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, Griggsville had a population of 1,226 people (which is 7.46% of the total population of Pike County). This makes Griggsville the county's 3rd most populous community. With a 2010 count of 1,226 people, the population of Griggsville decreased 2.54% from the 2000 Census (which had a count of 1,258 people). Taken from the 2016 Census Estimates, Griggsville had an population of 1,170 people.