How many slaves were there in the US in 1861?
According to the 1860 census:Total number of slaves in the Lower South : 2,312,352 (47% of total population).Total number of slaves in the Upper South: 1,208758 (29% of total population).Total number of slaves in the Border States: 432,586 (13% of total population).The information (which I have not checked) is here:http://civilwarcauses.org/stat.htm