It is a part of the Greater Bridgeport Planning Region, the New York metropolitan statistical area, and is bordered by the towns of Fairfield to the south, Redding to the north, Weston to the west, and Monroe and Trumbull to the east.

In March 2023, Easton established a sister city relationship with Sviatohirsk, Donetsk, Ukraine.

In 1762 a congregation called the North Fairfield Society was established, and it gradually evolved into Easton.

The area was slow to develop because of the rough hills along the Aspetuck River, and so it was not until 1845 that what is now Easton separated from Weston.

The deaf and blind activist Helen Keller lived the last several years of her life in Easton.

The 2009 Rockefeller Center Christmas Tree was a 76-foot (23 m) Norway Spruce donated from a private residence in Easton.

It features games and food in addition to rides provided by the Stewart Amusement Company.

The carnival's proceeds help pay the yearly operating costs, improvements to house and equipment, and high priority gear.

In the First Selectman election, Democrat David Bindelglass won, defeating Republican Wendy Bowditch.

It began when Jim Castonguay, Director of the School of Communications, Media and the Arts at Sacred Heart University, reached out to former Easton Courier chief editor Nancy Doniger via LinkedIn, proposing the idea of a news publication created by students and faculty partnered up with the citizens of Easton.

[20] The newspaper began publication on February 29, 2020, as an online source with involvement from the town government.

They are all certified EMR's or EMT's and can provide oxygen, perform basic first aid, and defibrillation.

[27] The Route 59 bridge in Easton, which carries more than 10,000 cars and trucks every day over the Mill River, has a substructure rated in critical condition by state safety inspectors.

[28] In 2019, construction was conducted on a South Park Avenue bridge over Mill River[29] which ended in the summer of 2020.

[30] In May 2021, construction on another bridge on South Park Avenue began[31][32] which ended in December of the same year.