[20] The township, and all of Burlington County, is a part of the Philadelphia-Reading-Camden combined statistical area and the Delaware Valley.

"[23] The name "Cinnaminson" is said to derive from the Lenape Native American word "Senamensing," which means "sweet water".

[24] Alternatively, the name may derive from Native American words meaning "stone island".

The intersection point is on the 4th fairway of the Riverton Country Club Golf Course, less than 1⁄2 mile from the Municipal Building.

[31][32] Unincorporated communities, localities and place names located partially or completely within the township include Bellview,[citation needed] East Riverton, New Albany, North Pennsville, Parry, Taylor and Wrightsville.

[33] The 2010 United States census counted 15,569 people, 5,535 households, and 4,351 families in the township.

[42][43] Cinnaminson is home to the Burlington County Footlighters, a community theatre company founded in 1938 who perform regularly at a playhouse within the township.

[45] Additionally, Cinnaminson facilitates an all-ages regional chorus and wind ensemble.

[54][55][56] For the 119th United States Congress, New Jersey's 3rd congressional district is currently represented Herb Conaway (D, Delran Township).

[58] For the 2024-2025 session, the 7th legislative district of the New Jersey Legislature is represented in the State Senate by Troy Singleton (D, Palmyra) and in the General Assembly by Carol A. Murphy (D, Mount Laurel).

[59] Burlington County is governed by a Board of County Commissioners composed of five members who are chosen at-large in partisan elections to serve three-year terms of office on a staggered basis, with either one or two seats coming up for election each year; at an annual reorganization meeting, the board selects a director and deputy director from among its members to serve a one-year term.

[82] Among the township's 2010 Census population, 68.9% (vs. 61.7% in Burlington County) were registered to vote, including 88.6% of those ages 18 and over (vs. 80.3% countywide).

[90] The Cinnaminson Township Public Schools serves students in pre-kindergarten through twelfth grade.

[101] The superintendent of schools is Stephen M. Cappello and the business administrator / board secretary is Melissa Livengood.

[102] Students from Cinnaminson Township, and from all of Burlington County, are eligible to attend the Burlington County Institute of Technology, a countywide public school district that serves the vocational and technical education needs of students at the high school and post-secondary level at its campuses in Medford and Westampton.

[105] St. Charles Borromeo Parish School serves about 300 students in Pre-K–8th grade from several area communities, operating as part of the Roman Catholic Diocese of Trenton.

The Cinnaminson station located on Broad Street[109] offers southbound service on the River Line light rail system to Camden and the Walter Rand Transportation Center (with transfers available to the PATCO Speedline) and northbound service to the Trenton Transit Center with connections to NJ Transit trains to New York City, SEPTA trains to Philadelphia, and Amtrak trains.