The police recorded 35.4 crimes per 1,000 people a year in Denny from January 2023 to December 2025, 35% lower than the typical Scottish town's 54.4. The most common was violence and sexual offences, at 11.8. In the 12 months to December 2025 it was 36.8, up from 36.4 in the 12 months to December 2023.