In both 1969 and 1971, Florio was elected to represent Legislative District 3D in the New Jersey General Assembly, covering portions of Camden County, each time with Democratic running mate John J. Horn, whom Florio had served as a legislative aide while he was still in law school [REF].
In November 1974, Florio was elected to the United States House of Representatives from New Jersey's 1st congressional district, and served from January 3, 1975, until January 16, 1990.