John Condict was born in Orange in the Province of New Jersey and after attending public schools he then studied medicine.

[2][3] Condict was appointed as a Democratic Republican to the United States Senate to fill the vacancy in the term beginning March 4, 1803, caused by the failure of the legislature to elect.

He was again appointed to the Senate to fill the vacancy caused by the resignation of Aaron Kitchell.

He was elected to the Sixteenth Congress and served from March 4, 1819, to November 4, 1819, when he resigned to accept a Treasury position; appointed assistant collector of the port of New York 1819–1830.

He was surgeon in Col. Van Cortland's Battalion (Heard's Brigade, June 29, 1776).