What does 91381 stand for? 

91381

Stevenson Ranch is an unincorporated community in the Santa Clarita Valley of Los Angeles County, California. Stevenson Ranch is set in the foothills of the Santa Susana Mountains and lies west of Interstate 5 and the city of Santa Clarita. Stevenson Ranch encompasses about 6.4 square miles (17 km2). About 1,000 acres (4.0 km2) are set aside as parks, recreation areas, and open space. A master-planned community, it was approved by the county in 1987. The population was 20,178 at the time of the 2020 census. For statistical purposes, the Census Bureau has designated it a census-designated place (CDP). It is home to Stevenson Ranch, Pico Canyon, and Oak Hills elementary schools (part of the Newhall School District), and Rancho Pico Junior High and West Ranch High School (part of the William S. Hart Union High School District). The Valencia Marketplace and Stevenson Ranch Shopping Center are popular shopping areas in the community. Six Flags Magic Mountain, an amusement park, is located about three miles (4.8 km) north of Stevenson Ranch. The area backs up to the historic oil-mining town of Mentryville, founded in 1875. The names of many streets located in Stevenson Ranch are those of authors (e.g., Thackeray, Hemingway, Shakespeare, and Poe). It is also the filming location of several film and television productions, including the television show Weeds, a Showtime original series, as well as the feature film Pleasantville. Its master-planned nature is at the heart of the suburban commentary of Weeds, such as the "Little Boxes" song and sprawling development portrayed in the opening of the show.

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