According to Statistics Poland (GUS), Łódź was inhabited by 672,185 people and had a population density of 2,292 persons per square kilometre (5,940/sq mi), Approximately 55.7 percent of inhabitants are of working age (18–64 years), which is a considerable decrease from 64.1 percent in 2010. An estimated 29.1 percent is of post-working age compared to 21.8 percent ten years earlier. In 2020, 54.39 percent (365,500) of all residents were women. Łódź has one of the highest feminisation rates among Poland's major cities, a legacy of the city's industrial past, when the textile factories attracted large numbers of female employees.
