2010 Census Info
According to the latest (2010) Census, Waterville has a population of 15,722. This is a change of 0.7%, from a population of 15,605, in the 2000 Census.
City of Waterville 2010 Census Information can be found using the following link: http://quickfacts.census.gov/qfd/states/23/2380740.html
To see general Census information, not specific to the City of Waterville, you can also visit the main census website at: http://www.census.gov/