Simi Valley, CA vs Upper Darby Township, PA

Simi Valley is safer with a higher safety score by 11 points. Simi Valley, CA has a safety score of 81/100 while Upper Darby Township, PA has 70/100, based on FBI Uniform Crime Report data.

Simi Valley, CA has a violent crime rate of 129.1 per 100,000 residents, while Upper Darby Township, PA has 213.8 per 100,000. Lower rates indicate safer communities. The national average is approximately 380 per 100,000.

Simi Valley, CA has a property crime rate of 923.8 per 100,000, compared to 2832.2 per 100,000 in Upper Darby Township, PA. 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.