Khakasia is a district with a "second type of urbanization". The features of this type are: relatively early urbanization, comparatively slight density of village population, great centralization of urban population. A structure of Khakasian urban population in the second half of XXth century depended on construction of Saiansky TPC. A share of urban population in Khakasia was higher than index all over the country. It was owing to great paces of industrial development.