2011 Bulgarian census
The 2011 population census in Bulgaria was conducted between February 1 and 28 by the National Statistical Institute. It is the 17th population census in the demographic history of Bulgaria. It was carried out using two methods of information collection - electronically through an on-line census on the Internet and traditionally through visits by enumerators and the completion of a paper census card. For the first time in Bulgaria, a census is being conducted via the Internet. As of February 1 2011, the population of Bulgaria was 7,364,570, of whom 3,777,999 were women and 3,586,571 were men.
Results
Settlements
Distribution of settlements according to the size of their population as of February 1, 2011:| Populated areas | Population | Percentage of total population | Average number of inhabitants in one settlement | |
| Total | 5,302 | 7,364,570 | 100.00 | 1,389.01 |
| 0 | 181 | 0 | 0.00 | 0.00 |
| 1–10 | 417 | 1,960 | 0.02 | 4.70 |
| 11–50 | 703 | 19,596 | 0.26 | 27.87 |
| 51–100 | 522 | 38,923 | 0.52 | 74.56 |
| 101–500 | 1,927 | 501,828 | 6.81 | 260.41 |
| 501–1,000 | 750 | 529,684 | 7.19 | 706.24 |
| 1,001–10,000 | 725 | 1,685,472 | 22.88 | 2,324.78 |
| 10,001–50,000 | 58 | 1,237,904 | 16.80 | 21,343.17 |
| 50,001–100,000 | 12 | 876,356 | 11.89 | 73,021.33 |
| Over 100,000 | 7 | 2,472,847 | 33.57 | 353,263.85 |