Jackson County, organized as one of the original 33 counties by the Territorial Legislature, was organized on September 24, 1855.The county was founded by George Coleman; Stephen J. Elliot; John Dutt; Simon McCrory; Simeon Fees; Godfrey Hafer; James H. Baxter; S. W. McComas; Peter Bryant; Preston H. Humphrey; John James; J. H. Bateman; A. Ash; John ...
Population. 1  The population of Greenville is 26,723. 2  67.9% of the total population of Greenville is White, 16.2% is Black or African American, and 1.4% is Asian. 3  The age distribution of Greenville is 56.1% ages 20-64 years, 27.7% ages 19 years or younger and 16.2% ages 65 years or older. 4  The median age for females is 36.6 years old.
An estimated 350 people lived in the county when it was formed from Fannin and Nacogdoches counties in 1846 and named for Memucan Hunt, the first Texas minister to Washington. Greenville, established on land donated by McQuinney H. Wright and James G. Bourland, became the county seat.