The 51st District encompasses the southern half of the City of San
Diego, the South Bay cities of Chula Vista and
National City, the southern border of San Diego
County, and all of Imperial County--and contains the entire
California/Mexico border. One of the most ethnically diverse in the
nation, the 51st District's population is 53 percent Latino,
21 percent Anglo, 15 percent Asian and 11 percent
African-American.