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 January 2026, at 755,165. Sant Jaume de Frontanyà had the lowest, at 10. The median was 1,620. Source: the Institut d'Estadística de Catalunya.
Median 1,620 311 municipalities
Barcelona Barcelona: 755,165 persons 755,165 L'Hospitalet de Llobregat L'Hospitalet de Llobregat: 124,165 persons 124,165 Terrassa Terrassa: 104,405 persons 104,405 Sabadell Sabadell: 99,265 persons 99,265 Badalona Badalona: 98,345 persons 98,345 Mataró Mataró: 56,700 persons 56,700 Santa Coloma de Gramenet Santa Coloma de Gramenet: 50,720 persons 50,720 Sant Cugat del Vallès Sant Cugat del Vallès: 44,320 persons 44,320 Cornellà de Llobregat Cornellà de Llobregat: 41,315 persons 41,315 Sant Boi de Llobregat Sant Boi de Llobregat: 37,985 persons 37,985 Rubí Rubí: 37,245 persons 37,245 Manresa Manresa: 32,710 persons 32,710 Viladecans Viladecans: 32,100 persons 32,100 Vilanova i la Geltrú Vilanova i la Geltrú: 30,360 persons 30,360 Castelldefels Castelldefels: 30,345 persons 30,345 Granollers Granollers: 29,220 persons 29,220 El Prat de Llobregat El Prat de Llobregat: 29,160 persons 29,160 Cerdanyola del Vallès Cerdanyola del Vallès: 25,880 persons 25,880 Mollet del Vallès Mollet del Vallès: 23,745 persons 23,745 Vic Vic: 23,130 persons 23,130 Sant Feliu de Llobregat Sant Feliu de Llobregat: 21,360 persons 21,360 Gavà Gavà: 21,170 persons 21,170 Esplugues de Llobregat Esplugues de Llobregat: 20,330 persons 20,330 Vilafranca del Penedès Vilafranca del Penedès: 18,580 persons 18,580 Ripollet Ripollet: 18,195 persons 18,195 Igualada Igualada: 17,585 persons 17,585 Sant Joan Despí Sant Joan Despí: 17,065 persons 17,065 Montcada i Reixac Montcada i Reixac: 16,995 persons 16,995 Sant Adrià de Besòs Sant Adrià de Besòs: 15,975 persons 15,975 Barberà del Vallès Barberà del Vallès: 15,555 persons 15,555 Sant Pere de Ribes Sant Pere de Ribes: 14,040 persons 14,040 Molins de Rei Molins de Rei: 13,000 persons 13,000 Sitges Sitges: 12,920 persons 12,920 Sant Vicenç dels Horts Sant Vicenç dels Horts: 12,900 persons 12,900 Martorell Martorell: 12,865 persons 12,865 Premià de Mar Premià de Mar: 12,700 persons 12,700 Sant Andreu de la Barca Sant Andreu de la Barca: 12,525 persons 12,525 Castellar del Vallès Castellar del Vallès: 12,210 persons 12,210 Santa Perpètua de Mogoda Santa Perpètua de Mogoda: 12,085 persons 12,085 Olesa de Montserrat Olesa de Montserrat: 11,395 persons 11,395 persons. Source: Idescat . Retrieved 2026-10-07. Full ranking Rank Municipalities January 2026persons Change on January 2025 1 Barcelona 755,165 +1.4% 2 