Census info for 1920 USA

I know they don't add up, but don't know why ... yet. Maine ... 1 family ... Md ... 1 family ... Ga ... 1 family ... Fl ... 1 family ... Tx ... 1 family ... New Hampshire ... 1 family ... New York ... 1 family ... Pa .... 2 families W.Va ... 3 families ... Ohio ... 1 family ... Id ... 1 family ... Io ... 1 family ... Nb ... 1 family ... SD ... 4 families ... MN ... 3 families ... Montana ... 1 family ... California ... 2 families ... Tn ... 2 families