[FLT-bird]

I would need to see actual data for that - not just a number and somebody claiming its possible to get to that number based on schedule 2 information.

[Ditto]

See “Schedule 2. Slave Inhabitants”

National Archives: 1860 Census Records

[Ditto]

Here are on set of calculations based on 1860 Census data.

Viral post gets it wrong about extent of slavery in 1860