Altadena, California

Altadena, California
Name	Altadena
Settlement type	Unincorporated community
Subdivision type	Country
Subdivision name	United States
Subdivision type1	State
Subdivision name1	California
Subdivision type2	County
Subdivision name2	Los Angeles County

Altadena, California. Altadena is an unincorporated community and census-designated place in the foothills of the San Gabriel Mountains, within Los Angeles County. It is situated directly north of the city of Pasadena, from which its name is derived. Known for its historic estates, scenic views, and the iconic Christmas Tree Lane, the area blends residential charm with significant natural and architectural landmarks.

History

The land was originally part of the Rancho San Pascual, a Mexican land grant later acquired by Benjamin "Don Benito" Wilson and John S. Griffin. Modern development began in the 1880s with the establishment of the Pasadena Improvement Company by Captain Frederick and John Woodbury, who plotted the area and coined the name. The construction of the Mount Lowe Railway and its associated attractions, like the Alpine Tavern, brought tourism and notoriety in the late 19th and early 20th centuries. The community attracted wealthy Easterners and Midwesterners, leading to the construction of numerous Craftsman and Mediterranean Revival estates, with architects such as Charles and Henry Greene leaving a significant mark. The Zane Grey Estate and Scripps Hall became notable cultural fixtures, while the establishment of the Jet Propulsion Laboratory in the adjacent Arroyo Seco during the Great Depression introduced a scientific dimension to the region's history.

Geography

According to the United States Census Bureau, the community covers approximately 8.7 square miles, with virtually no water area. It is bordered by Eaton Canyon to the east, the Angeles National Forest to the north, the city of Pasadena to the south, and the community of La Cañada Flintridge to the west. The topography is defined by the steep front range of the San Gabriel Mountains, including prominent peaks like Mount Lowe and Echo Mountain. Major natural features include the Arroyo Seco and the Eaton Canyon Natural Area, while the area is part of the watershed for the Los Angeles River. The climate is classified as Mediterranean, with warmer, drier summers and cooler, wetter winters compared to the adjacent basin.

Demographics

As of the 2020 United States Census, the population was 42,777. The racial makeup was diverse, with significant White, Black or African American, Asian, and Hispanic or Latino populations. The median household income historically exceeds the averages for both Los Angeles County and California, with a high percentage of residents holding bachelor's degrees or higher. Housing is predominantly single-family homes, with a mix of historic properties and mid-century developments. The community is served by the Pasadena Unified School District, including schools like John Muir High School and Eliot Middle School.

Government

As an unincorporated area, local municipal services are provided directly by Los Angeles County. The Los Angeles County Board of Supervisors, specifically the Fifth District supervisor, represents the community. Law enforcement is provided by the Los Angeles County Sheriff's Department, with the Altadena Station serving as the local precinct. Fire protection and paramedic services are managed by the Los Angeles County Fire Department. The community is represented in the California State Legislature and the United States Congress, falling within districts that also cover much of the San Gabriel Valley.

Notable people

Many prominent individuals have lived in or been associated with the area. Science fiction writer Octavia E. Butler was a longtime resident. Astronomer Edwin Hubble resided here while working at the Mount Wilson Observatory. Artist and activist Gordon Wagner made his home in the community. Musicians like bassist Charlie Haden and guitarist Larry Carlton have lived in Altadena. It was also the home of baseball legend Jackie Robinson following his historic career with the Brooklyn Dodgers. Other notable residents have included actor John Lithgow, journalist Michele Norris, and chef and author Jonathan Gold.

Points of interest

The community is renowned for several historic and natural attractions. Christmas Tree Lane, a stretch of Santa Rosa Avenue lined with deodar cedars decorated each December, is a designated California Historical Landmark. The Altadena Crest Trail offers hiking access into the San Gabriel Mountains. The Zane Grey Estate, home of the famed Western author, is a notable historic property. The Mount Lowe Railway remains a popular hiking destination with ruins of the historic incline railway. The Jet Propulsion Laboratory, though headquartered in Pasadena, has deep historical roots in the area. Other sites include the Scripps Hall mansion, the Pasadena Playhouse-associated theatre at the former Altadena Country Club, and the weekly Altadena Farmers Market.

Category:Unincorporated communities in Los Angeles County, California Category:Census-designated places in California Category:Populated places in the San Gabriel Valley