L'Hospitalet de Llobregat 124,165 +3.6% 3 Terrassa 104,405 +2.7% 4 Sabadell 99,265 +3.2% 5 Badalona 98,345 +2.3% 6 Mataró 56,700 +1.9% 7 Santa Coloma de Gramenet 50,720 +2.5% 8 Sant Cugat del Vallès 44,320 +0.8% 9 Cornellà de Llobregat 41,315 +3.2% 10 Sant Boi de Llobregat 37,985 +2.4% 11 Rubí 37,245 +2.8% 12 Manresa 32,710 +3.9% 13 Viladecans 32,100 +3.5% 14 Vilanova i la Geltrú 30,360 +3.8% 15 Castelldefels 30,345 +0.8% 16 Granollers 29,220 +3.5% 17 El Prat de Llobregat 29,160 +1.7% 18 Cerdanyola del Vallès 25,880 +1.5% 19 Mollet del Vallès 23,745 +2.8% 20 Vic 23,130 +3.2% 21 Sant Feliu de Llobregat 21,360 +1.8% 22 Gavà 21,170 +1.8% 23 Esplugues de Llobregat 20,330 +2.5% 24 Vilafranca del Penedès 18,580 +3.5% 25 Ripollet 18,195 +2% 26 Igualada 17,585 +2.1% 27 Sant Joan Despí 17,065 +2.2% 28 Montcada i Reixac 16,995 +2.5% 29 Sant Adrià de Besòs 15,975 +1.9% 30 Barberà del Vallès 15,555 +1.6% 31 Sant Pere de Ribes 14,040 +2.2% 32 Molins de Rei 13,000 +2.2% 33 Sitges 12,920 +1% 34 Sant Vicenç dels Horts 12,900 +2.2% 35 Martorell 12,865 +4.1% 36 Premià de Mar 12,700 +1.1% 37 Sant Andreu de la Barca 12,525 +2.1% 38 Castellar del Vallès 12,210 +1.7% 39 Santa Perpètua de Mogoda 12,085 +2.5% 40 Olesa de Montserrat 11,395 +2.4% 41 El Masnou 11,285 +2% 42 Pineda de Mar 11,070 +3.2% 43 Esparreguera 10,445 +3.3% 44 Les Franqueses del Vallès 9,915 +3.2% 45 Sant Quirze del Vallès 9,385 +1.1% 46 Sant Just Desvern 9,375 +1.2% 47 Vilassar de Mar 9,305 0% 48 Parets del Vallès 9,065 +2.1% 49 Cardedeu 8,945 +2.9% 50 Caldes de Montbui 8,830 +2% 51 Manlleu 8,775 +2.5% 52 Sant Celoni 8,430 +2.8% 53 La Garriga 8,230 +1.9% 54 Lliçà d'Amunt 8,195 +2% 55 Piera 8,015 +4.8% 56 Tordera 7,880 +4% 57 Vallirana 7,770 +2.2% 58 Cubelles 7,765 +4.1% 59 Montornès del Vallès 7,740 +2% 60 Corbera de Llobregat 7,710 +2.3% 61 Calella 7,555 +1.4% 62 Malgrat de Mar 7,485 +3% 63 Palau-solità i Plegamans 7,425 +1.7% 64 Canovelles 7,030 +2.6% 65 Arenys de Mar 7,015 +2.1% 66 Torelló 6,890 +2.3% 67 Berga 6,870 +1.7% 68 Canet de Mar 6,375 +3.1% 69 Castellbisbal 6,365 +1.8% 70 Abrera 6,275 +1.9% 71 Montgat 6,100 +0.9% 72 Argentona 5,945 +2.5% 73 Sant Sadurní d'Anoia 5,910 +0.8% 74 La Llagosta 5,805 +1.8% 75 Pallejà 5,740 +2.4% 76 La Roca del Vallès 5,575 +3.2% 76 Vilanova del Camí 5,575 +3% 78 Llinars del Vallès 5,280 +3.8% 79 Sant Andreu de Llavaneres 5,240 +1% 80 Badia del Vallès 5,070 +2.4% 81 Bigues i Riells del Fai 5,060 +2.6% 82 Sant Joan de Vilatorrada 5,050 +3.1% 83 Masquefa 4,880 +3.7% 84 Premià de Dalt 4,785 +1.5% 85 Matadepera 4,695 +2.1% 86 Cervelló 4,680 +3% 87 Sentmenat 4,675 +2% 88 