Located at the cross-roads between the Delaware Valley region to the southwest and the Raritan Valley region to the northeast, the township is an outer-ring suburb of New York City in the New York Metropolitan area, as defined by the United States Census Bureau,[17] but directly borders the Philadelphia metropolitan area and is part of the Federal Communications Commission's Philadelphia Designated Market Area.

[18] Since East Windsor is situated at the confluence of several major highways that serve both the major cities of New York City and Philadelphia, and even the local commercial hubs of nearby Freehold, Princeton, and the state capital of Trenton, the community has been a longtime residential, commercial, and industrial hub in the heart of Central New Jersey.

[1][2] Twin Rivers (2010 Census population of 7,443[25]) is an unincorporated community and census-designated place (CDP) located within East Windsor Township.

[26] According to "New Jersey: A Guide to the State" by Barbara Westergaard, Twin Rivers was "New Jersey's first planned unit development" and "has attracted the scrutiny of countless researchers, from sociologists and anthropologists to specialists in energy conservation."

[31] The Meadow Lakes continuing care retirement community occupies a 100-acre (40 ha) site that straddles the East Windsor-Hightstown boundary line.

[32] The 2010 United States census counted 27,190 people, 10,224 households, and 7,167 families in the township.

[44] As of the 2000 United States census[14] there were 24,919 people, 9,448 households, and 6,556 families residing in the township.

Neighboring Hightstown's Downtown has restaurants, boutiques, art galleries and historical sites.

[46][47] Downtown Hightstown, Inc., established in 2008, is an organization of businesses owners and stakeholders in the community of Hightstown, dedicated to promoting the "unique ability to be a town big enough to provide a diverse offering of business services while being small enough to offer excellent personal service to residents, visitors and customers.

[3][53][54][55][56] Johnnie Whittington was appointed to fill a seat expiring in December 2025 that became vacant following the death of Alan Rosenberg and served on an interim basis until the November 2023 election when he was chosen by voters to serve the balance of the term of office.

[58] Designed during the 1970s energy crisis and constructed in 1982, the township's municipal building was erected within a landscaped man-made hill, with only its south side exposed.

The design allows the building to maintain a comfortable climate inside for most of the year, with greatly reduced energy needs.

[60] On February 24, 2022, the computer servers of the East Windsor Municipal Offices were breached.

East Windsor officials said they first became aware of a municipal cyber breach on March 7, but a letter confirming receipt of an insurance claim contains a loss date from six days earlier.

[64] Several residents who were professional IT managers and cybersecurity experts offered to assist for free, but were never contacted back by the township.

[66] On May 9, a local cybersecurity expert[67] filed a 13-item Open Public Records Act request with the Township, including requests for "All documentation as to the scope and nature of the incident that is currently known” and “all documentation as to what personal records were released”.

Brady replied March 3 to the cyber threat intelligence analyst, and wrote that the Township was aware of the issue despite the later claim that the Township was not yet aware of the incident[71] It was also reported that over 900 people have had their personal information compromised—potentially including their birth date, driver's license and social security number—following the cyber breach.

[81][82][83] Prior to the 2011 reapportionment following the 2010 census, East Windsor had been in the 12th state legislative district.

[84] Prior to the 2010 Census, East Windsor had been part of the 4th Congressional District, a change made by the New Jersey Redistricting Commission that took effect in January 2013, based on the results of the November 2012 general elections.

[84] For the 119th United States Congress, New Jersey's 3rd congressional district is currently represented Herb Conaway (D, Delran Township).

[88] As of 2025[update], the County Executive is Daniel R. Benson (D, Hamilton Township) whose term of office ends December 31, 2027.

[131][132][133] Eighth grade students from all of Mercer County are eligible to apply to attend the high school programs offered by the Mercer County Technical Schools, a county-wide vocational school district that offers full-time career and technical education at its Health Sciences Academy, STEM Academy and Academy of Culinary Arts, with no tuition charged to students for attendance.

[151] East Windsor is served by CentraState Healthcare System, which is a 287-bed regional hospital affiliated with Rutgers Robert Wood Johnson Medical School, located in nearby Freehold Township.

[156] People who were born in, residents of, or otherwise closely associated with East Windsor Township include: