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 is a census-designated place (CDP) in New Castle County, Delaware, United States. The population was 2,332 at the 2000 census. Greenville is located at 39Â°46â²30â³N 75Â°35â²48â³W / 39.775Â°N 75.59667Â°W / 39.775; -75.59667 (39.774879, -75.596619). According to the United States Census Bureau, the CDP has a total area of 2.8 square miles (7.1 kmÂ²), of which, 2.7 square miles (7.1 kmÂ²) of it is land and 0.04 square miles (0.1 kmÂ²) of it (0.73%) is water.