List of European Union cities proper by population density
The population, population density, and land area for the cities of the European Union listed below are based on the entire city proper, the defined boundary or border of a city or the city limits of the city.
| Rank | City | Population | Area | Area | Density | Density | Country |
| 1 | Levallois-Perret | 66082 | 27420 | 71056 | France | ||
| 2 | Emperador | 692 | 23067 | 69200 | Spain | ||
| 3 | L'Hospitalet de Llobregat | 264923 | 21364 | 55599 | Spain | ||
| 4 | Paris | 2203817 | 20909 | 54415 | France | ||
| 5 | Mislata | 43278 | 20608 | 53430 | Spain | ||
| 6 | Benetússer | 14668 | 19300 | 50579 | Spain | ||
| 7 | Athens | 745514 | 19135 | 49560 | Greece | ||
| 8 | Sliema | 22591 | 17377 | 45182 | Malta | ||
| 9 | Thessaloniki | 325182 | 16840 | 43648 | Greece | ||
| 10 | Barcelona | 1621537 | 15991 | 41417 | Spain | ||
| 11 | Korydallos | 63445 | 14686 | 37991 | Greece | ||
| 12 | Senglea | 2784 | 13920 | 36062 | Malta | ||
| 13 | Nikaia | 89380 | 13441 | 34778 | Greece | ||
| 14 | Odivelas | 59604 | Portugal | ||||
| 15 | Casavatore | 18225 | 11818 | 28928 | Italy | ||
| 16 | Portici | 51901 | 11393 | 29658 | Italy | ||
| 17 | Lyon | 500715 | 10460 | 27095 | France | ||
| 18 | Melito di Napoli | 36334 | 10172 | 16293 | Italy | ||
| 19 | Cádiz | 116979 | 9700 | 25000 | Spain | ||
| 20 | San Giorgio a Cremano | 42096 | 8938 | 26475 | Italy | ||
| 21 | Piraeus | 448997 | 8906 | 23061 | Greece | ||
| 22 | Grenoble | 158240 | 8700 | 23000 | France | ||
| 23 | Bilbao | 353187 | 8688 | 22496 | Spain | ||
| 24 | Bucharest | 1926334 | 228 | 8449 | 21883 | Romania | |
| 25 | Naples | 913704 | 7828 | 20178 | Italy | ||
| 26 | Agualva-Cacém | Portugal | |||||
| 27 | Milan | 1371499 | 7551 | 19474 | Italy | ||
| 28 | Brussels | 1212352 | 7465 | 19460 | Belgium | ||
| 29 | Bresso | 26282 | 7415 | 11838 | Italy | ||
| 30 | Fuengirola | 75396 | 7400 | 19000 | Spain | ||
| 31 | Porto | 287591 | 6900 | 18000 | Portugal | ||
| 32 | Turin | 851199 | 6542 | 16936 | Italy | ||
| 33 | A Coruña | 246056 | 6510 | 16841 | Spain | ||
| 34 | Lisbon | 505526 | 39 | 6446 | 16696 | Portugal | |
| 35 | The Hague | 527748 | 6445 | 16690 | Netherlands | ||
| 36 | Valencia | 780834 | 5799 | 15019 | Spain | ||
| 37 | Amsterdam | 931748 | 5621 | 14558 | Netherlands | ||
| 38 | Madrid | 3141991 | 5390 | 14000 | Spain | ||
| 39 | Bordeaux | 250776 | 5081 | 13160 | France | ||
| 40 | Seville | 703021 | 140 | 5022 | 13007 | Spain | |
| 41 | Stockholm | 942370 | 188 | 73 | 5012 | 12909 | Sweden |
| 42 | Montpellier | 275318 | 4840 | 12536 | France | ||
| 43 | Dublin | 553165 | 4811 | 12460 | Ireland | ||
| 44 | Nice | 343895 | 4782 | 12385 | France | ||
| 45 | Munich | 1471508 | 4736 | 12267 | Germany | ||
| 46 | Dublin | 554554 | 4708 | 12193 | Ireland | ||
| 47 | Vienna | 1889083 | 4556 | 11800 | Austria | ||
| 48 | Copenhagen | 794128 | 4417 | 11439 | Denmark | ||
| 49 | Ottobrunn | 21542 | 4119 | 10664 | Germany | ||
| 50 | Malmö | 316588 | 4108 | 10642 | Sweden | ||
| 51 | Berlin | 3644826 | 4090 | 10594 | Germany | ||
| 52 | Toulouse | 479638 | 4054 | 10450 | France | ||
| 53 | Linköping | Sweden | |||||
| 54 | Palermo | 630427 | 3936 | 10168 | Italy | ||
| 55 | Świętochłowice | Poland | |||||
| 56 | Uppsala | Sweden | |||||
| 57 | Lund | Sweden | |||||
| 58 | Saint-Nicolas | 24251 | 3518 | 9117 | Belgium | ||
| 59 | Pescara | 118461 | 3445 | Italy | |||
| 60 | Warsaw | 1777972 | 3421 | 8860 | Poland | ||
| 61 | Mortsel | 25824 | 3355 | 8695 | Belgium | ||
| 62 | Plovdiv | 346893 | 3349 | 8674 | Bulgaria | ||
| 63 | Budapest | 1752286 | 3337 | 8642 | Hungary | ||
| 64 | Chorzów | Poland | |||||
| 65 | Gröbenzell | 19967 | 3139 | 8117 | Germany | ||
| 66 | Helsinki | Finland | |||||
| 67 | Stuttgart | 634830 | 3062 | 7930 | Germany | ||
| 68 | Herne | 156374 | 3041 | 7878 | Germany | ||
| 69 | Frankfurt am Main | 753056 | 3033 | 7855 | Germany |