[6] In 1833, Warren contained county buildings, two printing offices, a bank, five mercantile stores, and about 600 inhabitants.

In that same year, the town had five churches, twenty stores, three newspaper offices, one bank, one wool factory and two flourmills.

[citation needed] In June 1846, a fire destroyed several buildings on one side of the town square, but residents soon replaced them with new stores and other businesses.

[citation needed] Warren became an important center of trade for farmers living in the surrounding countryside during this period.

Songwriter Stephen Foster, his wife Jane McDowell, and their daughter Marion lived briefly in Warren.

In that same year, there were five newspaper offices, seven churches, three banks and numerous manufacturing firms in Warren.

Construction began on the Trumbull County Courthouse in downtown Warren on Thanksgiving Day, 1895.

In recent years, many Warren residents have worked in local service and retail sales businesses.

Many examples of late 19th and early 20th century architectural styles still stand in downtown Warren, including the Trumbull County Courthouse, which contains one of the largest courtrooms in the state of Ohio, and the Trumbull County Carnegie Law Library; in addition to office buildings, banks, stores, and homes surrounding the Courthouse Square area.

[10] John Ashbery mentions Warren in his poem 'Pyrography', first published in an exhibition catalogue in 1976 and included in his 1977 collection Houseboat Days.

The Roman Catholic Diocese of Youngstown also operates the private John F. Kennedy Catholic School, with a Lower Campus for grades kindergarten through 5 and an Upper Campus for grades 6 through 12.

It traces its history to the Trump of Fame in 1812, the first newspaper in what had been the Connecticut Western Reserve.

[24] Warren is part of the Youngstown media market, and is served by Youngstown-based television and radio stations.

Warren is served by the Western Reserve Transit Authority, which provides bus service throughout Mahoning County.