Los Angeles County is one of the original counties of California, created at the time of statehood in 1850. The county originally included parts of what are now Kern, San Bernardino, Riverside and Orange counties. As the population increased, sections were split off to organize San Bernardino County in 1853, Kern County in 1866, and Orange County in 1889.
According to the U.S. Census Bureau, the county has an area of 4,751 square miles (12,310 km2), of which 4,058 square miles (10,510 km2) is land and 693 square miles (1,790 km2) (15%) is water. Los Angeles County borders 70 miles (110 km) of coast on the Pacific Ocean and encompasses mountain ranges, valleys, forests, islands, lakes, rivers, and desert.
Los Angeles County had a population of 9,818,605 in the 2010 United States Census. The racial makeup of Los Angeles County was 4,936,599 (50%) White, 1,346,865 (13.7%) Asian, 856,874 (9%) African American, 72,828 (0.7%) Native American, 26,094 (0.3%) Pacific Islander, 2,140,632 (21.8%) from other races, and 438,713 (4.5%) from two or more races.
Non-Hispanic whites numbered 2,728,321, or 28% of the population. Hispanic or Latino residents of any race numbered 4,687,889 (48%); 36% of Los Angeles County’s population was of Mexican ancestry; 3.7% Salvadoran, and 2.2% Guatemalan heritage.
Non-Hispanic whites numbered 2,728,321, or 28% of the population. Hispanic or Latino residents of any race numbered 4,687,889 (48%); 36% of Los Angeles County’s population was of Mexican ancestry; 3.7% Salvadoran, and 2.2% Guatemalan heritage.
The median income for a household in the county was $42,189, and the median income for a family was $46,452. Males had a median income of $36,299 versus $30,981 for females. The per capita income for the county was $20,683. There are 14.4% of families living below the poverty line and 17.9% of the population, including 24.2% of under 18 and 10.5% of those over 64. Los Angeles County has the highest number of millionaires of any county in the nation, totaling 261,081 households as of 2007.
In 2000, there were hundreds of Christian churches, 202 Jewish synagogues, 145 Buddhist temples, 48 Muslim mosques, 44 Bahai worship centers, 37 Hindu temples, 28 Tenrikyo churches and fellowships, 16 Shinto worship centers, and 14 Sikh gurdwaras in the county. The Los Angeles Archdiocese has approximately 5 million members and is the largest in the United States.