Roseville, California shows a slowly growing population growth as the population of kids (age 0-14) are greater in amount to the population which give birth (age 20-34). This population growth is explained at Roseville is a city which is good for both raising a family and working, which is why families are commonly children, but not too many.
Oskaloosa City, Iowa shows a stable population with an increase in population age 20-24. This increase is explained as William Penn University is located in Oskaloosa, Iowa.
Seattle, Washington shows a decreasing population shown in the great difference between the adult population (age 20-44) and children population (age 0-14). This decreasing population is explained as Seattle is a large urban city, in which adults are searching for work instead of a family life.
Laie, Hawaii shows a stable population, with a large increase in young adults. The increase in young adults is explained as Laie is home to Brigham Young University.
Cambridge, Massachusetts shows a slowly decreasing population along with an increase in young adults. The increase in young adults is explained as Cambridge is home to Harvard University. The decreasing population is explained as the adults who live in Cambridge have a higher education, so women are more motivated to work instead of being at home.
Savage, Minnesota shows a stable population, with an decrease in young adults. The stable population is explained as Savage is not an urban or rural area, so commonly women both have a work and family life. The decrease in young adults is explained as young adults emigrate from Savage to cities with colleges and better job opportunities.