Derbent has been separated from Azerbaijan since 1840, what are you talking about?
Here is the official statistics:
http://www.ethno-kavkaz.narod.ru/derbentskiy02.html
According to 2010 census, total number of Azerbaijani Turks in Dagestan are 131 thousands.
http://www.ethno-kavkaz.narod.ru/rndaghestan.html
Avars: 850 thousands
Dargins: 490 thousands
Kumyks: 432 thousands
Lezgins: 385 thousands
Laks: 161 thousands
Azerbaijanis: 131 thousands
Tabassarans: 119 thousands
Russians: 104 thousands
Nogais: 40 thousands
Total number of Turkic groups: 603 thousands.
Here is the official statistics:
http://www.ethno-kavkaz.narod.ru/derbentskiy02.html
According to 2010 census, total number of Azerbaijani Turks in Dagestan are 131 thousands.
http://www.ethno-kavkaz.narod.ru/rndaghestan.html
Avars: 850 thousands
Dargins: 490 thousands
Kumyks: 432 thousands
Lezgins: 385 thousands
Laks: 161 thousands
Azerbaijanis: 131 thousands
Tabassarans: 119 thousands
Russians: 104 thousands
Nogais: 40 thousands
Total number of Turkic groups: 603 thousands.