Costa Mesa, CA vs Simi Valley, CA

Simi Valley is safer with a higher safety score by 23 points. Costa Mesa, CA has a safety score of 58/100 while Simi Valley, CA has 81/100, based on FBI Uniform Crime Report data.

Costa Mesa, CA has a violent crime rate of 737.6 per 100,000 residents, while Simi Valley, CA has 129.1 per 100,000. Lower rates indicate safer communities. The national average is approximately 380 per 100,000.

Costa Mesa, CA has a property crime rate of 2836.8 per 100,000, compared to 923.8 per 100,000 in Simi Valley, CA. Property crimes include burglary, theft, and motor vehicle theft.

Safety scores range from 0-100, combining violent crime rates, property crime rates, and population data from the FBI UCR. Higher scores mean safer cities. Grades: A (80+), B (65-79), C (50-64), D (40-49), F (below 40).

Based on crime data alone, Simi Valley is safer. However, safety is just one factor — also consider cost of living, job market, schools, and quality of life. Visit our city pages for more details on each.