| Rank | City | 1870 Population | Growth Rate (Annual) |
|---|---|---|---|
| 1 | New Haven | 50,840 | 2.6% |
| 2 | Hartford | 37,180 | 3.3% |
| 3 | Bridgeport | 18,969 | 4.6% |
| 4 | Norwich | 16,653 | 1.7% |
In 1870, the largest city in Connecticut was New Haven, with a population of 50,840. The second largest city is Hartford, with a population of 37,180.
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