In 1860--the last decennial census before the Civil War--Mississippi and South Carolina had larger slave population than free population. The same was true in 1850. (Note that "free population" is not the same thing as "white population", but that's the data we have).
The slave state of South Carolina had placed themselves in an unusual situation with regards to the number of slaves there in 1860. More than half of South Carolina's population were slaves. If slavery, in the eyes of the white population, was abolished all at once, the white population would be outnumbered. As an aside, when Senator Calhoun from South Carolina saw the "slave problem" he pushed for the annexation of Texas in order to spread the slave population more evenly in the South. This was made easier when he was appointed to be the US Secretary of State.
About 3.5 million slaves and about another 500,000 free blacks. The total southern population was 9 million, so that left five million white southerners to fight the 21 million white northerners.
New York.
Of the total southern white population of 8,099,760 in 1860, only 384,000 owned slaves.
they dont.
The nearest US Census was taken in 1830. In that year the entire United States had a population of 12.8 million, of whom 10.5 million were free white, 0.3 million free black, and 2.0 million slaves. The census recorded slaves in all states except Vermont although the numbers outside the south were very small. In the southern states the total white population was 3.1 million with 1.9 million black slaves. In two states the free white population was outnumbered by black slaves: South Carolina, 258,000 white and 315,000 black slave Louisiana, 89,000 white and 110,000 black slave. The number of slave owners was not counted by the census that year.
white
The Three-Fifths Compromise settled the issue of how slave populations would be considered in determining representation in the House of Representatives. In the South, the slave population sometimes outnumber the white population because of the immense number of slaves the plantation owners had.
The White Slave - 1907 was released on: USA: June 1907
They compromised. The slave states could count the slave population towards representation in the house of representatives. However, a slave was only considered as 3/5ths of a white citizen. It is referred to as the "3/5ths Compromise".
the white men benifitted, slave owners
The Berbice Slave Uprising took place in Guyana from 1763 to 1764. A house slave name Cuffy organized thousands of slaves to revolt against their masters. They burned down plantations and effectively removed the white population from the area.