Tiana 4,630 +3.2% 89 L'Ametlla del Vallès 4,620 +1.9% 90 Santa Maria de Palautordera 4,565 +1.8% 91 Palafolls 4,545 +1.5% 92 Sant Fruitós de Bages 4,450 +1.7% 93 Arenys de Munt 4,335 +0.7% 94 Sant Esteve Sesrovires 4,325 +3.3% 95 Polinyà 4,290 +1.4% 96 Alella 4,280 -0.5% 97 Sant Fost de Campsentelles 4,275 +1.8% 98 Vilassar de Dalt 4,205 +1.3% 99 Santa Margarida de Montbui 4,200 +4% 100 Sant Vicenç de Castellet 4,190 +3.2% 100 Tona 4,190 +2.3% 102 Santa Coloma de Cervelló 4,170 +3% 103 Montmeló 4,145 +2.6% 104 Vacarisses 3,955 +4.5% 105 Gelida 3,815 +2.1% 106 Santa Eulàlia de Ronçana 3,785 +2.4% 107 Viladecavalls 3,745 +2.3% 108 Centelles 3,730 +1.5% 109 Begues 3,665 +1.9% 110 Santpedor 3,610 +1.3% 111 Cabrils 3,565 +1.1% 112 Santa Margarida i els Monjos 3,430 +2.7% 113 Sant Feliu de Codines 3,345 +3.4% 114 Lliçà de Vall 3,300 +2.6% 115 Taradell 3,295 +1.9% 116 Roda de Ter 3,240 +2.4% 117 Moià 3,155 +1.8% 117 Sant Antoni de Vilamajor 3,155 +1.6% 119 Torrelles de Llobregat 3,150 +1.4% 120 Dosrius 3,125 +3.3% 121 Teià 3,075 +3.9% 122 Sant Vicenç de Montalt 3,015 +2.7% 123 Vilanova del Vallès 2,860 +0.4% 124 Sallent 2,835 +0.7% 125 Navarcles 2,770 +1.3% 126 Artés 2,750 +2% 127 Navàs 2,705 +2.1% 128 Canyelles 2,640 +5.2% 129 Sant Pere de Vilamajor 2,500 +1.8% 130 Súria 2,445 +2.7% 131 Collbató 2,435 +3.6% 132 Cabrera de Mar 2,370 +0.4% 133 Sant Pol de Mar 2,345 +2.2% 134 Capellades 2,320 0% 135 Martorelles 2,245 +3.7% 136 El Papiol 2,185 +3.8% 137 Sant Climent de Llobregat 2,080 +1% 138 Olivella 1,980 +7.3% 139 Gironella 1,955 -0.5% 140 Olèrdola 1,910 +3.5% 141 Seva 1,905 +1.6% 142 Balenyà 1,885 +4.1% 143 Castellbell i el Vilar 1,880 +3.6% 144 El Pont de Vilomara i Rocafort 1,860 +2.2% 145 La Torre de Claramunt 1,855 +3.3% 146 Puig-reig 1,810 +2% 147 Sant Cebrià de Vallalta 1,800 +5.9% 148 Sant Hipòlit de Voltregà 1,795 +3.2% 149 Cardona 1,735 +2.1% 150 Sant Julià de Vilatorta 1,730 +3.3% 151 Òdena 1,710 +3% 152 Sant Salvador de Guardiola 1,675 +2.8% 153 Cànoves i Samalús 1,630 -0.3% 153 Vallgorguina 1,630 +3.2% 155 Santa Susanna 1,625 +1.6% 156 Les Masies de Voltregà 1,620 +0.6% 157 Sant Martí Sarroca 1,585 +1.6% 158 Subirats 1,555 +2.3% 159 Els Hostalets de Pierola 1,520 +2.4% 160 La Palma de Cervelló 1,455 -0.7% 161 Calaf 1,435 +3.6% 162 Sant Esteve de Palautordera 1,430 0% 163 Balsareny 1,420 -0.4% 163 Monistrol de Montserrat 1,420 +4.4% 165 Caldes d'Estrac 1,405 +0.4% 166 Gurb 1,360 +1.9% 166 Vallromanes 1,360 +1.9% 168 Calldetenes 1,310 -0.8% 169 Sant Llorenç d'Hortons 1,265 +3.7% 170 Castellet i la Gornal 1,250 +6.8% 171 Aiguafreda 1,230 +3.8% 