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.
Greenville, MS. Online Offers. Greenville is a city in Washington County, Mississippi, United States. The population was 48,633 at the 2000 census, but according to the 2009 census bureau estimates, it has since declined to 42,764, making it the eighth-largest city in the state. It is the county seat of Washington County. Greenville was named after American Revolutionary War hero Nathanael Greene. Greenville is located on the eastern bank of Lake Ferguson, an oxbow lake left from an old channel of the Mississippi River.