Date oficiale · National Institute of Statistics (INS)
Romania's counties in figures
The 42 county-level units, by resident population on 1 January 2026. Each has its own page, with everything INS publishes about it.
The 42 units, by population
| # | County | People |
|---|---|---|
| 1 | Bucharest Municipality | 1,713,832 provisional |
| 2 | Iași | 781,948 provisional |
| 3 | Cluj | 701,564 provisional |
| 4 | Prahova | 683,460 provisional |
| 5 | Timiș | 672,972 provisional |
| 6 | Constanța | 656,512 provisional |
| 7 | Suceava | 648,164 provisional |
| 8 | Ilfov | 619,461 provisional |
| 9 | Dolj | 594,523 provisional |
| 10 | Bacău | 590,169 provisional |
| 11 | Brașov | 564,632 provisional |
| 12 | Argeș | 561,864 provisional |
| 13 | Bihor | 558,623 provisional |
| 14 | Mureș | 519,813 provisional |
| 15 | Galați | 486,387 provisional |
| 16 | Dâmbovița | 475,812 provisional |
| 17 | Maramureș | 451,086 provisional |
| 18 | Neamț | 444,666 provisional |
| 19 | Arad | 410,058 provisional |
| 20 | Sibiu | 396,679 provisional |
| 21 | Buzău | 393,136 provisional |
| 22 | Botoșani | 386,529 provisional |
| 23 | Olt | 372,181 provisional |
| 24 | Vaslui | 363,247 provisional |
| 25 | Hunedoara | 349,011 provisional |
| 26 | Vâlcea | 337,988 provisional |
| 27 | Vrancea | 330,157 provisional |
| 28 | Satu Mare | 330,046 provisional |
| 29 | Alba | 324,901 provisional |
| 30 | Teleorman | 308,440 provisional |
| 31 | Gorj | 306,938 provisional |
| 32 | Bistrița-Năsăud | 298,129 provisional |
| 33 | Harghita | 292,267 provisional |
| 34 | Călărași | 277,347 provisional |
| 35 | Brăila | 269,804 provisional |
| 36 | Giurgiu | 258,793 provisional |
| 37 | Ialomița | 247,409 provisional |
| 38 | Caraș-Severin | 240,283 provisional |
| 39 | Mehedinți | 226,429 provisional |
| 40 | Sălaj | 210,335 provisional |
| 41 | Covasna | 199,596 provisional |
| 42 | Tulcea | 186,131 provisional |
Source: National Institute of Statistics (INS), matrix POP105A. Period covered: 2026. See the source.
The resident population of every county on 1 January, the same measure as on the population page. The Municipality of Bucharest is listed here because INS publishes it at county level; it is not a county.