Keep in mind that any voltage, by definition, is a difference in electric potential energy between two points. So while we may say that a voltage source has a voltage of 1.5V, we are actually saying that the voltage between the negative and positive polarities of the voltage source is 1.5V.
Jacksonville, Texas. As of the census[1] of 2000, there were 13,868 people, 4,882 households, and 3,358 families residing in the city. The population density was 981.0 people per square mile (378.7/km2). There were 5,397 housing units at an average density of 381.8 per square mile (147.4/km2).
Jacksonville metropolitan area. The Jacksonville metropolitan area, also called Greater Jacksonville or Metro Jacksonville, is the metropolitan area centered on the principal city of Jacksonville, Florida and including the First Coast of North Florida. According to the 2010 United States Census, the total population was 1,345,596, with a 2016 estimate of 1,478,212.