Qarabag.com presents information on the demographic data of Kalbajar (city, district) from 1912 to 1989. While compiling the material, official Russian and Soviet sources were used.

City of Kalbajar

1912: 300 Tatars lived in the village of Kalbajar.
[Caucasian calendar as of 1912, p. 168]

1939: Population – 1089

Male – 656
Female – 433
http://www.demoscope.ru/weekly/ssp/rus_pop_39_4.php

1979: Population – 5.670

Male – 2.742
Female – 2.928 
http://www.demoscope.ru/weekly/ssp/ussr79_reg2.php

 

Kalbajar district

1926: Population – 12.048

Male – 6.227
Female – 5.821
[Population of Azerbaijan according to the census of December 17, 1926. Preliminary results., p. 13]

1931-1932: Population of Kalbajar district – 18.649

Male – 9.715
Female – 8.934

Ethnic composition

Turks – 17.005
Armenians – 7
Kurds – 1.619
Russians – 9
Ukrainians – 18

The number of literate persons –  8.491
[The population census of Azerbaijan in 1931.1932, pp. 214-215]

1939: Population – 20.931

Male – 11.044
Female – 9.887
http://www.demoscope.ru/weekly/ssp/rus_pop_39_4.php

1970: Population – 33.487

Male – 16.635
Female – 16.852
http://www.demoscope.ru/weekly/ssp/ussr70_reg1.php

1989: Population – 43.713

Male – 21.754
Female – 21.959
http://www.demoscope.ru/weekly/ssp/sng89_reg1.php