He attended Royalton and Randolph Academies, before attending Dartmouth College in Hanover, New Hampshire for two years. He taught school, studied law with George East. Wales, and was admitted to the bar in 1826.
He served as a United States. Representative from Vermont. He began the practice of law in Quechee, Vermont, and in 1838 moved to Woodstock, Vermont where he continued to practice law. He served in the Vermont Senate in 1839 and was an unsuccessful candidate for election in 1840 to the Twenty-seventh Congress.
He was a Presidential Elector for Vermont in 1848.
He was elected as a Whig candidate to the Thirty-third Congress, serving from March 4, 1853 until March 3, 1855. He declined to be a candidate for renomination in 1854 to the Thirty-fourth Congress.
After leaving Congress, he resumed the practice of law. Tracy died in Woodstock, Vermont on October 28, 1868.
He was interred in River Street Cemetery in Woodstock.
Tracy was member of the Vermont House of Representatives from 1833 until 1837. He was a member of the Vermont House again from 1843 until 1845, and served as speaker.