Merrimac is generally considered an average suburb compared to other suburbs in Gold Coast-Tweed Heads. Crime rates are below the Greater Gold Coast-Tweed Heads average, with Assault being the most commonly reported violent crime, and Theft the most commonly reported property crime. From 2023 to 2024, Violent crime rates have increased by 42.88%, and Property crime rates have increased by 31.89%.

As with any area, it is recommended to stay aware of your surroundings and take the usual safety precautions.