Carlisle is a borough in and the county seat of Cumberland County, Pennsylvania, United States. The name is traditionally pronounced with emphasis on the second syllable. Carlisle is located within the Cumberland Valley, a highly productive agricultural region. As of the 2010 census, the borough population was 19,262.
Vernon is a city in Lamar County, Alabama, United States. The city is the county seat of Lamar County, and previously served as the seat of its two predecessors, Jones County (not to be confused with Covington County), which briefly existed in 1867, and for Sanford County from 1868 until it was renamed Lamar in 1877. It incorporated in 1870.
General Mount Vernon Information Lawrence County where Mount Vernon resides is 613.38 square miles. The resident population of this county is 35,204 and has a population rank of 1,242 out of all the places in the United States. Mount Vernon has a total of 4,017 people and of those residents there are 1,935 males and 2,082 females. The median age of the male population is 36.9 and the female population is 44. There are approximately 485 births each year and around 425 deaths.