<P> The total population of these 10 cities was 1,459,023 . </P> <P> 1860 was the eve of the American Civil War . This was the eighth United States Census . This is the first census where the Northeast does not hold a supermajority of the top ten largest cities . </P> <Table> <Tr> <Th> Rank </Th> <Th> City </Th> <Th> State </Th> <Th> Population </Th> <Th> Notes </Th> </Tr> <Tr> <Th> </Th> <Td> New York </Td> <Td> New York </Td> <Td> 813,669 </Td> <Td> </Td> </Tr> <Tr> <Th> </Th> <Td> Philadelphia </Td> <Td> Pennsylvania </Td> <Td> 565,529 </Td> <Td> The large jump in population between the seventh and eighth censuses is due to the 1854 Act of Consolidation, which greatly expanded the City of Philadelphia to be coterminous with Philadelphia County, and abolished all other local governments in the county . The "Philadelphia" prior to 1854 is present - day Center City . </Td> </Tr> <Tr> <Th> </Th> <Td> Brooklyn </Td> <Td> New York </Td> <Td> 266,661 </Td> <Td> </Td> </Tr> <Tr> <Th> </Th> <Td> Baltimore </Td> <Td> Maryland </Td> <Td> 212,418 </Td> <Td> </Td> </Tr> <Tr> <Th> 5 </Th> <Td> Boston </Td> <Td> Massachusetts </Td> <Td> 177,840 </Td> <Td> </Td> </Tr> <Tr> <Th> 6 </Th> <Td> New Orleans </Td> <Td> Louisiana </Td> <Td> 168,675 </Td> <Td> </Td> </Tr> <Tr> <Th> 7 </Th> <Td> Cincinnati </Td> <Td> Ohio </Td> <Td> 161,044 </Td> <Td> </Td> </Tr> <Tr> <Th> 8 </Th> <Td> St. Louis </Td> <Td> Missouri </Td> <Td> 160,773 </Td> <Td> </Td> </Tr> <Tr> <Th> 9 </Th> <Td> Chicago </Td> <Td> Illinois </Td> <Td> 112,172 </Td> <Td> First appearance in top 10 . In the previous census, it was the 24th largest American city with a population of 29,963 . At one point, Chicago would be the world's fastest growing city . </Td> </Tr> <Tr> <Th> 10 </Th> <Td> Buffalo </Td> <Td> New York </Td> <Td> 81,129 </Td> <Td> First appearance in top 10 . Would not re-appear until 1900 . </Td> </Tr> </Table> <Tr> <Th> Rank </Th> <Th> City </Th> <Th> State </Th> <Th> Population </Th> <Th> Notes </Th> </Tr>

In which part of the united states were most of the largest cities located in 1860
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