Source Data Reference for:
City = Chicago
Time = 1850
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Chicago | 1850 | 30,000 | Jan Lahmeyer | http://www.populstat.info/ | n/a | ||
| Chicago | 1850 | 28,000 | Tertius Chandler | Four thousand years of urban growth | p53 | ||
| Chicago | 1858 | 100,000 | passed for the 1st time | Tertius Chandler | Four thousand years of urban growth | p542 | |
| Chicago | 1861 | 124,000 | Tertius Chandler | Four thousand years of urban growth | p54 |