The police recorded 84.3 crimes per 1,000 people a year in Kempston from September 2023 to August 2026, 11% higher than the typical town's 76.2. The most common was violence and sexual offences, at 34.2. In the 12 months to August 2026 it was 83.9, up from 78.6 in the 12 months to August 2024.