In the article there is a problem of the ethno-demographical conditions in the Khakass-Minusinsk region that influence the functioning of the Russian Orthodox Church. The use of the sources of the church demographical registration - confession information and the clergy register – allowed to define the demographical characteristics of the population, the ethnic correlation and the social structure more exactly. The parishes were the contact zones of the interethnic, civilizational, intercultural interaction of the people inhabited the Khakass-Minusinsk region.