All About Adolescence. Adolescence typically describes the years between ages 13 and 19 and can be considered the transitional stage from childhood to adulthood. However, the physical and psychological changes that occur in adolescence can start earlier, during the preteen or tween years (ages 9 through 12).
Grimes, Iowa - Basic Facts. The City of Grimes had a population of 10,904 as of July 1, 2016. Grimes ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.
The county's Census-estimated population was 155,854 in 2015, representing a 0.7% decrease from the 156,898 enumerated at the 2010 United States Census, in turn increasing by 10,460 (+7.1%) from the 146,438 counted in the 2000 Census, retaining its position as the state's 16th-most populous county.