- Joined
- Apr 4, 2017
- Location
- Denver, CO
https://www2.census.gov/library/publications/decennial/1860/statistics/1860d-01.pdf?# p. xviii. 62,000 in just New York, Philadelphia, Baltimore and Boston, alone in 1860. 8,000 in Lowell, MA and 5,000 in Newark, NJ.