| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Abington | city | Connecticut | United States | 41.86056 | -72.00722 | 597 | 3503 |
| Achenbach | city | Connecticut | United States | 41.58722 | -72.7075 | 190 | 52695 |
| Acquidaneck historical | city | Connecticut | United States | 41.7875 | -71.86861 | 400 | 13914 |
| Acropolis historical | city | Connecticut | United States | 41.53639 | -73.20611 | 232 | 13605 |
| Addison | city | Connecticut | United States | 41.71833 | -72.57722 | 154 | 65551 |
| Allentown | city | Connecticut | United States | 41.64889 | -72.99083 | 898 | 46711 |
| Allingtown | city | Connecticut | United States | 41.2975 | -72.96056 | 22 | 144369 |
| Allyn Point | city | Connecticut | United States | 41.44167 | -72.07917 | 91 | 29211 |
| Almyville | city | Connecticut | United States | 41.71806 | -71.86667 | 298 | 11831 |
| Alsop Corner | city | Connecticut | United States | 41.80528 | -72.81806 | 236 | 28484 |
| Amesville | city | Connecticut | United States | 41.96278 | -73.37639 | 597 | 2821 |
| Amston | city | Connecticut | United States | 41.62528 | -72.34361 | 498 | 8301 |
| Andover | city | Connecticut | United States | 41.73722 | -72.37083 | 396 | 9400 |
| Ansonia | city | Connecticut | United States | 41.34611 | -73.07944 | 68 | 54039 |
| Aqua Vista | city | Connecticut | United States | 41.44611 | -73.44444 | 498 | 63267 |
| Armoryville historical | city | Connecticut | United States | 41.33694 | -72.9125 | 196 | 130675 |
| Arnolds | city | Connecticut | United States | 41.46583 | -72.515 | 124 | 7428 |
| Ashford | city | Connecticut | United States | 41.87306 | -72.12194 | 669 | 3213 |
| Aspetuck | city | Connecticut | United States | 41.21806 | -73.32139 | 252 | 21513 |
| Atchison Cove | city | Connecticut | United States | 41.57417 | -73.48472 | 698 | 11575 |
| Attawan Beach | city | Connecticut | United States | 41.30306 | -72.20722 | 9 | 16557 |
| Attawaugan | city | Connecticut | United States | 41.86722 | -71.88167 | 291 | 12868 |
| Atwoodville | city | Connecticut | United States | 41.78472 | -72.175 | 351 | 19559 |
| Augerville | city | Connecticut | United States | 41.37194 | -72.90639 | 82 | 130675 |
| Autumn HIll | city | Connecticut | United States | 41.51722 | -72.8725 | 265 | 65247 |
| Avery Corner | city | Connecticut | United States | 41.5175 | -72.25472 | 551 | 6597 |
| Avery Corner | city | Connecticut | United States | 41.59889 | -72.21139 | 344 | 4970 |
| Avon | city | Connecticut | United States | 41.80972 | -72.83111 | 187 | 28484 |
| Avon Park North | city | Connecticut | United States | 41.8125 | -72.83583 | 187 | 27647 |
| Avon Park South | city | Connecticut | United States | 41.80639 | -72.84111 | 213 | 27647 |
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