Monticello is an unincorporated community in Titus County, Texas, United States.

[1] Monitcello is situated on Farm to Market Road 127.

It is named for Lake Monticello, which is located southward.

The town was settled in the 1850s, and a post office opened in 1857, with Cicero J. Corder serving as the first postmaster.

By 1890, it had a population of 40, and had a brick factory, a school, two gins, two stores and two mills, one a steam mill operated by Theodore Stewig, which was the largest business.