -0.3% 125 Artés 2,835 +1.6% 126 Navarcles 2,770 -0.2% 127 Navàs 2,740 +2.2% 128 Canyelles 2,670 +3.9% 129 Sant Pere de Vilamajor 2,515 +1% 130 Collbató 2,455 +3.8% 130 Súria 2,455 +0.6% 132 Cabrera de Mar 2,415 +1.7% 133 Sant Pol de Mar 2,390 +2.8% 134 Capellades 2,330 -0.4% 135 Martorelles 2,270 +3.9% 136 El Papiol 2,180 +3.1% 137 Sant Climent de Llobregat 2,100 +2.2% 138 Gironella 1,985 +1.8% 138 Olivella 1,985 +4.7% 140 Olèrdola 1,915 +3% 140 Seva 1,915 +1.1% 142 Castellbell i el Vilar 1,900 +3% 143 Balenyà 1,880 +1.6% 143 La Torre de Claramunt 1,880 +3.9% 145 Sant Cebrià de Vallalta 1,860 +6.9% 146 El Pont de Vilomara i Rocafort 1,855 +0.3% 147 Puig-reig 1,820 0% 148 Sant Hipòlit de Voltregà 1,805 +2.6% 149 Cardona 1,745 +1.2% 150 Sant Julià de Vilatorta 1,740 +2.7% 151 Santa Susanna 1,730 +3.6% 152 Òdena 1,705 +1.2% 153 Sant Salvador de Guardiola 1,700 +3.3% 154 Vallgorguina 1,655 +2.2% 155 Cànoves i Samalús 1,635 -1.2% 156 Les Masies de Voltregà 1,625 -0.6% 157 Sant Martí Sarroca 1,620 +2.5% 158 Subirats 1,565 +1.6% 159 Els Hostalets de Pierola 1,560 +4.3% 160 La Palma de Cervelló 1,455 -0.3% 161 Sant Esteve de Palautordera 1,445 +0.7% 162 Calaf 1,440 +2.9% 162 Monistrol de Montserrat 1,440 +3.2% 164 Balsareny 1,430 +0.7% 165 Caldes d'Estrac 1,420 -0.4% 166 Vallromanes 1,385 +2.2% 167 Gurb 1,360 +0.4% 168 Calldetenes 1,305 -0.8% 169 Sant Llorenç d'Hortons 1,275 +2.8% 170 Castellet i la Gornal 1,235 +4.2% 171 Castellterçol 1,230 +2.1% 172 Aiguafreda 1,225 +1.7% 172 Prats de Lluçanès 1,225 +1.7% 174 El Bruc 1,210 +3% 175 Sant Pere de Torelló 1,200 +3.4% 176 Folgueroles 1,195 +1.3% 177 Santa Eugènia de Berga 1,160 +1.3% 178 Castellgalí 1,140 +5.6% 179 Mediona 1,135 +5.6% 180 Sant Pere de Riudebitlles 1,125 +1.8% 181 Ullastrell 1,120 +0.9% 182 Sant Llorenç Savall 1,110 +0.9% 183 Olesa de Bonesvalls 1,105 +5.7% 184 Avinyó 1,080 +1.9% 184 La Pobla de Claramunt 1,080 0% 186 La Granada 1,070 +1.4% 187 Sant Quintí de Mediona 1,065 +3.9% 188 Avià 1,040 +1.5% 189 Torrelles de Foix 1,035 +3% 190 L'Esquirol 1,030 +0.5% 190 Sant Vicenç de Torelló 1,030 0% 192 Castellví de Rosanes 1,005 -3.4% 193 Callús 975 +2.1% 194 Sant Quirze de Besora 965 +0.5% 195 Bagà 885 +3.5% 196 Gualba 855 +4.9% 197 Avinyonet del Penedès 850 +0.6% 198 Castellví de la Marca 830 +4.4% 199 Torrelavit 820 +5.1% 200 Cabrera d'Anoia 805 +8.8% 201 Castellnou de Bages 780 +6.1% 202 Santa Eulàlia de Riuprimer 765 +2% 203 Fonollosa 745 0% 204 Fogars de la Selva 740 +2.1% 205 Sant Iscle de Vallalta 710 +6.8% 206 Casserres 700 +5.3% 207 Font-rubí 660 +3.9% 208 El Pla del Penedès 640 +3.2% 209 Vallbona d'Anoia 630 +4.1% 210 Sant Martí de Centelles 610 +0.8% 211 Sant Martí de Tous 600 +4.3% 212 Calders 570 0% 212 Figaró-Montmany 570 +3.6% 212 Olost 570 0% 215 Vilobí del Penedès 520 +6.1% 216 Cercs 505 +2% 217 Les Cabanyes 500 +1% 218 Santa Maria d'Oló 495 +3.1% 219 Montesquiu 480 0% 219 Sant Cugat Sesgarrigues 480 +1.1% 221 Rellinars 460 0% 222 Jorba 440 +1.1% 223 Santa Maria de Martorelles 425 -1.2% 224 Pacs del Penedès 420 -3.4% 225 Olvan 410 +1.2% 226 La Llacuna 405 +3.8% 227 Sant Bartomeu del Grau 395 +1.3% 228 Òrrius 390 -3.7% 229 La Pobla de Lillet 385 +4.1% 229 Vilalba Sasserra 385 +2.7% 231 Castellcir 380 -1.3% 232 Guardiola de Berguedà 375 0% 233 Muntanyola 370 +5.7% 234 Carme 365 +4.3% 235 Castellolí 345 +3% 235 Les Masies de Roda 345 -6.8% 237 Monistrol de Calders 335 +4.7% 237 Sant Quirze Safaja 335 0% 239 Rajadell 330 +6.5% 240 Sant Mateu de Bages 280 0% 241 Campins 275 +3.8% 241 Puigdàlber 275 +3.8% 241 Sant Feliu Sasserra 275 +10% 244 Oristà 260 +4% 245 Els Prats de Rei 240 0% 246 Castellfollit del Boix 230 0% 247 Fogars de Montclús 215 -10.4% 247 Pontons 215 +4.9% 249 Montmajor 205 -6.8% 249 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 755,920 in March 2026, according to the Institut d'Estadística de Catalunya.
Which municipality has the lowest social Security affiliates? Sant Jaume de Frontanyà, with 10 in March 2026.
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 