Claim: The 1860 United States census reveals that the state that has highest slave population is Virginia with 490, 865 slaves.
Evidence: Virginia 490,865 0 0 0 0 0 0 114,931 225,483 275,719 462,198 331,059 435,080 436,631 0 0 331,726 402,406 87,189 0 18 0 182,566 0 111,115 0 0 0 0 0 61,745 1,798 0 2 0 3,185 89 0 15 0 0 0