Lemont, IL Crime Rate & Safety
Lower crime than 97% of major U.S. cities
Based on FBI UCR & local law enforcement data · Updated April 2026
Is Lemont Safe?
Yes — Lemont is very safe
A very safe city with well below-average crime rates overall.
Lemont has a crime rate that is 52% below the national average. Your chance of becoming a victim of violent crime is 1 in 250.
However, safety varies dramatically by neighborhood. Areas like Argonne National Laboratory earn an A- safety grade, while Argonne National Laboratory rates A-. Understanding which neighborhoods are safe is critical for anyone living in, moving to, or visiting Lemont.
Crime Index Comparison
100 = national average. Calibrated to reflect actual crime severity.
Your Chance of Being a Victim
Violent Crime
1 in 250
chance per year
National average: 1 in 263
5% higher than national average
Property Crime
1 in 96
chance per year
National average: 1 in 55
43% lower than national average
Want to know the crime risk at your exact address?
Lemont 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
|
50 | -50% | Low | |
|
Assault
|
75 | -25% | Low | |
|
Robbery
|
181 | +81% | Moderate | |
|
Rape
|
180 | +80% | Moderate | |
| Property Crime | ||||
|
Burglary
|
36 | -64% | Low | |
|
Larceny / Theft
|
54 | -46% | Low | |
|
Vehicle Theft
|
62 | -38% | Low | |
Violent vs Property Crime
Crime Index by Category
Lemont Crime Map
Neighborhood-level crime heatmap. Click any area for details.
See the crime score for a specific address
Where Is It Safe in Lemont?
Safety varies dramatically across Lemont's 1+ neighborhoods.
Safest Neighborhoods
Top 1Areas with Higher Crime
Bottom 1Neighborhood Safety Distribution
Out of 1 neighborhoods in Lemont
All Lemont Neighborhoods
| # | Neighborhood | Grade | Crime Index |
|---|---|---|---|
| 1 | Argonne National Laboratory | A- | 117 |
Lemont Crime by Zip Code
Explore crime data for specific Lemont zip codes.
Lemont Demographics & Context
Racial Demographics
Frequently Asked Questions
What is the crime rate in Lemont, IL?
Lemont, IL has a crime safety grade of A as of 2026. The overall crime rate is estimated to be 52% below the national average. Residents face approximately a 1 in 250 chance of being a victim of violent crime per year and a 1 in 96 chance for property crime. Lemont has lower crime than 97% of major U.S. cities (population 50,000+).
Is Lemont, IL safe to live in?
Lemont is generally considered a safe place to live, earning a crime grade of A. Approximately 100% of the city's 1 neighborhoods are rated A or B for safety. However, safety varies significantly by neighborhood. For example, Argonne National Laboratory is one of the safest areas, while Argonne National Laboratory has higher crime rates. Researching specific neighborhoods before moving to or visiting Lemont is strongly recommended.
What are the safest neighborhoods in Lemont?
Based on 2026 crime data, the safest neighborhoods in Lemont are Argonne National Laboratory. These areas have significantly lower crime rates than the city average and are popular choices for families, professionals, and anyone prioritizing safety.
What are the most dangerous areas in Lemont?
The neighborhoods with the highest crime rates in Lemont include Argonne National Laboratory. These areas experience significantly more crime than the city average. Visitors and prospective residents should exercise extra caution in these neighborhoods, particularly at night.
What is the violent crime rate in Lemont?
The estimated violent crime rate in Lemont is 399.5 per 100,000 residents, which is 5% higher than the national average. This means residents have roughly a 1 in 250 chance of becoming a violent crime victim each year. Key violent crime rates include: murder at 2.5 per 100K (50% below average); aggravated assault at 202.3 per 100K (25% below average); robbery at 134.1 per 100K (81% above average).
What is the property crime rate in Lemont?
The estimated property crime rate in Lemont is 1,047.0 per 100,000 residents, which is 43% lower than the national average. Residents have roughly a 1 in 96 chance of being a property crime victim per year. Key property crime rates include: burglary at 97.3 per 100K (64% below average); larceny/theft at 751.0 per 100K (46% below average); vehicle theft at 198.7 per 100K (38% below average).
How does Lemont crime compare to the national average?
Lemont's overall crime rate is 52% below the national average as of 2026. The biggest concern is robbery (81% above average), while burglary is 64% below average. Compared to other major U.S. cities, Lemont has lower crime than 97% of them.
Is Lemont safe to visit?
Lemont is generally safe for visitors and tourists. Property crime (theft, vehicle break-ins) is 43% 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. Popular, safer areas for visitors include Argonne National Laboratory.
How does Lemont crime compare to the rest of Illinois?
Illinois as a whole has crime that is 3% above the national average. Lemont's crime rate is 52% below the national average, making it safer the typical Illinois city.
What type of crime is most common in Lemont?
Larceny/theft is the most common crime in Lemont, with an estimated rate of 751.0 incidents per 100,000 residents. This is 46% below the national average for this crime type. Overall, property crime (1,047 per 100K) is more prevalent than violent crime (400 per 100K) in Lemont, which is consistent with national trends.