Below are the urban areas with more than 100,000 inhabitants in Slovenia 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 | Ljubljana | 246,671 | 0.18% | 65 | 3,795 | 2,367 | 245,084 | 240,563 |
| 2 | Maribor | 82,053 | 0.18% | 22 | 3,730 | 7,597 | 81,510 | 79,897 |
Source: United Nations, Department of Economic and Social Affairs, Population Division (2025). World Urbanization Prospects: The 2025 Revision, Online Edition.