Nyköping is a municipality in central Sweden, in the county of Södermanland. The municipality covers an area of 1421.1 km². Of the total population of 49063, 24119 are male, and 24944 are female. The population density of the community is 35 inhabitants per km².
... out of which 43.7% have children under the age of 18 living with them, 70.4% are married couples living together, 9.9% have a female householder with no husband present, ...