The City of Signal Hill's area is 2.2 square miles. It is located:
The population in Signal Hill is 11,016.
Land use in Signal Hill is broken down into the following categories:
- Commercial - 21%
- Industrial - 39%
- Open space - 2%
- Public / institutional - 3%
- Residential - 35%
Signal Hill has no utility tax and also boasts one of the lowest business taxes in Los Angeles County
. It also has no Mello-Roos Assessment Districts. Total county property taxes are 1% of purchase price.