Altadena

Altadena first appeared as an unincorporated community in the 1960 U.S. census; and as a census-designated place in the 1980 United States census. Altadena has a town council that acts as an ombudsman for the Altadena neighborhoods, and provides a forum for town meetings. Altadena is formally managed by the Los Angeles County Supervisors, and is located in LA County Supervisorial District 5.

The Los Angeles County Sheriff's Department (LASD) operates the Altadena Station in Altadena. The California Highway Patrol operates the Altadena Area Office on Windsor Dr. in Altadena. Altadena is a shared jurisdiction where L.A. County Sheriff's Dept. handles crime-related calls and CHP handles traffic-related calls. The Los Angeles County Department of Health Services operates the Monrovia Health Center in Monrovia, serving Altadena.