Below are the urban areas with more than 100,000 inhabitants in Romania 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 | București (Bucharest) | 1,909,536 | −0.23% | 240 | 7,956 | 262 | 1,881,192 | 1,766,910 |
| 2 | Timișoara | 319,240 | −0.12% | 59 | 5,411 | 1,801 | 316,238 | 301,605 |
| 3 | Cluj-Napoca | 310,650 | −0.1% | 46 | 6,753 | 1,848 | 308,086 | 298,725 |
| 4 | Iași | 275,840 | −0.27% | 47 | 5,869 | 2,104 | 269,691 | 254,340 |
| 5 | Constanța | 268,757 | −0.24% | 74 | 3,632 | 2,169 | 264,941 | 247,357 |
| 6 | Craiova | 251,285 | −0.24% | 43 | 5,844 | 2,317 | 247,346 | 233,484 |
| 7 | Brasov | 226,778 | −0.2% | 43 | 5,274 | 2,595 | 223,754 | 212,281 |
| 8 | Galați | 225,126 | −0.37% | 45 | 5,003 | 2,620 | 221,846 | 204,754 |
| 9 | Ploiești | 188,227 | −0.23% | 35 | 5,378 | 3,210 | 183,938 | 172,095 |
| 10 | Oradea | 163,471 | −0.1% | 35 | 4,671 | 3,707 | 162,086 | 158,133 |
| 11 | Brăila | 160,688 | −0.23% | 28 | 5,739 | 3,769 | 158,273 | 145,300 |
| 12 | Pitești | 143,613 | −0.26% | 26 | 5,524 | 4,253 | 141,281 | 133,603 |
| 13 | Sibiu | 132,037 | −0.21% | 26 | 5,078 | 4,632 | 130,162 | 124,290 |
| 14 | Bacău | 128,303 | −0.27% | 30 | 4,277 | 4,762 | 126,109 | 119,138 |
| 15 | Târgu Mureș | 126,369 | −0.09% | 27 | 4,680 | 4,835 | 125,337 | 115,570 |
| 16 | Arad | 117,918 | −0.13% | 34 | 3,468 | 5,216 | 116,761 | 106,528 |
| 17 | Baia Mare | 101,425 | −0.1% | 19 | 5,338 | 6,094 | 100,553 | 97,696 |
| 18 | Botoșani | 96,938 | −0.27% | 17 | 5,702 | 6,378 | 95,302 | 88,058 |
| 19 | Buzău | 92,820 | −0.56% | 16 | 5,801 | 6,670 | 91,394 | 85,993 |
| 20 | Suceava | 85,818 | −0.29% | 21 | 4,087 | 7,251 | 84,281 | 77,810 |
| 21 | Drobeta-Turnu Severin | 81,735 | −0.25% | 19 | 4,302 | 7,629 | 80,431 | 74,464 |
| 22 | Satu Mare | 81,597 | −0.1% | 20 | 4,080 | 7,644 | 80,886 | 77,370 |
| 23 | Focșani | 69,669 | −0.23% | 14 | 4,976 | 8,913 | 68,617 | 64,190 |
| 24 | Piatra Neamț | 69,638 | −0.26% | 17 | 4,096 | 8,919 | 68,489 | 64,219 |
| 25 | Târgoviște | 65,113 | −0.24% | 15 | 4,341 | 9,514 | 64,093 | 58,312 |
| 26 | Târgu Jiu | 61,928 | −0.25% | 14 | 4,423 | 10,023 | 60,945 | 56,286 |
| 27 | Slatina | 58,960 | −0.26% | 18 | 3,276 | 10,483 | 58,002 | 54,665 |
| 28 | Râmnicu Vâlcea | 58,850 | −0.26% | 10 | 5,885 | 10,501 | 57,889 | 56,214 |
| 29 | Bistrița | 54,468 | −0.1% | 14 | 3,891 | 11,299 | 53,996 | 51,068 |
Source: United Nations, Department of Economic and Social Affairs, Population Division (2025). World Urbanization Prospects: The 2025 Revision, Online Edition.