[22] Florham Park was incorporated as a borough by an act of the New Jersey Legislature on March 9, 1899, from portions of Chatham Township.

[25] Since 2008, Florham Park has been the main operations headquarters for the National Football League's New York Jets.

At various times during its history, the area was known as Hoppingtown, Broomtown, Columbia, Afton, and finally Florham Park.

[23] Florence Adele Vanderbilt Twombly (1854–1952), granddaughter of Cornelius Vanderbilt, renowned as the richest man in America, and her husband, financier, Hamilton McKown Twombly, came to the Morris County countryside in 1887, joining over 100 other millionaires who owned sprawling country retreats.

"Florham," built on 840 acres (3.4 km2), one of America's finest Gilded Age homes, was the result.

Owned by Leslie Ward—one of the founders of the Prudential Insurance Company and the first vice president of the company—it was named "Brooklake Park", partially because of the beautiful lake that was on the property.

[29] Both of these families were supporters of many civic projects including the petitioning of the State of New Jersey to create their own municipality.

[1][2] Unincorporated communities, localities and place names located partially or completely within the borough include Columbia Ridge.

[38][39] Florham Park is the North American headquarters of the BASF corporation, the world's largest chemical company.

The Jets relocated to Florham Park from their old facilities at Hofstra University in Hempstead, New York.

The team holds its day-to-day operations during the year in Florham Park, while relocating during July and August to Cortland, New York, for training camp.

Florham Park beat out Berkeley Heights, Jersey City, Millburn, South Amboy, and Wood-Ridge, which had all been finalists contending to be the host of the new facility.

[7] The borough form of government used by Florham Park, the most common system used in the state, is a "weak mayor / strong council" government in which council members act as the legislative body, with the mayor presiding at meetings and voting only in the event of a tie.

The mayor can veto ordinances subject to an override by a two-thirds majority vote of the council.

[46][47] As of 2024[update], the mayor of Florham Park is Republican Mark Taylor, serving a term of office ending on December 31, 2027.

[48] Members of the borough council are Scott Carpenter (R, 2024), Nicholas Cicarelli (R, 2025), Glen Johnstone (R, 2026), Charles J. Malone Jr. (R, 2026), Joshua I. Marchal (R, 2024) and Kristen Santoro (R, 2025).

[3][49][50][51][52][53][54] In May 2013, the borough council chose Council President Mark Taylor from a list of three candidates nominated by the Republican municipal committee to fill the vacant mayoral seat of R. Scott Eveland, who had resigned from office in March from a term expiring in December 2015.

[58] For the 119th United States Congress, New Jersey's 11th congressional district is represented by Mikie Sherrill (D, Montclair).

[62] Actual day-to-day operation of departments is supervised by County Administrator Deena Leary.

[114][115] Service had been offered on the MCM8 route, which was suspended in 2010 after subsidies to the contract provider were eliminated as part of NJ Transit budget cuts.