Crime Safety Grade

A+

Arnold, MO Crime Rate

Lower crime than 78% of U.S. cities

Based on FBI UCR & local law enforcement data · Updated March 2026

View Crime Map Registered Offenders

Is Arnold Safe?

With an overall crime index of 81, Arnold has a 19% lower crime rate than the national average. Your chance of becoming a victim of violent crime is 1 in 294. However, safety varies dramatically by neighborhood, with areas like Arnold earning an A+ grade while Arnold rates A+.

Crime Index Comparison

Arnold
81
Missouri Avg
116
National Avg
100

100 = national average. Higher values indicate more crime.

Crime Index
81
19% below average
Violent Crime
85
15% below average
Property Crime
104
4% above average
Safe Areas
100%
Neighborhoods rated A or B

Your chance of violent crime in Arnold

1 in 294

Property crime: 1 in 240

Where Is It Safe in Arnold?

Areas with Higher Crime

1
Arnold
A+
Explore the Interactive Crime Map
See neighborhood-level heatmap
Check Registered Offenders
Search offenders near any address

Arnold Crime Breakdown

Highest Risk
Larceny / Theft · 21% above avg
Lowest Risk
Robbery · 24% below avg
Crime Type Index vs National
Murder Violent 83 ▼ 17%
Assault Violent 97 ▼ 3%
Robbery Violent 76 ▼ 24%
Burglary Property 88 ▼ 12%
Larceny / Theft Property 121 ▲ 21%
Vehicle Theft Property 104 ▲ 4%

Violent vs Property Crime

Neighborhood Safety Distribution

All Arnold Neighborhoods

# Neighborhood Grade Crime Index
1 Arnold A+ 81

Arnold Crime by Zip Code

63010
A+ Index: 74

Arnold Demographics & Cost of Living

Population
21,144
Median Income
$64,678
Home Value
$166,001
Median Rent
$958
Home Ownership
74%

Racial Demographics

White
94.4%
Black
0.8%
Hispanic
2.5%
Asian
1.3%

Frequently Asked Questions

What is the crime rate in Arnold?
Arnold has an overall crime index of 81, which is below the national average of 100. Approximately 100% of neighborhoods in Arnold are rated A or B for safety.
Is Arnold safe to live in?
Arnold has a crime safety grade of A+. Very low or no crime. Safety varies significantly by neighborhood, so it is important to research specific areas before moving.
What are the safest neighborhoods in Arnold?
The safest neighborhoods in Arnold based on crime data include Arnold. These areas have the lowest crime indices in the city.
How does Arnold crime compare to the national average?
Arnold's overall crime index is 81 compared to the national average of 100, meaning crime is 19% lower than the typical US city.

Crime Statistics for Nearby Cities

St. Louis, MO O'Fallon, MO St. Charles, MO St. Peters, MO Florissant, MO Chesterfield, MO Belleville, IL Oakville, MO Wildwood, MO University City, MO Ballwin, MO O'Fallon, IL Mehlville, MO Granite City, IL Kirkwood, MO Maryland Heights, MO East St. Louis, IL Hazelwood, MO Collinsville, IL Webster Groves, MO Arnold, MO Ferguson, MO Old Jamestown, MO Affton, MO

Crime Statistics by State

Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming