The point at which a child becomes an adolescent is defined by the onset of puberty or by the beginning of the teenage stage. Adolescence is also viewed as ending with the teenage stage. However, in some individuals (particularly females), puberty begins in the preadolescence years.
Grundy County, Illinois. Grundy County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 50,063. Its county seat is Morris. Grundy County is part of the Chicago-Naperville-Elgin, IL-IN-WI Metropolitan Statistical Area.
At the time of the 2010 Census, Moline had a population of 43,483 people (or 29.47% of the total population of Rock Island County). This makes Moline the county's most populous community. The population of Moline represents 0.34% of the total population of Illinois (which has 12,830,632 people), making it the state's 35th most populous community.