Mountainside, NJ Crime Rate & Safety
Lower crime than 95% of major U.S. cities
Based on FBI UCR & local law enforcement data · Updated April 2026
Is Mountainside Safe?
Yes — Mountainside is very safe
A very safe city with well below-average crime rates overall.
Mountainside has a crime rate that is 51% below the national average. Your chance of becoming a victim of violent crime is 1 in 161.
Crime Index Comparison
100 = national average. Calibrated to reflect actual crime severity.
Your Chance of Being a Victim
Violent Crime
1 in 161
chance per year
National average: 1 in 263
64% higher than national average
Property Crime
1 in 84
chance per year
National average: 1 in 55
35% lower than national average
Want to know the crime risk at your exact address?
Mountainside Crime Breakdown
Estimated crime rates based on FBI UCR data, calibrated to city-level crime score.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
35 | -65% | Low | |
|
Assault
|
155 | +55% | Moderate | |
|
Robbery
|
209 | +109% | High | |
|
Rape
|
150 | +50% | Moderate | |
| Property Crime | ||||
|
Burglary
|
35 | -65% | Low | |
|
Larceny / Theft
|
58 | -42% | Low | |
|
Vehicle Theft
|
89 | -11% | Average | |
Violent vs Property Crime
Crime Index by Category
Mountainside Crime Map
Neighborhood-level crime heatmap. Click any area for details.
See the crime score for a specific address
Mountainside Crime by Zip Code
Explore crime data for specific Mountainside zip codes.
Mountainside Demographics & Context
Racial Demographics
Frequently Asked Questions
What is the crime rate in Mountainside, NJ?
Mountainside, NJ has a crime safety grade of A as of 2026. The overall crime rate is estimated to be 51% below the national average. Residents face approximately a 1 in 161 chance of being a victim of violent crime per year and a 1 in 84 chance for property crime. Mountainside has lower crime than 95% of major U.S. cities (population 50,000+).
Is Mountainside, NJ safe to live in?
Mountainside is generally considered a safe place to live, earning a crime grade of A. However, safety varies significantly by neighborhood. Researching specific neighborhoods before moving to or visiting Mountainside is strongly recommended.
What is the violent crime rate in Mountainside?
The estimated violent crime rate in Mountainside is 622.7 per 100,000 residents, which is 64% higher than the national average. This means residents have roughly a 1 in 161 chance of becoming a violent crime victim each year. Key violent crime rates include: murder at 1.8 per 100K (65% below average); aggravated assault at 416.3 per 100K (55% above average); robbery at 154.3 per 100K (109% above average).
What is the property crime rate in Mountainside?
The estimated property crime rate in Mountainside is 1,189.7 per 100,000 residents, which is 35% lower than the national average. Residents have roughly a 1 in 84 chance of being a property crime victim per year. Key property crime rates include: burglary at 95.2 per 100K (65% below average); larceny/theft at 811.1 per 100K (42% below average); vehicle theft at 283.4 per 100K (11% below average).
How does Mountainside crime compare to the national average?
Mountainside's overall crime rate is 51% below the national average as of 2026. The biggest concern is robbery (109% above average), while murder is 65% below average. Compared to other major U.S. cities, Mountainside has lower crime than 95% of them.
Is Mountainside safe to visit?
Mountainside is generally safe for visitors and tourists. Property crime (theft, vehicle break-ins) is 35% below average, which is typically the main concern for tourists. Avoid leaving valuables in vehicles, stay aware of your surroundings in unfamiliar areas, and stick to well-traveled neighborhoods.
How does Mountainside crime compare to the rest of New Jersey?
New Jersey as a whole has crime that is 25% below the national average. Mountainside's crime rate is 51% below the national average, making it safer the typical New Jersey city.
What type of crime is most common in Mountainside?
Larceny/theft is the most common crime in Mountainside, with an estimated rate of 811.1 incidents per 100,000 residents. This is 42% below the national average for this crime type. Overall, property crime (1,190 per 100K) is more prevalent than violent crime (623 per 100K) in Mountainside, which is consistent with national trends.