| Index | South Monrovia Island | California | National |
| Median home price | $360,700 | $409,300 | $184,700 |
| Median rent asked | $1,250 | $1,297 | $949 |
| Avg. people per household | 4.3 | 3.0 | 2.6 |
| Owner occupied households | 65.5% | 54.1% | 63.6% |
| Renter occupied households | 34.5% | 45.9% | 36.4% |