As of the census[3] of 2000, there were 28,284 people, 9,184 households, and 8,173 families residing in the CDP. The population density was 1,078.8 inhabitants per square mile (416.5/km2). There were 9,401 housing units at an average density of 358.6 per square mile (138.5/km2). The racial makeup of the CDP was 94.15% White, 1.74% African American, 0.12% Native American, 2.63% Asian, 0.02% Pacific Islander, 0.26% from other races, and 1.07% from two or more races. Hispanic or Latino of any race were 1.21% of the population.
There were 9,184 households, out of which 48.1% had children under the age of 18 living with them, 82.7% were married couples living together, 4.7% had a female householder with no husband present, and 11.0% were non-families. 9.1% of all households were made up of individuals, and 3.4% had someone living alone who was 65 years of age or older. The average household size was 3.06 and the average family size was 3.26.
In the CDP, the population was spread out, with 31.7% under the age of 18, 5.2% from 18 to 24, 27.2% from 25 to 44, 27.9% from 45 to 64, and 8.1% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 97.6 males. For every 100 females age 18 and over, there were 95.9 males.
The median income for a household in the CDP was $80,744, and the median income for a family was $83,171. Males had a median income of $61,255 versus $33,620 for females. The per capita income for the CDP was $31,367. About 1.0% of families and 1.4% of the population were below the poverty line, including 1.4% of those under age 18 and 1.2% of those age 65 or over.
The following schools, all of Penn-Harris-Madison lie within the boundaries of Granger:
Discovery Middle School (6-8)
Horizon Elementary School (K-5)
Mary Frank Elementary School (K-5)
Northpoint Elementary School (K-5)
Prairie Vista Elementary School (K-5)
The respective schools serve the majority of the parts of Granger in Penn-Harris-Madison. Elsie Rogers and Walt Disney elementary schools and Schmucker Middle School, outside of Granger, serve other parts of Granger.[8] All residents of the Penn-Harris-Madison district are zoned to Penn High School, which is not in Granger.
The school zoning for the South Bend district portion is as follows (none of these schools are in Granger):
Darden Elementary School[9] (In 2020: Tarkington Elementary School,[10] which closed in 2021, with most students reassigned to Darden Elementary,[11] and in the 2000s Swanson Elementary School[12])