More from the article...

... But in 1992, something shifted. While Shays carried every town in his district, the youthful governor of Arkansas, Democrat Bill Clinton, managed to eke out wins in some of the larger cities like Norwalk and Stamford. Even Greenwich, the old bastion of Republicanism that was the childhood home of then-president George H.W. Bush, less than half of voters cast their ballots from the hometown favorite.

...

Connecticut's political realignment has not been entirely bad news for Republicans, who have gained ground in many smaller, more sparsely-populated towns in the eastern half of the state. Those shifts, however, have been less dramatic and involved a smaller number of people to make up for the changes taking place in the more-populated suburbs.

In 2020, President Joe Biden carried every town along Connecticut's Gold Coast en route to a 20-point victory in the state.

In addition to its transformation into a blue state, the weight of Connecticut's electorate has also shrunk in recent decades as the country's population has shifted toward the Sun Belt. The state's sixth congressional district, which covered the northwest corner, was eliminated during reapportionment following the 2000 census -- taking one electoral vote along with it. ...

[the bar chart in the article, "Most CT towns have voted for democratic presidents since 1992" shows a dramatic shift in 1992]