The population census in Crimea-- the first on the Black Sea peninsula since it joined Russia in March began in Crimea Oct 14 and will end Oct 25.
Crimean Statistics Service official Yelena Tvirovich told journalists that residents will be given a census form with 33 questions.
They include address, type of housing, family status, income, and ethnic identity.
According to a 2001 census, Crimea's population was 2.34 million, with more than 60 percent identifying themselves as Russian, 24 percent as Ukrainian, and 12.4 percent as Crimean Tatars.
Russia held a nationwide census in 2010 and plans another in 2020.