 Mexico (41.5%) and El Salvador (17.3%) were the most common places of birth for the 49.8% of the residents who were born abroad—a high percentage for Los Angeles.There were 4,917 families headed by single parents or 21.3%, considered high for both the city and the county.The median yearly household income in 2008 dollars was $41,134, considered average for the city, but low for the county.