| District ID | 2nd District |
| Representative | Joe Courtney |
| Party Affiliation | Democrat |
| Partisan Voting Index (PVI) | D+3 |
| 06498 |
| 06475 |
| 06469 |
| 06456 |
| 06447 |
| 06443 |
| 06442 |
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| 06409 |
| 06389 |
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| 06365 |
| 06360 |
| 06359 |
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| 06349 |
| 06340 |
| 06339 |
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| 06331 |
| 06330 |
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| 06280 |
| 06279 |
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| 06269 |
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| 06232 |
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| 06226 |
| 06093 |
| 06084 |
| 06082 |
| 06078 |
| 06076 |
| 06073 |
| 06071 |
| 06066 |
| 06043 |
| 06033 |
| 06029 |
| 02891 |