👥 Romanian Counties by Population
Population of each county (județ) at the 2021 census.
Bucharest9%
Iași4%
Prahova3.6%
Cluj3.6%
Constanța3.4%
Timiș3.4%
Suceava3.4%
Bacău3.2%
Dolj3.1%
Argeș3%
Bihor2.9%
Brașov2.9%
Ilfov2.8%
Mureș2.7%
Galați2.6%
Dâmbovița2.5%
Neamț2.4%
Maramureș2.4%
Arad2.2%
Buzău2.1%
Botoșani
Sibiu
Olt
Vaslui2%
Hunedoara1.9%
Vâlcea1.8%
Vrancea1.8%
Satu Mare
Alba
Teleorman
Gorj
Bistrița-Năsăud
Harghita
Călărași
Brăila
Giurgiu
Ialomița
Caraș-Severin
Mehedinți
2 others2.1%
1
Bucharest
1.72M
2
Iași
0.76M
3
Prahova
0.70M
4
Cluj
0.68M
5
Constanța
0.66M
6
Timiș
0.65M
7
Suceava
0.64M
8
Bacău
0.60M
9
Dolj
0.60M
10
Argeș
0.57M
11
Bihor
0.55M
12
Brașov
0.55M
13
Ilfov
0.54M
14
Mureș
0.52M
15
Galați
0.50M
16
Dâmbovița
0.48M
17
Neamț
0.45M
18
Maramureș
0.45M
19
Arad
0.41M
20
Buzău
0.41M
21
Botoșani
0.39M
22
Sibiu
0.39M
23
Olt
0.38M
24
Vaslui
0.37M
25
Hunedoara
0.36M
26
Vâlcea
0.34M
27
Vrancea
0.34M
28
Satu Mare
0.33M
29
Alba
0.33M
30
Teleorman
0.32M
31
Gorj
0.31M
32
Bistrița-Năsăud
0.30M
33
Harghita
0.29M
34
Călărași
0.28M
35
Brăila
0.28M
36
Giurgiu
0.26M
37
Ialomița
0.25M
38
Caraș-Severin
0.25M
39
Mehedinți
0.23M
40
Sălaj
0.21M
41
Covasna
0.20M
42
Tulcea
0.19M
Highlights
Within Romania, Bucharest ranks first in 2021 with 1.72M, followed by Iași (0.76M) and Prahova (0.70M).
Bucharest is 2.3 times higher than Iași, the runner-up.
Across 42 entries, values run from 1.72M (Bucharest) to 0.19M (Tulcea), with a median of 0.39M.
Source: National Institute of Statistics (INS), 2021 census (via Wikipedia), 2021. Unit: million people.
Source: National Institute of Statistics (INS), 2021 census (via Wikipedia) · CC BY-SA 4.0 (Wikipedia); underlying data © the cited publisher · fetched Oct 14, 2026