A striking way to see the importance of slavery is to look at a map of the total free population: a photo negative, if you will, of slavery. Finally, the dynamics of the free African American population looked more like the free white population than the slave population. Abraham Lincoln consulted it throughout the Civil War. Maps can't tell us everything, but they can help, especially interactive web maps that can zoom in and out, represent more than one subject, and be set in motion to show change over time. Coast Survey published a large map , approximately two feet by three feet, titled a "Map showing the distribution of the slave population of the southern states of the United States. For example, the Census did not count any slaves in Vermont, which abolished slavery in its constitution. In counties along the Atlantic Coast in and , the population of slaves at any one time was nearly at its peak.
Salma. Age: 22.
In , the slave population reached its peak of nearly 59, people; by , there were 37, enslaved people, just 63 percent as many slaves as two decades earlier.
Anabella. Age: 25.
File:Letty Lind as Iris (A Greek Slave, 1898).gif
A striking way to see the importance of slavery is to look at a map of the total free population: a photo negative, if you will, of slavery. In the first decades of the early republic, the northern states had a significant population of slaves, which only slowly diminished through gradual emancipation laws. The data in my maps is drawn from the to Censuses compiled by the Minnesota Population Center, [ National Historical Geographic Information System] , version 2. An animation of density of the total population from to