List of Romanian counties by population List of Romanian counties by population List of Romanian counties by population

| County | _1948 | _1956 | _1966 | _1977 | _1992 | _2002 | _2011 |
|---|---|---|---|---|---|---|---|
| Teleorman | 487394 | 510488 | 516222 | 518943 | 482281 | 436025 | 380123 |
| Vâlcea | 341590 | 362356 | 368779 | 414241 | 436298 | 413247 | 371714 |
| Satu Mare | 312672 | 337351 | 359393 | 393840 | 400158 | 367281 | 344360 |
| Alba | 361062 | 370800 | 382786 | 409634 | 414227 | 382747 | 342376 |
| Gorj | 280524 | 293031 | 298382 | 348521 | 400100 | 387308 | 341594 |
| Vrancea | 290183 | 326532 | 351292 | 369740 | 392651 | 387632 | 340310 |
| Brăila | 271251 | 297276 | 339954 | 377954 | 392069 | 373174 | 321212 |
| Harghita | 258495 | 273964 | 282392 | 326310 | 347637 | 326222 | 310867 |
| Călărași | 287722 | 318573 | 337261 | 338807 | 338844 | 324617 | 306691 |
| Caraș-Severin | 302254 | 327787 | 358726 | 385577 | 375794 | 333219 | 295579 |
| Bistrița-Năsăud | 233650 | 255789 | 269954 | 286628 | 327238 | 311657 | 286225 |
| Giurgiu | 313793 | 325045 | 320120 | 327494 | 313084 | 297859 | 281422 |
| Ialomiţa | 244750 | 274655 | 291373 | 295965 | 304008 | 296572 | 274148 |