Moraga (incorprating the former communities of Moraga Town,
Rheem, and Rheem Valley) is an affluent suburban
incorporated town located in Contra Costa County,
California, United States, in the San Francisco Bay Area. It
is named in honor of Joaquin Moraga, whose grandfather was
José Joaquin Moraga, second in command to Juan Bautista de
Anza. As of the 2000 census, Moraga was the 79th wealthiest
place in the US with a population above 10,000. It is also
the home of Saint Mary's College of California, a Catholic
university with 3,962 undergraduate and postgraduate
students in the 2007-2008 schoolyear. The college was
originally located in San Francisco and then Oakland, but
moved to Moraga in 1928. As of 2007, Moraga had a total
population of 17,421, not including the college.