Causes of the Civil War Statistics
By the Numbers
Immigration and Territory
- Between 1840 and 1860, estimated number of people that entered the United States: 4 million13
- Of those that immigrated to the U.S. between 1840 and 1860, the percent that headed for northern states: 90%14
- Size of territory ceded by Mexico to the United States with the signing of the Treaty of Guadalupe-Hidalgo in February 1848: 525,000 square miles or 1.4 million square kilometers15
- In the election of 1860, the total number of votes that Republican candidate Abraham Lincoln received in Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, and Texas: zero
Free and Enslaved Black Population 1830 – 1860
Free Black Population | Enslaved Black Population | ||
1830 | 319,599 | 1830 | 2,009,04316 |
1840 | 386,293 | 1840 | 2,873,64817 |
1850 | 434,495 | 1850 | 3,204,31318 |
1860 | 488,070 | 1860 | 3,953,76019 |