of individuals, and 10.2% had someone living alone who was 65 years of age or older. The average household size was 2.18 and the average family size was 2.85. 21.4% are under the age of 18, 8.7% from 18 to 24, 26.9% from 25 to 44, 21.8% from 45 to 64, and 21.1% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 99.0 males. For every 100 females age 18 and over, there were 92.4 males. The median income for a household in the city was $31,442, and the median income for a family was $47,750. Males had a median income of $34,125 versus $23,750 for females. The per capita income for the city was $19,110. About 2.8% of families and 5.2% of the population were below the poverty line, including 2.7% of those under age 18 and 8.0% of those age 65 or over. Water towers Granger is well known for having two water towers, with one labeled HOT and the other labeled COLD (both jokingly). Education The Woodward-Granger Community School District serves most of the children in Granger, but the Johnston Community School District also serves a section of Granger. The nearest Catholic school of the Roman Catholic Diocese of Des Moines is St. Pius X School in Urbandale. The diocese formerly operated Assumption Catholic School in Granger. Circa 2013 it had about 82-92 students. In 2016 that was down to 62. In addition to the enrollment drop, the school's expenses grew. The school closed in 2016. The area Catholic high school is Dowling Catholic High School in West Des Moines. References Cities in Iowa Cities in Dallas County, Iowa Cities in Polk County, Iowa Des Moines metropolitan area