New social risks are key factors for social cohesion of local community and society. Currently new social risks which are caused by changes in a society appears more frequently than efore. While previously the groups of underprivileged were counted in endangered groups, now middle class can be affected as well. This report shows a spatial distribution of these risks. How to obtain this result is shown on a concrete example of the city of Ostrava. This report seeks to establish future influence of industrial city cohesion. Mainly processes of industrialization and desindustrialization are examined in a detail especially their effect to demo-social structure of the city. Results are based on the research of the project named „Industrial society in postindustrial city" under which were large sociological research of Ostrava and long term monitoring of statistical indicators realised. All the social problems lead to disability to keep housing. Social risk distribution is surveyed in a context of large area, specifically in the Moravian-Silesian Region, where a centre of the agglomeration is just city of Ostrava.