172 Castellterçol 1,225 +2.5% 173 Prats de Lluçanès 1,215 +2.5% 174 El Bruc 1,205 +4.8% 175 Sant Pere de Torelló 1,195 +2.6% 176 Folgueroles 1,175 +1.3% 177 Santa Eugènia de Berga 1,155 +1.3% 178 Castellgalí 1,130 +4.6% 178 Mediona 1,130 +4.1% 180 Sant Pere de Riudebitlles 1,120 +1.4% 180 Ullastrell 1,120 +1.4% 182 Olesa de Bonesvalls 1,105 +8.9% 183 Sant Llorenç Savall 1,095 -0.5% 184 La Granada 1,075 +1.9% 184 La Pobla de Claramunt 1,075 +0.9% 186 Avinyó 1,065 +2.4% 187 Sant Quintí de Mediona 1,055 +4.5% 187 Sant Vicenç de Torelló 1,055 +4.5% 189 Avià 1,035 +1% 190 Torrelles de Foix 1,030 +5.1% 191 Castellví de Rosanes 1,020 -1% 191 L'Esquirol 1,020 +0.5% 193 Sant Quirze de Besora 950 0% 194 Callús 945 +0.5% 195 Bagà 870 +0.6% 196 Gualba 860 +6.8% 197 Avinyonet del Penedès 845 +0.6% 198 Castellví de la Marca 825 +5.1% 199 Cabrera d'Anoia 800 +8.1% 199 Torrelavit 800 +3.2% 201 Castellnou de Bages 765 +4.8% 202 Santa Eulàlia de Riuprimer 750 +2% 203 Fonollosa 735 0% 204 Fogars de la Selva 720 -1.4% 205 Casserres 695 +5.3% 206 Sant Iscle de Vallalta 690 +6.2% 207 El Pla del Penedès 645 +4.9% 207 Font-rubí 645 +4% 209 Vallbona d'Anoia 620 +5.1% 210 Sant Martí de Centelles 595 +0.8% 211 Sant Martí de Tous 590 +3.5% 212 Olost 575 +3.6% 213 Calders 570 +3.6% 214 Figaró-Montmany 560 +1.8% 215 Vilobí del Penedès 515 +7.3% 216 Les Cabanyes 500 +1% 217 Santa Maria d'Oló 495 +5.3% 218 Cercs 490 +1% 219 Sant Cugat Sesgarrigues 480 0% 220 Montesquiu 470 +2.2% 221 Rellinars 455 +1.1% 222 Jorba 445 +2.3% 223 Santa Maria de Martorelles 435 +4.8% 224 Pacs del Penedès 420 -2.3% 225 La Llacuna 400 +1.3% 225 Olvan 400 0% 225 Òrrius 400 0% 225 Sant Bartomeu del Grau 400 +3.9% 229 Castellcir 390 +1.3% 229 Vilalba Sasserra 390 +4% 231 Carme 370 +8.8% 231 Guardiola de Berguedà 370 0% 231 La Pobla de Lillet 370 0% 234 Muntanyola 360 +4.3% 235 Les Masies de Roda 350 -4.1% 236 Castellolí 345 +3% 237 Sant Quirze Safaja 340 +3% 238 Rajadell 330 +8.2% 239 Monistrol de Calders 320 +1.6% 240 Campins 275 0% 240 Sant Mateu de Bages 275 0% 242 Puigdàlber 265 0% 242 Sant Feliu Sasserra 265 +3.9% 244 Oristà 260 +6.1% 245 Els Prats de Rei 235 0% 246 Castellfollit del Boix 230 +4.5% 247 Fogars de Montclús 225 -4.3% 248 Pontons 210 +5% 248 Sant Boi de Lluçanès 210 -2.3% 250 Montmajor 205 -2.4%
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 755,165 in January 2026, according to the Institut d'Estadística de Catalunya.
Which municipality has the lowest social Security affiliates? Sant Jaume de Frontanyà, with 10 in January 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 