The demographics of Los Angeles are determined by population surveys such as the American Community Survey and the United States Census. According to the 2005-2009 American Community Survey, Los Angeles' population was 3,796,840.

The 1990 United States Census and 2000 United States Census found that non-Hispanic whites were becoming a minority in Los Angeles. Estimates for the 2010 United States Census results find Latinos to be approximately half (47-49%) of the city's population, growing from 40% in 2000 and 30-35% in 1990 census.

The racial/ethnic/cultural composition of Los Angeles as of the 2005-2009 American Community Survey was as follows:

Approximately 59.4% of Los Angeles' residents were born in the United States, and 0.9% were born in Puerto Rico, US territories, or abroad to American parents. 39.7% of the population were foreign-born. Most foreigners (64.5%) were born in Latin America. A large minority (26.3%) were born in Asia. Smaller numbers were born in Europe (6.5%), Africa (1.5%), Northern America (0.9%), and Oceania (0.3%).

William Martin "Billy" Joel (born May 9, 1949) is an American pianist, singer-songwriter, and composer. Since releasing his first hit song, "Piano Man," in 1973, Joel has become the sixth best-selling recording artist and the third best-selling solo artist in the United States, according to the RIAA.

Joel had Top 40 hits in the 1970s, 1980s, and 1990s, achieving 33 Top 40 hits in the United States, all of which he wrote himself. He is also a six-time Grammy Award winner, a 23-time Grammy nominee and has sold over 150 million records worldwide. He was inducted into the Songwriter's Hall of Fame (1992), the Rock and Roll Hall of Fame (1999), the Long Island Music Hall of Fame (2006), and the Hit Parade Hall of Fame (2009). In 2008, Billboard magazine released a list of the Hot 100 All-Time Top Artists to celebrate the US singles chart's 50th anniversary, with Billy Joel positioned at No. 23. With the exception of the 2007 songs "All My Life" and "Christmas in Fallujah," Joel stopped recording pop/rock material after 1993's River of Dreams, but he continued to tour extensively until 2010.

Afdhere Jama (born 1980) is an American writer and filmmaker of Somali origin.

Jama was born and raised in Somalia. He moved to America when he was a teenager. Between the years 2000 and 2010, he was the editor of Huriyah, a magazine by and for LGBT Muslims.

Kelly Thomas (born January 9, 1981) is a British bobsledder who has competed since 2007. She finished 11th in the two-woman event at the 2010 Winter Olympics in Vancouver.

Thomas also competed in the two-woman event at the FIBT World Championships, but did not place either in 2008 or 2009. Her best World Cup finish was 11th in the two-woman event at Altenberg, Germany in December 2009.

Conan Christopher O'Brien (born April 18, 1963) is an American television host, comedian, writer, producer and performer. Since November 2010 he has hosted Conan, a late-night talk show that airs on the American cable television station TBS.

O'Brien was born in Brookline, Massachusetts, and raised in an Irish Catholic family. He served as president of the Harvard Lampoon while attending Harvard University, and was a writer for the sketch comedy series Not Necessarily the News. After writing for several comedy shows in Los Angeles, he joined the writing staff of Saturday Night Live, and later of The Simpsons. He hosted Late Night with Conan O'Brien from 1993 to 2009, followed by seven months hosting The Tonight Show with Conan O'Brien, the only person to serve as the permanent host for both NBC programs.

O'Brien was born in Brookline, Massachusetts (a suburb of Boston) to Thomas O'Brien, a physician, epidemiologist, and professor of medicine at Harvard, and Ruth O'Brien (née Reardon), an attorney and partner at the Boston firm Ropes & Gray. He is the third of six children. O'Brien's family is Irish Catholic and descends from pre-Civil War era immigrants. In a Late Night episode, O'Brien paid a visit to County Kerry, Ireland, where his ancestors originated.