The Doheny Mansion, once home to one of Los Angeles' wealthiest families. Now part of the campus of Mount St. Mary's University.
According to Forbes Magazine, California is home to 92 people who each, in 2018, had a personal net worth of $2.1 billion or more. Of these, 27 resided in Los Angeles County, the highest concentration among any of the state's counties. The combined 2018 wealth of Los Angeles County billionaires was $123 billion, about 19 percent of the wealth of all California billionaires in Forbes' list.
| Name | Net Worth ($ Billion) (1) | Age | Residence | Source of Wealth | National Rank 2 | California Rank 2 |
|---|---|---|---|---|---|---|
| Elon Musk | $19.6 | 47 | Los Angeles | Tesla Motors | 24 | 6 |
| David Geffen | $8.7 | 76 | Malibu | Entertainment | 56 | 13 |
| Patrick Soon-Shiong | $7.3 | 66 | Los Angeles | Pharmaceuticals | 68 | 15 |
| Eli Broad | $6.7 | 85 | Los Angeles | Investments | 78 | 16 |
| Stewart & Lynda Resnick | $5.6 | - | Beverly Hills | Agriculture, Water | 114 | 24 |
| Edward Roski, Jr. | $5.6 | 80 | Los Angeles | Real Estate | 114 | 25 |
| John Tu | $5.4 | 77 | Rolling Hills | Computer Hardware | 123 | 28 |
| Sumner Redstone | $4.8 | 95 | Beverly Hills | Media | 143 | 31 |
| Tamara Gustavson & Family | $4.6 | 57 | Malibu | Self Storage | 150 | 33 |
| Rick Caruso | $4.0 | 60 | Brentwood (Los Angeles) | Real Estate | 179 | 38 |
| Name | Net Worth ($ Billion) (1) | Age | Residence | Source of Wealth | National Rank 2 | California Rank 2 |
| Steven Udvar-Hazy | $4.0 | 73 | Beverly Hills | Aircraft Leasing | 179 | 40 |
| Tom Gores | $3.9 | 54 | Beverly Hills | Private Equity | 190 | 41 |
| Michael Milken | $3.7 | 72 | Los Angeles | Investments | 207 | 47 |
| Steven Spielberg | $3.7 | 72 | Pacific Palisades (Los Angeles) | Motion Picures | 207 | 48 |
| Donald Sterling | $3.6 | 84 | Beverly Hills | Real Estate | 215 | 51 |
| Anthony Pritzker | $3.3 | 58 | Los Angeles | Hotels, Investments | 239 | 56 |
| Don Hankey | $3.1 | 75 | Malibu | Auto Loans | 259 | 60 |
| Eric Smidt | $3.0 | 59 | Beverly Hills | Harbor Freight Tools | 271 | 61 |
| Lynsi Snyder | $3.0 | 36 | Bradbury | In-N-Out Burger | 271 | 62 |
| Haim Saban | $2.9 | 74 | Beverly Hills | TV Network, Investments | 280 | 65 |
| Name | Net Worth ($ Billion) (1) | Age | Residence | Source of Wealth | National Rank 2 | California Rank 2 |
| Sean Parker | $2.7 | 39 | Los Angeles | 302 | 72 | |
| Peter Thiel | $2.5 | 51 | Los Angeles | Facebook, Palantir | 328 | 78 |
| Bobby Murphy | $2.3 | 30 | Venice (Los Angeles) | Snapchat | 354 | 84 |
| Evan Spiegel | $2.3 | 28 | Los Angeles | Snapchat | 354 | 84 |
| Alec Gores | $2.2 | 65 | Beverly Hills | Private Equity | 368 | 86 |
| Sarah MacMillan | $2.1 | 65 | Los Angeles | Cargill | 383 | 91 |
| Anthony Ressler | $2.1 | 57 | Los Angeles | Cargill | 383 | 92 |
1) These wealth figures are for September 2018.
2) Ranking according to Forbes 400 Richest Americans List, 2018.
Source: Forbes Magazine
