Arnold, MO
Crime Rates


Safest Arnold neighborhoods

Arnold, MO crime analytics

The crime rate in Arnold is considerably higher than the national average across all communities in America from the largest to the smallest, although at 39 crimes per one thousand residents, it is not among the communities with the very highest crime rate. The chance of becoming a victim of either violent or property crime in Arnold is 1 in 26. Based on FBI crime data, Arnold is not one of the safest communities in America. Relative to Missouri, Arnold has a crime rate that is higher than 83% of the state's cities and towns of all sizes.

Importantly, when you compare Arnold to other communities of similar population, then Arnold crime rate (violent and property crimes combined) is quite a bit higher than average. Regardless of how Arnold does relative to all communities in America of all sizes, when NeighborhoodScout compared it to communities of similar population size, its crime rate per thousand residents stands out as higher than most.

Now let us turn to take a look at how Arnold does for violent crimes specifically, and then how it does for property crimes. This is important because the overall crime rate can be further illuminated by understanding if violent crime or property crimes (or both) are the major contributors to the general rate of crime in Arnold.

NeighborhoodScout's research shows that Arnold's violent crime rate is 1 per one thousand inhabitants, which is about average for all communities in America, across all population sizes. Violent crimes that are tracked and included in this rate are armed robbery, aggravated assault, rape (not statutory), and murder and non-negligent manslaughter. Roughly similar to the national average, our analysis shows that your chance of becoming a victim of violent crime in Arnold is one in 736.

In addition, NeighborhoodScout found that a lot of the crime that takes place in Arnold is property crime. Property crimes that are tracked for this analysis are burglary, larceny over fifty dollars, motor vehicle theft, and arson. In Arnold, your chance of becoming a victim of a property crime is one in 27, which is a rate of 37 per one thousand population.

Arnold Crime Data

Crime Index


(100 is safest)

Safer than 12% of U.S. Cities

Arnold Annual Crimes
  Violent Property Total

Number of Crimes




Crime Rate
(per 1,000 residents)




Violent Crime

violent Crime Comparison (per 1,000 residents)

Arnold 1.36
Missouri 4.97
My Chances of Becoming a Victim of a Violent Crime

1 in 736

in Arnold

1 in 201

in Missouri
Population: 21,357
Murder Rape Robbery Assault
Report Total 0 1 10 18
Rate per 1,000 0.00 0.05 0.47 0.84
Population: 321,418,820
Murder Rape Robbery Assault
Report Total 15,696 124,047 327,374 764,449
Rate per 1,000 0.05 0.39 1.02 2.38

Property Crime

property Crime Comparison (per 1,000 residents)

Arnold 37.36
Missouri 28.54
My Chances of Becoming a Victim of a Property Crime

1 in 27

in Arnold

1 in 35

in Missouri
Arnold Property CRIMES
Population: 21,357
burglary theft motor vehicle theft
Report Total 32 733 33
Rate per 1,000 1.50 34.32 1.55
United States Property CRIMES
Population: 321,418,820
burglary theft motor vehicle theft
Report Total 1,579,527 5,706,346 707,758
Rate per 1,000 4.91 17.75 2.20

Arnold Crimes Per Square Mile

Arnold 69
Missouri 35