Charter Oak

Geography

Charter Oak is located at (34.101308, -117.857656). Charter Oak is primarily flat ground, though the South Hills of Glendora form much of the northern border, and there is a small valley in the southeast quadrant, with Walnut Creek flowing in the bottom. The other major water feature in Charter Oak is the San Dimas Wash, a concrete-lined flood control channel which was formerly the San Dimas River, a tributary of the San Gabriel River. Both Walnut Creek and San Dimas wash flow from east-northeast toward west-southwest, the wash in Glendora and the creek in Covina. The ground is described as "dry riverbed," with sandy soil which was suitable not only for the citrus orchards which once were the primary industry in the area, but also for several nurseries growing cactus and other small plants. According to the United States Census Bureau, the CDP has a total area of , all of it land.

Race & ethnicity

Largest nearby schools

• Diamond Bar High
  High · Diamond Bar · 2,557 students · 26.6:1 ratio
• Options For Youth - Duarte Inc
  High · City Of Industry · 2,354 students · 28:1 ratio
• Glendora High
  High · Glendora · 2,273 students · 25:1 ratio
• Claremont High
  High · Claremont · 2,256 students · 24.8:1 ratio
• Walnut High
  High · Walnut · 2,158 students · 23.2:1 ratio
• John A. Rowland High
  High · Rowland Heights · 2,025 students · 24.4:1 ratio
• West Covina High
  High · West Covina · 1,887 students · 21.4:1 ratio
• Bonita High
  High · La Verne · 1,883 students · 25.8:1 ratio