Peridot is located in southeastern Gila County and northwestern Graham County within the San Carlos Apache Indian Reservation. U.S. Route 70 passes through the community, leading west 20 miles (32 km) to Globe, the Gila County seat, and southeast 57 miles (92 km) to Safford, the Graham County seat. The San Carlos River, a tributary of the Gila River, flows southward through the CDP and forms the county boundary. Coolidge Dam, forming San Carlos Lake on the Gila and San Carlos rivers, is 11 miles (18 km) to the south.
According to the United States Census Bureau, the Peridot CDP has a total area of 5.2 square miles (13.4 km2), all land.[4]
As of the census[6] of 2000, there were 1,266 people, 307 households, and 261 families residing in the CDP. The population density was 242.5 inhabitants per square mile (93.6/km2). There were 346 housing units at an average density of 66.3 per square mile (25.6/km2). The racial makeup of the CDP was 98.0% Native American, 1.4% White, and 0.6% from two or more races. 2.6% of the population were Hispanic or Latino of any race. Out of the town's Native Americans, 93.0% are Apache, making Peridot the most Apache community in the United States.
There were 307 households, out of which 50.2% had children under the age of 18 living with them, 55.4% were married couples living together, 20.5% had a female householder with no husband present, and 14.7% were non-families. 12.4% of all households were made up of individuals, and 3.6% had someone living alone who was 65 years of age or older. The average household size was 4.12 and the average family size was 4.50.
In the CDP, the population was spread out, with 40.4% under the age of 18, 9.7% from 18 to 24, 26.8% from 25 to 44, 17.5% from 45 to 64, and 5.5% who were 65 years of age or older. The median age was 25 years. For every 100 females, there were 101.0 males. For every 100 females age 18 and over, there were 93.8 males.
The median income for a household in the CDP was $18,194, and the median income for a family was $18,750. Males had a median income of $19,348 versus $17,102 for females. The per capita income for the CDP was $5,765. About 49.4% of families and 58.9% of the population were below the poverty line, including 69.9% of those under age 18 and 36.5% of those age 65 or over.
Specimens of the mineral peridot can be collected in the volcanic hills between Peridot and Globe, or purchased at local rock shops. After wet winters, the Peridot area often has displays of spring wildflowers.
Travel off the main highways requires a tribal recreation permit, available from the San Carlos Recreation and Wildlife department, and at local convenience and sporting-goods stores.
