Below are the urban areas with more than 100,000 inhabitants in Serbia 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 | Beograd (Belgrade) | 1,121,410 | −0.25% | 191 | 5,871 | 463 | 1,105,930 | 1,028,781 |
| 2 | Novi Sad | 262,324 | −0.25% | 53 | 4,950 | 2,223 | 258,669 | 237,492 |
| 3 | Niš | 199,431 | −0.75% | 37 | 5,390 | 2,999 | 196,063 | 179,080 |
| 4 | Kragujevac | 130,084 | −0.62% | 37 | 3,516 | 4,692 | 127,806 | 118,785 |
| 5 | Novi Pazar | 79,249 | −0.32% | 15 | 5,283 | 7,871 | 77,866 | 70,626 |
| 6 | Subotica | 77,043 | −0.28% | 25 | 3,082 | 8,100 | 75,851 | 64,988 |
| 7 | Borca | 70,139 | −0.27% | 23 | 3,050 | 8,850 | 69,101 | 59,444 |
| 8 | Kraljevo | 66,017 | −0.32% | 21 | 3,144 | 9,386 | 64,868 | 58,895 |
| 9 | Čačak | 63,182 | −0.34% | 19 | 3,325 | 9,805 | 62,011 | 57,338 |
| 10 | Pančevo | 61,476 | −0.28% | 20 | 3,074 | 10,096 | 60,519 | 53,254 |
| 11 | Kruševac | 59,527 | −0.34% | 14 | 4,252 | 10,390 | 58,423 | 54,263 |
| 12 | Zrenjanin | 59,018 | −0.8% | 21 | 2,810 | 10,476 | 58,068 | 52,717 |
| 13 | Leskovac | 51,170 | −0.33% | 13 | 3,936 | 11,968 | 50,243 | – |
Source: United Nations, Department of Economic and Social Affairs, Population Division (2025). World Urbanization Prospects: The 2025 Revision, Online Edition.