Below are the urban areas with more than 100,000 inhabitants in Switzerland ranked by population.
Urban Area (or urban agglomeration) population refers to the population contained within the contours of a contiguous territory inhabited at urban density levels, typically comprising a city and its surrounding suburban fringe.
| Rank | Urban Area | Population Estimate (2025) | 1 Year Change (over 2024) | Land Area (Km²) | Density (P/Km²) | Global Rank | Projections (2030) | Projections (2050) |
|---|---|---|---|---|---|---|---|---|
| 1 | Zurich | 689,657 | 0.72% | 182 | 3,789 | 783 | 703,453 | 744,913 |
| 2 | Geneva | 436,587 | 1.15% | 79 | 5,526 | 1,277 | 442,497 | 452,921 |
| 3 | Basel | 333,021 | 2.16% | 90 | 3,700 | 1,722 | 338,483 | 343,914 |
| 4 | Lausanne | 293,509 | 2.85% | 75 | 3,913 | 1,983 | 300,211 | 307,889 |
| 5 | Berne (Bern) | 206,716 | 0.99% | 56 | 3,691 | 2,886 | 210,726 | 216,188 |
| 6 | Lucerne | 148,486 | 0.6% | 37 | 4,013 | 4,089 | 150,729 | 153,738 |
| 7 | Winterthur | 103,553 | 1.37% | 30 | 3,452 | 5,983 | 104,967 | 106,857 |
| 8 | Lugano | 93,677 | 1.13% | 29 | 3,230 | 6,608 | 94,916 | 96,641 |
| 9 | Montreux | 74,950 | 0.69% | 26 | 2,883 | 8,302 | 78,386 | 84,566 |
| 10 | Biel/Bienne | 72,704 | 0.99% | 18 | 4,039 | 8,554 | 73,539 | 76,250 |
| 11 | Thun | 72,691 | 0.71% | 26 | 2,796 | 8,556 | 73,911 | 75,595 |
| 12 | St. Gallen | 70,630 | 0.56% | 17 | 4,155 | 8,791 | 75,937 | 78,563 |
| 13 | Olten | 69,817 | 0.63% | 31 | 2,252 | 8,886 | 72,182 | 73,513 |
| 14 | Freiburg im Üechtland | 68,276 | 1.56% | 19 | 3,593 | 9,079 | 69,408 | 70,982 |
| 15 | Wettingen | 67,987 | 0.67% | 20 | 3,399 | 9,119 | 68,992 | 70,429 |
| 16 | Aarau | 56,190 | 0.66% | 22 | 2,554 | 10,957 | 57,019 | 59,772 |
| 17 | Neuchâtel | 53,235 | 0.7% | 20 | 2,662 | 11,560 | 54,124 | 58,670 |
Source: United Nations, Department of Economic and Social Affairs, Population Division (2025). World Urbanization Prospects: The 2025 Revision, Online Edition.