Based on the Census 2000 figures, Arcadia is now included in the San Gabriel Valley's 28th Congressional District. Incumbent Republican Rep. David Dreier will be challenged by Democrat Marjorie Musser Mikels of Upland and Libertarian Dr. Randall Weissbuch, an Arcadia physician.
A groundbreaking ceremony was held at Arcadia's new 911 Center on a 3.5 acre parcel where the National Guard Armory once stood adjacent to the Arcadia Police Department.