The police recorded 17.9 crimes per 1,000 people a year in Erskine from January 2023 to December 2025, 67% lower than the typical Scottish town's 54.4. The most common was violence and sexual offences, at 6.7. In the 12 months to December 2025 it was 19.0, down from 19.8 in the 12 months to December 2023.