“Card Punch Operators working on population cards. A total of 2,400 punchers were employed and 1,859 punch machines of all types were used in the 1940 Census”

By an unknown photographer, Washington, DC, 1940

Even in the 1940s and 1950s, many workplaces were segregated based on race and gender. These white and African American census employees did the same job but sat in separate office areas. The white male and female census workers received job assignments considered appropriate to their gender.

National Archives, Records of the Census Bureau (29-C-1B-38)