1860年 Eighth (8th) (1860) U.S. Census 1860年 population 12.6 percent 1860 census 1860 United States Census 1860 US census 1860年 1860年 12.6 percent US Census 1860 at Wikipedia. 4 million African slaves 1860 United States Census about 30 million about 30 million https://en.wikipedia.org/wiki/1860_United_States_Census 1860 census 1860 census 1860 census population 1860 United States Census 1860年 1860 census 1860 United States Census 1860 United States Census 4 million English 1860 US census 12.6 percent 12.6 percent 12.6 percent 1860 census 1860 United States Census nearly four million. 1860年 1860年 https://en.wikipedia.org/wiki/1860_United_States_Census about 30 million nearly four million. 1860年 1860 US Census about 30 million 1860 census just before the Civil War Eighth United States Census English 1860 United States Census 1860 Census about 30 million about 30 million about 30 million English 1860 census 1860 census 1860 United States Census https://en.wikipedia.org/wiki/1860_United_States_Census 12.6 percent 1860 US Census 1860 United States Census 3,953,761 slaves 1860 census 1860 United States Census 12.6 percent 12.6 percent 12.6 percent about 30 million 1860 census