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).
The 2014 Jacksonville, Florida, population is 823,652. There are 1,103 people per square mile (population density). The median age is 35.4. The US median is 37.2. 47.10% of people in Jacksonville, Florida, are married. 13.67% are divorced. The average household size is 2.59 people. 29.61% of people are married, with children. 20.45% have children, but are single. 60.48% of people are white, 30.52% are black, 4.30% are asian, 0.31% are native american, and 1.41% claim 'Other'.